Data Science Team Lead
At a glance
Senior Data Science role at Smadex SLU. Barcelona · full-time.
Pay not stated Data Science salary
dataroles summary, based on the employer's posting.
What you'll do
- Lead and coach a team of data analysts, while setting their priorities and improving how requests move through the workflow
- Examine real-time bidding data to explain auction behavior, market shifts and potential revenue gains
- Build automated, self-service reporting that gives teams access to data without repeated custom extracts
- Set up peer review, data checks and documentation, maintaining statistical quality in analysis, models and dashboards
- Work with product, data science and engineering peers to monitor performance signals and guide product choices
What you bring
- A quantitative technical degree, such as in engineering, statistics or another listed field
- At least five years in data analysis or business intelligence, including digital advertising or marketplace work
- Three or more years guiding data professionals as a team lead, technical lead or manager
- Expert SQL skills and the ability to use Python or R notebooks independently for advanced data work
- You can explain technical findings clearly to executives and other non-technical colleagues
Who this fits
This role suits an experienced data analyst or BI professional who has led data specialists and can work hands-on with large datasets. You must already have authorization to work in Spain, as visa sponsorship is unavailable. The role manages a team of three to five analysts. You can work from home two days per week and have flexible hours.
From the employer
About 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..
Your tasks and 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.
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.
Please note that we do NOT provide VISA sponsorship. Candidates without a work authorization to work in Spain won't be considered.
What is in it for you:
- 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!
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