Rumman B.Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Nov 5, 2026.

Full-stack AI engineer for startups and SaaS teams. I build React, Next.js, Node.js, TypeScript, and Python products with AI chatbots, LLM agents, and RAG pipelines built in. 🚀 💡 Free consultation: building from scratch or fixing a live product? Send me the scope or codebase and I'll map your tech stack, architecture, and execution plan on a quick 15-minute call. No cost, no commitment. 125+ projects across SaaS platforms, custom AI agents, and internal tools in Healthtech, EdTech, FinTech, and ERP, all built to hold up under real-world traffic. WHAT I BUILD • AI-powered SaaS products and startup MVPs • Full-stack web applications, customer portals, and dashboards • Multi-tenant SaaS platforms and Stripe subscription systems • AI agents and agentic workflows • Generative AI and LLM applications • RAG (Retrieval-Augmented Generation) applications, semantic search, and knowledge systems • Document intelligence platforms • AI automation and workflow automation systems • API integrations and backend systems • Internal business tools I'M A GREAT FIT IF YOU NEED: ✅ Full-stack ownership: I don't just clear tickets; I take responsibility from architecture to launch. ✅ Strategic input: I research solutions, flag edge cases, and propose better ways to solve problems. ✅ High autonomy: I ship complete features with zero hand-holding required. ✅ Scalable execution: Clean code that scales fast without accumulating tech debt. I'M NOT A FIT IF YOU'RE LOOKING FOR: ❌ A passive task-taker: Someone who blindly codes specs without questioning product logic. ❌ Micromanagement: Constant check-ins and rigid oversight instead of clear milestones and real outcomes. ❌ Short-term fixes: Quick, messy hacks that break as soon as real users arrive. TECHNOLOGIES I WORK WITH AI & Automation: OpenAI, Claude, Gemini, LangChain, LlamaIndex, AI Agents, Agentic AI, RAG Systems, Vector Databases, Embeddings, MCP Servers, Tool Calling, Prompt Engineering, AI Automation, n8n. Frontend: React, Next.js, TypeScript, JavaScript, Tailwind CSS, shadcn/ui Backend: Node.js, NestJS, Express.js, Python, FastAPI, REST APIs, GraphQL, WebSockets, Background Jobs Database & Infrastructure: PostgreSQL, Supabase, MongoDB, Redis, AWS, Vercel, Docker, Cloudflare Workers SaaS & Product Development: Multi-Tenant Architecture, RBAC, Authentication, Stripe Billing, API Integrations, System Design AI Development Tools: Claude Code, Cursor, Codex, AI-Assisted Development, Custom MCP Servers Testing & DevOps: Playwright, Vitest, Jest, GitHub Actions, CI/CD, Automated Testing, Performance Optimization WHY CHOOSE ME? SIMPLE. 🙌 • Fast execution: 8+ years of experience means fewer detours and cleaner first builds. • High trust: Most clients hire me for multiple projects because I deliver on time. • Real AI integration: Practical AI features built into your stack that add real business value. • Stress-free communication: Clear, daily updates so you never have to chase me for status. I use tools like Cursor AI, Claude Code, and GitHub Copilot to move faster, but good software still comes from good engineering decisions, clean architecture, and understanding the business problem behind the product. Got a spec, an active repo, or just an idea? Click 'Send Message' or 'Invite to Job' and let's go straight to scope and timeline.