Full Stack Engineer - Treasury Technology

Full Stack Engineer – Treasury Technology

Location: Kraków (hybrid model – 5 days/month onsite)Rate: 180–230 PLN/h + VAT (B2B)Start date: ASAPIndustry: Finance / BankingContract type: B2B

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About the project:

We are looking for an experienced Full Stack Engineer to join an international team building a new, strategic platform for the Treasury department of a global financial institution. The initiative is part of a major transformation program aimed at consolidating legacy systems and onboarding new use cases into a modern, scalable architecture.

The platform will support key financial metrics such as Net Interest Income, Daily Gap, and RWA, and will be based on components like FLEX (data ingestion & processing) and MEX (model execution platform). It will integrate with trusted data sources such as FOTC/FCDP, RADAR, TM1, and Polaris.

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Your responsibilities:

• Join a rapid development pod to accelerate onboarding of new use cases

• Support and mentor less experienced developers in platform architecture and methodology

• Work across pods to help unblock teams and boost delivery

• Contribute to high-level solution design and simplify integration of use cases

• Collaborate closely with business and technical stakeholders

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Must-have skills:

• 5+ years of commercial experience as a Java Developer

• Strong knowledge of microservices architecture

• Experience with Kubernetes deployments

• Familiarity with:

  • Apache Flink

  • Apache Airflow

  • PostgreSQL

  • Clickhouse

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Nice-to-have skills:

• Experience with message queues: Kafka or Google Pub/Sub

• Basic Python skills

• Knowledge of access/entitlement management systems (e.g., OPAS)

• Background in data warehousing or large-scale data platforms

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We offer:

• Long-term contract with a global organization

• Hybrid work setup (5 days/month onsite in Kraków)

• Flexible working hours

• Collaboration with senior-level engineers in a modern tech environment

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Interested in shaping the future of Treasury technology?Apply now and become a part of a key digital transformation in the financial world!

To learn more about Antal, please visit www.antal.pl