Location:
Remote Madrid, Spain (local

working hours
) About MediaRadar: 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. We're looking for a Senior Software Engineer to join our Client Apps team and independently own complex, ambiguous problems across our platform. As part of this effort, MediaRadar is consolidating products, each currently running on separate databases, onto a single ClickHouse source of truth. Agentic Coding: Hands-on, daily use of agentic coding tools (Claude Code) in Visual Studio or VS Code is a must. Core: Expert-level Python (FastAPI), C#, and React/TypeScript. Data: Strong SQL; Cloud: Hands-on deployment experience with Azure and/or AWS. Version Control: Git (GitHub). Design, build, and own complex, ambiguous features end-to-end, operating with minimal supervision. Creative Intelligence Migration: Lead engineering work to migrate the standalone Creative Intelligence application into the broader Insights Studio suite. Unified Data Platform: Help move Insights Studio applications onto a single ClickHouse backend, consolidating data from Publisher Intelligence, Sports, and MediaRadar Classic. Performance & Scale: Tune query performance and data loading across large, fast-growing advertising datasets. Drive testing, observability, code quality, and documentation standards across your area of ownership. Cross-Functional Partnership: Collaborate day to day with developers in India and engineering peers in Toronto, and partner with Product, Data, and Operations on technical roadmap and integration strategy. Experience Level: 5–8 years of professional software engineering experience (Senior, individual contributor). Full-Stack Expertise: Expert-level Python (FastAPI) with strong C# and React/TypeScript; Agentic/AI

Experience:
Proven, hands-on experience building with agentic coding tools (Claude Code) and AI-driven development workflows. Data-Heavy Background: Track record of performance tuning, loading and querying large datasets; ClickHouse or other columnar/analytical databases strongly preferred. Cloud: Proven experience deploying and operating systems on Azure and/or AWS. General Scope: Comfortable working across distributed, international teams spanning Spain, India, and North America. Software Rigor: Strong grasp of architecture and design patterns, with a track record of mentoring other engineers. Kubernetes and ArgoCD. Migrating Insights Studio data onto ClickHouse and optimizing performance at scale. 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 (España)
🏢 MediaRadar
📍 España