Backend Developer

Backend Engineer (Hybrid – 2 days/week in the office) We are looking for an experienced Backend Engineer to join a high-performing engineering team. In this role, you will be responsible for building scalable, high-quality backend systems and contributing to modern architecture initiatives. Responsibilities • Design and develop highly scalable, performant, and fault-tolerant applications • Contribute to the evolution of Microservices and Event-Driven Architecture • Collaborate with Solution Architects and Tech Leads to translate technical designs into production-ready solutions • Design systems with a strong focus on security, infrastructure, and data governance standards • Contribute to system and API design, ensuring modularity and maintainability • Ensure coding standards and promote best practices in development, testing, and documentation • Mentor junior engineers, conduct code reviews, and provide technical leadership • Ensure compliance with relevant controls, standards, and service management practices • Deliver high-quality solutions on time, aligned with business expectations • Support team engagement, ownership, and a sustainable, high-quality delivery pace Requirements • Strong experience with Java 8+, Spring Framework, Spring Boot, Spring Cloud • Hands-on experience with Kubernetes, Docker, databases, and public cloud platforms • Deep understanding of Microservices Architecture and Event-Driven Architecture • Strong knowledge of design patterns and principles (focus on scalability and maintainability) • Expertise in designing and developing APIs (REST, GraphQL) • Experience with both SQL and NoSQL databases (e.g. Oracle, PostgreSQL, MySQL, MongoDB, Cassandra) • Experience with messaging/middleware technologies (e.g. Kafka, IBM MQ, RabbitMQ) • Understanding of security mechanisms (JWT, OAuth, TLS, authentication & authorization) • Experience with DevOps tools and CI/CD pipelines (e.g. Jenkins, GitLab, Kubernetes, Docker) • Proven experience in technical leadership and working with cross-functional teams • Ability to deliver end-to-end business applications with high quality and low maintenance overhead • Basic understanding of frontend-backend integration Why apply for an Antal job offer? When your application is successful, you will be supported by a dedicated Consultant who will stay in regular contact with you (via email or phone), help you prepare for interviews with your future employer, and ensure a smooth and professional recruitment process. About Antal Antal is a leading recruitment and HR advisory company, present in Poland since 1996 and later expanded to the Czech Republic and Hungary. Across the CEE region, we employ around 150 professionals who deliver a full range of services – from specialist and executive recruitment, employee outsourcing and HR consulting, to employer branding and market research. Our division-based structure combines deep industry expertise with functional specialisation, enabling us to provide tailored solutions for companies in every sector. We act as a trusted partner for both employers and candidates, sharing our knowledge and guiding them through every stage of the talent journey. We connect exceptional people with the right opportunities and help organisations build successful teams. Discover our latest job openings: https://en.antal.pl/candidates Follow us on LinkedIn: https://www.linkedin.com/company/antalpoland