Sumit Kumar S.

? Senior Java Developer with 10+ years of hands-on experience building scalable, secure, and high-performance backend systems. I specialize in Java and the Spring Boot framework, delivering robust RESTful APIs and enterprise-grade applications. ? Throughout my career, I’ve contributed to major projects across healthcare, banking, and Capital Market—each requiring high attention to security, reliability, and compliance. ? Technical Skills: Java (8/11/17), Spring Boot, Spring Rest, Spring Security, JPA/Hibernate Microservices architecture & API development RESTful Web Services Messaging: Kafka, RabbitMQ Databases: MySQL, PostgreSQL, Oracle CI/CD tools: Jenkins, Docker, Git Spring AI Testing: JUnit, Mockito Agile/Scrum methodologies ? Domain Knowledge: Healthcare: EMR/EHR integration, HL7/FHIR standards, HIPAA compliance Banking: Secure transaction systems, compliance workflows, KYC Regulatory Reporting (EMEA): Contributed to projects focused on data cleansing, transformation, and aggregation to support accurate reporting for EMEA regulations (e.g., MiFID II, EMIR). Recently explored Spring AI to build a PoC integrating generative AI capabilities into Spring Boot applications, showcasing how LLMs can enhance enterprise software. ✅ What I Offer: Clean, maintainable, and testable code Efficient problem-solving and debugging On-time delivery with proactive communication Deep understanding of domain-driven development ? Looking For: Backend/API projects using Java/Spring Boot Microservices-based architecture designs Long-term or short-term freelance opportunities Let’s connect and see how I can bring value to your project!