Manoj Kumar
Senior Backend Engineer | Building Scalable Microservices & Real-Time Systems | Node.js • Python • GCP • Docker
- Role
- Technical Lead at Diltalks
- Location
- Gwalior, MP, IN
- LinkedIn followers
- 500 followers
About Manoj Kumar
I build high-performance, scalable backend systems powering real-time platforms and large-scale services. What I bring:• Architected microservices platforms handling 10M+ daily requests and 500K+ MAU with 99.9% uptime. • Reduced API latency by > 60% and bandwidth costs by ~40% through efficient caching, optimizations, and API gateway architecture. • Designed and delivered a real-time notification service sending 3M+ messages/day with sub-30s delivery — boosting DAU and engagement by 25–30%. • Led engineering teams (3+ devs), improved deployment velocity by 60%, and maintained high reliability under load. Tech Stack & Expertise: Node.js, NestJS, PostgreSQL, MongoDB, Redis, Kafka, Docker, GCP, Microservices, Real-time, Cloud Architecture, Distributed Systems, Python, Django.I’m open to Senior / Lead Backend Engineering or Technical Leadership roles where I can drive architecture, performance, and scalability. Let’s connect if you’re building complex backend systems or platform-level architectures.
Experience
Technical Lead
Mar 2024 — Present
Android App Link: https://play.google.com/store/apps/details?id=com.diltalks.appiOS App Link: https://apps.apple.com/in/app/diltalks/id67••••••49Website: https://diltalks.comLed designing and development of production mental health counseling platform with real-time audio/video sessions connecting clients and licensed counselors. Architected full-stack platform: Django REST APIs (<200ms p95), Flutter mobile app, React admin dashboard, Next.js website Implemented JWT/OAuth 2.0 authentication with RBAC, integrated payment wallet, refunds, and financial reporting system Built real-time infrastructure: ZegoCloud video/audio calls, WebSocket chat with persistence, Flutter background call handling Developed booking engine with availability management, automated scheduling, conflict resolution, and billing workflows Deployed on GCP with Docker, Nginx, HTTPS, Redis caching; reduced support tickets 60%, achieved 4.2 ratingSkills:NodeJs, Python, Django (DRF), PostgreSQL, Redis, Flutter, React, Next.js, Redux, ZegoCloud, Socket.io, FCM, GCP, Nginx, Docker
Education
Delhi Technological University (Formerly DCE)
Bachelor’s Degree, Electrical, Electronics and Communications Engineering
2011 — 2015
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