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Data Science Team Lead

Hybrid in Barcelona·Full-time·Added 3 months ago

This job was published 3 months ago

Smadex

22 open roles

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Overview

Job details

Full-time hours
Per the ad.
Hybrid
Office and home days — the ad has the split.

Requirements

Have the right to work in Spain
Smadex doesn't mention sponsorship in the ad.
Work in English
English is required, per the ad.
Be near Barcelona for hybrid days
No relocation package mentioned.
Have 5+ years of experience
Lead-level role.
University degree
“Technical degree in a quantitative field such as Engineering, Statistics, Mathematics, Economics, or Data Science.” — per the ad.

Pay & benefits

What you'll get

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!

Visa & relocation

Please note that we do NOT provide VISA sponsorship. Candidates without a work authorization to work in Spain won't be considered.

The role

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..

What you'll do

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.

Empower Self-Service BI:

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.

Skills and 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).
Fluency with Big Data: 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.

About Smadex

Smadex is a Madrid-based advertising technology company specializing in programmatic mobile advertising and performance marketing. The company provides a demand-side platform (DSP) that enables advertisers to run targeted campaigns across mobile apps and web, with a strong focus on data-driven optimization and creative innovation. Smadex operates globally, with a team of over 100 professionals serving clients across Europe, the US, and other international markets.

Smadex's headquarters and main engineering hub are in Madrid, Spain, making it a key player in the local AdTech ecosystem. The company is known for its collaborative, data-centric culture and invests heavily in machine learning, data science, and creative technology. For international professionals, Smadex offers the opportunity to work in a fast-growing, global-facing company in the heart of Spain, with roles spanning engineering, data science, product, and creative strategy.

Industry: AdTech
Founded: 2011
Employees: 100–500
Headquarters: Madrid, Spain
In Spain: Madrid
Website: smadex.com

Good to know if you are moving

Smadex is headquartered in Madrid, Spain, offering international professionals the chance to work in a vibrant European capital with a growing tech scene.
The company operates globally, with clients and partners across Europe, the US, and Asia, providing exposure to international markets.
Smadex focuses on data-driven advertising, making it an attractive employer for data scientists, machine learning engineers, and product managers.
The company has a strong emphasis on creative technology, with roles like Creative Technologist and Game Developer for playable ads, offering unique opportunities in the AdTech space.
Smadex is a mid-sized company, allowing employees to have a significant impact on products and processes.

In their own words

About the company & team

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.

All open roles at Smadex