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Role: Software Engineer
Location: Belgium (Hybrid)
Contract: 12 months+
We are looking for a Senior Software Engineer Specialist with strong expertise in Java full stack technologies and performance optimization. The role requires deep hands-on technical skills and the ability to design scalable, secure, high-performance systems.
Key Responsibilities:
- Design, build, and optimize Java/Jakarta EE applications using Spring Boot, Hibernate, REST services.
- Lead technical design and contribute as an architect/technical lead on critical projects.
- Troubleshoot and resolve performance bottlenecks across application, database, and infrastructure layers.
- Automate performance testing and monitoring using tools such as JMeter, Gatling, Dynatrace, AppDynamics, Prometheus, Grafana.
- Work with Postgres, Oracle, Bitbucket, Ansible, Kubernetes, Helm, OpenLiberty, and microservices.
- Ensure adherence to secure design principles and best practices.
- Collaborate with business stakeholders in an Agile/Lean environment to deliver high-quality solutions.
Key Skills
- 10+ years in Java/Jakarta EE development.
- 5+ years as Technical Architect or Senior Technical Lead.
- Strong in Core Java, Spring, Spring Boot, Hibernate, REST.
- Experience with performance testing/tuning and monitoring.
- Familiar with cloud concepts, microservices, K8s, Helm, OpenLiberty, DevOps pipelines.
- Excellent understanding of OOP, DBMS concepts, design patterns, and secure architecture.
- Experience in payments (SWIFT MT/MX, cross-border, payment gateways) is an asset.
- Strong communication skills in English (French/Dutch a plus).
Key Skills
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