Data Engineer / Data Scientist (AI & LLM Solutions) Expert
Tech Stack
Job Description, Responsibilities & Requirements
About the Position
We are looking for a hands-on Data Engineer / Data Scientist with a strong Python background and experience in AI-driven solutions. This role combines solid data engineering capabilities with analytical and modeling skills. You will focus on 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.
Responsibilities
- Implement data processing pipelines using Python and PySpark
- Develop supervised and unsupervised machine learning models
- Build and evaluate LLM-based and Generative AI solutions (prompting, orchestration, evaluation)
- Develop analytical and alerting models for financial crime detection
- Perform business-oriented data analysis and functional design
- Work within the Big Data ecosystem to process and transform large datasets
- Optimize distributed data processing jobs (Spark)
Requirements
- Minimum 5–6 years of commercial experience in similar roles
- Very good knowledge of Python 3.x
- 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
- Experience with Agentic AI frameworks and AI agent development
- Knowledge of LLMs and Generative AI (prompt engineering, orchestration, evaluation)
Nice to Have
- Experience in financial services or transaction monitoring
- Experience in Anti-Financial Crime (AFC) domain
- Experience working in regulated environments
We Offer
- Hybrid work in one of our locations: Łódź, Poznań, Kraków, Warszawa, Wrocław (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
- 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
About the Company
We are GFT Poland. WE KNOW how to tackle complex issues with an innovative approach to deliver the highest value. Our reputation has been built around one simple rule: we do not overpromise, WE DELIVER. We deliver to our employees, clients, and partners. WE GROW as you grow, so investing in you is our business strategy. Caring for each other is our priority. WE CARE who you are, what you need, how you feel. WE CARE to smile, have fun, and develop as human beings.
Why Choose GFT?
- A culture of top performance
- Deep tech IT engineering & consulting
- 1200 skilled & top-class experts
- 77% of the team are regular/senior
- Products that contribute to a sustainable world
- Competitive salary and benefits
- Ambitious projects, trainings, and tools you need to flourish
- Google Cloud Partner of the Year - for going above and beyond for customers
Locations
- Warszawa, PL
- Kraków, PL
- Poznań, PL
- Łódź, PL
Salary
- 18 800 - 28 500 PLN gross/month