Want to shape how millions of users experience digital products through data and experimentation?
We're looking for a Senior Data Analyst to lead A/B testing and data-driven decision making across the digital user journey. You'll operate at the intersection of product, business, and data, driving measurable impact on customer experience, engagement, and conversion .
What you'll do Lead and scale A/B testing and experimentation frameworks
Partner closely with Product Owners and stakeholders to drive decisions
Turn complex data into clear insights and compelling stories
Contribute to the full lifecycle of data-driven digital products, from the initial ideation stage through to development and performance analysis
Define tracking and measurement strategies across web & app
Own reporting and dashboards for product performance
Drive alignment and evangelize data-driven thinking
What you bring 5-7+ years in Digital Analytics / Data Analysis
Strong expertise in experimentation & hypothesis-driven testing
Advanced SQL skills (BigQuery / Databricks preferred)
Hands-on experience with GA4, tag management (GTM / Tealium)
Experience with Tableau, Looker, Power BI or similar
Strong stakeholder management and communication skills
Comfortable in fast-paced environments
Nice to have Experience with Monetate or similar A/B testing tools




Knowledge of CDP, personalization
Background in Travel, Retail or eCommerce
What do we offer YOU? Permanent contract
30 working days of vacation
Recognition bonus system
Private health insurance
WFH equipment + welcome package
WFH monthly expenses compensation
Access to Udemy courses
Sponsored gym membership
Tax-free benefits (ticket restaurant, kindergarten and transport)
A dynamic and international team
Everyone has a voice;
we are a Holacracy organisation
At Cognizant Netcentric, we embrace an inclusive workplace, one where diversity is not just respected but celebrated. We do not discriminate based on age, gender, race, religion, sexual orientation, disability, or any other protected status. Our doors are wide open to all those who meet our high standards, and we cherish the distinct individuality and unique perspectives in our teams.
We firmly believe that a diverse and equitable workforce is the catalyst for groundbreaking innovation, boundless creativity, and seamless collaboration. We are aware of bias and have established clear criteria to take them out of the decision-making process, ensuring all qualified applicants will receive consideration for employment.
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📌 Senior Data Analyst – Experimentation & Digital Analytics (Madrid)
🏢 Cognizant Netcentric
📍 Madrid