Headline

SDE @Delhivery | Ex-MPL | NIT Patna | LeetCode Knight | CodeChef 4⭐

About

Backend Engineer at Delhivery, contributing to two production services handling 200-300K and ~150K RPM. Strong in Python, Node.js, TypeScript, Kafka, Redis, PostgreSQL, Docker, Kubernetes, and distributed systems — focused on building services that stay reliable under real production load, not just code that ships. Previously at MPL, working on backend systems and testing infrastructure for high-QPS workloads. NIT Patna — CodeChef 4⭐, LeetCode Knight. Open to backend/distributed systems roles at meaningful scale 📩 roshanbirla07@gmail.com

Location

Bengaluru

AI stack

claude

cursor

geminicli

github copilot

kiro

ChatGPT

Work experience

Full Stack Engineer at Delhivery, Oct 2025 - Present · 11 mos, Tech Stack: Node.js, TypeScript, Python (Flask), Kafka, Redis, PostgreSQL, DynamoDB, Elasticsearch/OpenSearch, Docker, Kubernetes, PgBouncer. Migrated a legacy asynchronous queue system to a Kafka-based producer pipeline, enabling high-throughput event ingestion and improving reliability under peak logistics traffic. Migrated a production service from EC2 to Devtron, containerized applications, and built Kubernetes-based CI/CD pipelines to automate deployments and reduce operational overhead. Optimized PostgreSQL performance by configuring PgBouncer with separate read/write pooling, reducing connection saturation and lowering query latency by 15–20 ms.

Backend Developer Intern at Mobile Premier League (MPL), Feb 2025 - Aug 2025 · 6 mo, Bengaluru, Karnataka, India, Tech Stack: Node.js, TypeScript, Redis, Kafka, React, Bitbucket. Designed and owned a traffic replay system to simulate high-QPS game workloads, enabling stress testing of backend services and databases under production-like conditions. Built an integration testing framework with UI support, reducing effort required to validate complex game scenarios and service interactions. Contributed to production microservices using Redis caching and Kafka-based asynchronous communication, improving throughput and reducing request latency.

Education

National Institute of Technology , Patna

Bachelor of Technology, Electrical, Electronics and Communications Engineering, National Institute of Technology , Patna

Public links

github: https://github.com/roshanbirla07

medium: https://medium.com/@roshanbirla2004

leetcode: https://leetcode.com/God_USOPPP

codeforces: https://codeforces.com/profile/rbirla