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 Engineer

with strong experience in

Python backend development and React frontend development , capable of building end-to-end, AI-driven web applications.

The idóneo 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-function

📌 Full Stack Engineer | Python (Madrid)
🏢 UST España & Latam
📍 Madrid