Senior Data Scientist

October 10, 2026

Remote

Lead

Warsaw, Poland

Description

We are looking for an experienced Senior Data Scientist to take a key role in developing, scaling, and maintaining advanced risk models and Generative AI solutions. The role bridges deep analytical and numerical expertise with strong technical leadership, translating complex business problems into high-impact AI solutions. The position involves designing LLM-powered workflows and multi-agent systems, collaborating with business stakeholders, and mentoring junior team members.

Responsibilities

Lead the end-to-end development, deployment, and maintenance of predictive risk models and Generative AI applications
Design and build advanced LLM-powered workflows and multi-agent systems using modern GenAI frameworks
Work closely with business users and stakeholders to translate requirements into scalable, production-ready data science solutions
Coordinate team workflows, foster best engineering practices, and mentor junior team members or interns
Experiment with emerging numerical methods and AI technologies to keep the solution stack at the cutting edge

Requirements

Proficiency in Python, knowledge of C++ is a strong plus
Hands-on experience with PyTorch and TensorFlow
Practical expertise with LangChain / LangGraph, LlamaIndex, and Pydantic-AI
Familiarity with Django or Flask for serving models and creating web applications
Strong command of SQL and Git version control
Proven track record in senior data science roles, ideally within finance, banking, or risk
Strong foundation in numerical methods and Big Data analysis, academic or R&D institute background is highly valued
Demonstrated capability to coordinate project teams and lead initiatives

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