maltem
Senior Java Developer
maltemBelgium8 days ago
Full-timeInformation Technology

Context

The company is looking for a Senior Java Backend Developer to contribute to the development of modern, scalable, and API-enabled backend systems. The position is part of a large transformation program focused on harmonizing architecture and technology across different business areas. The person will design, build, and maintain Domain Services and integrations using event-driven and microservices-based architectures.


Main Responsibilities

  • Design, develop, and maintain backend components using Java and Spring Boot.
  • Implement and optimize API-based Domain Services (REST and GraphQL).
  • Develop event-driven integrations using Apache Kafka.
  • Apply asynchronous communication and integration patterns.
  • Ensure scalability, reliability, and performance of distributed systems.
  • Collaborate with product owners, architects, and other developers within an agile setup.
  • Contribute to CI/CD, code quality, testing, and documentation practices.


Required Profile

  • At least 5 years of experience in Java (version 17+ or higher) and Spring Boot development.
  • Proven experience with REST and SOAP API design.
  • Strong understanding of asynchronous, event-driven systems using Kafka.
  • Knowledge of GraphQL implementation is appreciated.
  • Experience with persistence frameworks (JPA, JDBC) and relational databases such as PostgreSQL.
  • Familiarity with cloud and containerized environments (Docker, Kubernetes, AWS, Azure).
  • Understanding of CI/CD pipelines, GitOps, monitoring, and observability tools.
  • Strong analytical mindset and ability to work collaboratively in agile teams.


Environment or Specificities

  • International and agile organization.
  • Event-driven and API-first architecture.
  • Modern technical stack: Java 17+/21+, Spring Boot, Kafka, GraphQL, PostgreSQL, Kubernetes, AWS.
  • Collaborative environment focused on quality, scalability, and continuous improvement.


This position is open to people with disabilities.

Key Skills

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