101 senior frontend engineer jobs at 76 companies in Lockport, NY
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Senior Frontend Engineer, Platform
San Francisco or Toronto or United States or Canada
$190k-$249k/yr RemoteFull Time
5+ YOE5+ years engineering experience, building production-quality software; ownership of projects end-to-end; experience with frontend systems for deploying LLM-based algorithms; strong communication, mentoring, and cross-team collaboration skills.
LLM, Kubernetes
3mo
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Senior Frontend Engineer
Toronto, Ontario, Canada
$140k-$175k/yr HybridFull Time
Frontend engineer with React, TypeScript, JavaScript; data-heavy, configurable UIs; dashboards and BI experience; strong UX and collaboration skills.
React, TypeScript, JavaScript, SASS, Jest, Cypress, AWS, Docker, Java, Django, Postgres, Python
3mo
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Senior Frontend Engineer
Toronto, Ontario, Canada
OnsiteFull Time
6+ YOE6+ years in frontend development; expert in JavaScript/TypeScript, React/Next.js, HTML5, CSS3; strong REST API design; Jest and React Testing Library experience; proficient with Figma; eligible to work in Canada.
JavaScript, TypeScript, React, Next.js, HTML5, CSS3, Jest, React Testing Library, REST API, Figma
4d
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Senior Frontend Developer (Remote)
Toronto or St. John's or Calgary or Charlottetown or Victoria or Vancouver or Edmonton or Ottawa or Winnipeg or Halifax
$85k-$110k/yr RemoteFull Time
10+ YOEBachelor's degree in computer science or related field and 10+ years of frontend development experience with Angular, JavaScript, TypeScript, CSS, HTML5, databases, APIs, and Agile or DevOps methods.
Angular, CSS, HTML5, JavaScript, TypeScript, AJAX, Microsoft SQL Server 2019, T-SQL, Angular Material Library, Visual Studio, Bootstrap, RESTFul APIs, XML, JSON, DevOps, Agile, AngularJS, SASS
4d
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Senior Angular Frontend Developer
Toronto or Mississauga or North York or Richmond Hill
$102k-$124k/yr HybridFull Time
Deep Angular and TypeScript expertise; scalable frontend architecture, Jest testing, REST APIs, accessibility, performance, CI/CD, debugging, code reviews, and cross-team technical leadership required.
Angular, TypeScript, Angular Material Design, Tailwind CSS, OAuth2, CI/CD, Jest, React, Vue, REST APIs, WCAG, Devin, Cursor, IntelliJ, Visual Studio, Windsurf
2mo
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Senior Frontend developer
Toronto, Ontario, Canada
OnsiteFull Time
5+ YOE5+ years Angular experience, TypeScript, unit/integration testing (Jest, Cypress, JUnit, Mockito), accessibility and security awareness, REST API experience (Swagger/RAML/SOAP), cloud/container platforms (Pivotal Cloud Foundry, OpenShift, Docker), CI/CD and microfrontend experience.
Angular, TypeScript, Jest, Cypress, Protractor, Google Analytics, Pivotal Cloud Foundry, OpenShift, Docker, Swagger, RAML, SOAP, JWT, OAuth 2.0, SSL Certificates, CI/CD, JUnit, Mockito, Webpack, Java, Java Spring, SQL
1w
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Senior Software Engineer (Frontend) - Scribd Core
San Francisco or Ottawa or Phoenix or Toronto or Los Angeles or Denver or Salt Lake City or Atlanta or Chicago or Houston or Portland or New York City or Vancouver or San Diego or Washington, D.C. or Sacramento or Jacksonville or Seattle or Mexico City or Austin or Miami or Boston or Dallas
$124k-$226k/yr HybridFull Time
6+ YOERequires 6+ years of frontend software engineering experience, JavaScript/TypeScript and React expertise, modern web framework experience, architecture knowledge, performance optimization, testing, and strong collaboration skills.
JavaScript, TypeScript, React, Next.js, Microfrontend, monorepos
3w
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Senior Frontend Software Engineer, AI UX
Toronto, Ontario, Canada
$140k-$200k/yr HybridFull Time
8+ YOE8+ years full-stack software engineering with strong frontend/UX focus, 1+ year building LLM/agentic products, React/TypeScript proficiency, prompt design and observability experience.
React, TypeScript, LLM
2mo
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Staff Frontend Engineer
Toronto or Canada
$175k-$200k/yr HybridFull Time
Deep expertise in TypeScript and React (Next.js), experience building production web apps, integrating LLMs/AI into UIs, product-minded development, and mentoring other engineers; multi-tenant experience preferred.
TypeScript, React, Next.js, Claude Code, Cursor, LLM
5d
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Frontend Delivery Engineer
Toronto, Ontario, Canada
$25-$32/hr RemoteFull Time, Contract
5+ YOERequires 5+ years of frontend development, 2+ years owning project outcomes, Next.js, Shopify, WordPress, headless CMS, QA, AI tools, ClickUp, and reliable EST overlap.
Next.js, Shopify, WordPress, Liquid, Claude, Codex, Kimi, ClickUp
2w
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Senior Front-End Engineer (React)
New York or Dubai or Hong Kong or Lisbon or London or Toronto or Zurich
RemoteFull Time
Expert React and TypeScript skills, experience with Next.js/Vite/monorepos, state management (TanStack Query, Zustand), testing (Vitest, Playwright), Sentry, Git/Docker, and frontend performance/security practices.
Figma, Storybook, React, TypeScript, Next.js, Vite, pnpm, TanStack Query, Zustand, Chakra UI, Vitest, Playwright, Sentry, Git, Docker, GitHub CI/CD, Kubernetes, CDNs, wagmi, viem
2mo
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Senior/Mid Frontend Engineer - React
Toronto, Ontario, Canada
RemoteFull Time
Strong background in modern JavaScript, TypeScript, React; experience with state management; testing (Jest/Cypress/Playwright); web performance; mentorship; product-minded.
React, TypeScript, TanStack Query, Zustand, Jest, Cypress, Playwright
4d
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Senior Frontend Developer (Customer Lifecycle)
Utrecht or Toronto
HybridFull Time
3+ YOERequires 3 years of senior product-led development or SaaS experience, user-friendly solution development, complex business rules and data models, feature ownership, and openness to AI development tools.
Angular, AG-Grid, PHP, Node
6d
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Senior Front End Engineer
Toronto, Ontario, Canada
HybridFull Time
Experienced front-end engineer with Angular, TypeScript, HTML5, CSS3, responsive design, testing, debugging, code review, and cross-functional collaboration skills; Ionic and Capacitor exposure is beneficial.
Angular, TypeScript, HTML5, CSS3, Ionic, Capacitor, Node.js, Express, NestJS, AWS, Docker
1mo
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Staff Frontend Engineer
Toronto, Ontario, Canada
$160k-$250k/yr HybridFull Time
8+ YOE8+ years front-end experience; proficiency in TypeScript, React, state management, accessibility, responsive design; experience with complex legacy code and cross-platform UIs.
React, TypeScript, CSS-in-JS, Tanstack Query, Redux, Zustand, React Native, Rust
1mo
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Senior Software Engineer, Frontend (Web)
Toronto, Ontario, Canada
$104k-$156k/yr HybridFull Time
5+ YOE5+ years frontend/full-stack experience with Next.js, React, and TypeScript; strong CSS and accessibility practices; headless CMS integration; testing, Git and CI/CD; performance and SEO expertise; familiarity with AI-assisted development tools.
Next.js, React, TypeScript, GraphQL, REST, Figma, styled-components, Emotion, Framer Motion, GSAP, Three.js, WebGL, Contentful, AEM, Sanity, Claude Code, GitHub Copilot, Cursor, Git, CI/CD
4w
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Senior Front-End Engineer
Toronto, Ontario, Canada
$150k-$179k/yr OnsiteFull Time
Deep expertise in JavaScript/TypeScript and browser fundamentals, experience with component-driven architectures (Lit), bundlers, API integration (REST/GraphQL/WebSockets), and front-end performance optimization.
TypeScript, JavaScript, Lit, Webpack, Vite, Rollup, REST, GraphQL, WebSockets, Git
4w
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Senior Front-End Engineer
Toronto, Ontario, Canada
$150k-$179k/yr OnsiteFull Time
Deep expertise in JavaScript/TypeScript, browser fundamentals, component-driven development (Lit preferred), modern bundlers, API integration, and front-end performance optimization.
Lit, TypeScript, JavaScript, Webpack, Vite, Rollup, REST, GraphQL, WebSockets, Git, PHP
4d
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Front End Engineer
San Francisco or Toronto or Canada
RemoteFull Time
Build large product features, shape technical direction, work autonomously, and contribute to engineering culture, hiring, product development, and engineering excellence.
React, NextJS, TypeScript, AWS, FlightControl, GitHub, Linear, Google Cloud
1mo
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Senior Front End Developer
Toronto, Ontario, Canada
$100k-$142k/yr HybridFull Time
Bachelor's in CS or equivalent; proven experience with React, TypeScript, and React Native; GitHub/GitHub Actions; automated testing (unit/API/UI); designing secure, scalable applications; Agile experience and strong communication.
React, React Native, TypeScript, GitHub, GitHub Actions, Kotlin, Swift, Android
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