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Senior Front-End Developer – React.js

On-site Full-time

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Experience Level

Senior

Qualifications

Education: Master’s degree in Computer Science or equivalentRequired Experience: A minimum of 7 years in Front-End development with React.jsEssential Skills:React.js (Hooks, Context API, Redux or other state management)JavaScript ES6+ / TypeScriptHTML5 / CSS3 / SCSSREST API integrationResponsive DesignFront-end testing (Jest, React Testing Library)Build tools (Vite / Webpack)Version control (Git / GitLab)CI/CD (GitLab CI/CD)Strong understanding of UX/UI principlesAgile / Scrum methodology

About the job

We are seeking a highly skilled Senior Front-End Developer to join our team at ALTEN Sénégal. The ideal candidate will be responsible for designing and developing modern, high-performance user interfaces.

Main Responsibilities:
• Develop and maintain Front-End applications using React.js
• Design modular and scalable front-end architectures
• Integrate REST APIs in collaboration with back-end teams
• Implement best practices including Clean Code and SOLID principles
• Establish unit tests and integration tests using Jest and React Testing Library
• Optimize performance through techniques such as lazy loading and code splitting
• Collaborate with designers in UX/UI design phases
• Contribute to continuous improvement and software quality

About ALTEN Sénégal

ALTEN Sénégal, located in Dakar, is a subsidiary of the ALTEN Group, a global leader in engineering and technology consulting. We play a pivotal role in fostering the professional development of engineers in West Africa and support our clients' growth strategies in innovation and technological information systems. Our mission is to meet the technological ambitions of our clients—major international corporations—across sectors such as automotive, railway, IT, telecommunications, and media. Joining ALTEN Sénégal means becoming part of an ecosystem of excellence, offering:• A personalized and evolving career path• An ambitious skills development policy• A stimulating, collaborative work environment that provides meaningful engagement

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