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Java Developer
  • Kraków
Java Developer
Kraków, Kraków, Lesser Poland Voivodeship, Polska
Clearcourse Development Sp. z o.o.
28. 2. 2026
Informacje o stanowisku

technologies-expected :


  • Java
  • Spring Boot
  • Micronaut
  • Hibernate
  • MSSQL
  • PostgreSQL
  • MySQL
  • Git
  • Docker
  • JUnit
  • a

technologies-optional :


  • React
  • Agular
  • TypeScript

about-project :


  • English languagei: B2+ (most team based in the UK)
  • Our software development team is committed to building great products together. Products that are scalable, easy to maintain, and serve our users with excellence. As a Developer at Swan, your role is not just about writing code. It is about ownership, collaboration, and shaping the future of what we deliver — from the first idea to final delivery and beyond.
  • Contribute across the software lifecycle — from requirement refinement with Product Managers through development, testing, and supporting deployment — working closely with senior engineers to deliver high-quality solutions.

responsibilities :


  • Build and maintain robust, secure, and maintainable software systems — end to end.
  • Develop loosely coupled, layered software components ensuring they are replaceable, testable, and version-controlled with minimal impact on others.
  • Embrace Clean Code and SOLID principles: your code must be clear enough to be understood and extended by others quickly and safely.
  • Participate in technical discussions, dailies and planning meetings, and backlog grooming.
  • Deliver against agreed goals, staying committed and aligned with the team and manager’s chosen direction.
  • Support junior developers through mentoring and lead by example in both quality and attitude.
  • Handle developments, supports and production requests with professionalism, care, and accountability. Consistently demonstrates ownership and follows through to the delivery.

requirements-expected :


  • At least 3 years of Developer experience across these technologies -
  • Backend: Java, Spring Boot or Micronaut – or any other multi-layered architecture framework – and ORMs (e.g. JPA/Hibernate).
  • Relational Databases like MSSQL, PostgreSQL or MySQL.
  • Others: Git, REST APIs, Docker, CI/CD pipelines, testing frameworks.
  • Strong knowledge of Spring Boot or Micronaut frameworks.
  • Solid understanding of RESTful services and API design.
  • Strong understanding of software design principles (SOLID, DRY or Clean Code).
  • Comfortable navigating and maintaining legacy systems when needed.
  • Experience writing unit and integration tests using JUnit or similar frameworks.
  • Experience in agile environments and working with ticketing systems (e.g., Jira).
  • Proficiency with Git and modern development workflows (CI/CD).

offered :


  • Kafeteria MyBenefit + additional private medical care
  • Day off for your birthday
  • Pizza Tuesday
  • KUP benefit
  • Integration meetings
  • No dress code
  • and much more!

benefits :


  • sharing the costs of sports activities
  • private medical care
  • sharing the costs of foreign language classes
  • sharing the costs of professional training & courses
  • remote work opportunities
  • flexible working time
  • fruits
  • integration events
  • no dress code
  • coffee / tea
  • drinks
  • extra social benefits
  • pizza Tuesdays

  • Praca Kraków
  • Kraków - Oferty pracy w okolicznych lokalizacjach


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