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

Type of contract: employment contractSalary 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 pipelinesBuild and optimize AI/ML modelsDevelop agent-based solutions using modern Agentic AI frameworksWork with LLM and Generative AI solutions (prompting, orchestration, evaluation)Process and transform large datasets using distributed computing frameworksCollaborate with stakeholders to translate business needs into technical solutions Your skills Minimum 4 years of commercial experience in similar rolesVery good knowledge of Python 3.xExperience with Agentic AI frameworks and AI agent developmentExperience with GCP, VertexAI, Google ADKKnowledge of LLM and Generative AI (prompt engineering, orchestration, evaluation)Experience with PySpark and distributed data processingPractical experience within the Big Data ecosystemExperience in developing analytical or alerting modelsSolid understanding of data pipelines and scalable data architecturesStrong analytical and problem-solving skillsEnglish 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 teamBenefit 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 pathAccess to e-learning platformMindgram - a holistic mental health and wellbeing platformWork 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