We are working with a product‐led company looking to hire a Senior Rails Developer to play a key role in scaling and evolving their backend systems. This is a hands‐on role with real ownership and impact across engineering and product.The Role As a Senior Ruby on Rails Developer, you'll be instrumental in building and maintaining core systems that support a high‐scale, always‐on platform.You'll be responsible for Developing and maintaining backend systems and internal toolsTranslating business goals into scalable technical solutionsMonitoring, troubleshooting, and improving live systems (24/7 environment)Building and enhancing CI/CD pipelines for smoother deploymentsDriving improvements in architecture, performance, and scalabilityIntegrating and maintaining third‐party APIsWhat We're Looking For 10+ years of commercial experience with Ruby on RailsExperience working on high‐scale,



production systemsStrong understanding of software design principles & best practicesProven ability to think strategically and align tech with business goalsOwnership mindset with a proactive, problem‐solving approachExperience working with large datasets and third‐party integrationsNice to Have Experience with Redis, PostgreSQL, Sidekiq, HotwireKnowledge of mobile ad monetisation ecosystemsStrong background in unit & integration testingWhy Join Work on a high‐impact, scalable productJoin a team that values ownership and engineering excellenceOpportunity to influence architecture and technical directionFast‐paced environment with real product visibilityUp to €80k basic (this can be B2B in Europe)High flexibility, full‐remote in EuropeHigh degree of ownership and autonomyBeing part of a small team of highly motivated and talented professionalsPlease apply with an updated CV with contact details to be considered.

📌 Senior Ruby On Rails Engineer (Madrid)
🏢 Sorcer
📍 Madrid