
Hi, I'm Pratim
Full-Stack Developer · Mumbai, India
Full-Stack Developer with 4+ years of experience building scalable frontend and backend systems. Experienced across React, Next.js, Node.js, NestJS, microservices, databases, Redis, AWS, and CI/CD. I enjoy working across the stack—from building products and APIs to deploying and scaling them in the cloud. Currently diving deeper into Kubernetes, distributed systems, and cloud-native infrastructure.
“There is nothing impossible to him who will try.”
Skills
Frontend
Backend
Database
Cloud
System Design Architectures

Bitly — High-Level Design
Designing a URL shortener for 100M daily active users — evolving from a single server to microservices, adding Redis caching, and generating distributed unique IDs with Snowflake + Zookeeper.

Ticketmaster — High-Level Design
Designing an event-booking platform like Ticketmaster, BookMyShow, or District — CDC to Elasticsearch, Redis seat locks with TTL, payment webhooks, and a Kafka waiting queue for mega on-sales.

Amazon / Flipkart — High-Level Design
Designing an e-commerce platform like Amazon or Flipkart — microservices, CDC to Elasticsearch, S3/CDN images, Redis locks on the last unit, inventory cache, and Kafka after payment.

YouTube / Netflix — High-Level Design
Designing a video platform like YouTube or Netflix — S3 uploads with pre-signed URLs, chunking and transcoding, HLS/DASH packaging, CDN delivery, and adaptive bitrate streaming.

Booking.com / Airbnb — High-Level Design
Designing a hotel-booking platform like Booking.com or Airbnb — Elasticsearch proximity search, Redis availability and locks, CDC, payment, and Kafka after a successful booking.
Experience
SDE 2 · Fountane
Aug 2023 — Present- Delivered end-to-end full-stack features spanning architecture design, database modeling, third-party integrations, and deployment workflows.
- Built backend services in a microservices architecture using Node.js (NestJS), including schema design, APIs, and system integrations.
- Designed scalable background processing with Redis and BullMQ for asynchronous task execution and workflow automation.
- Built and maintained CI/CD pipelines, streamlining deployments and improving development velocity.
- Owned the end-to-end Twilio integration (SMS workflows and live chat) and contributed to a self-hosted observability stack (Grafana, Prometheus, Loki).
SDE 1 · Invact
Jan 2022 — Jun 2023- First engineering hire — built the MVP and core platform from the ground up, contributing to the company's $5M seed round led by Arkam Ventures.
- Developed full-stack product features with React, Node.js, NestJS, Supabase, and PostgreSQL.
- Built event scheduling and notification systems delivering SMS, WhatsApp, and email to thousands of users daily via Twilio and Amazon SES.
Talks
Education
Mumbai University
B.E. in Computer Engineering · GPA 8.6/10