Full-stack developer from Morocco. I build products and contribute to open source.
I built Akol — an AI voice agent platform for businesses — solo, from scratch. Dashboard, voice engine, billing, API, docs, Shopify integration, mobile app. All shipped, all live.
📬 hamzaswitch1221@gmail.com · LinkedIn · Upwork
Akol — AI Voice Agents for Businesses
AI that answers your business phone 24/7, sounds human, books appointments.
Full-stack solo build: Next.js 15 · React · Node.js · Express · Prisma · PostgreSQL · WebSocket voice streaming · Expo mobile app · Shopify integration · Stripe billing · Cloudflare Workers
- app.akol.ai — Dashboard (campaigns, agents, analytics, team management)
- docs.akol.ai — Documentation with RAG-powered AI chat
- akol.ai — Marketing site
- Real-time voice AI with sub-500ms latency
- Multi-tenant SaaS with role-based access
BaliGuide — Discover Bali
Community-driven platform to find cafes, events, coworking spaces, and local guides in Bali.
Next.js · React · Auth · Maps integration · Community features
Merged and in-review PRs across major projects:
| Project | Stars | PR | Status |
|---|---|---|---|
| langgenius/dify | 80k+ | #34950 — Fix RAG vector projection | ✅ Merged |
| langgenius/dify | 80k+ | #34909 — Fix workflow editor layout | ✅ Merged |
| formbricks/formbricks | 10k+ | #7731 — Fix OIDC button overlap | ✅ Merged |
| langgenius/dify | 80k+ | #35115 — Fix large integer precision | 🔄 In review |
| langgenius/dify | 80k+ | #35114 — Fix IME composition leak | 🔄 In review |
| langgenius/dify | 80k+ | #34948 — Fix annotation reply lock | 🔄 In review |
| langgenius/dify | 80k+ | #34945 — Fix stale conversation ID | 🔄 In review |
| formbricks/formbricks | 10k+ | #7732 — Fix Docker install script | 🔄 In review |
Core: TypeScript · React · Next.js 15 · Node.js · Prisma · PostgreSQL · Tailwind · shadcn/ui
Mobile: React Native · Expo SDK 54
AI/Voice: LLM APIs · WebSocket streaming · RAG · Text-to-Speech
Infrastructure: Cloudflare Workers · Nginx · PM2 · Linux VPS · SQLite
Payments: Stripe · Stripe Connect
Other: Shopify (Liquid, Admin API) · Redis · Vitest · Playwright
I'm looking for contract/freelance work in TypeScript, React, Next.js, Node.js, or React Native. I ship fast, write clean code, and I'm comfortable working autonomously.
If you have a project, email me at hamzaswitch1221@gmail.com.