Senior Data Scientist

We are looking for a Senior Data Scientist who combines strong technical expertise with a business-oriented mindset. This role goes beyond building models – we need someone who can proactively identify opportunities, propose solutions, and translate data-driven insights into measurable business value.

You will work across Data Science, AI, software development, and business initiatives, collaborating closely with engineering, product, and sales teams.

Responsibilities

• Design, build, and optimize machine learning and AI-based solutions.
• Enhance and develop recommendation systems and intelligent data-driven features.
• Integrate and process data from multiple sources.
• Support implementation and migration activities in cloud environments.
• Collaborate with stakeholders to identify business opportunities and validate hypotheses using data.
• Develop production-ready solutions and APIs.
• Support pre-sales and business initiatives by preparing analyses, recommendations, and proof-of-concepts.
• Continuously improve scalability, automation, and quality of delivered solutions.
• Proactively propose new approaches, technologies, and improvements.

Requirements

Must-have

• 5+ years of commercial experience in Data Science, Machine Learning, AI, or related roles.
• Strong Python programming skills.
• Experience with FastAPI or another Python backend framework.
• Practical experience building and deploying machine learning solutions.
• Very good knowledge of Git and software development best practices.
• Experience working with cloud platforms (Azure, AWS, or GCP).
• Strong analytical and problem-solving skills.
• Ability to communicate technical concepts in a business context.
• Experience designing, running, and analyzing A/B tests.
• Proactive attitude and ownership mindset.

Nice-to-have

• Experience with Microsoft Azure, including Azure Functions, Azure Synapse, and Azure Machine Learning.
• Experience with LangChain, LangGraph, and LangFuse.
• Familiarity with PyTorch, TensorFlow, and Pandas.
• Experience building GenAI or LLM-based solutions.
• Knowledge of CI/CD pipelines and MLOps practices.

What we’re looking for

• Think business first and understand the impact of their work.
• Can clearly demonstrate achievements and measurable outcomes from previous projects.
• Take initiative instead of waiting for detailed instructions.
• Are comfortable working across different domains: Data Science, AI, software engineering, and business support.
• Are open to feedback and collaborative problem solving.

What we offer

• Fully remote work within Poland.
• Opportunity to work on AI, Data Science, and software engineering initiatives.
• High level of autonomy and influence on technical decisions.
• Experienced engineering environment focused on delivering measurable business value.