Souvik Chowdhury

Redesigned REST APIs using a reusable hierarchical filter model with dynamic SQL generation, reducing response time from 8+ seconds to 1.2 seconds (85% improvement). Implemented JWT authentication and RBAC with Spring Security and built an AWS-based cloud-native reports microservice using SQS/S3.

Designed service boundaries and built 50+ REST APIs across 12 microservices using Spring Boot and JPA/Hibernate, and refactored multithreaded algorithms to reduce processing time by 65%. Built a Kafka-based event streaming pipeline processing 10,000 UDR events/second, reducing message errors by 25%, and containerized/deployed services via Docker and Jenkins CI/CD to AWS.

Built Spring Boot REST APIs to automate multi-doctor appointment scheduling for 10,000+ daily records, reducing manual workload by 30% and integrating third-party workflows via RestTemplate with a 25% reduction in processing time. Integrated third-party APIs to improve hospital workflow processing efficiency by 25% and achieved 85% unit test coverage using JUnit and Mockito with end-to-end validat

Completed an MCA program at Maulana Abul Kalam Azad University of Technology from 2020 to 2022.

Completed a BSc in Physics at Presidency University from 2016 to 2019.