Senior Java Developer / Tech Lead
22,500 - 27,720 PLN net B2B
About the project
We’re looking for experienced Senior Java Developers / Java Tech Leads to join our team and work on a range of dynamic fintech projects. You’ll have the opportunity to contribute to solutions for both Polish and international banks, as well as financial institutions specializing in banking operations. Whether you’re passionate about building scalable backend systems, integrating with complex APIs, or developing secure transaction flows – we have a place for you in projects that drive real impact in the financial sector.
Contract duration: min. 6 months (depending on the project)
Tasks
develop features according to provided requirements
design APIs
participate in defining requirements
integrate services with internal and third-party services
communicate with customers to clarify requirements
write unit tests
create project documentation
participate in code reviews
refactor code when appropriate
bugfixing
cooperate with project managers, developers, testers, and devopses
Must have
5+ years of experience with writing server side applications
expert knowledge of Java (minimum 8, we use the latest version)
good knowledge of Spring framework (we use Spring Framework 5 and Spring Boot 2)
experience with SQL (MySql, PostgreSQL)
advanced ability to design RESTful API
decent knowledge of HTTP protocol
ability to write clean, extensible and testable code
familiarity with distributed systems architecture
very good command of written and spoken Polish (min. C1 level) and English (min. B2 level)
Nice to have
familiarity with Containerisation (e.g. Docker)
knowledge of Kotlin
experience with AWS and CI/CD tools
experience with NoSQL databases (ElasticSearch, MongoDB, DynamoDB)
experience with Message Brokers
experience in AI-powered code completion and assistance tools such as GitHub Copilot and Tabnine
proficiency in modern AI-enhanced IDEs, including JetBrains IDEs, Cursor and Trae
familiarity with AI-assisted test generation and debugging tools, such as Qodo
Perks & benefits
ambitious, creative, talented & highly experienced team
contributing to projects for clients all over the world
flexible working hours and a possibility to work remotely
Ready to join us?
Senior Java Developer / Tech Lead
Hi there! We’re going to lead you through your recruitment journey. Our mission? Making the whole process as stress-free as possible. Keep calm and feel free to ask. We thank all applicants for their interest, however, we will only contact selected candidates in response to submitted applications.
Sylwia Szatara
HR & Recruitment Lead
Anita Kuźmik
Recruitment Specialist
All right, it’s done
We need some time to review your application. If we’re a perfect match, we’ll get in touch with you shortly.
Thank you!