s
saif_shamsi

MD SAIFULLAH

@saif_shamsi

Software Developer

India
English, Hindi, Urdu
About me
I am a Software Developer with expertise in Spring Boot microservices and distributed systems. I have experience building scalable applications using Spring Cloud, Apache Kafka, and polyglot persistence. I specialize in optimizing database queries and designing robust REST APIs with JWT authentication and event-driven architecture. I have delivered one full stack freelance project to client currently live on belgiumbags.com... Read more

Skills

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saif_shamsi
MD SAIFULLAH
Offline • 

See my services

Full Stack Web Applications
I will build full stack apps using spring boot, dotnet and azure
From$30 / projectMore details

Portfolio

Work experience

eCom_IT

Full-Stack Developer – E-Commerce Platform

eCom IT • Freelance

Dec 2025 - Apr 2026 • 4 mos

Developed and delivered a production-ready full-stack e-commerce platform for a retail business specializing in premium apparel and accessories. I was responsible for building the backend architecture, integrating payment services, implementing business-critical functionalities, and deploying the application. Key Contributions: Developed scalable backend REST APIs using Java and Spring Boot. Integrated Razorpay Payment Gateway, including checkout sessions and payment verification workflows. Implemented atomic inventory management and double-order prevention mechanisms to maintain transaction consistency. Integrated Redis caching to optimize database operations and improve product catalog loading performance. Automated transactional emails for user verification, order processing, shipping, and delivery notifications using Brevo and Resend APIs. Developed a responsive frontend using Next.js. Deployed backend services on Render and hosted the frontend on Vercel. Technologies: Java, Spring Boot, Next.js, Redis, Razorpay, Brevo, Resend, REST APIs, Render, Vercel.