Senior Full Stack Developer (Java + Angular)
Confirmed on the employer's own hiring board on Nov 6, 2026. First seen by Alion on Nov 5, 2026.
We are looking for an experienced Full Stack Developer with at least 6 years of professional experience to join our team and work in an Agile environment.
The ideal candidate will have strong expertise in Java and Angular, a solid understanding of software engineering best practices, and a proactive mindset focused on continuous improvement and collaboration.
What you will do
Design, develop and maintain Full Stack applications using Java and Angular.
Develop and maintain backend services using Java, Spring Boot, Spring Batch and Spring MVC.
Build modern and responsive frontend applications using Angular 2+.
Work with application servers such as JBoss and Tomcat.
Develop and maintain automated unit tests using JUnit, Mockito or other testing frameworks.
Participate actively in Code Reviews, ensuring code quality and adherence to development best practices.
Work with relational databases, particularly Oracle.
Apply software design patterns and contribute to scalable and maintainable solutions.
Participate in continuous integration processes and contribute to improving development workflows.
Use AI coding assistants to support development activities and improve productivity.
Collaborate with team members within an Agile environment, using Scrum or Kanban methodologies.
Support and mentor less experienced developers, sharing knowledge and promoting good practices.
Contribute to continuous improvement initiatives and proactively identify opportunities to optimize processes and solutions.
What you need to bring
At least 6 years of professional experience as a Full Stack Developer or Software Engineer.
Solid experience with Java and the Spring ecosystem, including Spring Boot, Spring Batch and Spring MVC.
Strong experience with Angular 2+.
Good knowledge of Maven, JBoss and Tomcat.
Experience with unit testing frameworks such as JUnit and Mockito.
Experience using AI coding assistants.
Good understanding of Software Design Patterns and software engineering best practices.
Experience with Continuous Integration (CI) principles and related tools.
Experience working with relational databases, particularly Oracle.
Knowledge of Linux and Shell Scripting.
Experience working with Agile methodologies, particularly Scrum and Kanban.
Familiarity with Jira and Confluence.
Good communication skills in Portuguese and English (French is a plus).
Strong autonomy, organizational and prioritization skills.
Proactive attitude, innovative thinking and a continuous improvement mindset.
Ability to take initiative, promote best practices and mentor less experienced team members.
By applying, you accept our GDPR policies. Your personal data in your CV and documents will be used solely for processing your application at SYONE. SYONE, S.A. (NIPC 504729624) is the data controller, located at Rua Alfredo da Silva, 8-A, Edifício Stern, Piso 3D, 2610-016 Amadora. We will use your data to tailor your application to relevant vacancies and for potential employment contracts. If selected, your data will be kept during your employment and for at least two years after. If not selected, your data will be kept for two years for future vacancies and then deleted, except for your contact details. You can exercise your rights (access, rectification, erasure, etc.) by emailing [email protected]. Your data may be shared with our HR service providers and will be stored securely. You can withdraw your consent at any time. We will not use your data for other purposes without your express consent. For more information, email [email protected]. Your data will not be used for other purposes without your express consent.