Sandeep Kushwaha

I’m a results-driven Software Developer specializing in mobile app development and scalable backend systems, with hands-on experience delivering production-ready applications for startups, agencies, and growing businesses.

I help clients turn ideas into secure, high-performance apps — from clean UI to robust backend architecture.

🚀 What I Do Best

📱 Mobile Apps: Flutter & Android (Java)

⚙️ Backend Development: Spring Boot, REST APIs, Microservices

🔐 Authentication: JWT, OTP-based login, role-based access

💬 Real-time Systems: WebSocket, live chat, notifications

☁️ Cloud & Storage: AWS S3, Firebase

🗄️ Databases: MySQL, PostgreSQL, Redis

🔄 API Integration: Third-party APIs, payment, booking, AI services

💼 Real Project Experience

I’ve built and worked on:

Multi-service booking apps (bus, flight, hotel, cab, recharge)

ERP systems for internal enterprise workflows

E-commerce & grocery platforms

Real estate platforms with reels, chat, and geo-location

AI-powered chat applications

Multi-tenant SaaS CRM systems

Microservices-based SuperApps

All projects follow clean architecture, proper documentation, and scalability-first design.

🧠 Why Clients Choose Me

✅ End-to-end development (UI → Backend → APIs)
✅ Clean, maintainable, and secure code
✅ Strong problem-solving mindset
✅ Clear communication & regular updates
✅ Experience with real production systems (not just demos)

🛠️ Tech Stack

Flutter | Android | Java | Dart | Spring Boot | REST APIs | JWT | WebSocket | MySQL | PostgreSQL | Redis | Firebase | AWS S3 | Docker | Git | Postman | Swagger

🤝 How I Work

Understand your business goal first

Suggest the right technical approach (not over-engineering)

Deliver tested, scalable solutions

Support long-term maintenance & improvements