We are working with a product‑led company looking to hire aSenior Rails Developerto 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 RoleAs 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 forDeveloping 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 For10+ years of commercial experience withRuby on RailsExperience working onhigh‑scale,



production systemsStrong understanding ofsoftware design principles & best practicesProven ability to think strategically and align tech with business goalsOwnership mindset with a proactive, problem‑solving approachExperience working withlarge datasetsand third‑party integrationsNice to HaveExperience withRedis, Postgre SQL, Sidekiq, HotwireKnowledge ofmobile ad monetisation ecosystemsStrong background inunit & integration testingWhy JoinWork on ahigh‑impact, scalable productJoin a team that valuesownership and engineering excellenceOpportunity to influencearchitecture and technical directionFast‑paced environment with real product visibilityUp to €80k basic (this can be B2 B 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