Senior IT Developer Consultant

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.

• 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.