> Markdown version of [/jobs/ext/3663672-senior-ruby-on-rails-engineer](https://www.wearedevelopers.com/jobs/ext/3663672-senior-ruby-on-rails-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Ruby On Rails Engineer - **Company:** Sorcer - **Location:** Málaga, Spain - **Salary:** €80,000.0 - **Contract:** Permanent contract - **Skills:** Application Programming Interfaces (APIs), Big Data, PostgreSQL, Ruby on Rails, Redis, Systems Integration, Backend, Integration Tests, Solid Principles - **Published:** October 10, 2026 - **Apply:** https://www.buscojobs.com.es/senior-ruby-on-rails-engineer-en-malaga-ID-374770795 ## About the Role 10+ years of commercial experience with Ruby on Rails Experience working on high?scale, production systems Strong understanding of software design principles & best practices Proven ability to think strategically and align tech with business goals Ownership mindset with a proactive, problem?solving approach Experience working with large datasets and third?party integrations Nice to Have Experience with Redis, PostgreSQL, Sidekiq, Hotwire Knowledge of mobile ad monetisation ecosystems Strong background in unit & integration testing ## Description 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, PostgreSQL, 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 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.#J-*****-Ljbffr