React Developer jobs in United States
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Ampstek · 17 hours ago

React Developer

positionSan Leandro, CA
timeContract
remoteOnsite
senioritySenior Level
date6+ years exp

Ampstek is seeking a Senior React Developer with a strong programming background to lead the design and implementation of high-quality, performant front-end applications. The role involves shaping UI architecture, mentoring engineers, and collaborating closely with product, design, and backend teams to deliver resilient, accessible, and scalable user experiences.

IT Management
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Growth Opportunities
Hiring Manager
Aravinth N
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Responsibilities

Lead front-end architecture and develop complex, reusable React components and hooks
Drive state management patterns (e.g., Redux) and ensure predictable data flows in large applications
Integrate REST APIs, handle JSON payloads, and optimize network interactions
Enforce coding standards, conduct code reviews, and improve test coverage with Jest/React Testing Library/Enzyme
Partner with designers to implement responsive, accessible UIs using HTML5, CSS3/SASS, and component libraries (e.g., Material UI/React Bootstrap)
Champion performance and accessibility best practices; instrument and debug with modern browser tools
Collaborate in Agile ceremonies; help define stories, acceptance criteria, and release plans

Qualification

React.jsJavaScript/TypeScriptReduxHTML5CSS3/SASSJest/React Testing LibraryGitAgile/ScrumPerformance optimizationAccessibility (WCAG/ADA)

Required

6–10+ years of professional software development, with 4+ years focused on React.js at scale
Expert-level JavaScript/TypeScript and deep knowledge of ES6+ patterns and React internals
Proven experience with Redux, component composition, custom hooks, and performance optimization
Strong front-end engineering fundamentals: semantic HTML, modern CSS, responsive design, and accessibility (WCAG/ADA)
Hands-on testing experience (unit, integration, E2E) with Jest/RTL/Enzyme; CI integration
Proficiency with Git and common workflows; comfort with Agile/Scrum delivery

Preferred

Familiarity with Next.js, charting/grid libraries (e.g., agGrid, Recharts/Highcharts), and modern build tooling
Experience collaborating with cross-functional teams in regulated or enterprise environments

Company

Ampstek

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Ampstek supplies thousands of tech and digital professionals annually to a range of clients through its offices which spread across in 42 countries.
dateFounded in 2003
location
Princeton, New Jersey, USA
people-size1001-5000 employees
web-link
https://www.ampstek.com

Funding

Current Stage
Late Stage

Leadership Team

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Rekha Pathy
CEO
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Company data provided by crunchbase