**Job description:** Capgemini is looking for a Senior React JS Developer. This will be an onsite role in Philadelphia. **Key Responsibilities:** • Developing new user-facing features and components, using React's component-based architecture, and ensuring efficient rendering performance • Optimizing web applications for maximum speed and scalability, while ensuring a smooth and delightful user experience across various devices and browsers • Building reusable components and front-end libraries for future • Troubleshooting, debugging & optimizing code to enable maximum performance across devices and browsers. • Providing code documentation and other inputs to technical documents. • Conducting and participating in code reviews and providing constructive feedback to team members • Collaborating with multi-functional teams to define project requirements and scope. • Should have good interpersonal, communication, collaboration skills and presentation skills. **Required Skills:** • Must have proven experience in React.js as well as experience in React.js workflows (Flux/Redux) • Should be proficient in React.js and its core principles and have a proven understanding of related web technologies such as JavaScript (ES6 ), HTML5, and CSS3 and writing cross-browser compatible code. • Strong UI hands-on experience in coding on technologies (React JS and Front end technologies) who has excellent programming skills in the latest tools and technology frameworks, Bootstrap, ReactJS, React hooks, Redux, JavaScript, HTML, CSS, Sitecore and JQuery. • Good understanding of RESTful APIs and experience integrating them into React applications. • Developer possesses version control skills using Git and experience with collaborative development workflows. • Strong problem-solving abilities, attention to detail, and a passion for crafting visually beautiful and intuitive user interfaces. • Good Experience with React JS-based UI development, JavaScript, web stacks, libraries, and frameworks. • Content management system (CMS) knowledge • Knowledge of sophisticated web design tools and applications such as Adobe Photoshop / Adobe Illustrator / WordPress / Web flow / Figma. • Ensures that websites are accessible on all devices, optimized for search engines, and provide a consistent user experience. • Experience in Oracle PL SQL • Should have proven ability to work in an AGILE environment. **\#LI-MS4** **\#LI-HYBRID** **Life at Capgemini** Capgemini supports all aspects of your well-being throughout the changing stages of your life and career. For eligible employees, we offer: + Flexible work + Healthcare including dental, vision, mental health, and well-being programs + Financial well-being programs such as 401(k) and Employee Share Ownership Plan + Paid time off and paid holidays + Paid parental leave + Family building benefits like adoption assistance, surrogacy, and cryopreservation + Social well-being benefits like subsidized back-up child/elder care and tutoring + Mentoring, coaching and learning programs + Employee Resource Groups + Disaster Relief **About Capgemini** Capgemini is a global business and technology transformation partner, helping organizations to accelerate their dual transition to a digital and sustainable world, while creating tangible impact for enterprises and society. It is a responsible and diverse group of 340,000 team members in more than 50 countries. With its strong over 55-year heritage, Capgemini is trusted by its clients to unlock the value of technology to address the entire breadth of their business needs. It delivers end-to-end services and solutions leveraging strengths from strategy and design to engineering, all fueled by its market leading capabilities in AI, cloud and data, combined with its deep industry expertise and partner ecosystem. The Group reported 2023 global revenues of €22.5 billion. Get The Future You Want | www.capgemini.com **Disclaimer** Capgemini is an Equal Opportunity Employer encouraging diversity in the workplace. All qualified applicants will receive consideration for employment without regard to race, national origin, gender identity/expression, age, religion, disability, sexual orientation, genetics, veteran status, marital status or any other characteristic protected by law. This is a general description of the Duties, Responsibilities and Qualifications required for this position. Physical, mental, sensory or environmental demands may be referenced in an attempt to communicate the manner in which this position traditionally is performed. Whenever necessary to provide individuals with disabilities an equal employment opportunity, Capgemini will consider reasonable accommodations that might involve varying job requirements and/or changing the way this job is performed, provided that such accommodations do not pose an undue hardship. Capgemini is committed to providing reasonable accommodations during our recruitment process. If you need assistance or accommodation, please reach out to your recruiting contact. Click the following link for more information on your rights as an Applicant http://www.capgemini.com/resources/equal-employment-opportunity-is-the-law Please be aware that Capgemini may capture your image (video or screenshot) during the interview process and that image may be used for verification, including during the hiring and onboarding process. Applicants for employment in the US must have valid work authorization that does not now and/or will not in the future require sponsorship of a visa for employment authorization in the US by Capgemini. **Job:** _Programmer/Analyst_ **Organization:** _NA APPS LOC PRACTICE_ **Title:** _Programmer/Developer Lead - React JS_ **Location:** _PA-Philadelphia_ **Requisition ID:** _077358_