Senior Python&Java Developer with Apache Spark Warszawa B2B 1 000 – 1 200 PLN/day
Senior developer building a greenfield AML/financial-crime detection platform for capital markets: designing large-scale data pipelines and detection-rule/scoring components using Python, Java, Apache Spark (PySpark) and SQL, with CI/CD via Bamboo/Jenkins and Bitbucket. Hybrid work (3 days/week in office) from Gdynia, Gdańsk or Warsaw.
Compensation
PLN 1K–PLN 1.2K / day
Location
Poland
Work setup
Hybrid
Seniority
Senior
Employment
Not specified
Experience
Not specified
Category
Software engineering
Posted
Skills
agile
automation
bitbucket
ci-cd
data-pipelines
data-quality
java
jenkins
macos
observability
pyspark
python
spark
sql
workflow-orchestration
Must have
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
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 integrating solutions with third-party systems (like case management systems)
Strong 'can-do' attitude and ability to collaborate effectively in a cross-functional team
Full description
Work model: hybrid from Gdynia / Gdańsk / Warszawa (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
You will be involved in a financial crime prevention initiative within Capital Markets, focused on building and enhancing transaction monitoring and AML detection solutions. The project includes developing large-scale data processing pipelines, implementing detection rules and scoring models, and contributing to a greenfield platform designed to identify suspicious trading and financial activities across products such as FX, Equities, Derivatives, and Bonds.
Responsibilities you’ll have
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
Expected competences and knowledge
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
Technologies you’ll work with
Python
Java
Apache Spark (PySpark)
SQL
Bamboo, Jenkins, Bitbucket
CI/CD
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 TeamThe 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.
Would you recommend any IT specialist we could hire? Share the contact and gain abonus if we hire them.
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.
Haven’t found asuitable job description, but you
still wanna be apart of The Team?
Let’s talk – your next role might not be listed yet.