Top Front End Developer Jobs in Toronto

Design and deliver complex digital SoCs for automotive communication systems, covering microarchitecture, RTL, verification, synthesis, lint, CDC, LEC, and static timing analysis. Collaborate with architects, software, hardware, and verification teams to define specifications, data flows, algorithms, interfaces, and resource management while meeting power, performance, and area targets. The role requires advanced ASIC design expertise, strong digital fundamentals, and experience with networking protocols or related semiconductor technologies.

Own the architecture and evolution of a mature server-rendered web UI for the Graykey platform. Establish frontend conventions, improve performance, implement testing, analytics instrumentation, real-time UI patterns, and web security practices. Collaborate with UX, product, and engineering teams while working regularly with Python and Jinja templates. Build reliable interfaces for constrained, on-premises environments and provide technical direction through code reviews and pairing.

Owns Angular frontend features from design through delivery, including architecture, development, testing, performance, accessibility, and defect resolution. Leads code reviews, mentors developers, collaborates with cross-functional Agile teams, and contributes to engineering standards, tooling, documentation, and scalable application delivery.

Develop and improve front-end ASIC/SoC build methodologies, CAD flows, and automation from RTL development through implementation handoff. Build production-quality infrastructure for RTL quality, verification, IP management, regression, and release readiness. Collaborate with engineering teams and EDA vendors to resolve bottlenecks, evaluate AI and automation technologies, and drive methodology adoption across projects.

Build and optimize high-performance marketing websites across Next.js, React, Sanity, WordPress, PHP, and Twig. Lead A/B and multivariate experimentation, CRO infrastructure, accessibility, SEO, component libraries, and AI-assisted development workflows. Set technical standards, mentor developers, collaborate with CRO, analytics, design, and marketing teams, and improve experimentation velocity, statistical integrity, site performance, and AI-search readiness.

Leads the architecture and development of scalable frontend software for Okta’s AI agent access policy platform. Responsibilities include designing and shipping production-grade React and Express applications, testing, monitoring, code reviews, technical debt reduction, cross-functional collaboration, and mentoring. The role focuses on secure, high-performance user interfaces and identity-aware access management features for enterprise customers.

Build performant, accessible, responsive websites and custom WordPress themes, Gutenberg blocks, and plugins from design mockups. Develop frontend interfaces using HTML, CSS/SASS, and JavaScript while troubleshooting and extending PHP, WordPress, and Drupal codebases. Collaborate with designers, consultants, and clients to refine implementations, diagnose CMS issues, and use AI tools to support project execution.

Lead KEV’s frontend architecture and technical strategy, designing scalable design systems and micro frontend patterns. Provide hands-on React expertise across state management, build tooling, testing, and performance. Guide architecture decisions, document trade-offs, mentor frontend engineers, evaluate AI coding tools, and partner with tech leads to align frontend delivery with broader platform goals.

Build and maintain features across a real-time AI-generated React application and a mature React analytics platform. Responsibilities include component systems, streaming UI contracts, multi-tenant theming, customer embeds, accessibility, testing, performance, data visualization, and API collaboration. The role requires independent ownership, clear technical writing, mentoring, and effective work across established and greenfield codebases.

As a Product Engineer at Bree, you will build full-stack features using a TypeScript/Node serverless stack and React Native, focusing on delivering value quickly and iteratively. You’ll collaborate closely with design and product teams to enhance customer outcomes while managing engineering tradeoffs effectively.

Lead frontend engineering for Affirm’s consumer web experiences using React and TypeScript. Own quarterly team goals, deliver major product features, modernize web architecture and design systems, and develop tools such as codemods and AI agent skills. Collaborate with product, design, analytics, and engineering teams; establish quality standards; monitor availability and metrics; support on-call operations; resolve technical issues; and mentor engineers.

Build and enhance Coalition’s underwriting workbench, a data-intensive frontend application used by underwriters. Responsibilities include developing responsive React interfaces, AI-assisted workflows, complex state management, REST API integrations, performance and reliability improvements, reusable components, testing, code reviews, and roadmap contributions. The role partners closely with Product, Design, backend engineers, and underwriters to improve workflows and user outcomes.

Lead multi-quarter frontend engineering initiatives for Grafana’s DataViz squad, from problem framing through rollout and measurement. Build and evolve visualizations using TypeScript, React, uPlot, and eCharts; mentor engineers; conduct code and design reviews; support production software through on-call and incident response; assist with customer escalations; and represent the squad in cross-team planning, demos, and technical proposals.

Develop and maintain 1Password browser extension features for filling, saving, and unified sign-in experiences. Responsibilities include coding, testing, debugging, documentation, code reviews, production support, planning, cross-functional collaboration, mentoring, and on-call rotation. The role requires TypeScript and React proficiency, with browser extension and web API experience preferred.

Build and architect complex customer-facing frontend experiences using Angular and TypeScript. Own features from requirements through architecture, API integration, testing, observability, performance, accessibility, and deployment. Collaborate across backend, product, design, QA, SRE, and platform teams, including troubleshooting PHP and Node.js services. Serve as a technical anchor by setting frontend direction, coordinating delivery, mentoring engineers, and improving engineering standards and system scalability.

Build and scale consumer-facing frontend experiences for patient sign-up, care flows, and account management across web and mobile platforms. Own frontend architecture and feature development from concept through production, ensure cross-browser and device compatibility, write clean and well-tested React code, and collaborate on feature design, architecture, and delivery in an on-site product and engineering environment.

Design and deliver scalable full-stack applications using Java, Spring Boot, Angular, React, and Next.js. Build secure REST APIs, responsive accessible interfaces, and maintainable tested code. Collaborate with product, design, platform, and engineering teams on end-to-end features. Contribute to architecture, code reviews, CI/CD, cloud-native deployment, automated testing, and continuous process improvement while owning delivery risks and technical trade-offs.

As a Front-End Web Developer, you'll create responsive web applications, collaborate with designers and back-end developers, optimize user interfaces, and implement reusable components.

Build and own user-facing web experiences with a front-end focus using React, Next.js, and TypeScript. Work across the full stack (Node.js/NestJS), design and integrate REST APIs, collaborate with product and design, run growth experiments, ensure accessibility/performance, write tests, support production through on-call rotations, and contribute to payments and banking integrations.

Build end-to-end features for Faire's Brand pillar, collaborating with product, design, and data. Work across backend, frontend, and mobile stacks to optimize performance and scalability, mentor engineers, and drive product improvements from discovery through implementation while using modern tooling and AI productivity aids.

Lead frontend design and delivery of AI product experiences using React and TypeScript, mentor engineers, set frontend standards, use AI-assisted tooling, and contribute to backend services in Go and product roadmaps.

As a Frontend Engineer, you will design and build responsive UIs, integrate APIs, mentor peers, and collaborate across teams to ensure optimal user experiences.

As a Front-End Web Developer, design and maintain responsive web applications, collaborate with designers, optimize performance, and work with APIs.

The Front End Engineer will work with Angular, Bootstrap, and PrimeNG to build interfaces, implement GoJS for diagrams, conduct E2E testing with Playwright, and manage unit testing with Jasmin. Responsibilities include deploying applications using micro-frontends architecture, developing a back-end with NodeJS on Docker, and integrating APIs using the BFF approach.

The Staff Application Engineer will develop critical application features, ensure code quality, and work collaboratively to impact sales compensation solutions.