Senior ReactJS Developer at Advansys – Cairo | Jobyssey

Job summary

We are seeking a highly skilled and experienced senior ReactJS developer to join our engineering team. The ideal candidate will be responsible for designing, developing, and maintaining scalable, high-performance web applications using ReactJS and modern front-end technologies. The role requires strong technical expertise, leadership capabilities, and the ability to collaborate closely with cross-functional teams to deliver exceptional digital products.

Key responsibilities

Design, develop, and maintain responsive, reusable, and scalable front-end applications using ReactJS.

Translate UI/UX designs and business requirements into high-quality, efficient code.

Architect and implement front-end solutions that ensure performance, security, and maintainability.

Lead technical discussions, conduct code reviews, and promote best development practices.

Collaborate with product managers, UI/UX designers, backend developers, and QA teams throughout the software development lifecycle.

Optimize applications for maximum speed, performance, and cross-browser compatibility.

Develop and integrate RESTful APIs and third-party services.

Troubleshoot, debug, and resolve complex technical issues.

Write clean, well-documented, and testable code while ensuring adherence to coding standards.

Mentor junior developers and contribute to the continuous improvement of development processes and technologies.

Qualifications & experience

Bachelor's degree in computer science, software engineering, information technology, or a related field.

5+ years of experience in front-end development, with at least 5 years of hands-on experience using ReactJS.

Strong proficiency in JavaScript (ES6+), TypeScript, HTML5, CSS3, and modern front-end development principles.

Extensive experience with React Hooks, Context API, Redux, and state management libraries.

Solid understanding of component-based architecture and responsive design principles.

Experience consuming and integrating RESTful APIs and working with JSON data structures.

Familiarity with version control systems, particularly Git.

Experience with unit testing frameworks such as Jest and React Testing Library.

Knowledge of build tools and package managers, including Webpack, Vite, and npm/yarn.

Experience working within Agile/Scrum environments.

Preferred qualifications

Experience with Next.js and server-side rendering (SSR).

Familiarity with CI/CD pipelines and cloud platforms.

Understanding of micro-frontend architecture and design patterns.

Knowledge of performance optimization, accessibility standards, and web security best practices.

Required competencies

Strong analytical and problem-solving skills.

Excellent communication and collaboration abilities.

Leadership and mentoring capabilities.

Ability to work effectively in fast-paced and dynamic environments.

Strong ownership, accountability, and attention to detail.

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Job summary

Key responsibilities

Qualifications & experience

Preferred qualifications

Required competencies