Senior Java Consultant

Type of contract: B2B contract Salary range: 125-160 PLN/H What will you do? As a Senior Java Consultant, 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 Requirements 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 Opennes to work hybrid from our client's office (Kraków) 6 days a month 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