Full Stack Developer ( Java - AWS )

We are currently looking for a Full-Stack Developer to contribute to the development, maintenance, and modernization of IT systems supporting large-scale programs. The role involves working closely with stakeholders to deliver digital solutions that improve business processes and ensure the efficient implementation of services.

Location: Near-site (accessible within 2 hours from Brussels) – Remote work possible

DESCRIPTION OF THE TASKS

• Analysis of the integration of different information systems.
• Data analysis and data modelling.
• Coordination of the implementation of the technical architecture
• Develop and maintain high-performance, scalable, and secure applications using Java (JDK 17+), Spring 6, and Spring Boot.
• Design, implement, and optimize database interactions using JDBC, Spring JDBC, and Spring Data JPA to ensure efficient and scalable data access.
• Design and implement RESTful APIs
• Optimize application performance and ensure best coding practices, including unit testing and CI/CD pipelines.
• Collaborate with cross-functional teams including DevOps, front-end developers, and business stakeholders.
• Work with Oracle relational databases, ensuring efficient data management and optimization. • Monitor and troubleshoot application issues in production and development environments. • Deploy and manage applications on Tomcat
• Understanding and implementation of security and data protection.

KNOWLEDGE AND SKILLS

• Strong experience in Java (JDK 17+ preferred)
• Deep knowledge of Spring 5/6 and Spring Boot frameworks
• Experience in REST API development and microservices architecture.
• Knowledge of Spring Security, OAuth2, and JWT authentication
• Experience with Spring Data JPA, Hibernate, and relational databases (Oracle)
• Familiarity with containerization (Docker, Kubernetes)
• Hands-on experience with unit testing (JUnit, Mockito) and CI/CD tools.
• Strong understanding of design patterns, SOLID principles, and clean coding practices.
• Knowledge of ActiveMQ for messaging and event-driven communication.
• Ability to cope with fast changing technologies used in mobile application architecture, design and implementation
• Very good communication skills
• Ability to give efficient presentations to technical and non-technical audience
• Capability of working in a multi-lingual/multi-cultural environment
• Very good knowledge of English (both written and oral)
• Capability of integration in an international/multicultural environment, rapid self-starting capability

SPECIFIC EXPERTISE

• Use of AI-enhanced developer tools to boost speed, quality, and productivity
• Experience with API Gateway solutions (e.g., AWS API Gateway, Spring Cloud Gateway, etc.)
• Exposure to GraphQL, or WebSockets
• Experience with AWS services (e.g., EC2, S3, RDS, Lambda, API Gateway)
• Familiarity with serverless architecture and event-driven microservices
• Experience with NoSQL databases (DynamoDB)

Profile:

• Bachelor's degree or equivalent
• Fluency in English (C1 level).
• AWS Solution architect professional certification

Why Cronos Group?

We’ll propose you:

• An attractive salary package
• A good work-life balance environment
• The assurance of working in cutting-edge technologies in an entrepreneurial spirit.
• The opportunity to develop your skills thanks to tailor-made training courses according to your needs
• A good job in a friendly place

If you wish to integrate a dynamic structure on a human scale while working with the latest technologies, don't wait anymore and join Cronos!