Bhargav Pandya

About Bhargav Pandya

Full Stack Web Developer with 4 years of experience and a proven track record in the software industry. Skilled in building scalable, distributed systems used by millions, with strong hands-on experience in Node.js, TypeScript, React.js, MongoDB, and Python. Passionate about architecting reliable solutions to complex problems and optimizing backend services for performance and maintainability. Experienced in mentoring teams on React and JavaScript, leading teams on complex projects, and independently driving end-to-end delivery from concept to deployment. Always eager for new challenges, continuously learning and growing—as a developer and as a human being. Physics graduate from Pandit Deendayal Petroleum University, Gandhinagar.

Experience

1. Software Development Engineer Ii

   O4s

   Jan 2024 — Present · Gurugram, IN

   Designed and owned user-service, exposing 50+ CRUD APIs for managing user data.• Co-led a team of 10 developers to modify the User schema, optimizing & refactoring 250+ APIs.• Added 10+ indexes across 6 collections of (>0.5Million records), cutting query latency by 75%.• Cut $lookup query time by using materialized views and Mongo change data capture.• Owned event-service & push-service for sending translated event-based push & in-appnotifications, leveraging Kafka to capture & queue system events per day.• Integrated Vietnamese payment vendor (Payoo) for direct bank transfers to 8,500+ users,driving a 70% increase in scan-related app engagement and customer fulfillment.• Built user referral feature on whitelabel-gateway service, boosting app engagement by 25%.• Developed 15+ APIs for Sales Partner App on inventory-service, enabling sales agents toperform product scan transactions on behalf of client beneficiaries.• Developed Scheme Creation feature and cut read query time by 60% using Redis caching.• Optimized custom registration flow for 25 Whitelabel Apps, reducing onboarding time by 100%.• Migrated 40+ APIs from a deprecated MongoDB instance, consolidating data storage.• Automated 8 scripts via Prefect flows, saving 3 hours/month for Operations Team.• Built 2 ETL flows for batch processing user onboarding CSV uploads and data downloads.• Integrated New Relic for microservice monitoring, reducing incident detection time by 90%.• Reviewed 150+ Pull Requests, improving code quality & helping peers with code refactoring.• Tech Stack: Node.js (TypeScript), Python (Flask), 30+ microservices, MongoDB, PostgreSQL,ClickHouse, Redis, Kafka, Docker, Kubernetes, AWS, Jenkins, Prefect, Elasticsearch, Firebase,Metabase, New Relic, Grafana, GitHub Actions, Swagger, JWT, Twilio, Vue.js, Koa, Express.js.

Education

• Pandit Deendayal Energy University

  Bachelor of Science - BS, Physics