Job Summary: We are seeking a Martech Data Engineer (CDP Specialist) to join our team, focused on architecting Customer Data Platform (CDP) and Identity Resolution solutions. Key Highlights: 1. Work at the intersection of Data Engineering, CRO, Martech, and Growth. 2. Lead the development of the CDP strategy and unification of user profiles. 3. Work in a collaborative, high-performance environment. At NIO, we believe technology connects people and transforms the future. We are an innovative company focused on excellence, operating with a dynamic and collaborative culture. Our team works autonomously, passionately, and committedly—always striving for the best results. At NIO, we believe technology connects people and transforms the future. We are an innovative company focused on excellence, operating with a dynamic and collaborative culture. Our team works autonomously, passionately, and committedly—always striving for the best results. We are looking for a Martech Data Engineer (CDP Specialist) to join our team. The ideal candidate will sit at the intersection of Data Engineering, CRO, Martech, and Growth, possessing deep technical expertise to architect Customer Data Platform (CDP) and Identity Resolution solutions. This role requires mastery of the GCP stack to transform raw data into customer intelligence (Single Customer View), as well as ensuring data collection integrity via GA4 and GTM. It is an opportunity for those who want to solve complex data unification challenges and directly impact customer acquisition and retention efficiency. **Responsibilities and Duties** * Architect and lead the development or implementation of the CDP (Customer Data Platform) strategy, centralizing data from multiple sources. * Develop and maintain complex Identity Resolution (Identity Graph) logic to unify anonymous and identified user profiles. * Manage marketing data pipelines in the GCP environment (BigQuery, Dataflow), ensuring data cleansing and availability. * Ensure technical governance of GTM (Google Tag Manager) and GA4, implementing robust data layers and monitoring tracking quality. * Build integrations for data activation (Reverse ETL) with media platforms (Google Ads, Meta, CRM). **Requirements and Qualifications** * Proven experience building, architecting, or technically managing CDPs (either via commercial tools or composable architecture in a Data Warehouse). * Advanced proficiency in the GCP (Google Cloud Platform) stack, with mandatory focus on BigQuery and advanced SQL. * Deep knowledge of Identity Resolution (deterministic and probabilistic methods, ID unification). * Technical mastery of GA4 (raw data export) and GTM (server-side, complex tag implementation, and JavaScript customization). * Experience with programming languages for data manipulation (Python or SQL). * Strong analytical skills to diagnose data discrepancies across platforms. * Bachelor’s degree in Computer Science, Engineering, Statistics, or related fields. * Familiarity with Reverse ETL tools (e.g., Hightouch, Census) is a strong plus. * Understanding of Data Clean Rooms and privacy architecture (a plus). **Additional Information** Benefits: * Meal Allowance and/or Food Voucher * Transportation Voucher * Health Insurance * Dental Insurance * Life Insurance * Private Pension Plan * Profit-Sharing Program (PPR) * Pharmacy Allowance * Daycare Allowance * Flexible Working Hours * V.tal Benefits Club * Extended Maternity Leave (6 months) * Extended Paternity Leave (20 days) **THE FUTURE STARTS HERE—AND WE’LL BUILD IT WITH YOU** ---------------------------------------------------------------- **We are V.tal, a company born with the purpose of enabling digital connection and transforming people’s lives.** We work to help position Brazil among the world’s most digitally advanced countries—promoting digital inclusion, accelerating new businesses, and stimulating regional development. This is possible because we launched with Brazil’s largest fiber-optic network and a team that makes things happen. We are a neutral, shared network—collaborating with operators, ISPs, and partners of all sizes and regions. And this fills us with pride. Our robust infrastructure enables us to offer broad coverage and reach, helping our customers go further while optimizing their investments. **OUR TEAM** We are connected, agile, and driven by outstanding results. Our workplace is light-hearted because it is built by people who collaborate, trust one another, and celebrate every achievement. Here, we don’t make excuses—we find solutions. With this high-performance team, we work daily to position Brazil among the world’s most digitally advanced countries—promoting digital inclusion, economic development, and social progress. **CHECK OUT OUR CORE PRINCIPLES** **We play fair and trust each other.** **Continuous evolution and learning is our mantra. Without learning, there is no evolution.** **We are obsessed with excellence and high performance. The pursuit of results happens daily in every decision.** **Work hard, play hard! We are focused and maintain a healthy environment.** **DO YOU IDENTIFY WITH OUR PROPOSAL? THEN JOIN US TODAY TO BUILD THE FUTURE!** Remember that internet that just works? That connects you seamlessly to what truly matters—without unpleasant surprises? We know the telecommunications market needs to change—and we’re here to make it happen. We are **Nio**, a technology company delivering fiber-optic internet solutions for homes and businesses across Brazil. Already serving **approximately 4 million customers**, and this is only the beginning. **Why does Nio exist?** **Our mission:** To accelerate the evolution of people and businesses through technology. **Our essence:** We look at people—and look ahead. Because we believe innovation only makes sense when it improves people’s lives. And this applies not only to our customers—but also to those who make it all happen: **the people who work here.** **Working at Nio means…** Being part of a company that puts the customer at the center of everything. Having autonomy and room to grow. Working alongside people who believe in what they do. Building something new, in a collaborative and energetic environment. **We’re just getting started—and you can be part of this transformation. Join Nio and help create Brazil’s new digital era!**