Location:
Madrid, Spain (Remote — with regular in-person collaboration at a local WeWork alongside our Madrid tech team) MediaRadar, now including the data and capabilities of Vivvix, powers the mission-critical marketing and sales decisions that drive competitive advantage. Our competitive advertising intelligence platform enables clients to achieve peak performance with always-on data and insights that span the media, creative, and business strategies of five million brands across 30+ media channels.

About the Role
We're looking for a Senior Software Engineer to independently own complex, ambiguous problems across our platform. You'll design, build, and scale systems that power MediaRadar's competitive advertising intelligence platform — with a particular focus on developing agentic, AI-driven capabilities that deliver customizable insights to our clients. Stack Highlights: Core: Strong Python proficiency is a must; comfort with additional languages (C#, Java, Node.js) a plus. Cloud: Hands-on experience with AWS and/or Azure is a must. Data: SQL (SQL Server, Postgres), with Databricks/ETL experience a plus. Productivity: Use of modern AI coding assistants (Copilot, ChatGPT) to accelerate development. Design, build, and own complex, ambiguous features end-to-end, operating with minimal supervision Cloud Architecture: Architect and scale cloud-native systems (AWS/Azure)



that support our expansion from the US into European markets Mentorship: Mentor junior engineers and raise the technical bar across the team through code reviews and shared best practices Drive testing, observability, code quality, and documentation standards across your area of ownership Partner with Product, Data, and Operations to shape technical roadmap and integration strategy across the MediaRadar/Vivvix data platforms Experience Level: 4-6+ years of professional software engineering experience (Senior level) Python: Expert-level Python is required; Cloud: Proven experience architecting and operating systems on AWS and/or Azure is required Background in adtech, advertising, media intelligence, analytics, or sports-media data is highly valued Integral Scope: Comfortable working across distributed, international teams as we expand from the US into Europe Software Rigor: Strong grasp of architecture and design patterns, with a track record of mentoring other engineers Professional fluency in written and spoken English: Global Expansion: Extending our data and attribution capabilities into sports-focused advertising and media verticals In accordance with the EEO-1 reporting requirements, we collect demographic data as part of our efforts to ensure fair and equitable hiring practices across all levels of our organization.

📌 Senior Software Engineer C# (Comunidad de Madrid)
🏢 MediaRadar
📍 Comunidad de Madrid