Senior Java Engineer

Type of contract: Employment contract

Salary range: 14600-22300 PLN gross

What will you do?

As a Senior Java Engineer, you will be responsible for designing, developing, and maintaining modern applications built on a microservices architecture. You will contribute across the entire software development lifecycle, support production systems, and work closely with engineering, QA, and business teams to deliver high-quality solutions. You will also help drive DevOps adoption, improve development processes, and mentor less experienced team members.

Your tasks

• Design, build, and maintain efficient, reusable, and reliable Java code


• Develop and maintain microservices-based applications using Java and Spring Boot


• Contribute throughout all phases of the software development lifecycle


• Adopt Agile and DevOps best practices


• Implement test-driven development and collaborate closely with QA engineers


• Improve development team velocity and software quality


• Mentor junior team members and support knowledge sharing


• Support production systems through monitoring, incident resolution, and problem management


• Develop automation tools to improve operational support processes


• Translate business requirements into scalable technical solutions


• Provide innovative solutions to complex technical challenges

Your skills

• 4+ years of hands-on Java development experience


• Experience designing and developing microservices using Java 17/21 and Spring Boot


• Strong knowledge of PostgreSQL


• Experience with DevSecOps pipelines


• 3+ years of experience working in Agile and/or DevOps teams


• Experience using TDD and JUnit


• Experience creating integration and regression tests


• Ability to work across the full software development lifecycle


• Experience translating functional requirements into technical solutions


• Strong analytical and problem-solving skills


• Excellent communication skills


• Self-motivated approach and willingness to learn new technologies

Nice to have

• Experience with AI-assisted development tools such as GitHub Copilot


• Knowledge of Spring Cloud components including Hystrix, Eureka, Zuul, Sleuth, Feign, and Ribbon


• Experience developing distributed applications using Redis, Hazelcast, Oracle Coherence, or similar technologies


• Experience building microservices with REST APIs and messaging solutions


• Knowledge of automated deployment tools such as Ansible


• Experience with Oracle databases


• Experience with TypeScript, Angular, and HTML5


• Cloud experience with GCP or AWS


• Experience with messaging systems such as MQ or Solace

We offer

• Hybrid work in our client's office (Kraków) 6 days a month


• Working in a highly experienced and dedicated team


• Benefit package tailored to your needs (medical, sport, lunch subsidy, life insurance, etc.)


• Online training and certifications


• Access to e-learning platform


• Social events