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We are looking for a Senior Java Developer with strong expertise in Java and Spring Boot to design, develop, and maintain high-quality enterprise applications in a complex and regulated environment.
This role involves close collaboration with business stakeholders, solution teams, and other IT departments, playing a key role in delivering robust, scalable, and secure software solutions, while also contributing to technical leadership and mentoring.
Key Responsibilities
- Design and develop Java applications based on business and functional requirements
- Build and maintain RESTful APIs using Spring Boot
- Ensure application architecture, performance, scalability, and security
- Collaborate closely with business and technical teams to propose effective solutions
- Analyze and resolve complex technical issues
- Participate in data integration and migration activities
- Work with cross-functional teams (solutions, IT, production, external partners)
- Ensure code quality through testing, code reviews, and best practices
- Contribute to CI/CD pipelines and application monitoring
- Mentor junior developers and contribute to technical leadership initiatives
Required Skills & Experience
Technical Skills
- 5–7+ years of experience in Java (version 8 or higher)
- Strong expertise with Spring Boot, including:
- Spring Data JPA / Hibernate
- Spring Security
- Spring Batch
- Solid understanding of REST API design and development
- Experience with JWT-based authentication and authorization
- Familiarity with microservices architecture and design patterns
- Experience with API documentation and testing tools (Swagger, Postman)
- Knowledge of API monitoring, publishing, and management
- Experience with SQL Server and DB2 databases
- Familiarity with Tomcat application server
- Proficiency with Maven for build and dependency management
- Experience with Git / GitLab
- Knowledge of CI/CD tools (Jenkins v2+)
- Practical experience with Docker
- Experience with Splunk (v8+) for logging and monitoring
- Experience with Sonar for code quality analysis
- Proficiency with JUnit for unit testing
- Basic to intermediate Unix / Bash scripting
- Knowledge of WSO2 API Manager is a plus
- Experience with XLD is a plus
Hybrid Work: 2/3x On-Site in Lisbon
Key Skills
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