Senior Java Developer

We are looking for 4 Senior Java Developers, including one Tech Lead, to build integrations for bank deposits and withdrawals.

You will connect banks, including international banks, with an existing payments platform and back-office systems. The platform is already running in production - you will add new integrations, not build it from scratch. You will have opportunity to take part in project for 6 months, 100% remote from any place in Poland. If you have experience in financial, banking industry - new opportunities are waiting for you from January 2027!

• Review the bank’s technical documentation.
• Discuss technical details with the bank or integration provider.
• Prepare the technical design for each integration.
• Develop and test the integration.
• Deploy it to production and set up monitoring using existing company tools.
• Hand over maintenance to an internal team, including documentation and knowledge transfer.

• Senior-level Java experience with microservices – at least 8 years
• Experience connecting external systems using different communication methods.
• Experience with financial industry like banking integrations, bank file formats and payment schemes.
• Ability to turn technical documentation into working solutions.
• Experience testing and deploying backend services.
• English: minimum B2
• Ability to join the project in January 2027 (must have)

• Form of cooperation: B2B contract
• Salary: 160-180 PLN net/h
• 100% remote work – you can work from any place in Poland
• Project for 6 months
• Start: January 2027
• Benefits: Private medical care, Life insurance, Sports card

1. Phone call with a KUBO Recruiter (20–30 minutes).
2. Technical interview
3. Interview with the client
4. Decision and feedback

W KUBO naprawdę zależy nam na ludziach. Zapraszamy osoby w różnym wieku, o różnych tożsamościach
i sposobach funkcjonowania oraz niezależnie od sytuacji zdrowotnej i rodzinnej. Autentyczność jest dla nas wartością, a naszym celem jest uczciwy i otwarty proces dla wszystkich.

At KUBO, we genuinely care about people. We welcome candidates of all ages, backgrounds, identities, family constellations, health situations, and ways of thinking and interacting with the world. You’re welcome to be yourself — we value authenticity, and we’re committed to creating a fair and inclusive process for everyone.