Senior Web Application Developer

Part of the Capgemini Group, Sogeti makes business value through technology for organizations that need to implement innovation at speed and want a local partner with global scale. With a hands-on culture and close proximity to its clients, Sogeti implements solutions that will help organizations work faster, better, and smarter. By combining its agility and speed of implementation through a DevOps approach, Sogeti delivers innovative solutions in quality engineering, cloud and application development, all driven by AI, data and automation.

At Sogeti USA, we are committed to building a long and enduring relationship with our employees and to creating an environment that rewards and empowers. Our mission is to constantly exceed our employees' expectations in the same way that we strive to exceed our clients' expectations. We offer an environment that celebrates innovation and helps you to achieve a good balance between your professional and personal life. We strive to be an employer of choice!

Job description:

We are seeking a highly skilled Senior Web Application Developer specializing in Next.js and Vercel to develop, optimize, and maintain cutting-edge eCommerce web applications. The ideal candidate will have deep expertise in modern web development, shift-left testing practices, and performance optimization, with the ability to lead technical initiatives and collaborate effectively with offshore development teams to deliver exceptional, scalable, and user-centric eCommerce experiences.

Key responsibilities:

• Development: Build and maintain robust, scalable web applications using Next.js and Vercel, leveraging server-side rendering (SSR), static site generation (SSG), and incremental static regeneration (ISR) to ensure high performance and SEO optimization.
• Technical Leadership: Guide and mentor offshore developers, ensuring high-quality code delivery, adherence to best practices, and alignment with project goals.
• Shift-Left Testing: Implement shift-left testing by integrating automated unit, integration, and end-to-end tests early in the development process using tools like Jest, React Testing Library, and Cypress to ensure quality and minimize defects.
• Performance Optimization: Optimize web applications for speed and scalability, utilizing Vercel’s analytics, edge caching, and Next.js features (e.g., image optimization, code splitting) to achieve fast load times and superior user experiences.
• eCommerce Implementation: Develop seamless eCommerce experiences, integrating with platforms like Shopify, Stripe, or custom APIs to deliver secure, intuitive, and scalable user journeys.
• Collaboration: Work closely with architects, designers, product managers, and offshore teams to translate requirements into technical solutions, ensuring effective communication across time zones.
• DevOps Integration: Leverage Vercel’s CI/CD pipelines and Git workflows to streamline development, testing, and deployment processes for rapid and reliable releases.
• Code Quality: Adhere to coding standards, participate in code reviews, and use tools like ESLint and Prettier to maintain consistent, high-quality codebases.
• Problem-Solving: Proactively identify and resolve technical challenges, contributing to innovative solutions that enhance application performance and user engagement.

Required Skills/Qualifications:

• Experience: 5+ years of experience in web development, with at least 2 years focused on Next.js and Vercel in production environments.
• Technical Expertise:
• Strong proficiency in Next.js, including SSR, SSG, ISR, and API routes.
• Hands-on experience with Vercel platform features, including edge functions, analytics, and deployments.
• Expertise in React, TypeScript, and modern JavaScript (ES6+).
• Proficiency in shift-left testing with tools like Jest, React Testing Library, Cypress, or Playwright.
• Knowledge of performance optimization techniques, including lazy loading, code splitting, and image optimization.
• eCommerce Experience: Demonstrated experience building eCommerce web applications, with familiarity integrating payment gateways, CMS platforms, or headless commerce solutions.
• Leadership: Experience mentoring or leading small development teams, with the ability to work effectively with offshore or distributed teams.
• DevOps: Familiarity with CI/CD pipelines, Git workflows, and Vercel deployment processes.
• Communication: Strong verbal and written communication skills, with the ability to collaborate across time zones and cultures.
• Problem-Solving: Analytical mindset with a proactive approach to resolving technical challenges

Preferred Qualifications:

• Experience with headless CMS platforms (e.g., Contentful, Sanity) and GraphQL for eCommerce applications.
• Familiarity with Tailwind CSS or other modern CSS frameworks for efficient UI development.
• Knowledge of Web Vitals and tools like Lighthouse for performance auditing.
• Experience with A/B testing or analytics platforms (e.g., Google Analytics, Vercel Analytics) to support data-driven optimizations.
• Certification in Next.js or Vercel platforms

Education:

• Bachelor's or Master's degree in Computer Science, Software Engineering, or a related field.

Life at Sogeti

We support 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) (matched 150% up to 6%) and Employee Share Ownership Plan
• 100% Company-paid mobile phone plan
• 3 weeks Personal Time Off (PTO) and 7 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
• Continuing Education: $12,000 Annual Tuition Reimbursement plus access to over 20,000 online courses and certifications through Capgemini University, as well as Coursera and Degreed.
• Programs for Counseling, Support, Health and Fitness perks, Auto discounts and much, much more!
• Employee Resource Groups
• Disaster Relief

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.

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.

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

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.