Join Us at Closer Consulting!

Mutual Respect, Empathy, Innovation, and Professional Pride. Do you see yourself within these values?

Founded in 2006 with the mission "To Challenge Complexity", Closer Consulting is a Data Science company specializing in Business Intelligence, Advanced Analytics, and Artificial Intelligence.

Developing projects in diverse industries – Banking, Telecommunications, Healthcare, Retail, Energy, Insurance, and Aviation – we have created an environment where the brightest enquiring minds feel at home. We provide our people with the means, opportunities, and support they need to thrive and innovate. ✨

For this position, it is necessary to have a residence in Lisbon or Porto, PT

We’re looking for a Java Developer ready to integrate complex IT environments and take part in a long-term hybrid project with our Closer team. ☕

What You'll Be Doing

• Design, develop, and maintain scalable Java-based applications and microservices
• Implement and maintain RESTful APIs and backend services
• Ensure application security using Spring Security and manage background processes with Spring Batch
• Write Unit and Integration tests using JUnit, Cucumber, or Karate Framework ✅
• Support CI/CD practices using Azure DevOps, Git, Jenkins, and Maven
• Work on Docker-based environments and Linux systems using command-line tools
• Participate in Agile ceremonies and collaborate with DevOps and QA teams
  
  

What We're Looking For (Must-Have)

• Degree in Computer Science or equivalent
• Minimum 5 years of experience in Java development ☕
• Java 8 and 11 (or JDK 21), Spring Boot 3+
• Strong knowledge of HTTP, REST APIs, and JSON
• Experience with Spring frameworks (Security, Batch)
• Experience with Unit Testing and Integration Testing (JUnit, Karate, Cucumber)
• CI/CD knowledge: Azure DevOps, Jenkins, Git, Maven, Artifactory ⚙️
• Docker / Docker Compose
• Oracle SQL (reading only), familiarity with complex IT landscapes
• Linux (SuSE, CentOS, AlmaLinux), Bash scripting
  
  

Nice To Have (Should-Have)

• Knowledge of JDK 7/8+, Glassfish/Payara, Apache Struts 1.x
• JMS/ActiveMQ, EJB2, sFTP, Ansible
• Experience with declarative Jenkins pipelines
• Ability to self-assess skills across technologies (CGI requirement)
  
  

Languages

• English – B2 (mandatory)
• Portuguese – Fluent (preferred)
  
  

We Believe We Are The Ones To

• Providing a multidisciplinary Team
• Giving a home office kit with everything you need to perform remotely
• Ensuring a career plan alongside professional growth
• Providing you with a custom training plan
• Helping you reach happiness
  
  

Oh… And By The Way, We Also Have

• Several challenging complex projects
• Stimulating teams and leaders
• World-class Clients and Partners
  
  

If you enjoy turning data into business-driving decisions, we'd like to talk to you. Send us your CV to [email protected] and discover the closer side of life.

Closer is a company that values diversity and inclusion. We are committed to fostering an environment where everyone is treated with dignity and respect, regardless of race, gender, beliefs, sexual orientation, physical or mental disability, or other personal characteristics.

At Closer, we embrace the unique perspectives and experiences that everyone brings, and we believe that it is a fundamental driver for the success we've achieved.