JAVA Developer Mid/Senior - Hybrid MADRID

We are looking for Top Talent…and we would be delighted if you joined our team!

More in detail, UST is a multinational company based in North America, certified as a Top Employer company with over 35,000 employees worldwide and a presence in more than 30 countries. We are leaders in digital technology services, delivering large-scale technology solutions for some of the world's leading organizations.

What are we looking for?

We are looking for an experienced Mid Java Developer with a strong background in enterprise application development, system integration, and software quality assurance.

Location:

Hybrid model in Madrid - Sol area (3 days onsite / 2 days remote).

Training:

Full training on the Actico Platform will be provided

• Design, develop, maintain, and enhance enterprise-grade Java applications.
• Develop and integrate RESTful web services and distributed system components.
• Collaborate with multidisciplinary teams to deliver scalable, reliable, and high-quality solutions.
• Participate in the full software development lifecycle, from requirements analysis to deployment and support.
• Design, create, and execute functional, integration, acceptance, and mock-up testing.
• Analyse complex technical challenges and propose effective end-to-end solutions aligned with business needs.

What do we need?

• Strong hands-on experience as a Java Developer working on enterprise applications.
• Solid understanding of the Java ecosystem, software engineering best practices, and the full software development lifecycle.
• Experience integrating RESTful APIs and web services.
• Proficiency with Eclipse IDE for development, debugging, and troubleshooting.
• Experience with Git or similar version control systems.
• Strong experience working with Oracle Database and SQL development.
• Experience with enterprise messaging, queuing, or event-streaming technologies.
• Knowledge of Apache Kafka is highly valued.
• Experience with solutions such as IBM MQ (WebSphere MQ), RabbitMQ, or similar messaging platforms.
• Strong understanding of asynchronous communication patterns, message-driven architectures, and distributed systems integration.
• Proven experience in testing activities, including: Functional Testing, Integration Testing, Acceptance Testing, Mock-up Testing and Ability to independently validate and ensure software quality without dedicated QA support.

Nice to Have

• Experience with Dynamic Application Framework (DAF).
• Experience in Business Rule Management, including modelling, management, and implementation.
• Certifications or training in Visual Rules or Actico Rules.
• Experience integrating solutions with the Actico Platform.

What can we offer?

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

Nuna benefits (Health Care Plan, teleworking compensation, Life and Accident Insurance)

Flexible Compensation Program (Meals, Childcare, Transport, Online English Lessons, Health Care Plan, and more)

Free access to multiple learning and training platforms

Professional stability and career development opportunities

Employee Referral Program with attractive incentives

Option to choose between 12 or 14 salary payments per year

Work-life balance measures including flexibility and hybrid working

Access to UST Club discounts and gym benefits

At UST, we are committed to equal opportunities and do not discriminate on the basis of race, gender, disability, age, religion, sexual orientation, or nationality. We strongly support diversity, equity, inclusion, and the recruitment of professionals with disabilities.