Sanchit B.

🚀 Senior Software Engineer & Full Stack Product Builder (8+ yrs) — I build delightful, scalable, and high-performance web products that move business metrics, not just ship features. ✅ Worked fulltime 8 years for companies like PayPal, Upwork Paytm Insider, and Zomato where I​ led and delivered multiple products across fintech, marketplaces, and live events. ✅ Built web experiences from scratch that have scaled to 60k+ concurrent users across devices for live video, chat, and interactive experiences.​ ✅ Worked on mission-critical payment, billing, and subscription flows handling very high request volumes in production at PayPal.​ If you need a partner who can own product engineering end-to-end—from idea to stable production at scale—let’s talk. ✅ How I can help you ✓ Take your idea from zero to one: requirements, UX thinking, architecture, development, testing, and launch, so you can focus on customers and sales.​ ✓ Extend your MVP into a robust, production-ready product with proper architecture, observability, and performance tuning.​ ✓ Improve performance, reliability, and UX of existing React/Next.js applications (SSR, bundling, caching, API contracts, etc.).​ ✓ Own and maintain live products with a strong focus on customer experience, quality, and minimal operational overhead. ✓ Choose the right stack (React, Next.js, Node.js, Python, cloud services) based on actual business needs and cost trade-offs.​ ✓ Lead and mentor engineers, do code reviews, manage CI/CD and releases, and support live systems in production environments. ✅ Expert areas ✓ Frontend: React, Next.js (App Router, React Server Components), Redux, modern JS/TS, performance optimization, SSR, and webview integrations.​ ✓ Backend: Node.js, Express, Java/Spring (experience), microservice-style APIs, RESTful services.​ ✓ Databases: MongoDB, MySQL, DynamoDB, Firebase Realtime DB.​ ✓ Cloud & Infra: AWS, Google Cloud Platform, monitoring, on-call, and production reliability for high-traffic services.​ If you’re looking for someone who can think like an owner, collaborate with product/design, and ship high-quality software that scales in the real world—I’d be happy to help.