Machine Learning Team Leader – Lead AI Solutions

Empower the future of AI — lead innovative machine learning solutions that transform industries!

Warszawa-based opportunity with a  fully remote workmode

As a Machine Learning Team Lead, you will be working for our client, a pioneering organization specializing in advanced AI applications. Your role is vital in delivering high-impact ML scoring solutions, shaping the next generation of sponsored offers, and driving innovation at the intersection of data science and practical deployment. This is your chance to take a leading role in a dynamic environment, shaping technological advancements and accelerating career growth.

Your main responsibilities:

• Lead and ensure on-schedule delivery of high-quality ML scoring solutions, including click and conversion predictions, for sponsored offers.
• Manage training scope for deep learning models, including feature space definition and lifecycle standards.
• Oversee the transition of scoring responsibilities from existing teams, collaborating closely with backend and product stakeholders.
• Provide expert insights into future roadmaps, ensuring alignment with business strategies and technological advancements.
• Drive end-to-end model training initiatives, from data preparation to deployment, ensuring scalability and robustness.
• Collaborate across ML, engineering, and product teams to ensure strategic and operational excellence.
• Maintain and improve cloud-based ML workloads on GCP, utilizing services like Vertex AI, BigQuery, and Cloud Storage.

You're ideal for this role if you have:

• 8+ years of experience in Machine Learning or Data Science in production environments.
• 2+ years of direct people management experience.
• Proven expertise in full model lifecycle: data prep, feature engineering, training, evaluation, and deployment.
• Hands-on skills in Python and SQL, with knowledge of frameworks like PyTorch or TensorFlow.
• Experience operating ML workloads within cloud environments, especially GCP.
• Strong decision-making skills based on metrics such as revenue, GMV, and conversion rates.
• Excellent communication skills in English at least at B2 level.

It is a strong plus if you have:

• Experience in AdTech, recommendation systems, or marketplace ranking at scale.
• Familiarity with CI/CD pipelines, experiment tracking, and feature store integrations.
• Exposure to online inference environments and collaboration with platform teams.
• Background in developing models for pCTR/pCVR prediction.

Language Required for the role:

• Good command of English (at least B2 level), communication skills are essential.

Eligibility for the role:

• Only candidates with an existing legal right to work in the European Union will be considered for this role.

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Interested? Apply now and include your CV (preferably in English) along with a statement confirming your consent to the processing and storage of your personal data.