Senior Back-end Developer (Java & Spring Boot)

About the Position

We are looking for a Backend Engineer to design and deliver high-performance backend services and APIs. The role focuses on building scalable microservices with strong reliability, security, and maintainability. While the emphasis is on backend development, familiarity with Angular or React for frontend integration is considered a plus.

Responsibilities

• Design, develop, and maintain backend services and APIs using Kotlin/Java (Spring Boot)
• Implement scalable microservices architectures with high reliability and performance
• Ensure application security, monitoring, and optimization for mission-critical systems
• Write clean, testable, and maintainable code using industry-standard testing frameworks
• Collaborate with cross-functional teams to deliver backend-driven features
• Troubleshoot and resolve complex backend issues, including performance bottlenecks and scaling challenges
• (Optional) Contribute to frontend development using Angular or React

Requirements

• Proficiency in Kotlin or Java with Spring Boot, with proven experience delivering production-grade systems
• Strong understanding of microservices architecture, distributed systems, and event-driven patterns
• Experience with relational and NoSQL databases (e.g., Postgres, MongoDB, CosmosDB), including schema design and performance tuning
• Familiarity with testing frameworks (JUnit, Mockk, Mockito, TestContainers) and test automation practices
• Hands-on experience with CI/CD pipelines, containerization (Docker/Kubernetes), and version control (Git/GitHub/GitLab)
• Knowledge of application security principles (authentication, authorization, data protection)
• Ability to troubleshoot and resolve backend issues in complex environments
• Experience working in Agile/Scrum teams with collaborative development practices
• No visa sponsorship available

Nice to Have

• Frontend: Angular, React, TypeScript/JavaScript (for occasional full-stack contributions)
• Cloud & DevOps: Azure or AWS; Event Grid, Kafka, Event Hub, Key Vault, GitHub Actions, Terraform, Azure Databricks
• CI/CD & Infrastructure: Containerization, pipelines, and infrastructure-as-code

We Offer

By choosing EPAM, you're getting a job at one of the most loved workplaces according to Newsweek 2021 & 2022&2023. Employee ideas are the main driver of our business. We have a very supportive environment where your voice matters. You will be challenged while working side-by-side with the best talent globally. We work with top-notch technologies, constantly seeking new industry trends and best practices. We offer a transparent career path and an individual roadmap to engineer your future & accelerate your journey. At EPAM, you can find vast opportunities for self-development: online courses and libraries, mentoring programs, partial grants of certification, and experience exchange with colleagues around the world. You will learn, contribute, and grow with us.