UST
Posted 1d ago

Senior Java Developer (AWS) - Remote

UST
Madrid, Madrid, Spain
RemoteFull Time
Responsibilities
  • building software
  • maintaining applications
  • reviewing code
Requirements
  • Strong Java and API development skills
  • SDLC
  • Design patterns
  • Testing
  • Distributed and event-driven architectures, REST, AWS
  • Gradle or Maven
  • Jenkins, and Agile experience required
Technical tools mentioned
AWSJavaJenkinsAWS LambdaJMeterGatlingRabbitMQKafkaAWS SNSAWS SQSAWS FargateGradleMavenScrumSAFeDockerTDDBDDMicroservicesREST APIsSOLID

Job description

Job Details

  • Location: Madrid
  • Job Type: Full Time
  • Openings: 1

Role Description

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.

What we look for?

We are looking for Senior Java Engineer who will contribute to a project with one of our global customers, that is a global leader in credit cards, auto loans, banking and saving accounts.

Key Responsibilities:

  • Design, build, and maintain efficient, reusable, and reliable software
  • As part of the DevOps model you build it, you own it and you run it , ensure stable and smooth maintenance of delivered software
  • Ensure the best possible performance, quality, and responsiveness of applications
  • Work effectively both independently and as part of a team
  • Participate in complete Software Development Life Cycle, including occasional QA and peer review
  • Work to achieve the goals and vision articulated by Product Management
  • Innovate within your team, initiative area and contribute within your technical domain.

Mandatory requirements:

  • Very strong Java programming skills and knowledge of building API s
  • Deep understanding of all stages in the Software Development Life Cycle
  • Deep understanding of design patterns and principles (e.g. SOLID principles)
  • Experience with different testing types: Unit Testing, API Testing, Acceptance Testing, Load Testing, JMeter, Gatlin
  • Experience with distributed architectures like SOA or MSA
  • Experience with event-driven architectures. ASíncrn, Mensajería, colas, RabbitMQ, Kafka.
  • Experience with REST APIs
  • Relevant experience with AWS services (for mid profiles this is a desired skill, not a must). SNS; SQS. Lambdas,. Fargate, Serverless.
  • Experience with Gradle or Maven
  • Experience with Enterprise Jenkins
  • Experience working in an Agile fashion (e.g. Scrum, SAFe)

Desired Skills

  • Experience working in a highly regulated environment, like banking
  • Experience with Docker
  • AWS certification
  • Experience with serverless technologies (AWS Lambda, AWS Fargate)
  • Experience with TDD and BDD

¿What can we offer?

-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!

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.

Skills

AWS, Java, Jenkins, Design Patterns, API Testing, AWS Lambda, BDD, Microservices, SDLC, Test-Driven Development, Unit Testing

About UST

Global provider of digital transformation and IT services.

Year founded
1999
Employees
30000
Organization type
Private
Latest investment
Raised $1.00B Private Equity (2018) — led by Temasek
Headquarters
US

Similar jobs

Java Developer roles near Madrid, Madrid
1d
Save
Mark Applied
Hide
Java Developer (2-3 años)
Getafe or Pozuelo de Alarcón or Spain
OnsiteFull Time
Excelia
Excelia: Multinational firm providing technology consulting and professional business services.
2+ YOERequires 2–3 years of Java development experience, Java 21, Spring, Maven, JUnit, Oracle 19, PL/SQL, Jenkins or TFS, Git, Agile, IntelliJ IDEA, and B2 English.
Java, Java 21, Spring, Maven, JUnit, Oracle 19, PL/SQL, Jenkins, TFS, Git, Agile, IntelliJ IDEA
1w
Save
Mark Applied
Hide
Desarrolladora/a Java Legacy
Madrid, Community of Madrid, Spain
RemoteFull Time
Sopra Steria
Sopra SteriaEuronext Paris: SOPR: Provides digital transformation consulting and information technology services.
3+ YOERequires 3–5 years of experience with Java, Spring, REST APIs, OpenAPI, Maven, testing frameworks, databases, and Azure DevOps.
Java, Spring, Spring Boot, Spring Batch, Spring MVC, Maven, JUnit, Mockito, WireMock, MockMvc, JPA, Oracle, JDBC, Azure DevOps, OpenAPI, Swagger, REST
1w
Save
Mark Applied
Hide
Java Engineer - Sector textil (100% teletrabajo)
Madrid, Community of Madrid, Spain
RemoteFull Time
knowmad mood
knowmad moodBME Growth: KNM: A digital transformation providing innovative technology solutions and sustainable development.
Solid Java, Spring, Spring Boot, microservices, hexagonal architecture, OpenAPI/API First, message brokers, testing, monitoring tools, and agile methodology experience.
Java, Spring, Spring Boot, Kafka, OpenAPI, Grafana, Udemy Business
1w
Save
Mark Applied
Hide
Desarrollador/a Java con integración continua
Rivas-Vaciamadrid, Madrid, Spain
HybridFull Time
Grupo Oesía
Grupo Oesía: Digital and industrial engineering for defense and aerospace industries.
4+ YOE4+ years backend Java experience (Java 17/21; Java 25 valued), Jakarta EE, WebSphere Liberty, VS Code, Eclipse, SVN, database experience, autonomous problem-solving and continuous improvement orientation.
Java 17, Java 21, Java 25, Jakarta EE, WebSphere Liberty, VS Code, Eclipse, SVN, JAVADIT
3w
Save
Mark Applied
Hide
Analista Programador/a JAVA
Las Rozas de Madrid, Community of Madrid, Spain
OnsiteFull Time
DXC Technology
DXC TechnologyNYSE: DXC: Global provider of IT services and business technology solutions.
5+ YOE5+ years Java development experience with Java 18, microservices, Spring Boot, AWS; familiarity with JUnit, Mockito, Git, Docker, Jenkins; banking experience desirable; leadership and teamwork skills.
Java 18, Microservicios, Spring Boot, AWS, JUnit, Mockito, Git, Docker, Jenkins, BSM
3w
Save
Mark Applied
Hide
Team Lead Java Engineer, Retail (f/m/x)
Madrid, Madrid, Spain
RemoteFull Time
AUTO1 Group
AUTO1 GroupFrankfurt Stock Exchange: AG1: Digital platform for trading used cars across Europe.
5+ YOE2+ Mgmt5+ years modern Java, 3+ years Spring, experience with microservices and AWS, 2+ years leading developer teams, hands-on coding, architecture and mentoring.
Java, Spring, Spring Boot, Spring Cloud, AWS, ECS, SQS, SNS, EC2, Lambda, CloudWatch, RESTful, microservices
3w
Save
Mark Applied
Hide
Java Junior with French
Madrid, Community of Madrid, Spain
HybridFull Time
CGI
CGINYSE: GIB: Provides information technology and business consulting services.
1+ YOE1–3 years Java experience with Spring ecosystem, Spring Boot REST APIs, unit testing (JUnit, Mockito), SQL (Oracle/PostgreSQL), and modern IDEs; positive attitude and teamwork orientation.
Java, Spring Boot, Spring Framework, Spring Data JPA, Hibernate, Swagger/OpenAPI, JUnit, Mockito, IntelliJ IDEA, Eclipse, Visual Studio Code, Windsurf, Git, Oracle, PostgreSQL
4w
Save
Mark Applied
Hide
Tech Program - Prácticas Transformation & Technology Tesoreria Madrid - Octubre 2026
Madrid, Community of Madrid, Spain
HybridInternship
KPMG
KPMG: Provides professional audit, tax, and advisory services to organizations.
Final-year STEM student with Java programming skills and intermediate-high English; able to commit to a 6+ month internship starting Oct 2026.
Java, Spring Boot, Docker, Kubernetes, AWS, Kafka, PostgreSQL, Git