Titan OS), the Barcelona-based technology, entertainment, and advertising company, is looking for you
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.
Designing and developing highly scalable backend services and APIs to support front-end applications and third-party integrations
Building and maintaining databases, ensuring data is stored securely and can be accessed efficiently
Collaborating with front-end developers, DevOps, and product teams to define and implement new features
Optimising the performance and reliability of server-side code to ensure seamless user experiences
Ensuring the security of backend systems through the implementation of best practices and security protocols
Writing clean, maintainable,



and well-documented code, adhering to industry standards and team best practices
Monitoring and troubleshooting production systems, ensuring high availability and rapid response to issues
7 years of professional experience as a Backend Engineer, working on large-scale systems
~ Proficiency in Ruby on Rails
~ Strong knowledge of database systems (SQL and NoSQL), with experience in designing efficient data architectures
~ Experience with cloud platforms like AWS, GCP, or Azure, and familiarity with containerization tools like Docker and Kubernetes
~ Solid understanding of RESTful API design and development, including experience integrating third-party services
~ A strong focus on performance optimization, scalability, and security
~ A Bachelor's degree in Computer Science, Software Engineering, or a related field is preferred but not required
~ Strong communicator and fluent in English

Private health insurance

📌 Backend Senior Developer Ruby on Rails H/F (España)
🏢 Titan OS
📍 España