125 frontend engineer jobs at 93 companies in Lockport, NY
1mo
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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
2w
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Frontend Engineer
Toronto, Ontario, Canada
OnsiteFull Time
3+ YOE3+ years building frontend apps with React or similar, strong JavaScript/TypeScript skills, experience shipping features end-to-end, UX focus, and strong communication.
React, JavaScript, TypeScript
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
2mo
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Senior Frontend Engineer (Team Lead)
Toronto, Ontario, Canada
$154k-$205k/yr OnsiteFull Time
Lead frontend teams; build React/TypeScript apps; design systems; optimize performance; collaborate cross-functionally.
React, TypeScript, GraphQL, REST, Next.js, Monorepo tooling, Frontend performance tools
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
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
13h
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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
6d
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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
2mo
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Frontend Engineer (Post Grad, Remote-First)
Toronto, Ontario, Canada
RemoteFull Time
Recent graduate or early-career frontend engineer with strong fundamentals in React, TypeScript, JavaScript, HTML/CSS, experience or interest in real-time systems (Socket.IO/WebSockets), state management, and AI-assisted tooling.
React, TypeScript, JavaScript, HTML, CSS, Vite, Vue 3, Tailwind CSS, Sass, React Query, Vue Query, Pinia, Vuex, Socket.IO, WebSockets, Node.js, PostgreSQL, Redis, RabbitMQ, Cursor IDE, LLMs, MCP integrations, Matter.js, GSAP, Howler, Datadog, AWS, CI/CD Pipelines, Docker, Git
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
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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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
1w
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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 Software Engineer, Frontend
Toronto, Ontario, Canada
HybridFull Time
4+ YOE4+ years post-BS/MS frontend-focused experience; strong React, TypeScript, and CSS (Tailwind CSS) skills; experience shipping user-facing features, cross-stack collaboration, and strong CS/programming fundamentals.
React, TypeScript, Tailwind CSS, Slack
2d
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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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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
2d
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Front End Developer
Toronto, Ontario, Canada
RemoteFull Time
Proficiency in HTML5, CSS3/SASS, JavaScript, Angular or comparable frameworks, HTML email, NPM, Git, WordPress or AEM, JSON, and Agile delivery; formal qualifications are not required.
2mo
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Software Development Engineer | Frontend
Toronto, Ontario, Canada
$100k-$130k/yr OnsiteFull Time
7+ YOE7+ years web development experience; expert HTML/CSS, React and Next.js; TypeScript/JavaScript, Node.js, REST/GraphQL; headless CMS (Contentful preferred); accessibility (WCAG 2.1 AA); Azure and CI/CD experience.
Next.js, React, Contentful, Sanity, Strapi, TypeScript, JavaScript, Node.js, REST, GraphQL, Git, CI/CD, Azure, Azure Front Door, GA4, Google Tag Manager, HTML, CSS, WCAG 2.1 AA, Schema.org
3w
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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
3w
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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
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