Transaction Monitoring Developer Warszawa Expert B2B 1 100 – 1 450 PLN/day

Jit; Polska; Hybrid; PLN 240,000 - 360,000; Full time

Benefits offered by this job

Flexible work organization

International work environment with英语

Scandinavian culture and training (fin

Job summary

Jit is seeking a skilled data engineer to join a greenfield AML platform project for capital markets. You will design and optimize scalable data pipelines, implement rule-based detection, and collaborate with cross-functional teams to deliver high-performance distributed processing solutions.

Responsibilities include developing in Python, Java, PySpark, and SQL, ensuring data quality, observability, and regulatory compliance in an Agile environment.

Qualifications

• Strong Python and Java programming experience.
• Hands-on PySpark and SQL for large-scale data processing.
• Experience with distributed computing platforms and on-premise environments.
• Knowledge of CI/CD practices and tools such as Jenkins, Bamboo, Bitbucket.
• Understanding of Capital Markets products including FX, Equities, Derivatives, Bonds.

Responsibilities

• Design, develop, and optimize AML detection data pipelines for large-scale capital markets.
• Implement and enhance detection rules, scoring models, and alerting frameworks.
• Process and analyze high-volume datasets using Python, Java, PySpark, and SQL.
• Collaborate with cross-functional teams to deliver distributed data processing solutions.
• Contribute to greenfield AML platform architecture and engineering standards.

Skills

Python

Java

PySpark

SQL

Tools

Apache Spark

Jenkins

Bitbucket

CI/CD

Job description

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

You will be involved in a financial project focused on building a next-generation AML (Anti-Money Laundering) detection platformfor capital markets. The project aims to develop scalable data pipelines, rule-based detection frameworks, and scoring componentsthat identify suspicious trading activities across asset classes such as Equities, Derivatives, Bonds, and FX. You will contribute to the design and implementation of high-performance distributed data processing solutions while ensuring data quality, scalability, reliability, and operational excellence. Working within an Agile environment, you will help shape a greenfield architecture and deliver innovative solutions supporting financial crime prevention and regulatory compliance.

Responsibilities you’ll have

• Design, develop, and optimize AML detection data pipelines for large-scale capital markets environments.
• Implement and enhance detection rules, scoring models, and alerting frameworks supporting financial crime prevention initiatives.
• Process and analyze high-volume datasets using Python, Java, PySpark, and SQL.
• Collaborate with cross-functional teams to deliver scalable and reliable distributed data processing solutions.
• Contribute to the development of a greenfield AML platform, driving architecture, engineering standards, and best practices.
• Ensure high levels of performance, scalability, data quality, observability, and resilience across the solution landscape.
• Develop and maintain CI/CD pipelines and support automation of deployment, testing, and validation processes.
• Integrate AML solutions with third-party systems, including case management platforms and other enterprise applications.
• Participate in Agile ceremonies, technical discussions, code reviews, and continuous improvement initiatives.
• Support the delivery of innovative solutions that strengthen regulatory compliance and financial crime detection capabilities.

Expected competences and knowledge

• Strong programming skills in Python and Java.
• Hands-on experience with Apache Spark (PySpark) and SQL for large-scale data processing.
• Experience working with distributed computing platforms and on-premise environments.
• Knowledge of CI/CD practices and tools such as Jenkins, Bamboo, and Bitbucket.
• Understanding of Capital Markets products, including FX, Equities, Derivatives, and Bonds.
• Experience in AML, Financial Crime, Surveillance, or rule-based detection systems will be an advantage.
• Familiarity with automation, testing frameworks, and integration with third-party systems.
• Strong analytical mindset, problem-solving skills, and ability to work effectively in an Agile environment.

Technologies you’ll work with

• Python
• Java
• PySpark
• SQL
• Scale
• Jenkins
• Bitbucket
• CI/CD
• Distributed Computing
• Capital Markets Platforms

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 770 experienced experts, to whom we offer developmental projects, a wide range of benefits, and a proprietary professional development programme. Together with clients from around the world, we create innovative IT solutions delivered by highly specialised and efficient teams.

Behind our maxim are also charitable and educational activities. We support schools, universities, and educational institutions by conducting workshops, running educational projects, sponsoring events, and donating learning equipment. We offer internships that help launch careers in IT. We support water rescuers and hospitals by providing the necessary equipment. We also support numerous charitable organisations helping people in need, children, and the elderly. We are a Polish company and we share what we have achieved over more than 15 years of activity. By supporting local initiatives, we contribute to the circulation of good energy.

Here’s how we get from first “hello”
to “welcome aboard”

You’ll meet with our HR team to discuss your experience, approach to software development, and teamwork. We’ll also verify your English language proficiency as part of the conversation. Then, you’ll take part in atechnical interview focused on your skills and problem-solving mindset.

We believe agreat workplace is more than aset of benefits. It’s about trust, long-term relationships, and an environment where people can do their best work.

Share and gain experience. Jit Academy is aplatform serving amutual knowledge exchange. Lecture others and share your expertise or join the audience.

Jit Communities

Join the group of experts. We ensure constant growth, that’s why we keep building communities dedicated to mutual education.

Growth support

We value people who are looking to develop their skillset. We proudly finance avariety of courses and certifications so that you can gain new competencies.

Jit Summer Office

Gain access to the office located at the very beach in Chałupy. Jit Trailer awaits visits of the team members and their families.

Jit Boats

Cruise the bay thanks to the motorboat awaiting at the Yacht Park in Gdynia. Furthermore, there is afleet of jet skis and kites located at the beach in Chałupy.

Start the day without haste.
At Jit, we begin and finish the day of work within acertain time frame, in stead of fixed hours.

Bonuses for content creators

We provide bonuses to those willing to participate in industry events as public speakers, and to content creators writing articles for our blog.

Mental health support

Mental health is fundamental. Take advantage of psychologists and psychotherapists’ support and reach for psychoeducational content on the wellbeing platform

We provide our teams with high-quality gear necessary to work. Choose between MacOs or Windows and work the way you prefer.

Teambuilding events

Meet new, interesting people. We’re dedicated to building human relations and often host informal events that bound our team members.

Classes conducted for small groups, lectured
by our teachers, guarantee rapid results.

Take care of your wellbeing. Members of Jit Team, gain access to awide range of medical plans provided by Medicover or PZU.

We provide Multisport and Medicover Sport gym cards so that you can improve your physical condition.

Life insurance

Increase your safety. No matter the form of employment, we provide life insurance plans to our colleagues.