Backend Engineer JAVA / Spring Boot - HYBRID MADRID

UST

Madrid, EShybridPosted Jul 8, 2026
Posting intelligenceActively listedReposted 28×, possible evergreen/ghost posting

Skills

kubernetesspringdockeroracleopenaikafkahelmjava

About the role

Role description

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 in digital technology services, providing large-scale technological solutions to major companies.

What are we looking for?

We are looking for an experienced Backend Engineer (Java / Spring Boot) to join our team and contribute to the design, development, and deployment of scalable backend systems in a modern microservices environment.

The ideal candidate will have strong hands-on experience with Java, Spring Boot, and event-driven architectures using Kafka, working closely with cross-functional teams to deliver high-quality, resilient, and scalable solutions.

Location: Hybrid – Madrid

Working model: 3 days at client´s office, Sol area, next to the underground.

Language: Advanced English (B2+ / C1 required)

Responsibilities

Work together in a cross-functional team using agile methodologies as part of a DevOps-centric model.

Design, implement, deploy, release, and monitor applications, participating in pull request reviews

Understand business needs by collaborating with stakeholders across different divisions.

Participate in planning and feature refinement sessions with your team.

Collaborate with Solution Architects to design solutions aligned with overall architecture standards.

Actively contribute to engineering communities, sharing knowledge and best practices.

Deliver high-quality code aligned with company guidelines and standards.

Key Requirements

Minimum 4+ years of backend development experience

Strong hands-on experience with Java and Spring Boot

Experience building and consuming RESTful APIs

Solid background in event-driven architecture using Kafka (with Avro)

Experience working with microservices architectures

Hands-on experience with Kubernetes and Docker deployments

Proven experience applying TDD / BDD methodologies

Experience in DevOps environments, including production support and incident management (log debugging, monitoring, etc.)

Experience supporting and maintaining legacy applications

Nice to have

Experience with Helm

Knowledge of OpenAPI specifications

Experience with SQL (Oracle)

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 Insurance)

Flexible compensation plan (meals, transport, childcare, English lessons, healthcare…)

Free access to training platforms

Professional stability and career development plans

Referral bonus program

Choice between 12 or 14 salary payments

Work-life balance measures (flexibility, hybrid work, summer hours…)

Discounts on UST Club platform and gym Access

If you would like to know more, don’t hesitate to apply and we’ll get in touch to give you more details. 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.

Skills

java,spring boot,sql,openai,

About UST

UST is a global digital transformation solutions provider. For more than 20 years, UST has worked side by side with the world’s best companies to make a real impact through transformation. Powered by technology, inspired by people and led by purpose, UST partners with their clients from design to operation. With deep domain expertise and a future-proof philosophy, UST embeds innovation and agility into their clients’ organizations. With over 30,000 employees in 30 countries, UST builds for boundless impact - touching billions of lives in the process.

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