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-have5+ 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
• Azure Machine Learning
• Experience with:

Lang

• Chain
• Lang
• Graph
• Lang
• Fuse
• Familiarity with:

PyTorch

• Tensor
• Flow
• Pandas
• Experience building GenAI or LLM-based solutions.

Knowledge of CI/CD pipelines and MLOps practices.

What we're looking forWe value people who:

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 offerFully 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.