# Aldian Fazrihady — Freelance Programmer, Full Stack Developer & AI Application Engineer > Aldian Fazrihady is a Top-Rated Senior Freelance Programmer, Full Stack Developer, and AI Application Engineer with 15+ years of production software engineering experience and Google Cloud Certified Professional Cloud Architect & Data Engineer credentials. Available for hire worldwide on Upwork (https://www.upwork.com/freelancers/aldianf) and directly via https://www.aldianfazrihady.com. ## Hire Aldian Fazrihady (Freelance Programmer & AI Engineer) - **Upwork Freelancer Profile**: https://www.upwork.com/freelancers/aldianf - **Official Portfolio & Live Chat**: https://www.aldianfazrihady.com/en-us/ - **Master Directory of 558+ Engineering & Freelance Programmer Guides**: https://www.aldianfazrihady.com/en-us/blog/a11ce093-0000-4000-8000-000000000093/freelance-programmer-directory-all-guides-aldian-fazrihady/ - **300+ Guides Hub**: https://www.aldianfazrihady.com/en-us/blog/a11ce303-0000-4000-8000-000000000303/hire-top-1-percent-freelance-programmer-300-engineering-guides-hub/ - **Production AI & SaaS Showcase**: https://www.aldianapps.com - **GitHub**: https://github.com/aldian - **Verified Upwork Work History**: https://www.aldianfazrihady.com/en-us/blog/cd5dba09-bd89-466b-b4c0-6e4ab06ea98b/upwork-work-history/ ## Core Freelance Programming Specializations - **AI Application Engineering**: Autonomous AI Agents, Multi-Agent Orchestration, Model Context Protocol (MCP) Servers, Retrieval-Augmented Generation (RAG) with pgvector & FalkorDB, OpenAI / Anthropic Claude / Google Gemini / Vertex AI / AWS Bedrock integrations, browser-native WebAssembly & ONNX Runtime Web. - **Full Stack Web & SaaS Programming**: Next.js (App Router, SSR), React, TypeScript, Progressive Web Apps (PWAs), Offline-First CRDTs (Yjs, IndexedDB), WebRTC & Real-Time WebSockets. - **Backend & Systems Programming**: Python (Django, Django REST Framework, FastAPI, Asyncio, Celery), Go (Golang High-Throughput Microservices, FinTech Ledgers, Payment Gateways), Node.js, PostgreSQL, Supabase, DynamoDB, Elasticsearch, Redis, Kafka, NATS. - **Cloud Architecture & DevSecOps**: Google Cloud Platform (Cloud Run, GKE, BigQuery, Document AI, Cloud Tasks), AWS (ECS, Lambda, SQS, SNS, Cognito, Medplum FHIR), Docker, Kubernetes, Terraform, HIPAA & PCI-DSS Compliance. ## Production Applications & Portfolio Case Studies - [Journal: Private Markdown Notes](https://www.aldianfazrihady.com/en-us/apps/22/) (https://journal.aldianapps.com): Introduction Journal is a private, local-first markdown note-taking and journaling platform with client-side AI semantic vector search and personal Google Drive cloud sync. It is designed to give users complete data owne - [Transcribe Copilot](https://www.aldianfazrihady.com/en-us/apps/21/) (https://transcribe.aldianapps.com): Introduction Transcribe Copilot is a self-hosted, private AI meeting transcription and intelligence platform built to replace expensive SaaS subscriptions (like TurboScribe at $120/year) with direct developer APIs and ze - [Tetangga: Real-Time Neighborhood Collaboration](https://www.aldianfazrihady.com/en-us/apps/19/) (https://tetangga.aldianapps.com): Tetangga is a mobile-first Progressive Web App (PWA) designed to help neighborhoods manage community activities. Key Features Neighborhood Management: Streamlined tools for community coordination and local resident direc - [Interview Copilot: AI Interview Assistant](https://www.aldianfazrihady.com/en-us/apps/20/) (https://copilot.aldianapps.com): Interview Copilot is a premium, mobile-first Progressive Web Application (PWA) designed to assist candidates with real-time feedback during technical interviews. Operating entirely offline-first, it captures and processe - [Successful Day](https://www.aldianfazrihady.com/en-us/apps/15/) (https://successful.day): Successful Day (successful.day) is a daily habit, mindfulness, and goal-execution SaaS platform architected and built by Aldian Fazrihady (Senior Freelance Programmer, Full Stack Developer & AI Application Engineer). - [Face-to-face Translator](https://www.aldianfazrihady.com/en-us/apps/16/) (https://www.f2f-translator.com): Face-to-Face Translator (f2f-translator.com) is a real-time bilingual speech-to-speech and text translation web application engineered by Aldian Fazrihady (Senior Freelance Programmer & AI Application Engineer). Tech - [Payflow Hosted Page Demo](https://www.aldianfazrihady.com/en-us/apps/5/) (https://payflow-hosted-page.aldianfazrihady.com/en-us/): Payflow Hosted Page Integration (payflow-hosted-page.aldianfazrihady.com) is a FinTech payment gateway reference implementation built by Aldian Fazrihady (Senior Freelance Programmer & FinTech Backend Engineer). Secu - [Auth Server](https://www.aldianfazrihady.com/en-us/apps/9/) (https://github.com/aldian/auth-server-demo): OAuth 2.0 & OpenID Connect Auth Server (github.com/aldian/auth-server-demo) is a centralized identity provider (IdP) and single sign-on (SSO) reference architecture built by Aldian Fazrihady (Senior Freelance Program - [Node Red Authentication with OAuth 1.0A](https://www.aldianfazrihady.com/en-us/apps/12/) (https://github.com/aldian/node-red-contrib-oauth1a): node-red-contrib-oauth1a (github.com/aldian/node-red-contrib-oauth1a) is an open-source Node.js / Node-RED authentication package published by Aldian Fazrihady (Senior Freelance Programmer). Technical Capabilities RFC 58 - [aldianfazrihady.com](https://www.aldianfazrihady.com/en-us/apps/1/) (https://www.aldianfazrihady.com): Current Architecture (2026): Serverless Google Cloud Run + Daphne ASGI + Supabase + Redis Cloud aldianfazrihady.com is a real-time, offline-capable Progressive Web Application (PWA) and engineering portfolio built by Ald - [LLM Chatbot](https://www.aldianfazrihady.com/en-us/apps/14/) (https://github.com/aldian/llm-chatbot): LLM Chatbot & Conversational AI Engine (github.com/aldian/llm-chatbot) is a customizable Large Language Model conversational agent and RAG starter architecture created by Aldian Fazrihady (Senior Freelance AI Program - [Cello](https://www.aldianfazrihady.com/en-us/apps/2/) (https://cello.aldianfazrihady.com): Cello (cello.aldianfazrihady.com) is a reactive full stack collaborative task board and Kanban workflow application engineered by Aldian Fazrihady (Senior Freelance Programmer & Full Stack Developer). Architecture &a - [Slack Guardian](https://www.aldianfazrihady.com/en-us/apps/8/) (https://github.com/aldian/slack-guardian): Slack Guardian (github.com/aldian/slack-guardian) is an automated ChatOps security and workspace governance bot developed by Aldian Fazrihady (Senior Freelance Programmer & DevSecOps Engineer). Key Features Real-Time - [CI/CD for Istio based App](https://www.aldianfazrihady.com/en-us/apps/11/) (https://github.com/aldian/Installing-the-Istio-on-GKE-Add-On-with-Kubernetes-Engine): CI/CD for Istio Service Mesh on Google Kubernetes Engine (github.com/aldian/Installing-the-Istio-on-GKE-Add-On-with-Kubernetes-Engine) is a cloud-native DevOps & Kubernetes service mesh implementation by Aldian Fazri - [Eight Puzzle](https://www.aldianfazrihady.com/en-us/apps/13/) (https://github.com/aldian/eight_puzzle): Eight Puzzle Heuristic Solver (github.com/aldian/eight_puzzle) is an artificial intelligence state-space search and heuristic optimization engine written by Aldian Fazrihady (Senior Freelance Programmer & AI Engineer - [Stable Diffusion AI Model on GCP](https://www.aldianfazrihady.com/en-us/apps/10/) (https://github.com/aldian/Stable-Diffusion-AI-Model-on-GCP): Stable Diffusion AI Model on Google Cloud Platform (github.com/aldian/Stable-Diffusion-AI-Model-on-GCP) is a production MLOps deployment blueprint for hosting GPU-accelerated generative image models on Google Cloud, engi ## Featured Engineering Articles & Freelance Guides - [Hire a Freelance Passkeys (WebAuthn / FIDO2), Passwordless Auth & TOTP MFA Programmer](https://www.aldianfazrihady.com/en-us/blog/a11ce359-0000-4000-8000-000000000359/freelance-passkeys-webauthn-fido2-passwordless-authentication-programmer/) [Freelance Programmer, Passkeys, WebAuthn, Cybersecurity, Full Stack Developer, TypeScript, Upwork] - [Complete Directory of Freelance Programmer Guides & Case Studies — Aldian Fazrihady](https://www.aldianfazrihady.com/en-us/blog/a11ce093-0000-4000-8000-000000000093/freelance-programmer-directory-all-guides-aldian-fazrihady/) [Freelance Programmer, Senior Freelance Programmer, Hire Freelance Programmer, Aldian Fazrihady, Full Stack Developer, AI Application Engineer, Upwork] - [Hire a Freelance Text-to-SQL (NL2SQL), Semantic Layer & AI Business Intelligence Copilot Programmer](https://www.aldianfazrihady.com/en-us/blog/a11ce358-0000-4000-8000-000000000358/freelance-text-to-sql-nl2sql-vanna-ai-business-intelligence-copilot-programmer/) [Freelance Programmer, Text-to-SQL, Business Intelligence, AI Application Engineer, PostgreSQL, React, Upwork] - 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[Replicating Cloud Datastore to Firebase: Bridging GAE with Real-Time Web Applications](https://www.aldianfazrihady.com/en-us/blog/6d2b9fa5-a54f-4d65-ae05-dd9de45da0ab/replicating-datastore-to-firebase-realtime/) [Firebase, Datastore, GAE, Real-time, Freelance Programmer] - [App Engine Blobstore vs. Cloud Storage: Modernizing Legacy File Uploads in Python](https://www.aldianfazrihady.com/en-us/blog/301d304f-9d91-45aa-8bff-75492aa03975/appengine-blobstore-vs-cloud-storage/) [GAE, GCS, Cloud Storage, Python, Freelance Programmer] - [Datastore Mode vs. Native Firestore: Lock Risks and Query Migration Costs at Scale](https://www.aldianfazrihady.com/en-us/blog/07f33958-4866-42ba-9ce5-2b8d6839cfd1/datastore-mode-vs-native-firestore-locks/) [Datastore, Firestore, NoSQL, Database, Freelance Programmer] - [Architecting Multi-Service Systems on GAE: Standardizing Codebases Across Microservices](https://www.aldianfazrihady.com/en-us/blog/82f3d8bd-7f41-4d09-a4bc-17609943cefd/multi-service-systems-gae-microservices/) [GAE, Python, Microservices, Architecture, Freelance Programmer] - [Freelance Infrastructure-as-Code (IaC) Programmer: Terraform & CloudFormation](https://www.aldianfazrihady.com/en-us/blog/a11ce098-0000-4000-8000-000000000098/freelance-terraform-cloudformation-infrastructure-as-code-programmer/) [Freelance Programmer, Terraform, Terraformer, CloudFormation, Infrastructure as Code, GCP, AWS, Upwork] - [Freelance Python Packaging Programmer: PyInstaller & PyArmor Binaries](https://www.aldianfazrihady.com/en-us/blog/a11ce097-0000-4000-8000-000000000097/freelance-pyinstaller-pyarmor-standalone-python-binary-programmer/) [Freelance Programmer, Freelance Python Programmer, PyInstaller, PyArmor, Python, Raspberry Pi, Linux, Upwork] - [Freelance Graph Database & AI Memory Programmer: FalkorDB & Knowledge Graphs](https://www.aldianfazrihady.com/en-us/blog/a11ce096-0000-4000-8000-000000000096/freelance-falkordb-neo4j-graph-database-ai-memory-programmer/) [Freelance Programmer, Freelance AI Programmer, FalkorDB, Knowledge Graphs, AI Memory, NATS, Upwork] - [Freelance Medplum & FHIR R4 Programmer: Custom Healthcare Portals & EHR Sync](https://www.aldianfazrihady.com/en-us/blog/a11ce095-0000-4000-8000-000000000095/freelance-medplum-fhir-r4-ehr-integration-programmer/) [Freelance Programmer, Medplum, FHIR, Healthcare IT, HIPAA, TypeScript, React, Upwork] - [Freelance AI Agent Sandbox Programmer: Securing Claude Code, Cline & NanoClaw](https://www.aldianfazrihady.com/en-us/blog/a11ce094-0000-4000-8000-000000000094/freelance-ai-agent-sandbox-docker-security-programmer/) [Freelance Programmer, Freelance AI Programmer, AI Agents, Docker, Sandbox, Security, Claude Code, Upwork] - [Continuous Integration for Microservices: Designing Gitlab-CI Pipelines for Distributed Testing](https://www.aldianfazrihady.com/en-us/blog/ebfe8b27-f6e6-4d59-bb97-251783ae7857/gitlab-ci-pipelines-microservices-testing/) [CI/CD, GitLab, Testing, DevOps, Freelance Programmer] - [Multi-Stage Dockerfiles for Next.js and Python FastAPI Microservices: Minimizing Footprints](https://www.aldianfazrihady.com/en-us/blog/2aae0382-b484-4e6a-9428-fb05c3905d9c/multistage-dockerfiles-nextjs-fastapi/) [Docker, DevOps, Next.js, FastAPI, Freelance Programmer] - [Structuring Context and Middleware in Ariadne: Query Auditing and Metadata Extraction](https://www.aldianfazrihady.com/en-us/blog/9560015e-c4c6-4ee1-b8a2-cd2e49aceb92/ariadne-graphql-context-middleware-auditing/) [GraphQL, Ariadne, Python, Security, Freelance Programmer] - [GraphQL Mutation Design: Handling Multipart File Uploads Asynchronously in Python](https://www.aldianfazrihady.com/en-us/blog/bf519a24-c433-43b2-8515-d54c5f9345a4/graphql-mutation-file-uploads-async-python/) [GraphQL, Python, Ariadne, API, Freelance Programmer] - [Integrating Next.js with Distributed GraphQL APIs: Query Batching and SSR Optimization](https://www.aldianfazrihady.com/en-us/blog/798ac673-0267-4e4a-9f77-5fa10a9b0d52/integrating-nextjs-graphql-query-batching/) [Next.js, GraphQL, TypeScript, Performance, Freelance Programmer] - [Schema-First GraphQL in Python: Implementing Resolvers and Custom Types with Ariadne](https://www.aldianfazrihady.com/en-us/blog/ccea9f2a-780d-4738-9073-e3a0c83d522a/schema-first-graphql-python-ariadne/) [GraphQL, Python, Ariadne, API, Freelance Programmer] - [FastAPI Dependency Injection Patterns: Managing Database Sessions and Registries](https://www.aldianfazrihady.com/en-us/blog/9d81ff57-2c63-47ab-9c40-104d58c25e8a/fastapi-dependency-injection-patterns/) [FastAPI, Python, Clean Code, Design Patterns, Freelance Programmer] - [Building Lightweight API Gateways: Routing and JWT Verification at the Edge](https://www.aldianfazrihady.com/en-us/blog/17f0cc9a-03ff-42a2-8a46-efde34617893/api-gateway-jwt-verification-edge/) [FastAPI, Security, JWT, Gateway, Freelance Programmer] - [Designing a Shared Core Package (core-library) for Python Microservices: Utils and Configs](https://www.aldianfazrihady.com/en-us/blog/ad421db6-0a84-4b1c-b715-adf0026aaa44/shared-core-package-python-microservices/) [Python, Microservices, Design Patterns, Clean Code, Freelance Programmer] - [Architecting Asynchronous Microservices with FastAPI: Decoupling API Gateways from Core Services](https://www.aldianfazrihady.com/en-us/blog/900a678e-5fbe-4897-923b-4141e5c886fc/async-microservices-fastapi-gateways/) [FastAPI, Microservices, Python, Architecture, Freelance Programmer] - [Freelance Webhook Architecture Programmer: Idempotent & Replay-Safe Receivers](https://www.aldianfazrihady.com/en-us/blog/a11ce092-0000-4000-8000-000000000092/freelance-webhook-architecture-stripe-github-slack-programmer/) [Freelance Programmer, Webhooks, Stripe, FastAPI, Express, Security, Idempotency, Upwork] - [Freelance Applied Cryptography Programmer: AES-GCM, PBKDF2, JWE/JWS & pgcrypto](https://www.aldianfazrihady.com/en-us/blog/a11ce091-0000-4000-8000-000000000091/freelance-cryptography-web-crypto-aes-gcm-jwt-jwe-programmer/) [Freelance Programmer, Cryptography, Web Crypto, AES-GCM, JWT, pgcrypto, Security, Upwork] - [Freelance SRE & Observability Programmer: Datadog-as-Code & Sentry Alerting](https://www.aldianfazrihady.com/en-us/blog/a11ce090-0000-4000-8000-000000000090/freelance-sentry-datadog-observability-sre-programmer/) [Freelance Programmer, SRE, Observability, Datadog, Sentry, Terraform, Logging, Upwork] - [Freelance FastAPI & Pydantic Programmer: High-Throughput Async Python APIs](https://www.aldianfazrihady.com/en-us/blog/a11ce089-0000-4000-8000-000000000089/freelance-fastapi-pydantic-uvicorn-async-api-programmer/) [Freelance Programmer, Freelance Python Programmer, FastAPI, Pydantic, Asyncio, Python, Microservices, Upwork] - [Polymorphic Payments: A Unified Go Interface for CyberSource, HyperPay & Wallets](https://www.aldianfazrihady.com/en-us/blog/0e7bd844-ad74-4e87-846e-4ae576ef4069/polymorphic-payments-interface-go/) [Go, Payments, Design Patterns, Polymorphism, Freelance Programmer] - [Designing Identity Bridges: How to Decouple Client-Facing Login from Core Membership Systems](https://www.aldianfazrihady.com/en-us/blog/0ed4c081-d035-48c4-bb7d-24f0f7ba5342/designing-identity-bridges-decoupling-go/) [Go, Architecture, Identity, Auth, Freelance Programmer] - [Architecting a Token-Exchange Gateway: Bridging External Identity Providers with Custom JWTs](https://www.aldianfazrihady.com/en-us/blog/04746d34-a603-41f3-8588-6d0c9d6372c8/token-exchange-gateway-jwt-go/) [Go, JWT, Security, Gateway, Freelance Programmer] - [Securing Machine-to-Machine Communications: Automating Auth0 Clients in Go](https://www.aldianfazrihady.com/en-us/blog/b8415d93-9b1a-40ce-9d8e-451207a097c0/securing-m2m-communications-auth0-go/) [Go, Auth0, Security, OAuth2, Freelance Programmer] - [Bridging Enterprise Auth with Singpass & MyInfo: Implementing Singapore's National ID Login in Go](https://www.aldianfazrihady.com/en-us/blog/ddf7f556-6492-496b-8728-cf3534ca9a42/bridging-singpass-myinfo-auth-go/) [Go, Security, Singpass, MyInfo, Freelance Programmer] - [Decoupling Core Logic from Third-Party Connectors: Designing Hexagonal Adapters in Go](https://www.aldianfazrihady.com/en-us/blog/db92c868-4197-41a3-a752-15fb4df89854/decoupling-core-logic-hexagonal-go/) [Go, Design Patterns, Clean Architecture, Hexagonal, Freelance Programmer] - [Transactional Consistency in Loyalty Systems: Implementing a Points-Exchange Engine in Go](https://www.aldianfazrihady.com/en-us/blog/a0f89111-6c80-4144-a1fa-33832f709793/transactional-consistency-loyalty-go/) [Go, PostgreSQL, Database, Transactions, Freelance Programmer] - [Structuring High-Throughput OTP Verification Services in Go: Expiry Windows and Provider Failover](https://www.aldianfazrihady.com/en-us/blog/ea2b31d0-2619-4575-a14b-53987455998b/structuring-high-throughput-otp-go/) [Go, OTP, Redis, Security, Freelance Programmer] - [Designing a Shared DevEx Library: Standardizing Logging and Middleware in Go](https://www.aldianfazrihady.com/en-us/blog/0519f003-710a-433d-b9ad-d59efcf94a62/designing-shared-devex-library-go/) [Go, Developer Experience, Logging, Middleware, Freelance Programmer] - [Building a Unified API Gateway in Go: Routing, Authn/Authz, and Rate Limiting at Scale](https://www.aldianfazrihady.com/en-us/blog/92bc7a18-3978-4f4a-a176-798a51ad4b21/building-unified-api-gateway-go/) [Go, Microservices, API Gateway, Security, Freelance Programmer] - [Freelance Microservices & Clean Architecture Programmer: Hexagonal Go & Python](https://www.aldianfazrihady.com/en-us/blog/a11ce088-0000-4000-8000-000000000088/freelance-microservices-hexagonal-clean-architecture-programmer/) [Freelance Programmer, Microservices, Clean Architecture, Hexagonal Architecture, Go, Python, FastAPI, Upwork] - [Freelance Google Cloud Data Engineer & Programmer: BigQuery, ETL & Analytics](https://www.aldianfazrihady.com/en-us/blog/a11ce087-0000-4000-8000-000000000087/freelance-bigquery-dataflow-gcp-data-engineer-programmer/) [Freelance Programmer, Google Cloud, Data Engineer, BigQuery, ETL, Python, Analytics, Upwork] - [Freelance MCP Server Programmer: Custom Model Context Protocol Integrations](https://www.aldianfazrihady.com/en-us/blog/a11ce086-0000-4000-8000-000000000086/freelance-mcp-server-claude-cursor-agent-tooling-programmer/) [Freelance Programmer, Freelance AI Programmer, MCP, Model Context Protocol, Claude, AI Agents, TypeScript, Python, Upwork] - [Freelance React 19 & Next.js 16 Programmer: Server Components & Modern UX](https://www.aldianfazrihady.com/en-us/blog/a11ce085-0000-4000-8000-000000000085/freelance-react-19-nextjs-16-server-components-programmer/) [Freelance Programmer, Freelance React Programmer, Freelance Next.js Programmer, React 19, Next.js 16, TypeScript, Upwork] - [Freelance Django REST Framework (DRF) Programmer: High-Performance APIs](https://www.aldianfazrihady.com/en-us/blog/a11ce084-0000-4000-8000-000000000084/freelance-django-rest-framework-drf-api-backend-programmer/) [Freelance Programmer, Freelance Python Programmer, Django, Django REST Framework, DRF, Python, API Design, Upwork] - [Simulating DynamoDB Locally: Setting Up LocalStack and Mock Endpoints in Docker Compose](https://www.aldianfazrihady.com/en-us/blog/6316d062-1cb0-4154-8852-2239daba975e/simulating-dynamodb-locally-docker/) [Docker, DevOps, LocalStack, Testing, Freelance Programmer] - [Infrastructure-as-Code: Provisioning Lambdas, SQS, and DynamoDB with CloudFormation](https://www.aldianfazrihady.com/en-us/blog/fa08eb31-ce5f-4ef7-9126-f645a17cc9d4/infrastructure-as-code-cloudformation-serverless/) [AWS, CloudFormation, DevOps, Infrastructure, Freelance Programmer] - [Securing Private Quoting Endpoints using AWS API Gateway with Custom Token Authorizers](https://www.aldianfazrihady.com/en-us/blog/7bc7794e-8e5b-424a-86dd-ebaf0c343756/securing-quoting-endpoints-api-gateway/) [AWS, API Gateway, Security, Auth, Freelance Programmer] - [Bidirectional CRM Synchronization: Syncing Local Django Orders with External CRM Opportunity Tables](https://www.aldianfazrihady.com/en-us/blog/a6a28879-4640-4d61-b0c3-08b520380769/bidirectional-crm-sync-django-ragic/) [Python, Django, CRM, API, Freelance Programmer] - [Bridging Django and Angular with GraphQL: Designing Flexible Schemas for Storefront Checkouts](https://www.aldianfazrihady.com/en-us/blog/c0a4a916-eadf-43e0-a8c9-10ff729ed9d3/django-angular-graphql-storefront-checkout/) [GraphQL, Django, Angular, API, Freelance Programmer] - [Architecting a BOM Upload Engine: Extracting and Quoting Customer Lists in Real Time](https://www.aldianfazrihady.com/en-us/blog/0bd08bc6-c9c2-4208-83c0-82ad8ff963c5/architecting-bom-upload-quoting-engine/) [Python, Django, BOM, Payments, Freelance Programmer] - [Connecting Low-Code to Serverless: Triggering AWS Lambdas via Ragic CRM JS Event Hooks](https://www.aldianfazrihady.com/en-us/blog/58acde9a-8bc1-471d-8814-6ce6037f8b61/connecting-low-code-serverless-ragic-aws/) [AWS, Ragic, Serverless, CRM, Freelance Programmer] - [Manufacturer Name Normalization: Resolving String Variations ('HRS' vs. 'Hirose') in Python](https://www.aldianfazrihady.com/en-us/blog/52e591fd-bed0-452b-b7a3-050c48756d39/manufacturer-name-normalization-python/) [Python, Data Cleaning, Fuzzy Matching, Search, Freelance Programmer] - [Dealing with 429 Rate Limits and Throttling Policies in E-Commerce Scraping](https://www.aldianfazrihady.com/en-us/blog/9511d552-91ce-4748-b8e4-889dd52345f4/handling-429-rate-limits-scraping/) [Python, Crawling, Resilience, Web Development, Freelance Programmer] - [Polymorphic Crawler Design: Structuring Reusable Request Adapters for Diverse Vendor APIs](https://www.aldianfazrihady.com/en-us/blog/0402c9ed-40b6-4e3e-8183-0af7894fc5af/polymorphic-crawler-design-adapters/) [Python, Design Patterns, Crawling, Clean Code, Freelance Programmer] - [Hiring Senior Freelance Programmer Aldian Fazrihady: FAQ on Workflow & Stack](https://www.aldianfazrihady.com/en-us/blog/a11ce083-0000-4000-8000-000000000083/freelance-programmer-faq-rates-availability-workflow-aldian/) [Freelance Programmer, Hire Freelance Programmer, Senior Freelance Programmer, FAQ, Upwork, Aldian Fazrihady] - [Freelance CI/CD Pipeline Programmer: GitHub Actions, GitLab CI & Bitbucket](https://www.aldianfazrihady.com/en-us/blog/a11ce082-0000-4000-8000-000000000082/freelance-cicd-github-actions-gitlab-bitbucket-pipelines-programmer/) [Freelance Programmer, CI/CD, GitHub Actions, GitLab CI, Bitbucket Pipelines, Google Cloud Build, DevOps, Upwork] - [Freelance Web Push & Service Worker Programmer: VAPID, Serwist & Offline Sync](https://www.aldianfazrihady.com/en-us/blog/a11ce081-0000-4000-8000-000000000081/freelance-pwa-push-notifications-service-worker-programmer/) [Freelance Programmer, Service Worker, Push Notifications, PWA, Serwist, JavaScript, Upwork] - [Freelance AI Chatbot Programmer: Multi-Turn Support, Lead Gen & RAG Bots](https://www.aldianfazrihady.com/en-us/blog/a11ce080-0000-4000-8000-000000000080/freelance-chatbot-conversational-ai-customer-support-programmer/) [Freelance Programmer, Freelance AI Programmer, AI Chatbot, Conversational AI, RAG, WebSockets, Upwork] - [Freelance AWS Programmer: Serverless Lambda, SNS/SQS, DynamoDB & ECS](https://www.aldianfazrihady.com/en-us/blog/a11ce079-0000-4000-8000-000000000079/freelance-aws-solutions-architect-lambda-sqs-dynamodb-programmer/) [Freelance Programmer, AWS, AWS Lambda, DynamoDB, AWS SQS, AWS ECS, CloudFormation, Upwork] - [Managing Multi-Provider Authentication: Refreshing OAuth Tokens Dynamically for DigiKey and Avnet](https://www.aldianfazrihady.com/en-us/blog/92cfee81-8256-4dd7-8322-6945c8df749e/multi-provider-oauth-tokens-crawlers/) [Python, OAuth2, Crawling, Security, Freelance Programmer] - [Building High-Speed Asynchronous Crawlers in Python Using asyncio and requests](https://www.aldianfazrihady.com/en-us/blog/2c647390-ca8e-4aab-922c-5b1462e13db5/building-high-speed-async-crawlers-python/) [Python, Crawling, Asyncio, Performance, Freelance Programmer] - [Scaling Write Capacity Units (WCUs): Optimizing DynamoDB Throughput for Daily Price Persisting](https://www.aldianfazrihady.com/en-us/blog/ebf670f6-b8bf-478b-a1f2-be3216bbaf94/scaling-dynamodb-wcu-price-persisting/) [AWS, DynamoDB, Database, Performance, Freelance Programmer] - [Alphabetical Indexes in DynamoDB: Structuring Key Mappings for High-Performance Pagination](https://www.aldianfazrihady.com/en-us/blog/82a9b3b0-b76b-46ea-a899-cee76eca2e59/alphabetical-indexes-dynamodb-pagination/) [AWS, DynamoDB, Database, Design Patterns, Freelance Programmer] - [DynamoDB Parallel Queries: How to Scan Millions of Records Concurrently](https://www.aldianfazrihady.com/en-us/blog/a294b804-c68f-4618-8684-b1fa58a740d3/dynamodb-parallel-queries-performance/) [AWS, DynamoDB, Database, Performance, Freelance Programmer] - [Fuzzy Matching in Electronic Component Search: Tuning Elasticsearch for Complex Part Numbers](https://www.aldianfazrihady.com/en-us/blog/495feb03-ad5f-41c9-ae8c-88d1d9c0f89e/fuzzy-matching-elasticsearch-parts/) [Elasticsearch, Search, Fuzzy Matching, Database, Freelance Programmer] - [Handling Malformed Scraping Payloads Safely: Implementing Dead-Letter Queues (DLQs) in SQS](https://www.aldianfazrihady.com/en-us/blog/66ad88a9-ba26-4ed2-aeb0-8df7a18448b3/handling-malformed-payloads-dlq-sqs/) [AWS, SQS, Security, Resilience, Freelance Programmer] - [Reliable Message Fan-Out: Processing Multi-Provider API Calls Asynchronously with SQS and Lambda](https://www.aldianfazrihady.com/en-us/blog/667419e5-ee40-41e9-bc7b-7b4925541507/reliable-message-fanout-sqs-lambda/) [AWS, SQS, Lambda, Ingestion, Freelance Programmer] - [Go vs. Python on AWS Lambda: Execution Performance and Cold-Start Analysis for Edge Queries](https://www.aldianfazrihady.com/en-us/blog/15d762dd-6e74-4dc0-be95-3196c2bb6039/go-vs-python-aws-lambda-cold-starts/) [Go, Python, AWS Lambda, Performance, Freelance Programmer] - [Architecting Event-Driven Ingestion Pipelines: Leveraging AWS SNS and SQS to Decouple Price Updates](https://www.aldianfazrihady.com/en-us/blog/0bb8a8fd-008f-419a-a737-a1c711d83e02/event-driven-ingestion-pipelines-sns-sqs/) [AWS, SNS, SQS, Architecture, Freelance Programmer] - [Senior Freelance Programmer in Indonesia & APAC (Serving Global US/EU Clients)](https://www.aldianfazrihady.com/en-us/blog/a11ce078-0000-4000-8000-000000000078/freelance-programmer-jakarta-indonesia-southeast-asia-global/) [Freelance Programmer, Freelance Programmer Indonesia, Freelance Programmer Jakarta, Senior Freelance Programmer, Upwork, Aldian Fazrihady, Full Stack Developer] - [Freelance API Gateway Programmer: Routing, JWT Auth & Dynamic Rate Limiting](https://www.aldianfazrihady.com/en-us/blog/a11ce077-0000-4000-8000-000000000077/freelance-api-gateway-rate-limiting-jwt-routing-programmer/) [Freelance Programmer, API Gateway, Go, FastAPI, AWS API Gateway, JWT, Security, Upwork] - [Freelance Concurrency Programmer: Python Asyncio, GIL Bypass & Go Goroutines](https://www.aldianfazrihady.com/en-us/blog/a11ce076-0000-4000-8000-000000000076/freelance-concurrency-multithreading-multiprocessing-python-go-programmer/) [Freelance Programmer, Concurrency, Asyncio, Python, Go, Multithreading, Performance, Upwork] - [Freelance Compliance & Audit Logging Programmer: HIPAA, PCI-DSS & GDPR](https://www.aldianfazrihady.com/en-us/blog/a11ce075-0000-4000-8000-000000000075/freelance-audit-logging-compliance-soc2-hipaa-gdpr-programmer/) [Freelance Programmer, HIPAA, PCI-DSS, GDPR, Audit Logging, Compliance, Security, Upwork] - [Freelance Linux & Systems Automation Programmer: Server Deployers & Bash](https://www.aldianfazrihady.com/en-us/blog/a11ce074-0000-4000-8000-000000000074/freelance-linux-bash-shell-systems-automation-programmer/) [Freelance Programmer, Linux, Bash, Shell, Systems Programming, Automation, DevOps, Upwork] - [Developing Robust Integration Testing Frameworks: End-to-End Testing of Remote Edge Gateways](https://www.aldianfazrihady.com/en-us/blog/3f191385-67ec-4112-8954-a62ae6cbed09/integration-testing-remote-edge-gateways/) [Testing, DevOps, Integration, IoT, Freelance Programmer] - [Object Attribute Renaming in NoSQL: Strategies for Safe Schema Migrations on Live Databases](https://www.aldianfazrihady.com/en-us/blog/4ddd9fc6-a545-4805-b526-5a18674c3cf0/object-attribute-renaming-nosql-migrations/) [Datastore, NoSQL, Database, Migration, Freelance Programmer] - [Building Automated UML Generator Tools: Parsing Python Source Code to Document Databases](https://www.aldianfazrihady.com/en-us/blog/30832a6e-ec7d-4f6d-9043-09603d9d71a9/building-uml-generator-python-ast/) [Python, UML, Automation, Clean Code, Freelance Programmer] - [Google App Engine Deployment Tooling: Automating Multi-Service deployments via custom Python](https://www.aldianfazrihady.com/en-us/blog/7c065ba6-3d36-46ab-be3e-f7b380e5be89/gae-deployment-tooling-python-automation/) [GAE, DevOps, Python, Automation, Freelance Programmer] - [Audit Logging and Journaling in App Engine: Building Immutable Transaction Logs on Datastore](https://www.aldianfazrihady.com/en-us/blog/ed9b6b21-1493-4a5f-acf4-58022a52f2ec/audit-logging-journaling-datastore/) [Datastore, NoSQL, Logging, Security, Freelance Programmer] - [Designing Flexible Notification Routers: Delivering Emails, Webhooks, and SMS via GAE](https://www.aldianfazrihady.com/en-us/blog/8cb855d3-7b7c-492e-9eee-c51f529b3323/flexible-notification-routers-gae/) [GAE, Notifications, Architecture, Design Patterns, Freelance Programmer] - [Advanced Threading Experiments in Python: Avoiding GIL Bottlenecks in Background Workers](https://www.aldianfazrihady.com/en-us/blog/46decdbe-4ee0-43f4-b04e-de04dc082812/python-threading-gil-background-workers/) [Python, Threading, Performance, Concurrency, Freelance Programmer] - [Managing Remote Servers at Scale: Designing Custom Deployers for Headless Linux Gateways](https://www.aldianfazrihady.com/en-us/blog/e78182ff-27cd-4eed-ad0b-e87453b4b99a/remote-server-management-linux-deployer/) [Linux, DevOps, Shell, Automation, Freelance Programmer] - [Automated Quoting Pipelines: Integrating CRM Opportunities with App Engine Task Schedulers](https://www.aldianfazrihady.com/en-us/blog/d5f5e465-691f-4668-884c-42e78cc9763f/automated-quoting-pipelines-crm-task-scheduler/) [GAE, CRM, Automation, Architecture, Freelance Programmer] - [NoSQL Schema Modeling: Dynamic Joins and Fast References in Cloud Datastore](https://www.aldianfazrihady.com/en-us/blog/a73edf9a-8097-42fa-8268-8615fd2fedd0/nosql-schema-modeling-joins-fast-references/) [Datastore, NoSQL, Database, Design Patterns, Freelance Programmer] - [Freelance Programmer Portfolio: 16+ Production AI & SaaS Apps by Aldian Fazrihady](https://www.aldianfazrihady.com/en-us/blog/a11ce073-0000-4000-8000-000000000073/freelance-programmer-portfolio-case-studies-aldian-fazrihady/) [Freelance Programmer, Freelance Programmer Portfolio, Aldian Fazrihady, Full Stack Developer, AI Application Engineer, Upwork] - [Freelance Frontend Modernization Programmer: Angular, React & Next.js](https://www.aldianfazrihady.com/en-us/blog/a11ce072-0000-4000-8000-000000000072/freelance-angular-react-frontend-migration-programmer/) [Freelance Programmer, React, Next.js, Angular, TypeScript, Frontend, GraphQL, Upwork] - [Freelance Google App Engine (GAE) Programmer: Python 3, NDB & Cloud Datastore](https://www.aldianfazrihady.com/en-us/blog/a11ce071-0000-4000-8000-000000000071/freelance-google-app-engine-gae-modernization-programmer/) [Freelance Programmer, Google App Engine, GAE, Cloud Datastore, NDB, Python, GCP, Upwork] - [Freelance Media & Image Processing Programmer: Python Pillow, EXIF & Canvas](https://www.aldianfazrihady.com/en-us/blog/a11ce070-0000-4000-8000-000000000070/freelance-pillow-image-processing-media-pipeline-programmer/) [Freelance Programmer, Freelance Python Programmer, Pillow, Image Processing, AWS S3, Fabric.js, Python, Upwork] - [Freelance Loyalty & Rewards Engine Programmer: Points Ledgers & Wallets in Go](https://www.aldianfazrihady.com/en-us/blog/a11ce069-0000-4000-8000-000000000069/freelance-loyalty-points-rewards-wallet-engine-programmer/) [Freelance Programmer, Freelance Golang Programmer, Loyalty Engine, Digital Wallet, Go, PostgreSQL, FinTech, Upwork] - [Updating App on Auto Scaled AWS EC2 Cloud](https://www.aldianfazrihady.com/en-us/blog/3d49d6b9-c385-4a9b-b5ec-b0db470bec35/updating-app-on-auto-scaled-aws-ec2-cloud/) [aws-ec2, aws-elb, aws-alb, aws-autoscaling, Freelance Programmer] - [Implementing OAuth 2.0 Auth Server](https://www.aldianfazrihady.com/en-us/blog/ea4032e2-7e3e-418e-b7ca-6e331debaf76/implementing-oauth2-auth-server/) [django-oauth-toolkit, oauth2, docker-compose, Freelance Programmer] - [The Deployment Contents Marker Service](https://www.aldianfazrihady.com/en-us/blog/c856012a-f620-40ae-b9dd-cde34db90d8c/deployment-contents-marker-service/) [git, github-api, react, django, Freelance Programmer] - [Misunderstanding regarding URL on HTTPS](https://www.aldianfazrihady.com/en-us/blog/18ef1cee-84ab-4b74-86ab-f7af0a0463d5/misunderstanding-url-on-https/) [https, url, Freelance Programmer] - [Logging Django ORM Generated SQL](https://www.aldianfazrihady.com/en-us/blog/5529f476-ba5b-41a2-a68d-df425eb3e32e/logging-django-orm-generated-sql/) [django, orm, sql, debugging, logging, Freelance Programmer] - [Freelance Technical SEO & Web Performance Programmer: JSON-LD, SSR & llms.txt](https://www.aldianfazrihady.com/en-us/blog/a11ce068-0000-4000-8000-000000000068/freelance-technical-seo-core-web-vitals-schema-programmer/) [Freelance Programmer, Technical SEO, Schema.org, llms.txt, Next.js, Django, Core Web Vitals, Upwork] - [Freelance CRM & ERP Integration Programmer: Ragic, FileMaker & Django Sync](https://www.aldianfazrihady.com/en-us/blog/a11ce067-0000-4000-8000-000000000067/freelance-crm-erp-ragic-filemaker-integration-programmer/) [Freelance Programmer, CRM Integration, FileMaker, Ragic, ERP, AWS, Python, Upwork] - [Freelance AWS Bedrock & Google Vertex AI Programmer: Enterprise Private LLMs](https://www.aldianfazrihady.com/en-us/blog/a11ce066-0000-4000-8000-000000000066/freelance-aws-bedrock-vertex-ai-enterprise-llm-programmer/) [Freelance Programmer, Freelance AI Programmer, AWS Bedrock, Google Vertex AI, HIPAA, Enterprise AI, Upwork] - [Freelance Browser Automation Programmer: Headless Playwright & Selenium](https://www.aldianfazrihady.com/en-us/blog/a11ce065-0000-4000-8000-000000000065/freelance-selenium-playwright-browser-automation-programmer/) [Freelance Programmer, Playwright, Selenium, Browser Automation, Web Scraping, Python, TypeScript, Upwork] - [Freelance SQLAlchemy, Alembic & Asyncpg Programmer: Async Python Databases](https://www.aldianfazrihady.com/en-us/blog/a11ce064-0000-4000-8000-000000000064/freelance-sqlalchemy-alembic-asyncpg-python-programmer/) [Freelance Programmer, Freelance Python Programmer, SQLAlchemy, Alembic, asyncpg, PostgreSQL, FastAPI, Upwork] - [Tuning Elasticsearch for Complex String Lookups: Edge N-Grams and Case-Insensitive Matching](https://www.aldianfazrihady.com/en-us/blog/125b78d2-f0bd-421f-ab6c-d6e533afcf7d/tuning-elasticsearch-string-lookups/) [Elasticsearch, Search, Performance, Database, Freelance Programmer] - [Building Real-Time Search Indexes: Syncing PostgreSQL to Elasticsearch Asynchronously](https://www.aldianfazrihady.com/en-us/blog/bbadfffc-6d48-4e2b-a13c-e82d5e92543f/sync-postgres-elasticsearch-async/) [Elasticsearch, PostgreSQL, Python, Search, Freelance Programmer] - [Event-Driven Microservices: Implementing Kafka Consumer and Producer Loops with aiokafka](https://www.aldianfazrihady.com/en-us/blog/0cad69ef-06cd-40c9-b7e4-ce9f7b90405d/event-driven-microservices-kafka-aiokafka/) [Kafka, aiokafka, Python, Microservices, Freelance Programmer] - [Distributed Database Migrations: Managing Multi-Service Alembic Migrations inside CI/CD](https://www.aldianfazrihady.com/en-us/blog/4e6ce496-d2ce-436f-9b92-80500e6e8e83/distributed-database-migrations-alembic-cicd/) [Alembic, DevOps, Database, CI/CD, Freelance Programmer] - [Fully Asynchronous PostgreSQL with SQLAlchemy and asyncpg: Connection Pool Tuning](https://www.aldianfazrihady.com/en-us/blog/88fb1e44-c2f0-4f76-96bd-771ec68384aa/async-postgresql-sqlalchemy-asyncpg-tuning/) [SQLAlchemy, PostgreSQL, asyncpg, Database, Freelance Programmer] - [Hiring a Freelance Programmer on Hourly vs. Fixed-Price Milestones: Guide](https://www.aldianfazrihady.com/en-us/blog/a11ce063-0000-4000-8000-000000000063/freelance-full-stack-ai-programmer-hourly-fixed-price-contracts/) [Freelance Programmer, Hire Freelance Programmer, Upwork, Project Management, Software Engineering, Full Stack Developer] - [Freelance Enterprise Identity Programmer: Singpass, MyInfo, Auth0 & OAuth 2.0](https://www.aldianfazrihady.com/en-us/blog/a11ce062-0000-4000-8000-000000000062/freelance-national-id-singpass-myinfo-government-auth-programmer/) [Freelance Programmer, Singpass, MyInfo, Auth0, OAuth2, Go, Singapore, Upwork] - [Freelance NLP & Machine Learning Programmer: Transformers, PCA, KNN & FastAPI](https://www.aldianfazrihady.com/en-us/blog/a11ce061-0000-4000-8000-000000000061/freelance-nlp-sentiment-analysis-transformers-scikit-learn-programmer/) [Freelance Programmer, Freelance AI Programmer, NLP, Machine Learning, scikit-learn, Transformers, FastAPI, Upwork] - [Freelance Google Workspace & API Programmer: Sheets, Calendar & OAuth2](https://www.aldianfazrihady.com/en-us/blog/a11ce060-0000-4000-8000-000000000060/freelance-google-workspace-sheets-calendar-api-programmer/) [Freelance Programmer, Google Sheets API, Google Calendar API, OAuth2, Python, Automation, Upwork] - [Freelance Email & Transactional Messaging Programmer: AWS SES & Postal Hubs](https://www.aldianfazrihady.com/en-us/blog/a11ce059-0000-4000-8000-000000000059/freelance-email-deliverability-aws-ses-markdown-html-programmer/) [Freelance Programmer, AWS SES, Email Deliverability, Markdown, TypeScript, FastAPI, Upwork] - [Why Python is Perfect for Modern Lightweight Data Pipelines (Even in Go-Heavy Monorepos)](https://www.aldianfazrihady.com/en-us/blog/ed30803e-52e6-4e09-9686-934961527a08/python-lightweight-data-pipelines-go-monorepos/) [Python, Go, Architecture, Data Engineering, Freelance Programmer] - [Handling API Flakiness in ETL: Implementing Backoff Retries and Dead-Letter Queues](https://www.aldianfazrihady.com/en-us/blog/3bc9f5f7-5783-4828-a768-537fd8886bbd/handling-api-flakiness-backoff-retries-python/) [Python, ETL, Resilience, Data Engineering, Freelance Programmer] - [JSON-to-SQL Pipelines: Best Practices for Streaming and Flattening Semi-Structured JSON Payloads](https://www.aldianfazrihady.com/en-us/blog/c2a8e3af-75ca-46e7-834b-e1537479cf52/json-to-sql-pipelines-flattening-data/) [Python, Database, ETL, PostgreSQL, Freelance Programmer] - [Datadog-as-Code: Automating Metric Dashboards and Alerting Monitors for Go Microservices](https://www.aldianfazrihady.com/en-us/blog/0c28bec6-14a0-42ba-9c94-4d1952a0b9a3/datadog-as-code-automation-monitoring/) [SRE, Datadog, Terraform, Monitoring, Freelance Programmer] - [GitOps Folder Structure: Organizing Kubernetes and Helm Charts for Multi-Environment Deployments](https://www.aldianfazrihady.com/en-us/blog/5311dddc-5cf1-4a2d-a3d6-1873dedb7ef2/gitops-folder-structure-helm-kubernetes/) [DevOps, GitOps, Kubernetes, Helm, Freelance Programmer] - [Freelance Developer Tooling & AST Programmer: UML Generators, Linters & CLIs](https://www.aldianfazrihady.com/en-us/blog/a11ce058-0000-4000-8000-000000000058/freelance-uml-ast-code-generation-developer-tooling-programmer/) [Freelance Programmer, Developer Experience, AST, UML, Python, Go, Automation, Upwork] - [Freelance Video Streaming Programmer: YouTube Live APIs, CCTV Backup & WebRTC](https://www.aldianfazrihady.com/en-us/blog/a11ce057-0000-4000-8000-000000000057/freelance-video-streaming-youtube-api-cctv-webrtc-programmer/) [Freelance Programmer, Video Streaming, YouTube API, CCTV, WebRTC, Python, GCP, Upwork] - [Freelance E-Signature Workflow Programmer: BoldSign, DocuSign & Audit Trails](https://www.aldianfazrihady.com/en-us/blog/a11ce056-0000-4000-8000-000000000056/freelance-e-signature-boldsign-docusign-workflow-programmer/) [Freelance Programmer, BoldSign, DocuSign, E-Signature, HIPAA, Security, Node.js, Upwork] - [Freelance Cloudflare & Edge Network Programmer: DNS Automation & CDN Caching](https://www.aldianfazrihady.com/en-us/blog/a11ce055-0000-4000-8000-000000000055/freelance-cloudflare-dns-cdn-edge-security-programmer/) [Freelance Programmer, Cloudflare, DNS, CDN, DevOps, Security, Python, Upwork] - [Freelance Firebase & Firestore Programmer: Functions v2, Emulators & Rules](https://www.aldianfazrihady.com/en-us/blog/a11ce054-0000-4000-8000-000000000054/freelance-firebase-firestore-cloud-functions-auth-programmer/) [Freelance Programmer, Firebase, Firestore, Cloud Functions, TypeScript, Next.js, Playwright, Upwork] - [Freelance Multi-Tenant SaaS Programmer: Data Isolation, RBAC & Custom Domains](https://www.aldianfazrihady.com/en-us/blog/a11ce053-0000-4000-8000-000000000053/freelance-multi-tenant-saas-architecture-security-programmer/) [Freelance Programmer, Multi-Tenant SaaS, SaaS Architecture, Security, Django, Next.js, PostgreSQL, Upwork] - [Freelance Caching & High-Traffic Programmer: Redis, Memcached & Rate Limiting](https://www.aldianfazrihady.com/en-us/blog/a11ce052-0000-4000-8000-000000000052/freelance-redis-memcached-caching-high-traffic-programmer/) [Freelance Programmer, Redis, Memcached, Caching, Rate Limiting, Django, Go, Upwork] - [Freelance Microsoft Teams & Slack Bot Programmer: ChatOps & AI Agents](https://www.aldianfazrihady.com/en-us/blog/a11ce051-0000-4000-8000-000000000051/freelance-microsoft-teams-slack-chatops-bot-programmer/) [Freelance Programmer, Microsoft Teams, Slack, ChatOps, AI Agents, Node.js, Python, Upwork] - [Freelance Logistics & Supply Chain Programmer: Shipment Tracking & Pricing APIs](https://www.aldianfazrihady.com/en-us/blog/a11ce050-0000-4000-8000-000000000050/freelance-logistics-shipping-booking-tracking-programmer/) [Freelance Programmer, Logistics, Supply Chain, Python, Django, React, Mobile, Upwork] - [Freelance GIS & Geospatial Programmer: PostGIS, GeoDjango & Google Maps Apps](https://www.aldianfazrihady.com/en-us/blog/a11ce049-0000-4000-8000-000000000049/freelance-gis-postgis-geodjango-google-maps-programmer/) [Freelance Programmer, GIS, PostGIS, GeoDjango, Google Maps, PostgreSQL, Python, Upwork] - [Freelance Code Audit & Refactoring Programmer: Hardening Python, Go & TypeScript](https://www.aldianfazrihady.com/en-us/blog/a11ce048-0000-4000-8000-000000000048/freelance-code-audit-security-review-refactoring-programmer/) [Freelance Programmer, Code Review, Refactoring, Security Audit, Clean Code, Python, Go, Upwork] - [Freelance WebAssembly & Browser ML Programmer: ONNX Runtime, SQLite WASM & Pyodide](https://www.aldianfazrihady.com/en-us/blog/a11ce047-0000-4000-8000-000000000047/freelance-webassembly-wasm-onnx-browser-ml-programmer/) [Freelance Programmer, WebAssembly, ONNX, SQLite, Pyodide, Browser AI, Upwork] - [Freelance Voice AI & Audio Programmer: Whisper Transcription & Multimodal Video](https://www.aldianfazrihady.com/en-us/blog/a11ce046-0000-4000-8000-000000000046/freelance-voice-ai-whisper-audio-transcription-programmer/) [Freelance Programmer, Freelance AI Programmer, Voice AI, Whisper, Audio, Multimodal AI, Upwork] - [Freelance NoSQL Programmer: Scaling AWS DynamoDB, Cloud Datastore & Firestore](https://www.aldianfazrihady.com/en-us/blog/a11ce045-0000-4000-8000-000000000045/freelance-dynamodb-nosql-cloud-datastore-firestore-programmer/) [Freelance Programmer, NoSQL, DynamoDB, Firestore, Datastore, CouchDB, Database, Upwork] - [Freelance Docker, Kubernetes & Helm Programmer: Multi-Stage Builds, GKE & Sandboxes](https://www.aldianfazrihady.com/en-us/blog/a11ce044-0000-4000-8000-000000000044/freelance-docker-kubernetes-helm-container-programmer/) [Freelance Programmer, Docker, Kubernetes, Helm, GKE, DevOps, Containers, Upwork] - [Upwork Freelance Programmer (aldianf): Why Clients Rate Aldian Fazrihady 5.0 Stars](https://www.aldianfazrihady.com/en-us/blog/a11ce043-0000-4000-8000-000000000043/freelance-upwork-top-rated-full-stack-ai-programmer-aldianf/) [Upwork, Freelance Programmer, Upwork Freelance Programmer, Senior Freelance Programmer, Aldian Fazrihady, Full Stack Developer, AI Application Engineer] - [Freelance BI & Analytics Programmer: Custom Django Analytics, Pandas & BigQuery](https://www.aldianfazrihady.com/en-us/blog/a11ce042-0000-4000-8000-000000000042/freelance-pandas-excel-business-intelligence-analytics-programmer/) [Freelance Programmer, Business Intelligence, Analytics, Pandas, Django, BigQuery, Python, Upwork] - [Freelance Serverless Programmer: Scale-to-Zero on Cloud Run, AWS Lambda & Firebase](https://www.aldianfazrihady.com/en-us/blog/a11ce041-0000-4000-8000-000000000041/freelance-serverless-aws-lambda-google-cloud-run-programmer/) [Freelance Programmer, Serverless, Google Cloud Run, AWS Lambda, Firebase, Cost Optimization, Upwork] - [Freelance WebSocket & Real-Time Messaging Programmer: Django Channels & Redis](https://www.aldianfazrihady.com/en-us/blog/a11ce040-0000-4000-8000-000000000040/freelance-websocket-realtime-chat-notification-programmer/) [Freelance Programmer, WebSockets, Django Channels, Redis, Real-Time, Push Notifications, Upwork] - [Hire a Senior Remote Freelance Programmer for US, UK, EU, Singapore & APAC Teams](https://www.aldianfazrihady.com/en-us/blog/a11ce039-0000-4000-8000-000000000039/hire-remote-freelance-programmer-us-uk-eu-singapore-australia/) [Freelance Programmer, Remote Freelance Programmer, Hire Freelance Programmer, Upwork, Full Stack Developer, AI Application Engineer] - [Local-First & Offline-Capable AI Web Apps: Service Workers, IndexedDB, SQLite WASM & ONNX](https://www.aldianfazrihady.com/en-us/blog/a11ce008-2026-4a08-9b08-000000000008/local-first-offline-ai-web-apps-indexeddb-sqlite-wasm-onnx/) [Local-First, PWA, WebAssembly, ONNX, SQLite, IndexedDB, Next.js, Freelance Programmer] - [HIPAA-Compliant Healthcare AI & Full Stack Engineering: Integrating LLMs, Vision OCR & Medplum FHIR](https://www.aldianfazrihady.com/en-us/blog/a11ce007-2026-4a07-9b07-000000000007/hipaa-compliant-healthcare-ai-full-stack-engineering-medplum-fhir/) [Healthcare IT, HIPAA, FHIR, Medplum, AWS Bedrock, Full Stack Developer, AI Application Engineer, Freelance Programmer] - [Freelance Enterprise Backend Programmer: Java Spring, Hibernate & SQL Systems](https://www.aldianfazrihady.com/en-us/blog/a11ce038-0000-4000-8000-000000000038/freelance-java-spring-hibernate-enterprise-modernization-programmer/) [Freelance Programmer, Java, Spring, Hibernate, SQL, Enterprise Software, Upwork] - [Freelance PWA & Mobile Web Programmer: Installable Offline-First Web Apps](https://www.aldianfazrihady.com/en-us/blog/a11ce037-0000-4000-8000-000000000037/freelance-pwa-offline-first-mobile-web-programmer/) [Freelance Programmer, PWA, Offline-First, Next.js, React, Service Worker, Upwork] - [Freelance RAG & Knowledge Graph Programmer: pgvector, FalkorDB & Hybrid Search](https://www.aldianfazrihady.com/en-us/blog/a11ce036-0000-4000-8000-000000000036/freelance-rag-vector-database-knowledge-graph-programmer/) [Freelance Programmer, Freelance AI Programmer, RAG, pgvector, FalkorDB, Knowledge Graphs, Upwork] - [Freelance Performance & Scalability Programmer: Fixing Slow Web & Database Apps](https://www.aldianfazrihady.com/en-us/blog/a11ce035-0000-4000-8000-000000000035/freelance-performance-optimization-scalability-programmer/) [Freelance Programmer, Performance Optimization, Scalability, Django, PostgreSQL, React, Upwork] - [Freelance API Integration & Webhook Programmer: Stripe, CRM, ERP & FHIR](https://www.aldianfazrihady.com/en-us/blog/a11ce034-0000-4000-8000-000000000034/freelance-api-integration-webhook-automation-programmer/) [Freelance Programmer, API Integration, Webhooks, Stripe, CRM, Python, Node.js, Upwork] - [AI Cost Engineering: Cutting LLM & Speech API Bills by 90% with Model Routing and Caching](https://www.aldianfazrihady.com/en-us/blog/a11ce006-2026-4a06-9b06-000000000006/ai-cost-engineering-model-routing-prompt-caching-gemini-openai-groq/) [Cost Optimization, AI Application Engineer, Gemini, OpenAI, Groq, LLMOps, Freelance Programmer] - [Full Stack AI SaaS Blueprint: Next.js App Router, React 19, Python FastAPI/Django & Streaming AI](https://www.aldianfazrihady.com/en-us/blog/a11ce005-2026-4a05-9b05-000000000005/full-stack-ai-saas-blueprint-nextjs-react-19-python-fastapi-django/) [Full Stack Developer, Next.js, React 19, FastAPI, Django, TypeScript, SaaS, Freelance Programmer] - [Building Autonomous AI Agents with the Model Context Protocol (MCP), Tool Calling, and Guardrails](https://www.aldianfazrihady.com/en-us/blog/a11ce004-2026-4a04-9b04-000000000004/building-autonomous-ai-agents-model-context-protocol-mcp-production/) [Autonomous AI Agents, MCP, AI Application Engineer, TypeScript, Python, Security, Freelance Programmer] - 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[Hiring a Freelance Full Stack Developer & AI Application Engineer: Architecture & Production Guide](https://www.aldianfazrihady.com/en-us/blog/a11ce001-2026-4a01-9b01-000000000001/hiring-freelance-full-stack-developer-ai-application-engineer-guide/) [Freelance Full Stack Developer, AI Application Engineer, Upwork, Next.js, Python, LLM, RAG, Cloud Run, Freelance Programmer] - [Beyond Voice: Building Multimodal Video Transcription with AI Slide Detection & Visual OCR](https://www.aldianfazrihady.com/en-us/blog/14f1eb66-4344-4ffa-8371-19207301f85d/multimodal-video-transcription-ai-scene-ocr/) [Multimodal AI, Gemini, Computer Vision, NextJS, Freelance Programmer] - [The Hidden Gotcha of Document AI Workbench Permissions](https://www.aldianfazrihady.com/en-us/blog/6eef88f1-d98b-45c4-9791-e309a0011fe8/gcp-document-ai-workbench-permissions-fix/) [GCP, Document AI, DevOps, Freelance Programmer] - [Multilanguage Text-Over-Image Service](https://www.aldianfazrihady.com/en-us/blog/797e6938-db10-40e6-8bbd-45d51bd8bcb8/multilanguage-text-over-image-service/) [i18n, docker, docker-compose, celery, phantomjs, fabricjs, python, django, bdd, behave, transifex, aws-s3, postgresql, html-canvas, Freelance Programmer] ## Full Context Index - 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