Lead Data Scientist (Open To Relocate To Barcelona)

Babel Profiles; España; Híbrido; EUR 50.000 - 70.000; Jornada completa

Descripción de la vacante

A global technology company in Spain is seeking a seasoned Lead Data Scientist. The role involves setting the vision for the data science team, overseeing robust model designs, and optimizing data pipelines. Candidates should have over 5 years of experience in data science, 2 years in leadership, and a strong background in ad-tech. The position offers a competitive salary, hybrid working model from Barcelona, and opportunities for professional growth and development.

Servicios

Competitive salary

Hybrid working model

Comprehensive benefits package

Opportunities for professional development

Flexible work hours

Formación

• 5+ years in data science within product-centric contexts.
• 2+ years leading teams.
• Experience training deep neural networks.

Responsabilidades

• Define and drive the team’s data science roadmap.
• Grow, coach, and support data scientists.
• Oversee design and deployment of robust models.

Conocimientos

Data analysis

Statistical techniques

Machine learning

Team leadership

AdTech knowledge

Educación

Degree in a quantitative field

Herramientas

Python

SQL

PySpark

Pandas

AWS or equivalent

Descripción del empleo

Would you like to be part of a dynamic, international environment full of opportunities?

¿Tiene lo que se necesita para triunfar? La siguiente información debe ser leída atentamente por todos los candidatos.

Our client is a fast-growing, global technology company on a mission to elevate mobile app monetization. With hubs in Spain, Poland, and the United States and a distributed team worldwide, they champion diversity, collaboration, and innovation. They are expanding in Barcelona and seeking a seasoned Lead Data Scientist to set the vision, scale impact, and guide a high-performing data science team in ad‑tech.

Main responsibilities

• Set vision : Define and drive the team’s data science roadmap aligned with revenue optimisation and ad‑tech objectives.
• Lead & mentor : Grow, coach, and support data scientists, fostering a collaborative, curious, and high‑standard culture.
• Build at scale : Oversee design and deployment of robust models for targeting, bid strategy, and performance analytics.
• Optimize pipelines : Ensure data flows and model lifecycles are efficient, reliable, and adaptable to evolving requirements.
• Partner cross‑functionally : Collaborate with product, engineering, and business stakeholders to turn requirements into measurable impact.

Core skills / experience

• Education : Degree in a quantitative field (Computer Science, Mathematics, Statistics, or related disciplines).
• Experience : 5+ years in data science within product‑centric contexts.
• 2+ years leading teams.
• Substantial exposure to ad‑tech.
• Analytics & ML : Strong command of statistical techniques and machine learning, with a track record of extracting actionable insights from complex datasets.

Technical toolkit

• Programming : Advanced proficiency in Python and SQL.
• Data frameworks : Hands‑on with PySpark and Pandas for large‑scale data manipulation.
• Cloud : Comfortable with cloud services (e.g., AWS or equivalent).
• Deep learning : Experience training DNNs with modern libraries and tooling (e.g., PyTorch, Hydra, Comet).
• Experience in the AdTech industry is required.

What's on offer

• Competitive salary.
• Hybrid working model from Barcelona's Hub (relocation package is included).
• Comprehensive benefits package.
• Opportunities for professional development and growth.
• Flexible work hours and vacation policy.
• Great opportunity to kick‑start your career in Data Science.

Our recruitment process?

• Step 1 : Interview with our Recruiter to get to know you.
• Step 2 : Interview with our client's HR Team.
• Step 3 : Technical interview.
• Step 4 : Interview with Hiring Manager.