Is this you?Titan Operating System S.L. (Titan OS), the Barcelona-based technology, entertainment, and advertising company, is looking for youAt TitanOS, we live by three core values:Make things happen - We take ownership, move fast, and deliver impactNo ego - We collaborate with respect and humility to reach shared goalsShow genuine passion - We love what we do and never stop learningCulture and environment are at the heart of our ethos. If the above resonates with you, keep reading because we believe you could be a perfect addition to our incredible teamRole overview:We are looking for a Senior Backend Engineer (Ruby on Rails Developer) with a deep understanding of server-side technologies and a passion for building highly scalable systems that power industry-leading applications. You will be responsible for designing, developing, and maintaining the backend infrastructure that drives our products and services, ensuring they are secure, reliable, and performant.You’ll be instrumental in architecting and delivering robust solutions that power the core functionality of our business.



This role is for someone who thrives on solving complex problems and is driven by the desire to contribute to a high-impact product every day.Key ResponsibilitiesDesigning and developing highly scalable backend services and APIs to support front-end applications and third-party integrationsBuilding and maintaining databases, ensuring data is stored securely and can be accessed efficientlyCollaborating with front-end developers, DevOps, and product teams to define and implement new featuresOptimising the performance and reliability of server-side code to ensure seamless user experiencesEnsuring the security of backend systems through the implementation of best practices and security protocolsWriting clean, maintainable, and well-documented code, adhering to industry standards and team best practicesMonitoring and troubleshooting production systems, ensuring high availability and rapid res

📌 Senior Backend Engineer (Barcelona)
🏢 Titan OS
📍 Barcelona