Salary: 135 - 160 PLN net/h + VAT on B2B Work model: elastic hybrid from Gdynia / Gdańsk / Warszawa / Łódź (at least 3 days per week from the office)   Why choose this offer? You can expect a flexible work organization The international work environment will give you the opportunity to interact with the English language on a daily basis Scandinavian organizational culture will provide you with work-life balance, you will gain time for additional training (financed by Jit) The Jit community will bring you a nice time during regular integration meetings   Project We are looking for experienced Data Engineer who will be involved in a financial project focused on Anti-Money Laundering (AML) detection within Capital Markets. The project is built on a greenfield architecture and aims to deliver scalable, high-performance data processing and detection solutions supporting financial crime prevention. You will work on end-to-end data pipelines and detection logic that process large volumes of distributed data, contributing directly to the design, implementation, and optimisation of core AML capabilities. The role offers a high level of ownership, technical influence, and close collaboration within cross-functional Agile teams.   Responsibilities you'll have Design, implement, and optimise data pipelines supporting end-to-end Capital Markets AML detection scenarios Develop and maintain detection logic, rule frameworks, scoring components, and alerting mechanisms Work with large-scale, distributed data using Spark, Spark SQL, and SQL Ensure high-quality engineering standards across code, data pipelines, and operational processes Contribute to the development of a greenfield architecture, promoting innovation and delivery excellence Support non-functional requirements such as performance, scalability, resiliency, observability, and data quality Collaborate effectively within Agile, cross-functional teams and work independently in a fast-paced environment   Expected competences and knowledge Strong programming skills in Python and Java Advanced experience with Apache Spark (PySpark) and Spark SQL for distributed data processing Very good knowledge of SQL in large-scale data environments Hands-on experience with distributed compute platforms and on-premise cluster environments Practical experience with CI/CD tools such as Bamboo, Jenkins, and Bitbucket Experience working in Agile teams Fluency in English (min. B2) Strong analytical and problem-solving skills with the ability to adapt quickly A proactive, can-do attitude and strong collaboration skills Nice-to-have Understanding of Capital Markets products (FX, Equities, Derivatives, Bonds, etc.) Previous experience in Financial Crime, AML, or surveillance systems Experience with automation, including: automated pipeline deployment data validation testing frameworks workflow orchestration Experience integrating solutions with third-party systems    Technologies you'll work with Python Java Apache Spark / PySpark / Spark SQL SQL CI/CD tools (Bamboo, Jenkins) Bitbucket Agile    Client – why choose this particular client from the Jit portfolio? Jit Team has had an over-decade-long relationship with the leading financial group in the Nordic countries, and we are privileged to be our client's premier partner in Poland. At present, over 200 Jit personnel are engaged in the completion of more than 60 projects for this Norwegian major provider of financial services with a global presence and a strong focus on modern technology. Our customer's work atmosphere is epitomized by the Scandinavian culture, which is conducive to people who place emphasis on work-life balance and feedback culture. Furthermore, all projects are executed in international teams, giving constant exposure to the English language.    About Jit Team The Human factor of IT - it's not just a slogan, it's a philosophy. The foundation of Jit Team is people, which is why we prioritise you. We employ over 700 experienced experts. We create highly specialised teams for clients from all over the world. We offer team members developmental projects, a wide range of benefits and a proprietary professional development programme. Behind our maxim are also charitable and educational activities. We support pupils and students by donating learning equipment. We offer internships to help launch careers in IT. We support water rescuers and hospitals by providing the necessary equipment. We are a Polish company and we share what we have achieved over 15 years of activity. By supporting indigenous initiatives, we ensure the circulation of good energy.