IT Developer (Python & Java)

• Banking

• B2B up to 170 zł/h

• Hybrid work 3 days per week in the office in Warsaw or Gdańsk/Gdynia or Łódź

Introduction & Summary

This role demands exceptional programming abilities, with a strong emphasis on Python and Java, along with substantial experience in big data environments like Apache Spark. As a key player in capital markets AML detection scenarios, the individual will contribute to innovative solutions and high-quality engineering practices.

Main Responsibilities

• Design, implement, and optimise data pipelines to support end-to-end capital-markets AML detection scenarios.

• Implement detection logic, rule frameworks, and scoring components for financial-crime use cases.

• Ensure high-quality engineering across code, data pipelines, and operational processes.

• Contribute to a greenfield architecture with a strong sense of ownership, innovation, and delivery excellence.

Key Requirements

• Strong programming skills in Python and Java.

• Advanced experience with Apache Spark (PySpark) and SQL for large-scale distributed data processing.

• Hands-on experience in distributed compute platforms and on-premise cluster environments.

• Familiarity with high-quality engineering practices.

• Ability to implement complex detection logic.

Nice to Have

• Understanding of Capital Markets products including FX, Equities, Derivatives, and Bonds.

• Previous experience in Financial Crime, AML, or surveillance use cases.

• Experience implementing rule-based detection systems, scorecards, or alerting frameworks.

• Experience delivering against NFRs like performance, scalability, observability, data quality, resiliency, and security.

• Experience in integrating solutions with third-party systems.

• A strong “can-do” attitude and effective collaboration skills in a cross-functional team.