Sachindeep S.

Looking for an engineer who can take complete technical ownership of your web or mobile app, from architecture to production? I partner with founders and fast-moving teams to turn product ideas into fast, maintainable, and scalable digital products. Whether you need a ground-up SaaS MVP built, a cross-platform mobile app shipped, or production-grade AI agents integrated into your existing stack, I deliver clean, production-ready code that scales smoothly. How I Help Founders & Teams * End-to-End Web & Mobile: High-performance web apps built with React, Next.js, and TypeScript, alongside native-feel iOS & Android apps built with React Native and Expo. * AI & Automation: Custom RAG pipelines, LLM-powered features, and automated business workflows using modern AI tools and APIs. * Backend & System Design: Fast, secure APIs and database schemas using Node.js, Supabase, PostgreSQL, MongoDB, or AWS. * Payments & Integrations: Subscription monetization via Stripe and RevenueCat, WebSockets, real-time messaging, and third-party APIs. * Codebase Rescues: Stepping into existing, buggy, or unfinished repos, refactoring technical debt, and restoring rapid feature delivery. Selected Projects & Impact * TradeBulls: High-reliability financial trading platform supporting real-time data streaming for equities, derivatives, and commodities. * FanUp (Fantasy Sports / Gaming): Real-time consumer platform featuring social contests, live leaderboards, wallet transactions, and rewards. * WeGuide Health (HealthTech): Secure, patient-facing digital health tracking and engagement platform. * Store To Door: End-to-end on-demand logistics platform featuring live driver tracking and dispatch management. * Estatia & Remnants Marketplace: Multi-tier SaaS and operations platforms built with Next.js and Supabase, featuring role-based dashboards (Admin, Concierge, Developer) and multi-workflow tracking. Tech Stack * Frontend: React, Next.js, TypeScript, Tailwind CSS, Redux, Zustand * Mobile: React Native, Expo, App Store & Google Play deployments * Backend: Node.js, Express, Supabase, PostgreSQL, MongoDB, Firebase * Cloud & Tools: AWS, Docker, Vercel, REST, GraphQL, WebSockets, cloud flare Working With Me * Clear Communication: Regular progress updates, direct communication, and no technical jargon. * Async-Friendly: Comfortable collaborating across US, UK, and European time zones. * Ownership Mindset: I don't just complete tickets, I advise on architecture, edge cases, and user experience. If you have a clear roadmap, wireframes, or an existing repository you need help with, send me a message and let's discuss your project scope.