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

📌 Java cloud engineer (España)
🏢 ACENSI
📍 España