121 316
18 150
Senior Java Miejsce pracy: Warszawa Technologies we use Expected Java Spring / Spring Boot Spring MVC JPA/Hibernate About the project Rate: 1 200 - 1 300 PLN per day - B2B We are seeking a Senior Java Developer to contribute expertise in backend engineering for one of the leading global payments technology environments. This long-term opportunity offers a hybrid work model with 1 day per week onsite presence in either the Warsaw or Gdańsk office (approximately 4 days per month), providing the chance to help shape and elevate backend systems, microservices, and APIs that power high-impact financial solutions in the payments landscape - a sector central to today’s digital commerce and real-time transaction processing. Your responsibilities Design and implement backend systems using Java and modern frameworks Develop microservices and REST/SOAP-based APIs Take part in architecture reviews focused on optimization and scalability Debug, profile, and optimize applications Write clean, maintainable technical documentation Work with distributed systems and containerized environments Our requirements 7 years of experience in Java development Expertise in Java 8 platform Solid experience with Spring / Spring Boot, Spring MVC, JPA/Hibernate Strong background in microservices, including Kafka or equivalent messaging systems Deep understanding of SOA principles and web services (REST & SOAP) Experience with relational and NoSQL databases Exposure to containerization technologies (Docker) and orchestration Familiarity with Git (version control), Maven, Jenkins, or similar build/CI tools Experience with frontend technologies (React or advanced JavaScript) is a plus Optional Prior experience with cloud platforms (e.g., Azure, AWS) Knowledge of automated testing and deployment practices Work Model: Hybrid: 1 day per week from the Warsaw or Gdańsk office (4 days per month)