Himanshu S.

Building a new product? Scaling an existing platform? Or dealing with a complex technical challenge? You’re in the right place. 𝗙𝗥𝗘𝗘 𝗖𝗢𝗗𝗘𝗕𝗔𝗦𝗘 𝗔𝗨𝗗𝗜𝗧 Send me a quick brief on Upwork, and I’ll review your architecture, identify improvements, and suggest the right technical approach, priorities, and timeline. 𝗔𝗜-𝗔𝗦𝗦𝗜𝗦𝗧𝗘𝗗 𝗗𝗘𝗩𝗘𝗟𝗢𝗣𝗠𝗘𝗡𝗧 I combine deep architectural expertise with AI-assisted development for rapid prototyping, implementation, code review, debugging, and testing. With 8+ years of experience, I help startups, businesses, and enterprise teams build, modernize, and scale complex web applications from MVPs and SaaS platforms to payment systems, healthcare solutions, regulatory infrastructure, and high-traffic applications. I take full ownership from architecture to deployment, with expertise across: 𝗧𝗘𝗖𝗛 𝗦𝗧𝗔𝗖𝗞 𝗕𝗔𝗖𝗞𝗘𝗡𝗗: Node.js, NestJS, Express.js, Python 𝗙𝗥𝗢𝗡𝗧𝗘𝗡𝗗: React.js, Next.js, TypeScript, Tailwind CSS 𝗗𝗔𝗧𝗔𝗕𝗔𝗦𝗘 : PostgreSQL, MySQL, MongoDB 𝗥𝗘𝗔𝗟 𝗧𝗜𝗠𝗘 𝗦𝗬𝗦𝗧𝗘𝗠: Stripe Payments, Twilio Communications, WebSockets, Firebase, Google Maps APIs, RESTful APIs 𝗦𝗘𝗖𝗨𝗥𝗜𝗧𝗬 & 𝗖𝗢𝗠𝗣𝗟𝗜𝗔𝗡𝗖𝗘 PCI DSS • HIPAA-oriented • SOC 2-aligned • GDPR • KYC/AML • RBAC • Audit Trails • Secure APIs 𝗜𝗡𝗗𝗨𝗦𝗧𝗥𝗜𝗘𝗦 FinTech • Healthcare • SaaS • Regulatory • Civic Services • Booking Engine • Food Delivery • Education 𝗪𝗛𝗬 𝗖𝗟𝗜𝗘𝗡𝗧𝗦 𝗪𝗢𝗥𝗞 𝗪𝗜𝗧𝗛 𝗠𝗘 8+ Years of Full-Stack Development Experience 18+ Platforms Successfully Designed, Built & Shipped 5+ Platforms Supporting Businesses That Have Raised $3M+ in Funding 10+ Platforms Supporting 6K+ Concurrent Customers 4+ Platforms Processing $40K+ USD in Daily Payments 2 Platforms Processing Daily Hotel Bookings via RateHawk 1+ Platform Supporting Healthcare Branding, Promotion & MLR Document Review 1 Platform Powering Online Programs, Courses & Coaching Classes 1+ Digital Wallet Platform Supporting Multi-Currency, Multi-Language & Cryptocurrency Payments I don’t just aim to make your application work. I aim to make it perform, scale, remain maintainable, and create long-term value for your business. 𝗟𝗘𝗧’𝗦 𝗕𝗨𝗜𝗟𝗗 𝗦𝗢𝗠𝗘𝗧𝗛𝗜𝗡𝗚 𝗚𝗥𝗘𝗔𝗧 Send me a quick brief about your project on Upwork. I’ll help you define the architecture, technical approach, priorities, and path to delivery - so you can move forward with clarity and confidence.