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Senior Front End Engineer - React JS

Capgemini

Philadelphia, PA
Full Time
Senior
4 days ago

Job Description

About the Role

Senior Frontend Engineer / Technical & Solution Design Lead We are seeking a highly skilled Senior Frontend Engineer with deep expertise in React.js and modern frontend architecture to lead the design and implementation of scalable, high-performance web applications. This role combines hands-on engineering with technical leadership, driving innovation and excellence across the frontend stack.

Key Responsibilities

  • Architect and implement modular, scalable, and high-performance frontend solutions using JavaScript/TypeScript, React, and Next.js.
  • Design composable user experiences integrated with headless CMS, digital asset management (DAM) systems, and real-time personalization engines.
  • Lead initiatives to optimize Core Web Vitals, SEO, and WCAG 2.2 accessibility compliance.
  • Drive observability through custom SDKs and performance monitoring tools.
  • Establish high-velocity engineering workflows using monorepos (e.g., Nx, TurboRepo), CI/CD automation, and AI-powered developer tools (e.g., GitHub Copilot, Cody).
  • Integrate secure, scalable APIs (GraphQL, REST, OAuth) and deliver edge-optimized experiences via Akamai EdgeWorkers and advanced caching strategies.

Requirements

  • 7 years of experience in frontend development with a strong focus on React.js and modern JavaScript/TypeScript.
  • Proven experience designing and leading frontend architecture for large-scale applications.
  • Deep understanding of performance optimization, accessibility standards, and SEO best practices.
  • Hands-on experience with monorepo management, CI/CD pipelines, and developer productivity tooling.
  • Strong knowledge of API integration patterns and edge computing strategies.

Nice to Have

  • Experience with headless CMS and digital asset management systems.
  • Knowledge of performance monitoring and observability tools.
  • Familiarity with AI-powered developer tools like GitHub Copilot and Cody.
  • Experience with Akamai EdgeWorkers and advanced caching strategies.

Qualifications

  • Educational background not explicitly specified in the description.

Benefits & Perks

  • 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

Working at Capgemini

Capgemini supports all aspects of your well-being throughout the changing stages of your life and career. It is a responsible and diverse group of 340,000 team members in more than 50 countries, committed to creating tangible impact for enterprises and society through digital and sustainable transformation. The company values diversity and encourages equal employment opportunities.

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Job Details

Posted AtJul 19, 2025
SalaryCompetitive salary
Job TypeFull Time
Work ModeOnsite
ExperienceSenior

Job Skills

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About Capgemini

Website

capgemini.com

Location

Philadelphia, PA

Industry

Computer Systems Design Services

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