Senior Java Backend Developer

Description

We are seeking a **Senior Java Backend Developer** to build and evolve scalable, high\-performance backend services that power widely used mobile and web experiences. You will partner with a cross\-functional agile team to design robust APIs, distributed services, and reliable integrations—apply now to help deliver quality at scale. **Responsibilities** * Design scalable backend services using Java and Spring Boot * Build RESTful APIs for mobile and web applications * Develop secure and reliable microservices for distributed systems * Optimize database models and data access layers for performance * Integrate external APIs and third\-party platforms * Collaborate with engineers, product partners, QA, and architects to deliver solutions * Troubleshoot production issues and improve reliability and scalability * Write clean, maintainable, and well\-tested code * Participate in system design, code reviews, and technical decision\-making * Improve delivery practices through CI/CD automation and engineering best practices **Requirements** * 3\+ years of professional software development experience * Strong Java and Spring Boot experience * Solid REST API design and microservices architecture knowledge * Experience with relational databases such as PostgreSQL, MySQL, or SQL Server * Experience with JPA/Hibernate or similar persistence frameworks * Strong analytical and problem\-solving skills * Upper\-Intermediate English proficiency (B2\) * Strong communication skills for cross\-functional collaboration * Agile/Scrum experience in iterative delivery * Version control experience with Git and collaborative workflows **Nice to have** * Cloud platform experience (AWS or GCP) * Docker experience for containerized development and deployments * Kubernetes experience for orchestration and scaling * OAuth2 experience for secure authorization flows * Single Sign\-On (SSO) experience with common identity patterns **We offer** * International projects with top brands * Work with global teams of highly skilled, diverse peers * Healthcare benefits * Employee financial programs * Paid time off and sick leave * Upskilling, reskilling and certification courses * Unlimited access to the LinkedIn Learning library and 22,000\+ courses * Global career opportunities * Volunteer and community involvement opportunities * EPAM Employee Groups * Award\-winning culture recognized by Glassdoor, Newsweek and LinkedIn *EPAM is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, age, sexual orientation, gender identity or expression, disability, protected veteran status, or any other characteristic protected by applicable law.*