Senior Data Engineer / Data Scientist (AI & LLM Solutions)

Type of contract: employment contract

Salary range: 15 800 – 24 300 PLN gross/m

What will you do?

We are looking for a hands-on Senior Data Engineer / Data Scientist with a strong Python background and proven experience in AI-driven solutions. This role combines data engineering expertise with analytical and modeling capabilities. You will be responsible for building scalable data pipelines and developing AI/ML and agent-based solutions leveraging LLM technologies. You will join the Transaction Monitoring area within the Anti-Financial Crime Division at one of our UK banking clients, contributing to advanced analytics and intelligent automation initiatives.

Your tasks

* Design and develop scalable data pipelines

* Build and optimize AI/ML models

* Develop agent-based solutions using modern Agentic AI frameworks

* Work with LLM and Generative AI solutions (prompting, orchestration, evaluation)

* Process and transform large datasets using distributed computing frameworks

* Collaborate with stakeholders to translate business needs into technical solutions

Your skills

* Minimum 4 years of commercial experience in similar roles

* Very good knowledge of Python 3.x

* Experience with Agentic AI frameworks and AI agent development

* Experience with GCP, VertexAI, Google ADK

* Knowledge of LLM and Generative AI (prompt engineering, orchestration, evaluation)

* Experience with PySpark and distributed data processing

* Practical experience within the Big Data ecosystem

* Experience in developing analytical or alerting models

* Solid understanding of data pipelines and scalable data architectures

* Strong analytical and problem-solving skills

* English level B2+

We offer you

* Hybrid work in one of our locations: Lodz, Poznan, Krakow, Warszawa, Wroclaw (2 office days per week)

* Working in a highly experienced and dedicated team

* Benefit package that can be tailored to your personal needs (private medical coverage, sport & recreation package, lunch subsidy, life insurance, etc.)

* On-line training and certifications fit for career path

* Access to e-learning platform

* Mindgram - a holistic mental health and wellbeing platform

* Work From Anywhere (WFA) - the temporary option to work remotely outside of Poland for up to 140 days per year (including Italy, Spain, the UK, Germany, Portugal, and Bulgaria)

* Social events