Senior Java Backend Engineer - Spring & API (Onsite)

SEIDOR; Brussel; Sur place; EUR 60 000 - 90 000; Plein temps

Résumé du poste

SEIDOR in Brussels is seeking an Advanced Java Developer to design, develop and test backend components using the Spring ecosystem. You will implement REST and event-driven APIs, manage persistence layers and integrate with messaging systems to power secure, scalable applications.

Join a multinational tech company with a start-up spirit; you will contribute to CI/CD pipelines, participate in code reviews, and help document APIs while working on authentication (OAuth 2.0 / OIDC / SAML) and

Qualifications

• Bachelor's degree (EQF level 6) in Computer Science or equivalent.
• Master's degree in Computer Science is preferred with 8+ years experience.
• 4 years of experience developing Java back-end applications.
• 6 years of experience with the Spring ecosystem (Spring Boot, Spring Security, Spring Data).
• 6 years of experience designing and implementing REST APIs and event-driven integrations.
• 5 years of experience with relational databases and ORM frameworks (e.g. Hibernate/JPA).
• 4 years of experience with development and DevSecOps tooling, including version control (Git), issue tracking (e.g. Jira or equivalent), collaboration (e.g. Confluence or equivalent) and CI/CD pipelines (e.g. Jenkins, Bamboo or equivalent).
• 2 years of experience in the technical design of back-end components and in reviewing code produced by other developers.

Responsabilités

• Design, develop and unit-test back-end components using the Spring ecosystem
• Implement REST and event-driven APIs and the underlying business logic
• Implement persistence layers and integrate with messaging systems
• Implement authentication and authorisation (OAuth 2.0 / OIDC / SAML)
• Contribute source code and configuration to the customer’s CI/CD pipeline
• Participate in code reviews and pair programming
• Produce and maintain API documentation
• Identify, debug and fix defects; support deployment and migration activities

Connaissances

Java back-end development

REST API design

Event-driven architectures

Code reviews / pair programming

Documentation

Formation

Bachelor's degree in Computer Science

Master's degree in Computer Science

Outils

Spring Boot

Spring Security

Spring Data

Git

Jira

Confluence

Jenkins

Bamboo

Docker

Kubernetes

OAuth 2.0 / OIDC / SAML

Description du poste

SEIDOR in Brussels is seeking an Advanced Java Developer to design, develop and test backend components using the Spring ecosystem. You will implement REST and event-driven APIs, manage persistence layers and integrate with messaging systems to power secure, scalable applications.

Join a multinational tech company with a start-up spirit; you will contribute to CI/CD pipelines, participate in code reviews, and help document APIs while working on authentication (OAuth 2.0 / OIDC / SAML) and