NEOFACTO – Java backend developer

Description de la mission

NEOFACTO – Java backend developer
NEOFACTO
WE DELIVER INNOVATION
We are looking for a Medior / Senior Java Back-end Developer with 5 to 7 years of experience to join the IT teams of a well-known bank in Luxembourg.
In this role, you will play a key part in the design, development, and evolution of robust backend systems supporting critical business applications. You will work in a secure, regulated environment where code quality, performance, and reliability are essential.
Missions
Designing, developing, and maintaining scalable, high-performance Java applications
Leading the development of RESTful APIs and backend services for business-critical systems
Contributing to the definition of technical architecture and best practices
Ensuring code quality through reviews, testing strategies, and clean code principles
Optimizing applications for performance, scalability, and security
Integrating third-party APIs and internal banking systems
Maintaining, refactoring, and modernizing existing and legacy applications
Troubleshooting complex production issues and ensuring high availability
Collaborating closely with product owners, architects, QA, and DevOps teams
Mentoring junior developers and sharing technical knowledge within the team
Actively participating in agile ceremonies and continuous improvement initiatives
Profile
Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field
5 to 7 years of professional experience as a Java Back-end Developer
Strong expertise in Java (Java 8+) and object-oriented design principles
Solid experience with Spring Boot, Spring Framework, and related ecosystems
Strong understanding of RESTful APIs, microservices architecture, and backend design patterns
Proven experience with SQL databases (PostgreSQL, MySQL, Oracle, or similar)
Experience with version control systems such as Git
Good knowledge of the software development life cycle and agile methodologies (Scrum, Kanban)
Hands-on experience with unit and integration testing (JUnit, Mockito, etc.)
Ability to analyze, debug, and resolve complex technical issues
Strong communication skills and ability to work with both technical and non-technical stakeholders
Experience with CI/CD pipelines (Jenkins, GitHub Actions, GitLab CI, etc.) is a strong plus
Knowledge of containerization (Docker, Kubernetes) and cloud environments is an asset
Our offer
Working in a Great Place to Work based in Luxembourg.
Attractive salary and pretty cool benefits (meal vouchers, mobile subscription…).
Develop your skills and ideas over a coffee, a beer or a pizza during our Neo’vations.
Evolve within a strong company culture, you’ll join us for the opportunity and you’ll stay because we’re super cool (well according to 98% of our employees NEOFACTO Annual Survey 2024).
Between afterworks, innovative workshops and ski weekends, there’s never a dull moment when you’re part of the Neo’Squad.
Recruitment Process
The pre-qualification interview with our Recruitment Manager
Technical tests
Receipt of our salary proposal / exclusivity agreement
2nd interview with our Business Manager
Proposal of your application to the client
Interview at the client’s premises, which can be conducted either by video or in person.
About NEOFACTO:
Created in 2000, NEOFACTO is a major player that supports companies in their digitalization. Navigating between the creativity of startups and the experience of large groups, NEOFACTO has the ability to position itself and adapt to all projects. Guided by our passion for innovation, we support our customers with the goal of pioneering the new technologies and commercial models of tomorrow. Are we a dynamic and innovative team? Yes! And above all, a team that is united and driven by a very strong corporate culture. We share and cultivate common values to build together the NEOFACTO of tomorrow! You will join us for an opportunity and stay for the people around you.
www.neofacto.com