Rubin S.

I am a Java Spring Boot Developer with 3+ years of professional experience building scalable backend systems, microservices architectures, and high-performance web applications. I focus on clean architecture, maintainable code, and production-ready systems that align with business goals. Core Technical Skills Backend Development Java (8–21) Spring Boot, Spring MVC, Spring Data JPA, Spring Security RESTful API design & implementation Microservices architecture Monolithic to microservices migration Messaging & Event-Driven Systems Apache Kafka Event publishing & asynchronous processing Databases & Caching PostgreSQL (advanced querying & optimization) MongoDB Cassandra Redis caching Liquibase (DB versioning & migrations) DevOps & Deployment Docker containerization GitHub actions Build & Documentation Maven / Gradle Swagger / OpenAPI JavaDocs Jira workflow collaboration Additional Experience Third-party API integrations Backend testing & debugging Admin interfaces with Vaadin What I Deliver Well-structured, scalable Spring Boot applications Secure and optimized REST APIs Reliable microservices communication High-performance database design Clean, documented, and testable code Smooth deployment-ready solutions Professional Approach Strong analytical and problem-solving mindset Focus on code quality and maintainability Clear communication and consistent updates Business-oriented development perspective Reliable delivery under deadlines If you are looking for a backend developer who understands modern Spring Boot ecosystems, scalable architectures, and production-grade development standards, I am ready to contribute to your project.