Full Stack AI Engineer | Python | Hybrid Madrid

🚀We are looking for the very Top Talent…and we would be delighted if you were to join our team!

More in details, UST is a multinational company based in North America, certified as a Top Employer company with over 35.000 employees all over the world and presence in more than 30 countries. We are leaders on digital technology services, and we provide large-scale technologic solutions to big companies.

🔎 What are we looking for?

We are looking for a Full Stack AI Engineer with strong experience in Python backend development and React frontend development, capable of building end-to-end, AI-driven web applications.

The ideal candidate is hands-on, works comfortably across the full stack, and collaborates closely with product and UX teams to deliver scalable and maintainable solutions.

📍Location: Hybrid. Madrid city center (Sol area). 3 days a week in the office.

📋Language: English is a must. Spanish desirable.

📋 Main Job Requirements

• Proven experience as a Full Stack Developer, preferably in AI-related projects
• Strong backend development skills in Python using frameworks such as FastAPI, Flask, or Django
• Solid experience building modern, responsive frontends with React (component-based architecture, state management, responsive UI)
• Good knowledge of API design (RESTful and/or GraphQL) and integration between frontend, backend, and databases
• Solid understanding of relational databases and data workflows
• Experience integrating and optimizing API endpoints and data pipelines
• Familiarity with CI/CD pipelines, Git, automated testing, and code review practices
• Strong understanding of software design principles: scalability, modularity, maintainability, and security
• Excellent problem-solving and debugging skills across the full stack
• Bachelor’s or Master’s degree in Computer Science, Software Engineering, IT, or a related field
• Strong soft skills: autonomy, attention to detail, ability to prioritize tasks, and effective collaboration with cross-functional teams
• Continuous learning mindset, especially in AI and machine learning technologies

📋Work schedule

Business Hours. No intensive working days for friday or summer.

💰What can we offer?

✈️ 23 days of Annual Leave plus the 24th and 31st of December as discretionary days!

❤️ Numerous benefits (Health Care Plan, teleworking compensation, Life and Accident Insurances).

🍴 `Retribución Flexible´ Program: (Meals, Kinder Garden, Transport, online English lessons, Health Care Plan…)

🎓 Free access to several training platforms

🚀 Professional stability and career plans

🚶 UST also, compensates referrals from which you could benefit when you refer professionals.

🔗 The option to pick between 12 or 14 payments along the year.

🏡 Real Work Life Balance measures (flexibility, WFH or remote work policy, compacted hours during summertime…)

🎁 UST Club Platform discounts and gym Access discounts

📧 If you would like to know more, don’t hesitate to apply and we’ll get in touch to fill you in detail. We are waiting for you!

In UST we are committed to equal opportunities in our selection processes and do not discriminate based on race, gender, disability, age, religion, sexual orientation or nationality. We have a special commitment to Disability & Inclusion, so we are interested in hiring people with disability certificate.