Front End Developer React

We are seeking a Front-End Developer (React) for a consultancy mission at a client site representing Keystone Solutions. In this role, you will be responsible for developing, implementing, and maintaining user-friendly, high-performance, and secure front-end applications within a React environment to ensure a stable and modern user experience that optimally supports business processes and end-users.

• →Contribute to the renewal of hardware and/or software components and perform necessary functional or technical analyses to meet the needs of end-users and the company.
• →Manage and follow up on technical needs within front-end applications.
• →Advise on technology choices (React, UI frameworks, tooling).
• →Design solutions with a focus on user experience and front-end architecture.
• →Translate functional needs into user-friendly interfaces.
• →Develop or determine technical requirements for, as well as implement, new hardware or software and applications to provide a quality set of equipment and applications.
• →Develop front-end applications using React.
• →Work according to Agile methodology using Azure DevOps.
• →Integrate front-end components with APIs and back-end services.
• →Utilize Git for version control.
• →Monitor, maintain, test, and secure the IT infrastructure and/or software applications to ensure a high degree of reliability, security, and usability for end-users.
• →Perform unit and integration testing.
• →Apply front-end security best practices.
• →Ensure performance, accessibility, and user experience.
• →Maintain qualitative and stable front-end components.
• →Maintain data structures and/or system settings, providing a performant environment for data management and ensuring backups of user files to guarantee the correctness of business data and quick recovery in case of loss or damage.
• →Work with data from APIs and back-end systems.
• →Ensure correct processing and presentation of data.
• →Support data integration within front-end applications.
• →Analyze, resolve, and follow up on application or network-related issues to restore the operation of these applications or networks.
• →Debug front-end issues.
• →Provide second-line support.
• →Proactively avoid production issues.
• →Formulate proposals for renewal and optimization of the activity domain to meet current and future business needs.
• →Propose improvements in front-end architecture and development practices.
• →Keep up with developments within the React ecosystem.
• →Promote usability, accessibility, and performance.
• →Ensure knowledge retention and keep data and documentation up to date for your area of expertise, as well as communicate information to maintain a correct and complete picture of all available components and applications throughout their lifecycle.
• →Document front-end components, guidelines, and architecture.
• →Share knowledge within the team.
• →Work according to structured documentation standards.

• React
• JavaScript / TypeScript
• HTML5 & CSS3
• Responsive Design
• REST API integration
• Git
• Azure DevOps
• Agile working methodology
• Front-end & Integration testing
• Front-end security & accessibility best practices
• Experience with UX Design is a strong plus

Dutch or French
Level Native or bilingual proficiency
English
Level Professional working proficiency

• Medior profile (approximately 2-3 years of experience)
• Bachelor's degree or equivalent through experience
• Strong in maturity, drive, and team fit
• Strong focus on user experience and quality
• Interest in modern front-end technologies and continuous improvement

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

• Agile - Level: Intermediate - Most recent: This year
• Azure DevOps - Level: Intermediate - Most recent: This year
• CSS3 - Level: Intermediate - Most recent: Any time
• Frontend & Integration Testing - Level: Intermediate - Most recent: This year
• Frontend Security - Level: Intermediate - Most recent: This year
• GIT - Level: Intermediate - Most recent: This year
• HTML5 - Level: Intermediate - Most recent: Any time
• Javascript - Level: Intermediate - Most recent: This year
• React - Level: Intermediate - Most recent: This year
• Responsive Design - Level: Intermediate - Most recent: Any time
• REST API integratie - Level: Intermediate - Most recent: Any time
• TypeScript - Level: Intermediate - Most recent: Any time
• UX Design - Level: Intermediate - Most recent: This year