280 senior frontend developer jobs at 197 companies in Parsippany, NJ

2w
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Senior Frontend Developer
Berlin or Lisbon or London or Dordrecht or Pune or New York City or Madrid or Heidelberg
HybridFull Time
Springer Nature
Springer NatureFrankfurt Stock Exchange: SPG: Public global publisher serving researchers, educators, clinicians and other professionals with academic, health and educational content.
Mid-to-senior frontend development experience with complex systems, UI components, accessibility, maintainability, collaboration, and frontend practices. English communication skills required.
Node.js, Express
1mo
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Senior Frontend Engineer
New York City, New York, United States
$180k-$230k/yr HybridFull Time
Monstro
Monstro: Private fintech providing governed AI financial intelligence to banks and wealth managers.
5+ YOE5+ years frontend experience, strong React and TypeScript skills, frontend testing and accessibility experience, UX appreciation, CI/CD and build tooling familiarity, strong communication.
React, TypeScript, Claude, Codes, Python, CI/CD
2mo
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Senior Frontend Engineer
San Francisco or New York City or United States
HybridFull Time
Beast Industries
Beast Industries: Creator-led entertainment and consumer-products serving global audiences through video, snacks, software, philanthropy, and financial services.
8+ YOE8+ years software engineering with deep frontend experience in JavaScript/TypeScript, performance optimization, accessibility, AI-assisted tooling, architecture ownership, and mentoring peers.
JavaScript, TypeScript, React, Vue, Angular, AI coding agents, CI/CD
2mo
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Senior Frontend Engineer
San Francisco or New York
$190k-$300k/yr HybridFull Time
Baseten
Baseten: Private AI infrastructure provider that trains, deploys, and serves artificial-intelligence models for businesses.
5+ YOE5+ years building production web apps; deep expertise in React and TypeScript; strong product intuition, UX empathy, cross-functional collaboration, and experience with modern frontend tooling.
React, TypeScript, Tailwind CSS, Next.js, WebSockets
1d
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Senior Frontend Engineer
New York City, New York, United States
$180k-$240k/yr OnsiteFull Time
High Roller Technologies
High Roller TechnologiesNYSE American: ROLR: Public online gaming operator offering real-money casino services and prediction markets to consumers worldwide.
5+ YOERequires 5–7 years of frontend engineering experience, deep React expertise, strong TypeScript and JavaScript skills, production web application experience, real-time interfaces, authentication, accessibility, HTML/CSS, APIs, debugging, and performance optimization.
React, React Native, TypeScript, JavaScript, WebSockets, Keycloak, OAuth 2.0, OIDC, PKCE, WebAuthn, WCAG 2.1 AA, HTML, CSS, Sentry, Datadog RUM
1mo
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Senior Frontend Developer
Greenwich, Connecticut, United States
HybridFull Time
Interactive Brokers
Interactive BrokersNASDAQ: IBKR: Global electronic brokerage firm providing automated trading technology.
5+ YOE5+ years commercial SPA development experience; degree in CS or related; strong JavaScript/HTML/CSS skills; experience with Vue/React/Angular, TypeScript, webpack/Vite, API integration, and AI/agentic development tools.
Vue 3, TypeScript, VueJs, Vuex, Pinia, Vite, Cypress, webpack, React.js, Angular.js, Claude Code, JavaScript, HTML, CSS, LESS
2w
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Senior Frontend Engineer
New York City, New York, United States
$190k-$215k/yr OnsiteFull Time
Tennr
Tennr: Private healthcare technology providing an agentic patient-orchestration platform for healthcare providers.
5+ YOERequires 5+ years in UI/UX engineering, front-end, or full-stack development; strong JavaScript, React, and TypeScript knowledge; scalable web application, performance, accessibility, coding, communication, and collaboration skills.
JavaScript, React, TypeScript
1mo
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Senior Frontend Engineer (React)
New York City, New York, United States
$180k-$275k/yr OnsiteFull Time
Medal
Medal: Private AI research lab building action and world models for virtual and physical environments.
5+ YOE5+ years frontend experience with React/Redux/Node/Electron; strong attention to performance, profiling, A/B testing, and shipping high-quality features; ability to work onsite in NYC.
Electron, React, Redux, Styled Components, Node, Java, C#, C++, Swift, Kotlin, Redis, RabbitMQ, Kubernetes, Terraform, Salt, GitHub Actions, CircleCI
3mo
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Frontend Engineer
New York City, New York, United States
$160k-$220k/yr OnsiteFull Time
Linero
Linero: AI-native software building operational infrastructure for AI labs, defense primes, and semiconductor giants.
4+ YOE4+ years frontend engineering, strong React/TypeScript, data-rich enterprise UI, design systems experience, NYC-based or relocation.
React, JavaScript, TypeScript, Frontend Architecture, UI/UX, Design Systems
2w
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Frontend Engineer
Mexico City or New York City
OnsiteFull Time
Nelo
Nelo: Mexican consumer-finance app offering buy-now-pay-later credit, bill payments, cash withdrawals, and a physical card.
Substantial experience shipping consumer-facing frontend products in production; deep React or React Native fluency; end-to-end ownership; English proficiency; payments experience and AI coding tool use are strong signals.
React, React Native, Claude Code, Linear, Slack, Metabase
1w
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Staff Frontend Engineer
New York, New York, United States
OnsiteFull Time
Bags.fm
Bags.fm: Solana token-launch and trading platform helping creators, artists, entrepreneurs, and agents fund projects through trading royalties.
Staff-level frontend engineer with deep production React experience, strong frontend architecture and performance expertise, and experience with React, Next.js, and TypeScript at scale.
React, Next.js, TypeScript
3mo
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Senior Software Engineer, Frontend
New York or San Francisco or Seattle or Vancouver
$192k-$240k/yr HybridFull Time
Brex
BrexNew York Stock Exchange: COF: Intelligent finance platform for corporate card and spend management.
7+ YOE7+ years of frontend experience with ES6+, React, TypeScript, and Webpack; end-to-end client-side development; strong communication and collaboration.
ES6+, React, TypeScript, Webpack, React Native
2mo
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Mid/Senior Frontend Developer
Krakow or San Francisco or Los Angeles or New York City or London or Singapore or Beijing or Seoul or Tokyo or Vancouver or Poland or North America or Europe or Asia or Africa or South America
RemoteFull Time
Sensor Tower
Sensor Tower: Digital intelligence provider helping companies understand consumer behavior and market performance across apps, platforms, and gaming.
4+ YOE4+ years engineering experience with JavaScript/TypeScript and React; ability to architect scalable frontend systems, design state management, write tests (Jest/Playwright), optimize web performance, mentor peers, and partner with product.
JavaScript, TypeScript, React, TanStack Query, React Router, Zustand, Redux, MobX, Next.js, Jest, Playwright, Highcharts, Ruby on Rails, Angular, ClickHouse, MongoDB, PostgreSQL, GitHub
2mo
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Senior Frontend Engineer
San Francisco or New York City
$150k-$250k/yr OnsiteFull Time
Halliday
Halliday: Private blockchain payments providing embedded cross-chain deposits and onchain payment infrastructure to developers.
2+ YOE2+ years building production frontends with React and TypeScript, strong frontend fundamentals (state management, API integration, responsive design, performance), product mindset, collaboration skills, and willingness to be based in SF Bay Area or NYC.
React, TypeScript, Workflow Protocol, ethers.js, viem, wagmi
2mo
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Senior Frontend Engineer (React.js / Micro Frontends)
Stamford, Connecticut, United States
$145k-$175k/yr OnsiteFull Time
Publicis Sapient
Publicis Sapient: Enterprise technology helping global organizations modernize systems, deploy AI agents, and improve operations.
5+ YOE5+ years frontend experience with React.js, JavaScript (ES6+), HTML5/CSS3, state management (Zustand/Redux/Context API), testing (Jest/React Testing Library), RESTful APIs, Microsoft Azure/Azure DevOps, CI/CD, module federation/micro frontends, performance, security, and accessibility.
React.js, JavaScript (ES6+), HTML5, CSS3, Material-UI, Styled Component, Webpack, Rollup, Storybook, React-Router-Dom, Zustand, Redux, Context API, Jest, React Testing Library, RESTful APIs, Microsoft Azure, Microsoft Azure DevOps, CI/CD, module federation, Docker, Next.js, DevExtreme DataGrid, ExcelJS
1mo
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Frontend Developer (Angular)
Westlake or New York City
$75k-$90k/yr OnsiteFull Time
Capgemini
CapgeminiEuronext Paris: CAP: Global leader in consulting, digital transformation, and engineering services.
6+ YOE6–9 years frontend experience; strong Angular, TypeScript, JavaScript, HTML5, CSS3/SCSS, RxJS, NgRx; experience with PrimeNG/Angular Material/AG-Grid; testing with Jest/Cypress/Playwright; CI/CD and Agile experience.
Angular, TypeScript, JavaScript, HTML5, CSS3, SCSS, RxJS, NgRx, PrimeNG, Angular Material, AG-Grid, Jest, Cypress, Playwright, CI/CD
2w
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Frontend Engineer, Platform
San Francisco or New York City
$130k-$220k/yr HybridFull Time
Doppel
Doppel: AI-native cybersecurity platform protecting individuals and brands from impersonation, phishing, fraud, and social engineering.
5+ YOE5+ years of software engineering experience with deep React and TypeScript expertise, production web application experience, and frontend platform ownership. Strong communication and autonomous product mindset required.
React, TypeScript, Relay, GraphQL, Figma, Storybook
2d
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Lead Frontend Engineer
New York City, New York, United States
$180k-$240k/yr HybridFull Time
US Mobile
US Mobile: Private American mobile virtual network operator providing prepaid phone plans across three nationwide wireless networks.
12+ YOE12+ years of frontend engineering experience, technical leadership or people management, and a bachelor's degree in a technical field. Requires TypeScript, React, CSS-in-JS or equivalent styling, and state management experience.
TypeScript, React, CSS-in-JS, Tanstack Query, Redux, Zustand, React Native, Rust
3mo
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Senior Frontend Engineer (AI-Accelerated, Financial Systems)
New York or Toronto
$140k-$170k/yr OnsiteFull Time
Kroll
Kroll: Global risk and financial advisory firm.
5+ YOE5+ years frontend experience with React/TypeScript; strong state management; API integration; data-heavy, enterprise apps; Azure/Kubernetes; experience in financial platforms; AI-assisted development.
React, TypeScript, Redux, Zustand, REST, GraphQL, C#, Python, SQL, Azure, Kubernetes, Copilot, ChatGPT, Cursor
3mo
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Senior Software Engineer I, Frontend Infrasturcture & Experience
Chicago or New York City
$129k-$209k/yr HybridFull Time
Braze
BrazeNASDAQ: BRZE: Customer engagement platform for cross-channel marketing and analytics.
5+ YOE5+ years in software engineering; strong frontend with TypeScript/React; experience building reusable frontend systems; focus on accessibility, performance, and maintainability; able to lead large projects and mentor others.
TypeScript, React, Cypress, Jest, Ruby on Rails