Senior Java Developer/Developerka
Summary
Mindbox is hiring a Senior Java Developer to join a client's team building enterprise business systems on a microservices architecture — developing Spring Boot applications, REST APIs, and event-driven integrations, writing tests, and participating in code reviews. Hybrid setup: 1-2 days per week from the Warsaw office.
At Mindbox we connect top IT talents with technology projects for leading enterprises across Europe.
We are looking for an experienced Senior Java Developer to join our client's team and contribute to the development of business systems built on microservices architecture. This role involves creating new functionalities as well as enhancing integrations between applications.
Sounds like your kind of challenge?
What you'll be doing
- Develop applications using Java and Spring Boot.
- Design and implementmicroservices.
- Build and enhanceREST API solutions.
- Developevent-driven communication mechanisms.
- Integrate applications with databases and external systems.
- Createunit and integration tests.
- Participate incode reviews and ensure coding best practices.
- Optimize thequality and performance of solutions.
- Collaborate closely with analysts, testers, and architects.
Note: Detailed project information will be shared during the recruitment process.
What you get in return
- Flexible cooperation model
- Hybrid work setup – 1-2x/week from the office in Warsaw
- Collaborative team culture – work alongside experienced professionals eager to share knowledge
- Continuous development – access to training platforms and growth opportunities
- Comprehensive benefits – including Interpolska Health Care, Multisport card, Warta Insurance, and more
- High quality equipment – laptop and essential software provided
Who we're looking for
- 5+ years of experience with Java.
- Strong knowledge of Spring Boot.
- Proven experience with microservices architecture.
- Practical knowledge of REST API.
- Experience with Apache Kafka or RabbitMQ.
- Familiarity with Oracle or PostgreSQL.
- Ability to write reliable unit tests.
- Knowledge of Git, Maven, and CI/CD tools.
- Good command of English and Polish to ensure effective technical communication.
Nice to have
- Experience with Azure.
- Knowledge of Kubernetes or AKS.
- Familiarity with GitLab or Jenkins.
- Previous experience in financial or insurance sectors.
- Hands-on work with high-availability systems.
Joining this project you’ll become part of Mindbox – a tech-driven company where consulting, engineering, and talent meet to build meaningful digital solutions. We’ll back you up every step of the way, accelerate your development, and ensure your skills make a difference.