Open to opportunities

Sumer Kumar

@sumerkumar

Message

I build scalable full-stack web applications, APIs, and commerce integrations for growing user bases.

India

Message

What I'm looking for

I'm looking to build scalable full-stack products, microservices, APIs, and commerce integrations while owning development from start to finish.

At PlayCKC Interactive, I built and maintained Node.js, TypeScript, Express.js, and PostgreSQL applications serving over 300,000 users. I developed REST APIs, real-time sports data pipelines, and automated background jobs for low-latency live match updates.

I delivered full-stack product features including the PlaySuper Reward Store, Referral System, and an AngularJS admin portal. I also integrated SportMonks, Google AdMob, and Xoxoday APIs while collaborating through Git and Jira.

I've also built e-commerce and business websites, including a food ordering platform with React, Spring Boot, Zoho Commerce, Zoho Checkout, Zoho Inventory, Zoho Forms, and Zoho SalesIQ.

Experience

Work history, roles, and key accomplishments

Software Developer

PlayCKC Interactive Pvt. Ltd.

Jan 2025 - Apr 2026 (1 year 3 months)

Developed and maintained scalable Node.js, TypeScript, Express.js, and PostgreSQL applications, improving performance, scalability, and reliability. Built high-performance REST APIs, real-time sports data pipelines, and automated background jobs for low-latency live match updates and user engagement.