Senior Java Developer – Quarkus | Brussels, Belgium | 7+ Years Experience

ThoughtLabs Belgium
Location
Brussels, Belgium
Job Category
- Information Technology (IT) & Software
- Engineering & Technical
- Telecommunications
- Others / Miscellaneous
Job Overview
We are seeking a Senior Java Developer – Quarkus to lead the technical and functional preparation of a next-generation cloud platform in Brussels, Belgium. The role is designed for an experienced technology professional with 7+ years of experience and strong expertise in software architecture, cloud platforms, microservices, and modern Java development.
The successful candidate will lead technical and requirements analysis, define the target architecture and technical direction, and establish the foundations required for development teams to execute effectively. Strong experience with Azure Cloud, Quarkus, microservices, API design, and API evolution is essential, while cloud migration experience is a significant advantage.
This role provides strong potential for career growth and professional development through architecture leadership, cloud transformation, technical decision-making, and collaboration with key stakeholders. The position is particularly suited to professionals seeking greater responsibility across enterprise software architecture and cloud migration initiatives.
Key Responsibilities
- Lead technical and functional analysis for the next-generation cloud platform.
- Define the target software architecture and technical direction.
- Conduct detailed technical and requirements analysis.
- Design scalable and maintainable cloud-based application architectures.
- Develop and guide microservices-based solutions using Java and Quarkus.
- Design, evolve, and establish standards for APIs.
- Support preparation and planning for Phase 2 of the cloud migration.
- Define technical foundations and development guidelines for engineering teams.
- Evaluate technical options and make architecture and technology decisions.
- Collaborate with stakeholders to understand business and technical requirements.
- Provide technical leadership and guidance to development teams.
- Identify architectural risks, dependencies, and opportunities for improvement.
- Contribute to cloud migration and modernization initiatives.
- Ensure technical decisions align with long-term platform objectives.
Requirements & Qualifications
- Minimum 7+ years of professional software development experience.
- Strong expertise in software architecture.
- Advanced experience with Java development.
- Strong hands-on experience with Quarkus.
- Solid knowledge of microservices architecture.
- Professional experience with Microsoft Azure Cloud.
- Strong knowledge of API design and API evolution.
- Experience conducting technical and requirements analysis.
- Strong stakeholder management and communication skills.
- Ability to make sound technical and architectural decisions.
- Experience providing technical leadership to development teams.
- Strong analytical and problem-solving abilities.
- Cloud migration experience is a strong advantage.
Salary, Benefits & Career Growth
Salary and compensation details have not been provided for this position.
The opportunity offers:
- Professional development within cloud architecture and enterprise software engineering.
- Exposure to next-generation cloud platform development.
- Opportunities to strengthen expertise in Azure, Quarkus, microservices, and API architecture.
- Experience leading technical direction and cloud migration initiatives.
- Collaboration with development teams and business and technical stakeholders.
- Potential career progression toward senior architecture and technical leadership roles.
Application Process
Application Process (Website):
Apply through the employer’s official application process where available.
Click Apply Now on the website to access the official application instructions and HR contact details.
HR Email for Application
Send your updated CV directly
Candidates should highlight their experience in Java, Quarkus, Azure Cloud, software architecture, microservices, API design, and cloud migration.
To apply for this job email your details to ashkoul17@yahoo.com
