Back-End Java
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Location:
Brussels, Belgium (Hybrid
- 3 Days/Week Onsite) 💰 Rate: €4500-€480/day 📅 Start Date: 14 September 2026 🗣 Languages: Fluent French or Dutch + Excellent English ⏳
Experience:
6+ Years A leading organization in the Energy & Utilities sector is seeking an experienced Back-End Java & Cloud Engineer to join a modern, cloud-native engineering team. This role offers the opportunity to work across customer-facing applications, API platforms, microservices, cloud infrastructure, and DevOps environments, leveraging the latest Java and cloud technologies.
Key Responsibilities
âś… Design, develop, document, and deploy Java-based backend applications and API services âś… Build scalable microservices using Java 17/21 and Spring Boot 3.x âś… Develop and maintain cloud-native applications on Azure (AWS experience also considered) âś… Provision and manage cloud infrastructure using Terraform or similar IaC tools âś… Containerize applications using Docker and orchestrate deployments through Kubernetes âś… Enhance and maintain CI/CD pipelines using Azure Pipelines or GitLab Actions âś… Collaborate with Functional Analysts to resolve incidents and deliver robust solutions âś… Participate in operational support and on-call/guard-duty rotations âś… Drive technical innovation by proposing modern architectures, tools, and engineering best practices Required Skills Backend Development
- Java EE
- Java 17+ / Java 21
- Spring Boot 3.x
- Microservices Architecture
- REST APIs Cloud & DevOps
- Microsoft Azure (mandatory)
- Docker
- Kubernetes
- Terraform / Infrastructure as Code
- Azure Pipelines or GitLab Actions Messaging & Integration
- Apache Kafka
- Azure Service Bus
- AWS SNS/SQS
- Event-Driven Architecture
- Spring Batch Testing & Database
- JUnit
- Relational Databases (SQL) Nice-to-Have Skills
- ELK Stack
- ArgoCD
- Keycloak
- Kong API Gateway
- JFrog Experience Requirements
- Java: 5-8 years
- Azure Cloud: 3-5 years
- API Development: 3-5 years
- Team Collaboration: 3-5 years
- Digital Product / Digital Platform
Experience:
Required
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