Java Cloud Engineer

About The Job

ACENSI is looking for a Java Cloud Engineer for one of their clients based in the energy sector in Brussels :

Key Responsibilities

• Design, develop, document, and release independently and in-team new Javabased software features and API services.
• Build and maintain scalable, secure backend microservices using modern Java frameworks (Java 17 to Java 21, Spring Boot 3.x).
• Design cloud-native applications leveraging hands-on knowledge of cloud platforms (Azure or AWS preferred
  • GCP a plus).

• Provision and manage infrastructure using Infrastructure-as-Code tools (Terraform, or equivalent).
• Package applications using Docker and orchestrate via Kubernetes.
• Optimize CI/CD pipelines (Aure Pipelines or Gitlab Actions) to ensure seamless, reliable delivery.
• Solving incidents and communicating with the Functional Analysts.
• Weekly Guard duty on the whole perimeter of the assigned team.
• Actively propose modern technologies, architectures, and design patterns to improve performance, reliability, and security.

Your Profile as Back-End &

• Cloud Engineer

• Education: Bachelor's degree in Computer Science, Information Technology, Mathematics, or related field.
• Experience: Minimum 4 years in a Java Developer role, preferably in the Energy or Utilities sector.
• Back-end: ,Java EE, Spring Boot, Microservices with Java 17 &
  • Spring Boot 3.X as concrete hands-on experience

• API &
  • Web Services: REST hands-on experience

• Cloud Infrastructure: Hands-on experience with Docker, Kubernetes, and Azure (or equivalent major cloud provider) in a Cloud-Native setup.
• Messaging &
  • Batch-Processing: Modern message broker experience like AWS SQS/SNS, Azure Servicebus or Apache Kafka for event-based communication &
  • Spring Batch for our batch

processing;

• Testing: Junit is the bare minimum
• Databases: any modern relational DB
• CI/CD: Azure Pipelines or Gitlab Actions as a minimum
• PLUS (extra) : ELK, ArgoCD, Keycloak, Kong &
  • JFrog knowledge

Languages

Fluent in either French or Dutch, next to an excellent understanding of English.

Soft Skills &

• Cultural Fit (Crucial)

• Driven by Technology: Genuine passion for IT—engages with tech blogs, podcasts, open-source projects, or community events.
• Proactive &
  • Self-Starter: Doesn't wait for solutions; actively researches and prototypes them.

• Curious &
  • Quality-Focused: Described by peers as a team player, caring about quality, and curious about technology.

• Collaborative Communicator: Able to explain architectural decisions to technical and non-technical stakeholders alike.
• Open to Feedback: Eager to learn and driven by challenges; comfortable in a hybrid work

environment.

Location

• Brussels, Belgium
• Minimally two days per week in the office in Brussels North is mandatory, working remotely the rest of the week is allowed