Is this you? Titan Operating System S.L. (Titan OS), the Barcelona-based technology, entertainment, and advertising company, is looking for you
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 an AI & Content-Recommendation Developer, you'll work with our Machine-Learning and Backend teams to design, train, and deploy the models and data pipelines that decide "what to watch next" on our Smart TV platform.



You'll gain hands-on experience across the full ML lifecycle - from exploratory data analysis through online A/B testing - while shipping features used by millions of viewers worldwide.
Key Responsibilities

Design, build and deploy LLM-powered agents that improve recommendation and information-retrieval experiences
Prototype and train ranking/recommendation models from large-scale interaction logs
Design offline metrics and analyze results. Help set up or monitor online A/B tests; turn findings into iteration plans
Expose recommendation APIs and integrate them with our existing Go / Ruby services
Contribute to CI/CD pipelines for data & model versioning (GitHub Actions, Docker)
Code Reviews & Collaboration: Participate in peer reviews; give and receive constructive feedback. Work closely with product owners and teammates to prioritize and scope tasks
Follow Agile Processes: Adhere to sprint ceremonies, ticketing workflows, and documentation practices
Monitor & Measure: Assist in establishing basic SLAs and KPIs for service performance

📌 AI Engineer (Barcelona)
🏢 Titan OS
📍 Barcelona