Senior Java Developer (m/f/x)

Description

Summary: We are looking for a Java Developer to implement and maintain communication components, optimize code, participate in CI/CD processes, and handle legislative changes. Highlights: 1. Work in a modern, international conglomerate 2. Participation in large, innovative projects 3. Opportunity to work with experts from various fields **Workplace: Gdańsk** **Ref. No.: 05/DSH/EITE/2026** Publication end date: 26\.02\.2026 Cooperation Agreement (B2B) Your responsibilities * Implementation and maintenance of communication components integrating the system with KSeF * Code optimization and ensuring its compliance with performance requirements * Participation in CI/CD processes – code reviews, deploying fixes, maintaining repositories * Handling legislative changes through code and integration modifications * Maintaining technical documentation for code and processes Our requirements * Minimum 5 years of commercial experience as a Java Developer or in a related role * Knowledge of design patterns * Knowledge of microservice architecture * Practical knowledge of CI/CD practices * Experience in implementing unit/integration/UAT tests * Familiarity with and understanding of streaming technologies (Kafka) * Solid knowledge of SQL and relational databases * Practical familiarity with standard developer tools and experience using Spring Boot or Hibernate or JAX\-WS, Maven, GIT, FlyWay or Liquibase, Jenkins, Jira/Confluence or Azure DevOps * Experience in TDD-based programming * English language proficiency sufficient to work with documentation * University degree * Effectiveness in action * Business responsibility * Commitment to continuous development and drawing insights from diverse perspectives * Customer orientation Desirable * Knowledge of Java 8 * Knowledge of Spring and Spring Boot 2 frameworks * Knowledge of SQL and relational databases * Knowledge of SOAP and REST WebServices * Knowledge of Git version control system * Knowledge of Docker environment * Practical knowledge of Linux OS What we offer * Attractive remuneration and stable employment * Diverse team of employees * Work in a modern, international conglomerate * Opportunity to work with experts from various fields * Participation in large, innovative projects * Access to modern tools and working methods * Benefits * life insurance * annual initiatives * sports card