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Cronos Europa

FullStack Developer

Cronos Europa
Belgium · Full-time · Entry
Job Description

As a member of our development team, the Senior Full-Stack Developer will be responsible for designing and implementing scalable, secure, and high-performance web applications. This role requires deep expertise across front-end and back-end technologies, architecture, security, and DevOps, as well as strong communication and collaboration skills in a multicultural environment.

Responsibilities

  • Develop and maintain front-end website architecture.
  • Design intuitive and responsive user interactions on web pages.
  • Build and maintain robust back-end applications.
  • Implement core business logic and ensure application scalability.
  • Create and manage servers and databases for optimal functionality.
  • Ensure security and data protection best practices are applied.
  • Optimize applications for cross-platform compatibility.
  • Design and develop APIs for seamless integration.
  • Participate in the design and creation of scalable software systems.
  • Lead development projects and collaborate across teams.
  • Maintain code integrity, organization, and documentation.
  • Write clean, functional code across both front-end and back-end environments.

Technical Skills

  • Front-End (10+ years): VueJS 3, VueX, JavaScript/TypeScript, HTML, CSS
  • Back-End (10+ years): Vert.x, Kotlin, Java (>17), Spring Boot (WebFlux), Hibernate
  • Architecture & Integration (6+ years): Microservices Architecture, API-driven Development, AS4
  • Database (6+ years): MongoDB, PostgreSQL, Virtuoso Triple Store, Opensearch
  • Containerization & Orchestration (6+ years): Docker, Kubernetes
  • Security (5+ years): OpenID Connect, OAuth2, TLS, Keycloak
  • Security Testing & Dependency Management (6+ years): SAST, DAST, Fortify, SonarQube, Sonatype, Dependency-Track, Maven
  • DevOps & Cloud (5+ years): CI/CD pipelines, GitLab, AWS Cloud (CodeBuild, etc.)

Profile

  • Bachelor's or Master's degree in Computer Science, Engineering, or related field.
  • Ability to apply high quality standards to all tasks.
  • Strong communication skills and ability to participate in multi-lingual meetings.
  • Capability to work effectively in international and multicultural environments.
  • Rapid self-starting capability and strong team collaboration.
  • Ability to understand the needs, objectives, and constraints of other disciplines and functions.
  • Flexibility and adaptability to unplanned changes or decisions.
  • Proficiency in English (C2 level - spoken and written).

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!

Key Skills

Ranked by relevance

cloud microservices spring boot kubernetes postgresql responsive kotlin docker devops gitlab maven java cicd css aws
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Country Guide

Belgium

International hub for EU careers

Posted
Oct 06, 2025
Type
Full-time
Level
Entry
Location
Brussels
Company
Cronos Europa

Industries

Professional Services

Categories

Engineering Information Technology

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