Senior Golang Developer

Titan OS· Technology
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📍 Barcelona, Catalonia, SpainFull time

About this role

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.

Culture 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 team!

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. You will play a key role in building systems that scale efficiently as our user base grows and in integrating cutting-edge technologies to enhance our offerings. 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.
  • +6 years of professional experience as a Backend Engineer, working on large-scale systems.
  • Proficiency in Go.
  • 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.
  • Excellent problem-solving skills and attention to detail.
  • A Bachelor’s degree in Computer Science, Software Engineering, or a related field is preferred but not required.
  • Strong communicator and fluent in English

Reasons to apply:

  • Centrally located office in the heart of Barcelona, with public transportation nearby
  • Competitive compensation
  • Private health insurance
  • Friendly, diverse, and international work environment
  • Opportunity to work outside of your comfort zone and develop professionally in an exciting and fast-growing CTV industry.
  • Change the future of TV! A unique opportunity to join a well-funded, high-growth company in the early stages to help shape a product/business that will impact millions.

If you're excited about this position, don’t hesitate to apply. We’re waiting for you to join us! And if you want to know more about us, follow us on LinkedIn!

Frequently Asked Questions

Is the salary disclosed for the Senior Golang Developer position at Titan OS?
The salary for this Senior Golang Developer role at Titan OS is not publicly listed. Click "Apply Now" to learn more about the compensation package on their official careers page.
Where is the Senior Golang Developer position at Titan OS located?
This Senior Golang Developer role at Titan OS is based in Barcelona, Catalonia, Spain. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
Is the Senior Golang Developer role at Titan OS full-time or part-time?
This is listed as a Full time position. It is posted as a Senior Golang Developer role in the Technology department at Titan OS.
Which team or department does the Senior Golang Developer at Titan OS belong to?
This Senior Golang Developer position is part of the Technology department at Titan OS. See the full job description for more information about the team structure and responsibilities.
How do I apply for the Senior Golang Developer position at Titan OS?
Click the "Apply Now" button on this page. You will be redirected to Titan OS's official application portal hosted on workable where you can submit your application directly.
When was the Senior Golang Developer job at Titan OS posted?
This Senior Golang Developer position at Titan OS was posted on Jul 22, 2026. Apply as soon as possible — early applications are often reviewed first.
Senior Golang Developer
Titan OS
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