Senior Frontend Developer jobs in United States
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VySystems · 5 hours ago

Senior Frontend Developer

positionCalifornia, United States
timeContract
remoteOnsite
senioritySenior Level
date6+ years exp

VySystems 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.

AppsConsultingDigital MarketingInformation TechnologyInfrastructureIT InfrastructureIT ManagementWeb Development

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/RTL/EnzymeGitAgile/ScrumPerformance optimizationAccessibility (WCAG/ADA)Next.jsCharting/grid libraries

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

VySystems

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Vy Systems is a part of vy.ventures and is in the business of Technology consulting, Solutions, and Managed Services, providing invaluable services across many countries since 2002.
dateFounded in 2000
location
Santa Clara, California, USA
people-size501-1000 employees
web-link
https://vysystems.com/

Funding

Current Stage
Late Stage

Leadership Team

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Ramesh Santhanam
Founder and CSO
Company data provided by crunchbase