PRITAM KUMAR

• Took ownership of backend architecture and scaled the platform from 0 to 2.5M+ users in a fast-growing startup (Seed funded).
• Designed and optimized PostgreSQL and Firebase data models. Improved query performance, indexing strategies and reduced costs as traffic scaled.
• Built and maintained microservices using Node.js, TypeScript and Express following clean architecture and SOLID principles.
• Implemented event-driven architecture using SQS, Pub/Sub and Redis to handle asynchronous workflows, queues and background jobs.
• Built real-time features with WebSockets for live classes, chat, and user interactions.
• Integrated AI features using Gemini and Azure Speech to power language learning experiences.
• Designed recommendation systems and personalization pipelines using user behavior and content signals.
• Implemented observability stack with Elasticsearch, Logstash, Grafana and CloudWatch for logs, metrics and alerting.
• Automated CI/CD pipelines with GitHub Actions and Docker for deployments across AWS (EKS, EC2, RDS, S3) and GCP (Cloud Run, Cloud SQL).
• Built internal admin tools to automate operations and reduce manual effort for ops and marketing teams.
• Implemented data ingestion and ETL pipelines to process large Excel datasets and power analytics dashboards.
• Developed scalable automation system (ManyChat-like) for influencer engagement and marketing campaigns.

• Solely developed the MVP app which achieved 15k+ downloads and 3k+ MAU.
• The app's performance contributed to the company raising Rs. 2 Cr in funding.

HTTP Inspection & API Observability Platform

• Developer-focused HTTP inspection and traffic capture platform used by paying companies in production.
• Capture, analyze and replay HTTP(S) traffic with full request/response timeline.
• Auto-generates OpenAPI (Swagger) documentation from captured traffic.
• Improves debugging, collaboration and API documentation for engineering teams.
• Tech: Go, Node.js, PostgreSQL, Redis, Next.js, Nginx, Docker