Titan OS), the Barcelona-based technology, entertainment, and advertising company is looking for you
Role overview We are looking for a Senior Golang Engineer 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.
The backend is the backbone of our business, enabling seamless interactions between our customers and our platform. 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.
6 years of professional experience as a Backend Engineer, working on large‑scale systems.
~ 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

📌 Senior Golang Developer (Barcelona)
🏢 Titan Operating System
📍 Barcelona