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Fullstack Developer

Hybrid in Madrid·Added 1 month ago (last checked 1 Oct)

UST

137 open roles

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Overview

Payments: 12 or 14 salary payments a year
Work mode: Hybrid, Madrid
English: Required
Benefits: Flexible pay plan, gym access

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Skills

Nice to have

Requirements

What we're looking for

Proven experience as a Full‑Stack Developer in enterprise environments.
Strong hands‑on experience with React for frontend development.
Solid experience integrating frontend applications with RESTful APIs.
Proven experience with backend development using Java and Spring Boot or .NET Core / ASP.NET Core.
Experience working with relational databases and SQL (Oracle, SQL Server, or equivalent).
Familiarity with JavaScript / TypeScript and modern frontend practices.
Experience with version control systems (Git).
Understanding of Agile ways of working (Scrum / Kanban).
Basic understanding of CI/CD concepts and DevOps environments.
Awareness of production and operational aspects of applications.
Strong problem‑solving skills and ownership mindset.
Comfortable working in complex, regulated enterprise environments.
Good communication skills and fluency in English.

Pay & benefits

What you'll get

23 days of Annual Leave plus the 24th and 31st of December as discretionary days!
Numerous benefits (Heath Care Plan, Internet Connectivity, Life and Accident Insurances).
`Retribución Flexible´ Program: (Meals, Kinder Garden, Transport, online English lessons, Heath 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, do not hesitate to apply and we'll get in touch to fill you in details. UST is waiting for you!

The role

We are still 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 and Great Place to Work company with over 35.000 employees all over the world and presence in more than 35 countries. We are leaders on digital technology services, and we provide large-scale technologic solutions to big companies.

A Fullstack Engineer with a strong expertise in React and Java or.NET Core to design, develop, and maintain frontend and backend components.

What you'll do

Design, develop, and maintain frontend components using React, aligned with enterprise UI standards.
Implement user interfaces that integrate seamlessly with backend services built in Java (Spring Boot) or.NET Core.
Consume RESTful APIs and ensure correct data handling, error states, and performance.
Design, develop, and maintain backend services in a distributed, service‑oriented architecture.
Write and maintain unit and integration tests across frontend and backend components.
Collaborate closely with backend developers, QA engineers, DevOps, and product stakeholders.
Participate actively in refinement, planning, development, and delivery activities.
Ensure code quality, maintainability, and alignment with architectural standards.
Support applications running in production, including analysis of frontend and backend issues.
Contribute to continuous improvement of development practices, tooling, and technical solutions.

How you'll work

Hybrid. Madrid city center (Sol area). 3 days a week in the office + 2 days remote.

Hiring process

3 steps3 interviews1–2 weeks in all

Learning about who you are
With recruitment team
Conversation about your background and experience; for some roles, a sense of your technical proficiency.
Understanding what makes you tick
What motivates you, your working style and personality, and whether you would thrive in UST and client team dynamics.
Final interview
With future peers, sometimes leadership or the client
Informal chat with your future peers about team fit; depending on the role, members of the leadership team or the client may join.

UST replies within 24 hours of the final interview.
Timing depends on everyone's availability.

About UST

UST is a global digital transformation and IT services company headquartered in Aliso Viejo, California, USA. With over 30,000 employees worldwide, UST partners with major corporations across industries such as banking, healthcare, retail, and manufacturing to deliver technology solutions, including cloud, data analytics, and application development. The company has a strong global footprint with delivery centers across North America, Europe, Asia, and Latin America.

In Spain, UST has a significant presence in Málaga, where it operates a technology and innovation hub. The Málaga office is a key delivery center for European clients, offering roles in software engineering, data, and digital services. UST is known for its collaborative culture and investment in employee development, making it an attractive option for international professionals seeking to work in Spain's growing tech ecosystem.

Industry: Technology
Founded: 1999
Employees: 30,000
Headquarters: Alameda, USA
In Spain: Málaga
Website: ust.com

Good to know if you are moving

UST's Málaga office is part of a growing tech hub in southern Spain, offering a Mediterranean lifestyle with lower cost of living compared to Madrid or Barcelona.
The company provides visa and relocation support for international hires, as part of its global mobility programs.
UST emphasizes continuous learning and offers certifications and training in cloud, data, and engineering.
Málaga has a growing international community and is well-connected by air to major European cities, making it easy for expats to travel.
UST has a diverse workforce with employees from many nationalities, and English is commonly used in the Málaga office.

In their own words

Additional information

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.

All open roles at UST