Deepak S.

Founders and small teams hire me when they need one senior developer who can own the whole product: web app, mobile app, backend and the AI features, from first commit to launch. Top Rated Plus full-stack AI engineer with 6+ years of experience and 65 Upwork projects. I work mostly with Next.js, React Native, Supabase/Postgres and Node, and I build AI features that run in production with Claude and OpenAI: assistants, RAG, streaming, agent workflows and MCP servers. Industries I've built for - Healthcare: PreSense Health, a clinical intelligence platform for ICU teams - Dental: LeadPulse, an AI-powered CRM for dental clinics - Legal: LoveAndLaw, an AI legal platform with talking avatars - Fintech: TradingCoach AI, an AI coaching SaaS for traders, and Credilio, a credit card application platform - Proptech: RoomFlo, a roommate management SaaS What you can hire me for - A new MVP, from idea to live product: auth, Stripe payments, dashboards, admin panels - Adding AI to an existing product so it works reliably in production, not just in a demo - A React Native app for iOS and Android on the same backend as your web app - Taking over an existing or AI-generated codebase (Lovable, Bolt, Cursor) and making it production-ready: bugs, performance, Supabase RLS, security, tests Stack Next.js, React, TypeScript, Vue/Nuxt, Tailwind CSS | React Native | Node.js, Express, FastAPI | Supabase, PostgreSQL, MongoDB | Claude API, OpenAI API, Claude Code, MCP | Stripe, Vercel, AWS How I work - A written plan and estimate before any work starts - Small, reviewable updates with a staging link, so you always see progress - I use AI coding tools every day, and I review and test everything they produce - Based in India (IST), with good overlap with UK/EU hours I also contribute fixes to open-source projects like Supabase and Vue. Send me a short note on what you're building and where you're stuck. I'll reply within a day with how I'd approach it and a rough estimate.