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Keystone Solutions

Frontend Developer - React

Keystone Solutions • Brussels, Belgium

About the Role:

As a Front-End Developer on a consultancy mission at a client site through Keystone Solutions, you will play a vital role in a dynamic digital team responsible for building and maintaining high-performance web applications that support banking operations and enhance customer experience. You will work closely with UX/UI designers, back-end developers, and business stakeholders to deliver scalable and secure solutions as a Keystone Solutions consultant.

Key Responsibilities:

  • Develop and maintain React-based web applications, ensuring clean, reusable, and efficient code as a Keystone Solutions consultant.
  • Collaborate with designers to implement responsive and accessible user interfaces.
  • Integrate front-end components with RESTful APIs and Swagger contracts.
  • Optimize application performance and ensure cross-browser compatibility.
  • Participate in Agile ceremonies and contribute to sprint planning, reviews, and retrospectives.
  • Write and maintain technical documentation for developed features and components.
  • Propose and implement UX/UI improvements to enhance user experience.
  • Ensure compliance with internal security and accessibility standards (e.g., WCAG).


Technical Environment:

  • Languages & Frameworks: React.js, TypeScript, JavaScript (ES6+), HTML5, CSS3, Redux, Next.js (optional)
  • Tools: Git, Jira, IntelliJ, Postman, React Testing Library, Jest
  • Back-End Integration: REST APIs, Node.js (optional)
  • Methodology: Agile (Scrum)
  • Cloud & DevOps (optional): Azure, GitLab CI/CD, Docker


Profile:

  • Bachelor's degree in Computer Science or equivalent experience.
  • 3+ years of experience in front-end development, ideally within financial or enterprise environments.
  • Strong proficiency in React and its ecosystem.
  • Familiarity with accessibility standards and performance optimization.
  • Fluent in French and English; Dutch is a plus.
  • Excellent communication and teamwork skills.
  • Detail-oriented, proactive, and committed to continuous learning.


If you are ready to tackle technical and strategic challenges in a dynamic consultancy environment, apply today at Keystone Solutions Career Portal.

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