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Senior Backend Developer
senior · Technology / Software Development
Join us as a Senior backend developer – Settlement team.
Are you passionate about building modern, scalable solutions using Java technologies? Join our Settlement team as we develop and maintain new Settlement systems as part of our strategic Convergence project, a transformation initiative moving from mainframe to a cutting-edge Java platform.
At Euronext Securities, you'll collaborate closely with colleagues’ cross borders with a team of experienced developers, functional analysts, and QA specialists. Together, we’ll navigate a complex and dynamic financial domain that impacts clients across Europe.
As a senior Java Software Developer, you'll support both the development and operational aspects of our Settlement applications. The position is based in Porto. This is a unique opportunity to influence a high-impact system within a critical financial infrastructure.
What You’ll Do
- Develop, unit test, and maintain high-quality backend services using Java/Kotlin and Spring Boot.
- Design and implement scalable, event-driven architectures.
- Build and integrate RESTful APIs aligned with OpenAPI standards.
- Collaborate with cross-functional teams to deliver new features and system enhancements.
- Troubleshoot and resolve application issues, ensuring optimal performance and responsiveness.
- Write clean, maintainable, and testable code following best practices.
- Participate in code reviews and share knowledge with team members.
- Support unit testing and continuous integration pipelines.
- Use GIT for version control and team collaboration.
- Contribute to our observability setup (experience with OpenTelemetry is a plus).
- Create and maintain clear technical documentation.
What We’re Looking For
- Strong foundation in software engineering principles (e.g. Clean Code, SOLID, basic Domain-Driven Design).
- Hands-on experience developing RESTful APIs using Java/Kotlin.
- Familiarity with event-driven systems; experience with Kafka is a strong plus.
- Proficiency in GIT and test-driven development.
- Knowledge of or interest in observability practices (e.g. logs, metrics, tracing).
- Experience with Quarkus or similar frameworks is highly desirable.
- Strong problem-solving skills and a team-oriented mindset.
Apply by submitting a CV in English.
Why Join Us?
Euronext Securities is a key player in Europe’s financial sector. As part of the Euronext Group, we build solutions with a broad international scope, collaborating with colleagues in Norway, Portugal, Italy, and Denmark. Join us to shape the future of post-trade infrastructure and bring innovation to the heart of the financial system.