Freelance Programmer Portfolio: 16+ Production AI, SaaS, FinTech & Healthcare Systems by Aldian Fazrihady
The strongest proof of a Senior Freelance Programmer's capability is live, production software serving real users. Below is a curated index of production web applications, AI systems, open-source developer tools, and enterprise architectures built by Aldian Fazrihady (Hire on Upwork: aldianf).
1. Production AI & Local-First Web Applications
- Journal: Private Markdown Notes (journal.aldianapps.com) — Zero-knowledge AES-GCM encrypted notes with in-browser ONNX Runtime Web embeddings and SQLite WASM vector RAG.
- Transcribe Copilot (transcribe.aldianapps.com) — Multimodal video & audio transcription powered by Gemini 3.7 Flash, Groq Whisper, and automated slide OCR.
- Interview Copilot: AI Interview Assistant (copilot.aldianapps.com) — Real-time low-latency streaming AI assistant for technical and behavioral interviews.
- Face-to-Face Translator (f2f-translator.com) — Split-screen bilingual speech-to-speech neural translator.
- LLM Chatbot Engine & Stable Diffusion on GCP — Cloud-native generative AI deployment blueprints.
2. Real-Time Collaboration, Productivity & FinTech Platforms
- Tetangga: Real-Time Neighborhood Collaboration (tetangga.aldianapps.com) — Next.js 16 + React 19 + Serwist PWA + Firebase Functions v2 community platform.
- Successful Day (successful.day) — Daily deep-work and habit tracking SaaS.
- Cello (cello.aldianfazrihady.com) — Full stack React/Redux & Django REST Kanban workflow board.
- Payflow Hosted Page Integration — PCI-DSS scoped payment checkout architecture.
3. Security, Identity & Cloud Infrastructure Open Source
- OAuth 2.0 & OIDC Auth Server — Multi-resource SSO identity provider.
- Slack Guardian — Real-time Slack ChatOps security bot.
- CI/CD for Istio Service Mesh on GKE — Zero-trust mTLS Kubernetes deployment pipeline.
- node-red-contrib-oauth1a — RFC 5849 OAuth 1.0a package for Node-RED IoT flows.