Backend Developer
Make an impact by working for sectors where technology is the enabler, everything is ground-breaking and there’s a constant need to be innovative.
Create and enhance projects in Java, Python, Angular, PHP, .NET and so much more while diving in the world of Blockchain, Artificial Intelligence, Data Science, Security and Internet of Things.
Be part of the team that combines business knowledge, technological edge and a design experience. Our different backgrounds and know-how are key in developing solutions and experiences for digital clients.
Face challenges and learn other ways of thinking and seeing the world - there’s always room for your energy and creativity.
About the role
We are looking for Senior Java Developers to join our Celfocus team in Portugal.
As part of an IT squad, you will contribute to the development and deployment of cutting-edge solutions following internal best practices.
We are looking for a full-stack developer with a strong focus on backend development, eager to explore new technologies and innovative approaches within internal systems of a financial institution. We value a disruptive mindset, resilience in the face of challenges, out-of-the-box thinking, and a willingness to take risks.
As a part of your job, you will:
As a team member the developer will be responsible for:
- Java backend developments (Spring Boot).
- Solution designs using AWS and microservices.
- Frontend development activities, if required.
- Delivering using agile practices, in sprints and in accordance with the Product Owner and team’s backlog and sprint stories.
- Deploying using DevOps practices and CI/CD pipelines.
What are we looking for?
- Minimum 5+ years of hands-on experience in Java development and proficiency in the latest editions of Java, including expertise in Spring Boot.
- Strong knowledge of AWS, Microservices architecture, and design patterns.
- Strong knowledge of containerization and orchestration tools like Docker and Kubernetes.
- Experience in frontend technologies like React.js or Angular is a strong plus.
- Experience in NodeJs and PostgreSQL database is a plus.
- Solid grasp of security best practices related to APIs and data privacy.
- Proficiency in Agile/Scrum methodologies and a commitment to driving Agile practices within the team.
- Comfortable with DevOps practices involving configuration management, CI/CD pipelines, Gitflow, IaC, deployment patterns among others.
- Proficiency in English (B2+) is a must.
- Availability to work onsite 2 days per week, in Lisbon or Oporto.
Personal traits
- Ability to adapt to different contexts, teams, and Clients;
- Teamwork skills but also a sense of autonomy;
- Motivation for international projects and ok if travel is included;
- Willingness to collaborate with other players;
- Strong communication skills.
At Celfocus, we are committed to cultivate a diverse and inclusive workplace. As an equal-opportunity employer, we welcome applicants of all backgrounds, gender identities, and abilities. We are dedicated to providing reasonable accommodations for candidates with specific needs. If you require any adjustments during the selection process, please inform our Talent Acquisition Team.
Come join the Team!

About Celfocus
Celfocus is a European high-tech system integrator, providing leading edge professional services focused on creating business value through Analytics and Cognitive solutions – addressing Telecommunications, Financial Services, Retail, Energy & Utilities, Pharmaceutical, and other markets' strategic opportunities.
As a highly specialised engineering company, Celfocus helps clients undergo their innovation path, providing technological solutions to extract value from data and make it actionable.
Serving clients in +25 countries, Celfocus delivers solutions that boost customer experience and enhance operational efficiency, via our Cognitive Automation, Data & Analytics and Digital offers.
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