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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior IT Developer Consultant - **Company:** Keystone Solutions - **Location:** Brussel, Belgium - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Clean Code Principles, Java (Programming Language), Application Programming Interfaces (APIs), Automation of Tests, Software Quality, Continuous Integration, Software Design Patterns, Groovy, Mobile Application Software, Spring Framework, Apache Maven, Scrum Methodology, Fortify (Software), Swagger, SonarQube, YAML, Cloud Platform System, Test-Driven Development (TDD), Backend, Git, Solid Principles, Front End Software Development, Domain Driven Development, Restful APIs, Code Restructuring, Docker, Jenkins, Static Application Security Testing - **Published:** July 18, 2026 - **Apply:** https://be.indeed.com/viewjob?jk=cc1dbad2533e629d ## About the Role * Sound knowledge of English; knowledge of French or Dutch is a plus. * Bachelor/Master degree or equivalent by experience. * Agile mindset: positive attitude, pragmatism, thirst for knowledge, focus on team success, and continuous improvement. * Cross-functional contribution: willingness to take on other roles and disciplines as needed. * At least 6 years of relevant experience. * Technical experience (mandatory): + Software craftsmanship and clean code principles. + Understanding of OO principles, DDD, design patterns, and SOLID principles. + Readable code and refactoring skills. + Practical experience with Test Driven Development (TDD). + Willingness to pair program. + Proven knowledge of Java, Spring, Maven, DB. + Proven knowledge of Restful APIs with swagger (yaml). + Proven knowledge of VCS (Git). + Proven knowledge of Continuous Integration/Deployment principles (Jenkins or alternative). + Proven knowledge of SAST (SonarQube, Fortify, NexusIQ or alternative). + Knowledge of Docker, Container, and Groovy. + Participation in API automation testing. * Technical experience (nice to have): + Technical knowledge about banking infrastructure and frameworks. * Business experience (preferable): + Practical experience with Scrum. * Soft skills: + Active knowledge sharing and improvement suggestions. + Ability to adapt and bond with new colleagues. + Collaboration and feedback-oriented personality. + Ability to challenge requirements based on expertise. ## Description The IT Developer position 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 and values to every engagement., * Take an important role in the Agile transformation of a major business bank in Belgium, working within multi-disciplinary teams responsible for digital solutions for enterprise clients. * Develop features end-to-end, including frontend parts in mobile applications and backend parts in cloud systems. * Join a team composed of internal and external members, working in an Agile squad responsible for Dev and Ops activities. * Translate requirements into high quality code. * Design, build, and maintain high performance, reusable, and reliable applications, with a focus on backend development using Java and Spring Framework. * 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 applications. * Apply development best practices to ensure code quality. * Identify and correct bottlenecks and fix bugs. * Be involved in Ops activities, including the setup of CI/CD pipelines., * 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, broadening your expertise. * Turbo-Charged Learning: Benefit from professional development and continuous learning opportunities. * Skyrocketing Ambition: Keystone Solutions is committed to your career growth within our consultancy framework. * Values: As a K-Stone, you bring our core values to every engagement, making a real impact. ## Related Videos - [Docker Compose: Rediscovered](https://www.wearedevelopers.com/videos/1978-docker-compose-rediscovered) - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [CI/CD with Github Actions](https://www.wearedevelopers.com/videos/856-ci-cd-with-github-actions) - [Navigating the Corporate Jungle: Life as a Developer in a large Company](https://www.wearedevelopers.com/videos/621-navigating-the-corporate-jungle-life-as-a-developer-in-a-large-company) - [Git for Code Reviews](https://www.wearedevelopers.com/videos/429-git-for-code-reviews) - [Next Level Enterprise Architecture: Modular, Flexible, Scalable, Multichannel and AI-Ready?](https://www.wearedevelopers.com/videos/1017-next-level-enterprise-architecture-modular-flexible-scalable-multichannel-and-ai-ready) ## Related Articles - [Where to Find Entry-Level Software Engineering Jobs](https://www.wearedevelopers.com/magazine/397-where-to-find-entry-level-software-engineering-jobs) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market) - [The Netherlands – Europe’s powerhouse for software development?](https://www.wearedevelopers.com/magazine/31-the-netherlands-europe-s-powerhouse-for-software-development) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [How to land a developer job in Amsterdam](https://www.wearedevelopers.com/magazine/36-how-to-land-a-developer-job-in-amsterdam)