Frontend Developer Intern at Titan OS in Barcelona, Catalonia, Spain

Frontend Developer Intern

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

As a Frontend Developer Intern, you’ll join our frontend engineering team to help craft the user-facing side of our Smart TV applications. Under the guidance of senior engineers, you’ll contribute to architecture discussions, implement interactive UI components, and support the deployment processes for features used by millions of viewers.

Key responsibilities:

• Design, develop, test, and document UI components and pages using modern web technologies.
• Participate in peer reviews; collaborate with backend engineers, product managers, and UX designers to deliver cohesive features.
• Follow sprint ceremonies, maintain clear documentation, and keep tickets up‑to‑date.

Requirements

What makes you a great fit:

• Pursuing a Bachelor’s or Master’s degree in Computer Science, Software Engineering, or a related field.
• Familiarity with JavaScript and at least one modern framework (ideally React).
• Solid understanding of HTML5, CSS3 (including Flexbox/Grid), and responsive design principles.
• Exposure to frontend testing tools or frameworks (e.g., Cypress, Jest); eagerness to learn test‑driven development.
• Experience consuming RESTful APIs from coursework or personal projects.
• Strong verbal and written skills; ability to give and receive feedback in a team setting.

Desirable skills

• Coursework or personal projects using React, including hooks and component architecture.
• Familiarity with the HTML5 video element and libraries like HLS.js or Shaka Player.
• Interest in improving web accessibility and optimizing load times.

Benefits

Reasons to apply:

• Compensation in line with the internship program
• Opportunity to be part of a dynamic and collaborative international environment
• Hands-on experience and exposure to real business projects
• Opportunity to learn and develop your skills alongside an experienced team
• 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.