Senior Fullstack developer (AdTech & Data Platform)

emagine is looking for a Senior Full Stack Engineer to join a team focused on building scalable systems for tracking, attribution, and data-driven marketing.Start: ASAP or within 1 monthDuration: 12 monthsLocation: Stockholm, 2-3 days/week at the officeAbout the roleAdTech Platform OwnershipOwn and manage paid media AdTech platforms, including an MMP such as AppsFlyerIntegrate, optimize, and evaluate new vendors and capabilitiesMeasurement & AttributionEnsure reliable event tracking, attribution, and data quality across platformsCollaborate with consent/privacy teams to meet regulatory requirementsFirst-Party Data & ActivationEnable scalable audience creation and activation for acquisition and retargetingImprove automation and experimentation velocityCustomer Link InfrastructureBuild and maintain systems for link generation, redirection, and attributionSupport flows across paid media, CRM channels, referrals, and web-to-app journeysReliability & OperationsEnsure high availability, monitoring, and observability of tracking systemsMaintain and troubleshoot AdTech-related services and pipelinesYour profileFull Stack JavaScript (Node.js, TypeScript) in scalable systemsData pipelines and orchestration (e.g. Apache Airflow)Distributed systems, APIs, cloud infrastructureExperience with data flows, tracking, or integrationsAdTech/MarTech experience is a plus