Senior Java Backend Developer
EPAM is seeking a skilled Senior Java Backend Developer who is passionate about building scalable, high-performance backend services and enjoys working on products used daily by thousands of professionals. You will join a collaborative, agile team developing and enhancing a flagship mobile platform and supporting backend services for a leading global property data and analytics company operating in the real estate technology (PropTech) domain. The client delivers data-driven solutions that power the real estate industry across North America, providing critical tools and insights to agents, brokers, and MLS organisations.
Responsibilities
- Design, develop, and maintain scalable backend services using Java and Spring Boot
- Build and enhance RESTful APIs supporting mobile and web applications
- Develop secure, reliable, and high-performance microservices
- Design and optimize database models and data access layers
- Integrate with third-party platforms and external APIs
- Collaborate with mobile developers, frontend engineers, product managers, QA engineers, and architects to deliver high-quality solutions
- Participate in system design, code reviews, technical discussions, and architectural decisions
- Troubleshoot production issues and improve application performance, scalability, and reliability
- Write clean, maintainable, and well-tested code following engineering best practices
- Contribute to continuous improvement initiatives, including CI/CD, automation, and AI-assisted software development practices
Requirements
- 5+ years of professional software development experience
- Strong experience with Java and Spring Boot
- Solid understanding of REST API design and microservices architecture
- Experience with relational databases such as PostgreSQL, MySQL, or SQL Server
- Experience with JPA/Hibernate or similar persistence frameworks
- Knowledge of modern software engineering principles, design patterns, and clean code practices
- Experience with Git and collaborative development workflows
- Familiarity with unit and integration testing frameworks
- Strong analytical, problem-solving, and communication skills
- Ability to work effectively in an Agile/Scrum environment
- Availability to work shifted hours (3:00 PM – 11:00 PM Polish time) to align with the North American-based team
- English proficiency at B2 level or higher
Nice to have
- Experience with cloud platforms (AWS or GCP)
- Experience with Docker and Kubernetes
- Knowledge of messaging technologies such as Kafka or RabbitMQ
- Experience with OAuth2, SSO, JWT, or other authentication mechanisms
- Familiarity with AI-assisted development tools such as GitHub Copilot or Gemini
- Experience working with high-traffic, customer-facing SaaS or mobile backend platforms
- Experience integrating with third-party APIs and enterprise systems
- Background or interest in the real estate / PropTech domain
