Backend Developer

As a member of our development team, you will contribute to the design, development, and optimization of secure, scalable, and high‑performance back-end solutions. You will work closely with front-end developers, architects, product owners, and security teams to build robust software and ensure seamless integration across all components.

Responsibilities:

• Develop and maintain back-end web applications.
• Integrate user-facing elements developed by front-end teams with server-side logic.
• Implement core business logic and ensure code consistency.
• Create and maintain servers, databases, and functional infrastructure.
• Design and implement efficient data storage solutions.
• Ensure proper security and data protection practices.
• Optimize applications for maximum speed and scalability.
• Design, develop, and document APIs.
• Participate in the design and creation of scalable software architectures.
• Take technical lead on projects when required.
• Maintain code integrity, structure, and organization.
• Write clean, maintainable, and reliable back-end code.
• Compile and analyze data, processes, and code to troubleshoot and identify improvements.
• Test, diagnose, and fix bugs or other coding issues.
• Ensure technical solutions meet both functional and user needs.
• Produce technical documentation.

Technical skills:

At least 1 year of hands-on experience in each of the following categories:

• Back-end: Vert.x, Kotlin, Java (> 17), Spring Boot (WebFlux), Hibernate
• Architecture & Integration: Microservices Architecture, API-driven Development, AS4
• Database: MongoDB, PostgreSQL, Virtuoso Triple Store, OpenSearch
• Containerization & Orchestration: Docker, Kubernetes
• Security: OpenID Connect, OAuth2, TLS, Keycloak
• Security Testing & Dependency Management: SAST / DAST, Fortify, SonarQube, Sonatype, Dependency-Track, Maven
• Collaboration & Productivity Tools: JIRA, Confluence, Office 365, SharePoint

Profile:

• Bachelor’s or Master’s degree in IT, Computer Science, or a related field.
• Strong analytical skills and ability to solve complex issues.
• Good communication and interpersonal skills.
• Fluency in English is required; French is an asset.

Why Cronos Group?

We’ll offer you:

• An attractive salary package.
• A good work-life balance.
• The opportunity to work with cutting-edge technologies in an entrepreneurial environment.
• Tailor-made training programs based on your development needs.
• A friendly, human-scaled workplace.

If you want to join a dynamic structure on a human scale while working with the latest technologies, don’t wait any longer—join Cronos!