Java Achitect /Technical Lead

Arηs is a fully independent group of companies specialized in managing complex IT projects and systems for large organisations, focusing on state-of-the-art software development, business intelligence and infrastructure services.

We are composed of 17 entities across 9 countries that are unified by the Arηs Group, with more than 2500 consultants. This corporate structure enables us to respond quickly to market changes and customer requests, and to communicate and make decisions without layers of bureaucracy.

Our success can be attributed to the synergy among our nine complementary entities, combined with our methodologies, which are based on the Rational Unified Process (RUP) and the Scrum agile software development framework.

ARHS Digital is looking for an experienced Java Technical Lead for one of its clients in Brussels, a key player in the national health insurance sector.

In this position, you will be responsible as technical lead/senior developer for the technical support of the team and ensure that best practices and quality are maintained.

Role & responsibilities

• Functional analysis and hands-on implementation of business requirements and business processes
• Technical analysis, specification, and coding of business processes, user requirements and development of applications
• Prototyping and coding of proof-of-concept applications
• Design and implementation of applications and/or service and component models and their interfaces
• Development and integration of middleware components, relational databases
• Proofs of concept development and coding
• Design, implementation, and review of security concerns for applications
• Definition of test strategies, design, coding, and testing of applications
• Technical assessment, coding, and integration of technologies and/or related products
• Functional and technical documentation, including code documentation
• Functional and technical training, including coding tutorials
• Troubleshooting and hands-on resolution of complex or urgent matters supporting development teams
• Drafting of reports, technical documentation, decision notes with coding insights
• Hands-on coding skills in Java
• Practical experience with Kubernetes deployment and management
• Expertise in designing, developing, and deploying microservices architecture

Your profile

• Bachelor's Degree plus minimum of 9 years IT professional experience
• Independent worker and a team player
• Hands-on experience with Spring Boot for developing applications.
• Working with workflow engines such as Flowable and Camunda or Activity would be an asset.
• Documenting architecture using tools like Microsoft Visio and Draw.io
• Knowledge of architectural documentation frameworks such as C4 , arc42, UML.
• Very good SQL knowledge, with PL/SQL being a significant asset.
• Proficiency in working with GraphQL and REST APIs.
• Experience with OpenID Connect for secure authentication.
• Knowledge of Enterprise Integration Patterns