-
View all jobs
At Uni Systems, we are working towards turning digital visions into reality. We are continuously growing and we are looking for a Backend Developer (Java / Enterprise Systems) to join our UniQue team in Brussels!
What will you be doing in this role?
What you need to succeed in this position{{:}}
What will you be doing in this role?
- Development of back-end website applications
- Integration of user-facing elements developed by a front-end developer with server-side logic
- Implement core business logic
- Creation of servers and databases for functionality
- Design and implementation of data storage solutions
- Understanding and implementation of security and data protection
- Optimization of the application for maximum speed and scalability
- Design and develop APIs
- Participating in the design and creation of scalable software
- Taking lead on projects, as needed
- Maintenance of code integrity and organisation
- Writing clean, functional code on the back end
- Compile and analyse data, processes, and codes to troubleshoot problems and identify areas for improvement
- Testing and fixing bugs or other coding issues
- Meet both technical and consumer needs
- Write technical documentation
What you need to succeed in this position{{:}}
- BSc degree in IT and at least 11 years of experience, or MSc degree and minimum 7 years experience
- Proficiency in backend development using Java8+, including Spring, Spring Boot, Hibernate and Java EE
- Experience with REST APIs and SOAP Webservices
- Experience with Oracle DB and RDBMS technologies such as Oracle
- Familiarity with NoSQL databases (plus)
- Knowledge of frontend technologies{{:}} JavaScript, TypeScript, HTML, CSS and Angular (plus)
- Experience with messaging systems such as JMS, Kafka and ActiveMQ
- Knowledge of development, building and deployment of microservices
- Experience with OpenID Connect integration and SSO
- Knowledge of API Gateway configuration with OAuth 2
- Knowledge of SSL/TLS Protocol configuration in application servers
- Knowledge of reverse proxy configuration
- Experience with Oracle WebLogic Server, including configuring domains, deploying and running applications
- Knowledge of Apache and Nginx
- Experience in Cloud development using Amazon Web Services (AWS)
- Knowledge of containerization technologies such as Docker
- Familiarity with container orchestration tools such as Kubernetes (plus)
- Knowledge of CI/CD pipelines and Continuous Integration & Deployment tools such as Bamboo
- Experience with code versioning tools such as Git
- Experience with web services testing tools{{:}} SOAPUI, ReadyAPI and Postman
- Ability to understand, speak and write English at level B1 is mandatory. French at B1 would be an asset
Key Skills
Ranked by relevance
oracle
server
java
continuous integration
containerization
microservices
spring boot
javascript
kubernetes
typescript
angular
storage
docker
apache
nosql
kafka
oauth
cloud
nginx
cicd
css
git
aws
Related Jobs
3 roles aligned with this opportunity
View Job Details
Related
Full-Stack Engineer (Java)
2026-04-25
Full-time
Mid-Senior
Belgium
Technology
Engineering
View Job Details
Related
Full-Stack Engineer (Java)
2026-04-08
Full-time
Mid-Senior
Belgium
Technology
Engineering
View Job Details
Related
Backend Developer
2026-04-16
Full-time
Mid-Senior
Belgium
Technology
Engineering
Login to Apply
- Posted
- Nov 26, 2025
- Type
- Full-time
- Level
- Mid-Senior
- Location
- Brussels
- Company
- Uni Systems
Industries
Technology
Information
Internet
Categories
Engineering
Information Technology
Related Jobs
3 roles aligned with this opportunity
View Job Details
Related
Full-Stack Engineer (Java)
2026-04-25
Full-time
Mid-Senior
Belgium
Technology
Engineering
View Job Details
Related
Full-Stack Engineer (Java)
2026-04-08
Full-time
Mid-Senior
Belgium
Technology
Engineering
View Job Details
Related
Backend Developer
2026-04-16
Full-time
Mid-Senior
Belgium
Technology
Engineering