Senior Data Scientist GenAI

Position We are currently looking for a candidate for the position of Senior Data Scientist GenAI & RAG for our client from the life science industry. Additional Information CZĘŚĆ NIEOBOWIĄZKOWA
- możesz tutaj umieścić dodatkowe informacje nt projektu/klienta, branży, modelu pracy (hybryda, zdalnie), wymiaru FTE, itd., ale też o samej pracy, np. dla FullStack Deva o podziale pracy pomiędzy backend i frontend] Offered salary

Salary:
from [...] to [...] PLN net/day, depending on experience and competences. You’re ideal for this role if you:
• Have strong hands-on experience in Data Science, Machine Learning, and Python, with a passion for building production-ready AI solutions.
• Have practical experience designing and developing Retrieval-Augmented Generation (RAG) pipelines and integrating Large Language Models (LLMs).
• Understand embeddings, semantic search, vector databases, and retrieval optimization — and know

how to apply
them to real-world challenges.
• Are comfortable working with complex, structured and unstructured datasets to uncover meaningful insights.
• Know how to evaluate and improve AI/ML model performance, accuracy, and reliability.
• Have experience with at least one major cloud platform — AWS, Azure, or GCP.
• Write clean, scalable, maintainable Python code and think beyond experimentation.
• Bring a product mindset, take ownership, and enjoy collaborating with cross-functional teams.
• Are curious about Agentic AI, LangChain, LangGraph, LlamaIndex, and emerging GenAI technologies — bonus points if you've already worked with them. Your day-to-day responsibilities include: Our recruitment process Call with our Recruiter -> Call with our Business Manager -> Meeting with Client If necessary, after call with the Recruiter, we also invite you to an additional technical verification stage. Need more information? Contact me: [twój adres e-mail] Please be informed that we will contact only selected candidates, based on the relevant experience mentioned in the CV.

What We Offer
• Long-term collaboration
• Technical training, certifications, and skills development
• Competence Center mentoring
- being a member of the Competence Center community from day one is an opportunity to develop your skills, participate in various conferences, and share knowledge and experience with people who face the same challenges every day
• Clear career path
• Employee benefits package (Multisport, private healthcare, life insurance)
• Friendly working atmosphere, team-building events, and team-building meetings Referral system It’s not about you? Recommend us your friend and get a bonus up to 7,000 PLN Link: https://astek.pl/system-rekomendacji/ Information clause The controller of the personal data is ASTEK Polska sp. z o.o. with its registered office in Warsaw, Al. Jana Pawła II 22, 00-133 Warszawa, Poland. You have the right to access your data, the right to request deletion of data, etc. Detailed information regarding processing can be found HERE: http://astek.pl/polityka-prywatnosci You have the right to withdraw your consent at any time. If you withdraw your consent, please contact us by e-mail at privacy@astek.net or in writing to the administrator's address. Procedure for reporting by whistleblowers at ASTEK Polska sp. z o. o. [Link] Ref number [tutaj dodaj numer oppa z Boonda, np AO123456]