Python/Java Developer for Transaction Monitoring

Ework GroupGdańsk, Łódź, Gdynia, Warsawnofluffjobspublished 10/14/2026
Must-have:PythonJavaCI/CDSecurity

Daily tasks

  • Design, implement, and optimise data pipelines to support end-to-end capital-markets AML detection scenarios.
  • Implement detection logic, rule frameworks, and scoring components to support 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.

Requirements

  • Strong programming skills in Python and Java.
  • Advanced experience with Apache Spark (PySpark), SQL for large-scale distributed data processing.
  • Hands-on experience in distributed compute platforms and on-premise cluster environments.
  • Proficiency with CI/CD tools such as Bamboo/Jenkins, and Bitbucket.
  • Experience working in Agile teams, with the ability to work independently in fast-paced, evolving environments.
  • Strong analytical and problem-solving skills with the ability to adapt quickly.

Nice to Have

  • Understanding of Capital Markets products including FX, Equities, Derivatives, and Bonds etc.
  • Previous experience in Financial Crime, AML, or surveillance use cases.
  • Experience implementing rule-based detection systems, scorecards, or alerting frameworks.
  • Experience delivering against NFRs such as performance, scalability, observability, data quality, resiliency, and security.
  • Experience with automation, including automated pipeline deployment, data validation, testing frameworks, and workflow orchestration.
  • Experience in integrating the solutions with the third party systems (like case management systems).
  • A strong “can-do” attitude and the ability to collaborate effectively in a cross-functional team.

Must have: Python, Java, PySpark, SQL, CI/CD