Senior Back-End Engineer: Java, Spring & APIs

Fincons Group; Brussel; Sur place; EUR 90 000 - 120 000; Plein temps

Résumé du poste

Fincons Group, a leading IT business consulting company, seeks an Advanced Back-End Software Engineer in Brussels. The role focuses on designing, building, and securing scalable back-end systems and APIs, with deep expertise in Java, Spring, and REST architecture.

You will work in a multinational setting, contributing to complex projects and leveraging CI/CD practices. The ideal candidate has 10+ years of experience, strong Java/Spring API skills, and hands-on knowledge of Docker, Kubernetes,

Qualifications

• Bachelor-level or higher degree in CS/Engineering or equivalent experience.
• 10+ years of software development experience with strong Java/Spring API skills.
• Experience with REST APIs, design, security, and scalability.
• Familiarity with cloud environments and CI/CD practices.
• Experience in competitive policy environments is a plus.

Responsabilités

• Develop and maintain back-end applications, services, and business logic with clean, scalable code.
• Design, build, secure, and optimize APIs, data storage, and cloud-based back-end services.
• Implement security practices including authentication, authorization, input validation, secure logging, and monitoring.
• Perform testing, debugging, troubleshooting, and performance optimization with observability tools.
• Contribute to the design and delivery of scalable software meeting functional and non-functional requirements.
• Maintain technical documentation and CI/CD-integrated testing practices.

Connaissances

Java

Spring Framework

REST API development

Node.js

Docker

Kubernetes

Git

Observability

OAuth2/OpenID Connect/JWT

Multicultural collaboration

Formation

Master's degree

Outils

Git

Docker

Kubernetes

OpenTelemetry

Description du poste

Fincons Group, a leading IT business consulting company, seeks an Advanced Back-End Software Engineer in Brussels. The role focuses on designing, building, and securing scalable back-end systems and APIs, with deep expertise in Java, Spring, and REST architecture.

You will work in a multinational setting, contributing to complex projects and leveraging CI/CD practices. The ideal candidate has 10+ years of experience, strong Java/Spring API skills, and hands-on knowledge of Docker, Kubernetes,