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Key Responsibilities
- Translate requirements into high-quality, reusable, and reliable code.
- Design, build, and maintain performant applications, covering both backend (Kotlin, Spring Framework) and frontend (iOS, Android).
- Collaborate with cross-functional Agile squads to ship new features and ensure end-to-end delivery (Dev + Ops).
- Work with external data sources and APIs, ensuring integration and scalability.
- Apply clean code principles, best practices, and design patterns (OO, DDD, SOLID).
- Conduct refactoring, debugging, and bottleneck resolution to maintain quality and responsiveness.
- Participate in API automation testing as part of development activities.
- Be actively involved in Ops activities, including setup and maintenance of CI/CD pipelines.
- Promote knowledge sharing, provide technical improvements, and contribute beyond your core role to ensure sprint success.
- Act as a team player, adapt easily to new colleagues, and foster collaboration, feedback, and continuous improvement.
Experience & Knowledge Required
- Bachelor/Master’s degree in IT or equivalent through experience.
- Minimum 6 years of relevant backend development experience.
- Strong expertise in Kotlin, Java, Spring Framework, Maven, Databases.
- Proven experience with RESTful APIs (Swagger/YAML), Git (VCS), Jenkins or other CI/CD tools, SAST tools (SonarQube, Fortify, NexusIQ), Docker, Containers, Groovy.
- Practical experience with Test-Driven Development (TDD) and willingness to work in pair programming.
- Solid understanding of OO principles, DDD, design patterns, and SOLID principles.
- Agile mindset: positive, pragmatic, collaborative, eager to learn, team-focused, and open to feedback.
- Practical experience with Scrum in cross-functional Agile squads.
- Strong communication, adaptability, problem-solving, and continuous improvement mindset.
- Nice to have: knowledge or interest in mobile development (iOS/Android).
Key Skills
Ranked by relevance
design patterns
cicd
ddd
jenkins
kotlin
docker
maven
java
git
ios
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- Posted
- Oct 02, 2025
- Type
- Full-time
- Level
- Not Applicable
- Location
- Brussels
- Company
- OPTIMUS IT SERVICES
Industries
IT Services
IT Consulting
Categories
Information Technology
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