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

Hybrid15,800 – 24,300 PLN
Warsaw, Poland · Kraków, Poland · Łódź, Poland · Wrocław, Poland · Poznań, Poland

Tech Stack

PythonAIGCP

Job Description, Responsibilities & Requirements

About the Position

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

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.

Responsibilities

  • 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

Requirements

  • 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

  • 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
  • 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

  • Kraków, PL
  • Poznań, PL
  • Łódź, PL
  • Warszawa, PL
  • Wrocław, PL

Salary

15 800 – 24 300 PLN gross/month

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Job Details

Company name:
GFT Poland
Salary:
15,800 – 24,300 PLN
Location:
Warsaw, Poland · Kraków, Poland · Łódź, Poland · Wrocław, Poland · Poznań, Poland
Employment Type:
Contract
Work Mode:
Hybrid
Posted on TheJob:
May 19, 2026
Last checked:
Jul 4, 2026
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