Atharv Darunkar

WORK HISTORY

ABOUT ATHARV DARUNKAR

Java Backend Developer building enterprise-grade systems that scale. I engineer backend infrastructure for B2B product companies — microservices that handle thousands of transactions, batch pipelines that crunch records daily, and security layers trusted by enterprise clients. In 2 years at Effigo, I\'ve gone from writing APIs to owning entire product modules end-to-end. What I\'ve shipped: Rate Contract Management System — sole developer, active users, 40% faster approval cycles ERP Integration Pipelines — Spring Batch processing 10K+ records/day at 99.5% accuracy across SAP & Oracle Document Management Service — documents/month with AWS S3, encryption & versioning Bank Validation API — RSA encryption & ICICI Bank integration for production-grade financial workflows Notification System — RabbitMQ event bus handling daily events with zero message loss My stack: Java 17 · Spring Boot · Microservices · PostgreSQL · RabbitMQ · AWS (S3, EC2) · Docker · OAuth 2.0 · JWT · Spring Batch I care about clean architecture, observable systems, and code that the next developer will thank you for. Open to Backend / SDE II roles. Let\'s connect — a••••••••@gmail.com