Senior Python&Java Developer with Apache Spark

Jit Team is a Polish IT company employing over 770 experienced experts, delivering innovative IT solutions in cooperation with clients worldwide. They have a decade-long relationship with a leading Nordic financial group, serving as their premier Polish partner with over 200 personnel engaged in more than 60 projects, focusing on Scandinavian culture, work-life balance, and international teams.

• 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
• Proficiency with CI/CD tools such as Bamboo, Jenkins, and Bitbucket
• Experience working in Agile teams and ability to work independently in fast-paced environments
• Strong analytical and problem-solving skills

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 with non-functional requirements 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 integrating solutions with third-party systems (e.g., case management systems)
• A strong "can-do" attitude and effective collaboration in cross-functional teams

• 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 ownership, innovation, and delivery excellence