I build custom business web apps — CRM, e-commerce, AI automation, and SaaS platforms — engineered full-stack and delivered fast with AI-assisted development, grounded in fundamentals. Based in Dhaka, open to freelance, remote roles, and startup collaborations.

🔗 Portfolio: ryanabir.space  ·  much of my strongest work is client/internal software under NDA — the portfolio describes it by capability.

Languages — TypeScript · JavaScript · Python · SQL

Frontend — React · Next.js (App Router) · Tailwind CSS · TypeScript

Backend — Node.js / Express · Flask (Python) · REST & JSON APIs

Databases — PostgreSQL · Firebase/Firestore · Supabase · SQLite · MongoDB  ·  ORMs: Drizzle, Prisma, SQLAlchemy · Redis

AI — LLM APIs (OpenAI, Google Gemini) · custom AI agents · agentic workflows

Payments — Stripe (checkout, webhooks, dunning, plan-gating)

Infra & Tooling — Docker · Cloudflare Workers/Pages · Gunicorn · Traefik · BullMQ · S3 / MinIO · Vitest / Playwright · Git & CI/CD

• AI-integrated business platforms — HR, accounts, and automated sales with custom AI agents driving marketing and task automation (RBAC, job queues, notifications)
• E-commerce / catalog systems — Next.js storefronts with type-safe catalogs and automated imports
• Financial-grade backends — exact-decimal money handling, secure sessions, large-file object storage
• Legacy modernization — re-architecting older platforms onto modern stacks without unnecessary rewrites

An AI assistant that scores a profile against any job post, flags gaps, and drafts a tailored application — tracked in a dashboard. Next.js TypeScript Supabase Auth Gemini API

A complete Stripe billing lifecycle — checkout, webhooks, dunning, scheduled cancellation, and plan-based feature gating. Next.js Stripe Prisma PostgreSQL Webhooks

(More on the portfolio, including client/internal work under NDA.)

• 🌐 Portfolio — ryanabir.space
• 💼 LinkedIn — linkedin.com/in/ryanabir
• 🐙 GitHub — github.com/RyanAbir

Open to freelance projects, remote roles, and startup collaborations.