Senior Data Scientist

🚀 Senior Data Scientist

 Location: Poland (Remote)
Employment Type: Full-Time

Experience Level: Senior (+5 Years)



Join the Future of Digital Tech with Kolomolo

At Kolomolo, we don’t just follow trends - we set them. As a global supplier of IT services and digital modernization solutions, we help businesses embrace cutting-edge technology to optimize their operations. Now, we are growing and looking for fresh talent to grow with us.

Are you proactive, tech-savvy, and eager to build your career in IT? This role could be your perfect fit.

About the Role

We are seeking a Senior Data Scientist with a passion for machine learning and a track record of deploying models into production. You will be part of collaborative, commercially-focused projects involving diverse, high-volume data sets. Our data teams work closely with cloud architects, software developers, product managers, data engineers, and business stakeholders to create AI-powered, scalable solutions for operational optimization, predictive maintenance, and intelligent monitoring systems across modern cloud infrastructures.

 What You’ll Be Doing

• Take technical ownership of advanced analytics projects, driving the development of machine learning and AI solutions in an agile, fast-paced environment.
• Partner with product managers and stakeholders to translate business challenges into clear, actionable data science solutions.
• Analyze historical operational and telemetry data to uncover trends, patterns, and insights that support product and service enhancements.
• Lead the development, preparation, and validation of data sets for machine learning applications, ensuring data quality, consistency, and security.
• Design and implement predictive, prescriptive, and descriptive models using industry-standard tools and frameworks.
• Engage with subject matter experts to understand domain-specific challenges and incorporate operational knowledge into data science solutions.
• Write clean, efficient, and well-documented code to support data processing, modeling, and visualization workflows.
• Share insights and recommendations with technical and non-technical audiences through clear reports and presentations.
• Mentor junior team members and contribute to the continuous improvement of team processes and methodologies.

 What We Are Looking For

Bachelor’s or Master’s degree in Computer Science, Data Science, Mathematics, Engineering, or a related STEM field.

5+ years of hands-on experience in applied data science, analytics, or machine learning, preferably within commercial or infrastructure-focused projects.

Strong foundation in building and deploying predictive and prescriptive analytics models.

Proficiency in Python and popular data science libraries (such as Pandas, Scikit-learn, PyTorch, TensorFlow, Keras).

Experience working with cloud-based environments (AWS, Azure, or GCP) and big data tools.

Familiarity with data visualization tools like Tableau, Power BI, or Python-based libraries (Plotly, Seaborn).

Expertise in querying and managing large databases (PostgreSQL, Hive, SQL, or similar).

Understanding of MLOps principles and experience with the full data science lifecycle - from problem scoping to model deployment and monitoring.

What is in It for You

 Competitive salary and benefits

 Career development opportunities in a growing tech company

 Continuous learning culture: mentorship, internal training, and certifications

 Flexible, agile work environment (remote, hybrid, or on-site in Kraków

 Office perks: great coffee, tea, fresh fruit, snacks, and a fun atmosphere

 Flat management structure, where your voice matters

 Regular team events and a social, supportive work culture

 B2B contract or Contract of Mandate (Umowa Zlecenie)

🌟 Why Join Kolomolo?

At Kolomolo, we prioritize innovation, agility, and autonomy. Our teams have the freedom to own their work, share ideas, and make meaningful contributions. Inspired by Scandinavian values, we believe in work-life harmony and creating an inclusive culture where everyone thrives.

You will be part of a passionate,