Siddhesh Bhavsar
Java Backend Developer
About
Results-driven Java Backend Developer with 3+ years of experience designing and delivering scalable, high-performance microservices using Java 8, Spring Boot, and RESTful APIs. Proven track record in enterprise-grade projects across financial services (Deutsche Bank) and global healthcare (Centene). Expert in microservices architecture, Apache Kafka event streaming, CI/CD pipelines, and Agile delivery. Adept at building secure, cloud-ready backend systems on AWS and GCP, with strong unit testing practices (80%+ coverage with JUnit). Seeking a challenging Java Backend Developer or Spring Boot Microservices Engineer role to build scalable distributed systems.
Skills & Expertise (47)
Work Experience
Software Engineer
HCL Technologies
Nov 2022 - Present
Designed and implemented 8+ high-availability microservices (synchronous and asynchronous) using Java 8 and Spring Boot, enabling real-time and scheduled financial data processing across distributed systems. Developed and maintained robust RESTful APIs for complex financial data orchestration, with focus on performance, scalability, and security in compliance with enterprise banking standards. Integrated Apache Kafka for asynchronous event streaming between microservices, improving system decoupling and throughput for high-volume transaction processing. Managed large-scale, time-sensitive transactions across multiple time zones using Java Date & Time API, ensuring data accuracy and consistency. Achieved 80%+ unit test coverage using JUnit and Mockito, significantly reducing production defects and improving code reliability. Conducted end-to-end API testing with Postman and Swagger/OpenAPI, resulting in 20% reduction in critical bugs before production deployment. Refactored and optimized legacy Spring Boot services, delivering 30% improvement in API response time and reduced server load. Implemented CI/CD pipelines using GitLab CI/CD and SonarQube for code quality gates, enabling continuous delivery with automated testing.
Project: Global Healthcare Platform
Centene
Mar 2023 - Dec 2023
Contributed to a scalable, multi-country healthcare backend platform supporting 10+ regions, built on Spring Boot microservices architecture. Designed and optimized 4+ RESTful APIs for seamless frontend-backend integration, improving data delivery and system interoperability. Implemented role-based access control (RBAC) using Spring Security and JWT tokens, ensuring compliance with healthcare data security standards. Improved API throughput and reduced latency by 25% through performance tuning, query optimization, and Agile iterative delivery. Collaborated in an Agile Scrum environment with cross-functional teams across multiple time zones, ensuring on-time sprint delivery.
Project: Financial Data Platform
Deutsche Bank
Jan 2024 - Present
Designed and implemented 8+ high-availability microservices (synchronous and asynchronous) using Java 8 and Spring Boot, enabling real-time and scheduled financial data processing across distributed systems. Developed and maintained robust RESTful APIs for complex financial data orchestration, with focus on performance, scalability, and security in compliance with enterprise banking standards. Integrated Apache Kafka for asynchronous event streaming between microservices, improving system decoupling and throughput for high-volume transaction processing. Managed large-scale, time-sensitive transactions across multiple time zones using Java Date & Time API, ensuring data accuracy and consistency. Achieved 80%+ unit test coverage using JUnit and Mockito, significantly reducing production defects and improving code reliability. Conducted end-to-end API testing with Postman and Swagger/OpenAPI, resulting in 20% reduction in critical bugs before production deployment. Refactored and optimized legacy Spring Boot services, delivering 30% improvement in API response time and reduced server load. Implemented CI/CD pipelines using GitLab CI/CD and SonarQube for code quality gates, enabling continuous delivery with automated testing.
Education
B.Tech – Electrical Engineering - Dr. Babasaheb Ambedkar Technological University
2018 - 2022 · Afghanistan
