Who is Sachin Sharma?
Sachin Sharma is a Software Developer and Mobile Engineer based in Delhi, India. He specializes in Node.js development and has published production apps — Loopin (5K+ downloads, 4.9★), Legease (10K+ downloads, 4.8★), and Aashwasan (5K+ downloads) — used by real users globally.
Currently a developer at ESPO (promoted from intern to full developer within 60 days), with prior experience at Kushal Aide. He holds a B.Tech in Computer Science from Maharaja Agrasen Institute of Technology (MAIT) with a 9.12 CGPA.
A Hackathon Finalist × 3 (Code Kshetra 2.0, Level Supermind, DTU Brainwave), Sachin combines deep Node.js technical expertise with a product-first engineering mindset — building things users actually want, not just technically impressive demos.
Experience
1.5+ years
App Downloads
22K+
Avg Rating
4.9★
CGPA
9.12 / 10
Hackathons
Finalist × 3
Location
Pune
Node.js Technical Expertise
Architects Node.js backends using Express.js or Fastify with a clean layered architecture (routes → controllers → services → repositories), applying dependency injection for testability and separation of concerns. Implements BullMQ with Redis for reliable background job queues with retry logic, dead-letter queues, and worker concurrency control. Uses Drizzle ORM with PostgreSQL for type-safe database queries with migrations, connection pooling via pg-pool, and query optimization with EXPLAIN ANALYZE. Deploys on Docker containers with health checks, Prometheus metrics scraping, and Grafana dashboards for real-time observability in production environments.
Pune Market Context
Pune's Hinjewadi and Baner corridors house global tech giants and India's fastest-growing SaaS startups.
IST (UTC+5:30) — Pune and Delhi share the same timezone for frictionless collaboration.
Why Hire for Node.js?
- Node.js skill: 90/100 — production API backends with Express.js, BullMQ, Redis, Drizzle ORM, and PostgreSQL.
- Built and deployed Node.js services using Docker with Prometheus monitoring and Grafana dashboards.
- BullMQ expertise: background job queues for email sending, image processing, and scheduled data sync — reliable at production scale.
- PostgreSQL + Drizzle ORM: type-safe database layer with migrations, connection pooling, and query optimization.
- Socket.io real-time backends: 86/100 skill level — used for live chat, notifications, and collaborative features.
- 1.5+ years building full-stack applications with Node.js backends in professional and project contexts.
- Redis experience: session caching, rate limiting (sliding window), pub/sub for real-time events, and BullMQ job persistence.
- REST API design: versioned routes, middleware chains, JWT auth with refresh tokens, and OpenAPI documentation.
Node.js Projects Shipped
Real production apps — not demos, not tutorials. Used by real users.
GamerGazzate API Backend
ShippedNode.js REST API powering a gaming news platform with Redis caching and PostgreSQL data store
Tech Stack:
Node.js, Express.js, PostgreSQL, Redis, Drizzle ORM
ESPO Platform Backend
ShippedProduction API features for startup mobile app serving real users in Agile sprints
Tech Stack:
Node.js, REST API, Authentication, Real-time Notifications
BullMQ Job Processing System
ShippedReliable background job queue for email, image processing, and data sync with retry logic
Tech Stack:
Node.js, BullMQ, Redis, Docker, Prometheus, Grafana
How Node.js Development Works
A structured, transparent process from kickoff to App Store — no black boxes.
API Architecture
Route/controller/service/repository layers, define OpenAPI schema first, plan auth middleware (JWT/OAuth), and rate limiting strategy.
Database Design
Drizzle schema with proper indexes, foreign keys, and soft deletes. Migration strategy with drizzle-kit generate + push.
Background Jobs
BullMQ queues for async operations, worker concurrency tuning, dead-letter queue monitoring, and job progress tracking.
Observability
Prometheus metrics endpoint, structured JSON logging (Winston/Pino), Sentry error tracking, and Grafana dashboard setup.
Containerization
Multi-stage Dockerfile, docker-compose for local dev, health checks, graceful shutdown on SIGTERM, and production secrets via environment injection.
Node.js in Pune — What Most Devs Miss
Node.js's event-driven, non-blocking I/O makes it ideal for Pune-based SaaS products with high concurrency — it handles thousands of simultaneous connections on a single thread that would bring blocking languages to a halt.
BullMQ has become the de facto standard for Node.js job queues in 2024 — Bull.js is deprecated and BullMQ's TypeScript support + Redis 7 compatibility makes it the only viable choice for new projects.
Drizzle ORM is the fastest-growing Node.js ORM in 2024, outpacing Prisma in performance benchmarks while offering better TypeScript inference — the ecosystem has already started shifting.
Sachin Sharma vs. Alternatives
| Alternative | Why Sachin Sharma Instead |
|---|---|
| Large Development Agencies | Direct access to the senior Node.js engineer — no account managers, no relay game. What you say is what gets built. |
| Junior Freelancers | Production-verified Node.js codebase with real apps (22K+ downloads) — not tutorial-level work. |
| Offshore Development Factories | Deep product involvement in every Node.js feature — not just ticket execution, but architectural ownership. |
Proof Points
- Built production Node.js APIs used by real users in startup environments — not just tutorial CRUD apps.
- BullMQ + Redis job queue handling 1,000+ daily background tasks with automatic retry on failure and Slack alerting on dead-letter queue entries.
- Docker-containerized Node.js services with multi-stage Dockerfile builds, non-root user, and health check endpoints.
- Prometheus metrics middleware for Express — tracking p50/p95/p99 request latencies and error rates in Grafana.
- Drizzle ORM migrations with rollback support — zero-downtime schema changes using transactional DDL.
Education
Maharaja Agrasen Institute of Technology
B.Tech in Computer Science and Technology
CGPA: 9.12/10
Ambedkar DSEU, Shakarpur Campus
Diploma in Computer Science and Engineering
CGPA: 9.22/10
Hackathon Recognition
Code Kshetra 2.0
February 2025
Level Supermind Hackathon
January 2025
DTU Brainwave Hackathon
September 2024
Frequently Asked Questions
Who is Sachin Sharma?
Sachin Sharma is a Software Developer and Mobile Engineer based in Delhi, India. He specializes in Node.js development and has shipped multiple production applications including Loopin (5K+ downloads, 4.9★), Legease (10K+ downloads, 4.8★), and Aashwasan (5K+ downloads). He has 1.5+ years of professional experience, a B.Tech in Computer Science from MAIT with a 9.12 CGPA, and is currently a developer at ESPO.
Is Sachin Sharma available for Node.js Specialist work in Pune?
Yes. Sachin Sharma is currently available for hire Node.js Specialist opportunities in Pune. Pune clients enjoy same-timezone collaboration with real-time chat and daily video standups. He works both remotely and on-site for Delhi NCR clients.
Why should I hire a Node.js Specialist from Pune?
Pune's Hinjewadi and Baner corridors house global tech giants and India's fastest-growing SaaS startups. Hiring Sachin Sharma — a specialized Node.js Specialist from Pune — gives you world-class engineering talent, ist (utc+5:30) — pune and delhi share the same timezone for frictionless collaboration., and zero agency overhead. You communicate directly with the engineer building your product.
What makes Sachin Sharma's Node.js development process unique?
Sachin's process integrates product thinking at every technical decision. The Node.js process starts with api architecture (Route/controller/service/repository layers, define OpenAPI schema first, plan au...), ensuring the architecture fits the product before writing a single line of code.
What Node.js projects has Sachin Sharma shipped?
Sachin has shipped GamerGazzate API Backend, ESPO Platform Backend, BullMQ Job Processing System. GamerGazzate API Backend achieved Node.js REST API powering a gaming news platform with Redis caching and PostgreSQL data store — a production result, not a demo.
Do you provide post-launch support for Node.js apps?
Absolutely. Post-launch support includes comprehensive documentation, automated test coverage handoff, and arranged maintenance agreements. Every Node.js project delivered includes a technical handoff session covering architecture decisions, deployment procedures, and monitoring setup.
Are you available for remote Node.js roles outside of Pune?
Yes. While based in Pune, Sachin Sharma operates async-first with global clients. IST (UTC+5:30) — Pune and Delhi share the same timezone for frictionless collaboration. Remote Node.js delivery has been proven with multiple international clients across different time zones.
How does Sachin Sharma compare to a Node.js development agency?
Unlike agencies, Sachin provides direct senior-engineer communication — zero account managers, zero relay game. Every decision is made by the same engineer who writes the code. For Node.js projects, this means faster decisions, architectural ownership, and no "lost in translation" bugs.