Quick Summary
Key Responsibilities
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Technical Tools
EngineeringFullstack Developer
The IT Full-stack Developer role is a consultancy mission at a client site, representing Keystone Solutions. As a Keystone Solutions consultant, you will be hired to work on client projects, bringing your expertise to dynamic environments.
Responsibilities
~1 min read- →Translate requirements into high quality code.
- →Design, build, and maintain high performance, reusable, and reliable applications, including backend (Java and Spring Framework) and frontend (React).
- →Collaborate with cross-functional teams to ship new features.
- →Work with outside data sources and APIs.
- →Ensure the best possible performance, quality, and responsiveness of the application.
- →Apply development best practices to ensure code quality.
- →Identify and correct bottlenecks and fix bugs.
- →Be involved in Ops activities (set up of CI/CD pipelines).
Requirements
~1 min read- Sound knowledge of English (knowledge of French or Dutch is a plus).
- Bachelor/Master or equivalent by experience.
- Agile mindset: positive attitude, pragmatism, thirst for knowledge, focus on team success, continuous improvement, cross-functional contribution.
- At least 6 years of relevant experience.
- Technical experience: Software Craftsmanship, clean code principles, OO principles, DDD, design patterns, SOLID, readable code, refactoring, Test Driven Development, willingness to pair.
- Technical skills: Proven knowledge of React, Java, Spring, Maven, DB, Restful APIs with swagger (yaml), Git, Continuous Integration/Deployment (Jenkins or alternative), SAST (SonarQube, Fortify, NexusIQ or alternative), Docker, Container, Groovy.
- Participation in API automation testing.
- Business experience: practical experience with Scrum is preferable.
- Soft skills: knowledge sharing, improvement suggestions, adaptability, collaboration, feedback, challenging requirements based on expertise.
- Consultancy Nature: You will work on-site as a consultant, representing Keystone Solutions in client environments.
- Dynamic Projects: Experience a diversity of challenges across various client settings.
- Turbo-Charged Learning: Benefit from professional development and broad learning experiences.
- Skyrocketing Ambition: Keystone Solutions is committed to your career growth within our framework.
- Values: Being a “K-Stone” means bringing our core values to every engagement.
Brussels
If you are ready to tackle technical and strategic challenges in a dynamic consultancy environment, apply today at Keystone Solutions Career Portal.
Location & Eligibility
Where is the job
Brussels, Belgium
On-site at the office
Who can apply
BE
About this job
- Who can apply
- Belgium
- Posted
- 34 days ago
Listing Details
- First seen
- October 1, 2026
- Last seen
- October 8, 2026
Posting Health
- Days active
- 33
- Repost count
- 0
- Trust Level
- 19%
- Scored at
- November 4, 2026
Signal breakdown
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External application
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