Is this you?
Titan Operating System S.L. (Titan OS), the Barcelona-based technology, entertainment, and advertising company, is looking for you

At TitanOS, we live by three core values:

Make things happen - We take ownership, move fast, and deliver impact

No ego - We collaborate with respect and humility to reach shared goals

Show genuine passion - We love what we do and never stop learning

Role overview:
We are looking for a

Senior Backend 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.

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 Responsibilities





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

Participating in code reviews and contributing to the continuous improvement of development processes

Requirements
What makes you a great fit:

+7 yea

📌 Senior Backend Engineer (Madrid)
🏢 Titan OS Partnership
📍 Madrid