Job Openings Lead Data Scientist (AdTech)

About the job Lead Data Scientist (AdTech)

Our customer, an established company in the mobile ad tech space, is hiring a Lead Data Scientist to oversee the strategic and technical direction of its Data Science function. The role focuses on building advanced ad optimization models, mentoring a team, and enhancing data infrastructure. Deep experience in Python, cloud-based ML stacks, and Ad Tech is essential.

Must be based in or willing to relocate to Barcelona, Spain.

Key Responsibilities

  • Lead data science strategy aligned with business goals, especially revenue and ad optimization.

  • Mentor a growing team, driving innovation and collaboration.

  • Build scalable machine learning models for ad targeting, bidding, and performance.

  • Maintain and adapt efficient data pipelines and model deployment processes.

Essential Skills & Requirements

  • 5+ years in data science roles (product-focused environments preferred).

  • 2+ years in AdTech and in leadership roles.

  • Strong background in Python, SQL, PySpark, Pandas, and AWS.

  • Experience with deep learning libraries (e.g., PyTorch, Hydra, Comet).

  • Strong grasp of machine learning and statistical modeling.

  • Effective communicator in cross-functional settings.


Package Details

  • Very competitive compensation, benchmarked against top-tier tech companies in the region
  • Full relocation support, including family members
  • Flexible work options
  • Strong benefits package
  • Clear paths for growth in a fast-scaling company