Senior Java Developer

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?

#LI - Hybrid: 1-2x/week from the office in Warsaw

What you'll be doing

Develop applications using Java and Spring Boot.
Design and implement microservices.
Build and enhance REST API solutions.
Develop event-driven communication mechanisms.
Integrate applications with databases and external systems.
Create unit and integration tests.
Participate in code reviews and ensure coding best practices.
Optimize the quality 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.

Ready to take the next step?

Submit your application! We look forward to reviewing your profile 😊

Know someone who might be a great fit?
Feel free to share this opportunity using the referral link: Mindbox Referrals System