Data Science Team Lead

As a Data Science Lead, you will bridge the gap between complex big data , strategic business and product decisions. You will lead a talented team of 3 to 5 data analysts, overseeing the analysis of massive programmatic advertising datasets. You will be responsible for ensuring high-quality insights to shape your product development..

About smadexslu

• Smadex is a leading advertising technology company founded in Barcelona in 2011 and sold to American-based and stock-listed Entravision in 2018 (NYSE::EVC).
• We are a fully transparent platform built with top technology, countless programmatic management features and powerful machine learning algorithms to help advertisers grow their business at scale.
• We are currently considered one of the top mobile ad-tech companies in the world.

Responsibilities

• Lead, mentor, and scale a team of 3-5 data analysts.
• Own the team’s operational workflow, prioritize incoming analytical requests from cross-functional stakeholders, and optimize delivery timelines.
• Deep-dive into massive, fast-moving RTB datasets to decode auction dynamics, diagnose market fluctuations, and identify revenue opportunities; translate these findings into automated, self-service BI frameworks that democratize data access and eliminate ad-hoc extraction across the business.
• Define and implement frameworks for peer review, data validation, and documentation.
• Ensure that all insights, models and custom dashboards delivered by the team meet the highest standards of statistical accuracy.
• Work directly with Product Management, Data Science, and Engineering as a technical peer to define how performance signals are monitored, and translate complex data trends into actionable product decisions.
• Drive the strategy for automated reporting and data democratization, reducing ad-hoc data extraction requests and enabling other teams to make data-driven decisions independently.

Requirements

• Technical degree in a quantitative field such as Engineering, Statistics, Mathematics, Economics, or Data Science.
• 5+ years of experience in data-heavy analysis or business intelligence roles, with a proven track record in digital advertising or marketplace environments.
• 3+ years of experience leading, managing, or mentoring a team of data professionals (as a Team Lead, Tech Lead, or Manager).
• Expert-level mastery of SQL and strong capability to work independently in Python or R notebooks for advanced data manipulation.
• Excellent written and verbal communication.
• Ability to synthesize complex technical anomalies or analytical conclusions into clear executive summaries for non-technical stakeholders.
• Please note that we do NOT provide VISA sponsorship.
• Candidates without a work authorization to work in Spain won't be considered.

Benefits

• Integrate a highly motivated, young and dynamic team Great compensation package Top location at the heart of Barcelona with a rooftop terrace, Barbecue, and a fully stocked fridge Great work-life balance: work from home (2 days per week), flexible hours Meal vouchers - Ticket Restaurant monthly allowance Monthly gym allowance: Choose between DiR and Wellhub LinkedIn Learning and training opportunities Monthly TGIF events Regular team-building events Fun and friendly work environment with talented marketers and engineers from over 40 countries And more!