Niraj Kumar — Engineering Manager
With 13+ years of hands-on experience, I specialize in building secure, scalable, and high-performing mobile and web platforms using React Native, React, TypeScript, Android, and Node.js. I’ve engineered solutions that power apps and SPAs for 25M+ users, consistently driving performance, reliability, and security at scale. My work spans gaming, fintech, and e-commerce, across companies like Games24x7, Simpl, Snapdeal, and Samsung. Key highlights include: ⚡ Boosted mobile launch performance by 70% with offline caching, optimized session lifecycle, and modular reusable components 🌐 Improved web SPA load times by 50% with webpack code-splitting, Lighthouse audits, and bundle optimization 🛠️ Architected modular cross-app repositories (private npm), cutting integration cycles from 2 days to 30 minutes 🔐 Delivered secure systems with SSL pinning, AES encryption, and OAuth2/JWT authentication 🤖 Integrated AI/ML & GenAI (AWS Bedrock, RAG, Vector DB) into apps and workflows for measurable productivity gains 🚀 Automated CI/CD pipelines across mobile and web, ensuring zero Sev-1 incidents and incident-free deployments I’m passionate about coding at scale, performance engineering, and developer productivity, blending mobile + web + GenAI to push the limits of what’s possible. Always open to connecting with peers and leaders who are building the future of apps, web, and platforms.
Stackforce AI infers this person is a seasoned expert in Gaming and Fintech, specializing in scalable mobile and web applications.
Location: Bengaluru, Karnataka, India
Experience: 14 yrs 1 mo
Skills
- React Native
- React
- Node.js
- Android Development
Career Highlights
- Engineered solutions for 25M+ users.
- Boosted mobile performance by 70%.
- Delivered secure systems with advanced encryption.
Work Experience
Games24x7
Engineering Manager (9 mos)
SDE-3 (4 yrs 2 mos)
SDE-2 (2 yrs 11 mos)
Simpl
Android Developer (1 yr 5 mos)
Snapdeal
Lead Software Engineer (1 yr 5 mos)
Sonim Technologies
Senior Software Engineer (10 mos)
Samsung Electronics
Senior Software Engineer(S.S.E.) (2 yrs 6 mos)
Education
Bachelor of Engineering (B.E.) at Jabalpur Engineering College