Top Front End Developer Jobs in Toronto

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.

Own and deliver high-availability, low-latency Trust & Safety systems across backend, web, and mobile. Lead engineering delivery, collaborate with product/design/analytics, improve operational metrics and on-call reliability, set code and design standards, and mentor teammates.

Build and scale the frontend of a B2B SaaS workflow and form-builder platform. Design and implement interactive, accessible UI features, optimize frontend performance, contribute to frontend architecture, and collaborate with product, design, and backend teams to deliver production-ready experiences.

Design and implement scalable, accessible, high-performance front-end features. Write clean, testable code, fix defects, improve the codebase, and mentor teammates. Collaborate with Product, Design, QA, and stakeholders to translate requirements into elegant UI components within an agile environment.

Build and evolve Okta's web platform using Next.js and React: design scalable page systems, integrate headless CMS APIs, collaborate on design systems, ensure performance, accessibility, SEO, write tests, and own production issues and developer workflows.

Develop and maintain front-end and full-stack applications using Java, Spring Boot, Angular, JavaScript, TypeScript, HTML, CSS, and Oracle. Translate technical specifications into tested software, create responsive user interfaces, troubleshoot production issues, support implementations and migrations, and conduct unit testing. Collaborate across the software development lifecycle, document solutions, engage stakeholders, and ensure AODA/WCAG compliance. The role also involves technical leadership, product strategy input, third-party partnership assessment, and meeting delivery deadlines.

Build and ship full-stack features for North, develop autonomous agents that access sensitive enterprise data, productionize state-of-the-art models, write minimal, secure low-resource code, and collaborate with researchers to deploy performant RAG/agentic applications while prioritizing security and user experience.

Lead the design and development of scalable cloud-based applications using React, Next.js, and Node.js, ensuring optimal performance and security while collaborating in an Agile environment.

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.

Develop modern web applications focusing on UI components using React while ensuring performance, accessibility, and cross-browser compatibility.

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.

Build and maintain front-end features for an AI-driven contract management SaaS. Collaborate with engineers, data scientists, product, and design; own functional areas from development to production; mentor teammates; apply modern dev practices to deliver scalable, user-centric solutions.

The Senior Staff Software Engineer will lead web platform architecture and development, mentoring engineers while driving improvements in infrastructure, web development strategy, and AI tool integration.

Build and ship features for Cohere’s North AI workspace platform, develop autonomous agents that interact with sensitive enterprise data, and deploy highly performant, secure applications in low-resource environments. Collaborate with researchers to productionize advanced AI models and techniques while contributing across the full stack using Python and React.

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

Develop and deliver code for new features using Angular, creating responsive user interfaces, collaborating with teams, and optimizing performance.

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

Build, maintain, and optimize marketing websites, landing pages, microsites, and reusable front-end components. Manage WordPress themes/plugins and multi-environment deployments via GitHub. Use Astro and modern front-end tooling alongside AI-assisted development to improve performance, accessibility, SEO, and analytics integrations while collaborating with design, marketing, product, and engineering stakeholders.

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 role involves leading frontend UI development, integrating functions, managing high-impact problems, and providing expertise in application programming.

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

Build and maintain frontend services and components for Lyft's micromobility operations tooling. Define roadmap and architecture, write well-tested maintainable code, lead projects, participate in code reviews and incident response, collaborate with cross-functional teams, and evangelize engineering best practices to improve operator workflows and platform performance.

Design and build high-performance, scalable Angular front-end web applications. Implement UI interactions, client-side architecture, consume REST APIs, perform prototyping, code reviews, unit testing, and apply secure, cloud-native and CI/CD practices. Collaborate cross-functionally and contribute to both visual and server-side integration.

The Senior Frontend Engineer will lead complex frontend features, enhance user experience and contribute to product architecture within Forma's ICM Operations platform.