Top Front End Developer Jobs in Toronto

You will own frontend systems, lead initiatives in UX and performance, uphold standards, and mentor engineers to enhance quality.

Lead design and implementation of responsive, accessible front-end features for enterprise web applications using AEM, Vue/React and Node. Collaborate with product owners and vendors, build SPAs, integrate with REST/APIM/Sling, own full SDLC tasks, mentor junior developers, and optimize performance and reliability.

As a Senior Software Engineer, you will lead frontend initiatives using React and React Native, collaborating with product and design to deliver user experiences, while mentoring teammates and shaping frontend architecture.

Build dynamic, user-facing features using React/JavaScript and GraphQL APIs as part of a cross-functional agile team. Contribute to full-stack initiatives, develop low-latency transactional services with Node.js, write SQL for real-time analysis, author accessible markup, follow unit testing and CI practices, and collaborate on product design decisions.

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.

Lead and own the frontend for a perpetuals exchange using TypeScript and React. Design order entry, positions, pricing displays, and charts, make trader-focused UX decisions, and operate autonomously on a small, fast-moving team.

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

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

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

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.

Build sophisticated user interfaces for AI and blockchain interactions, including monitoring tools and decentralized application interfaces, while collaborating across teams for seamless user experience.

Join Betr as a Senior Frontend Engineer to develop mobile applications using React Native and TypeScript, focusing on sportsbooks and gaming products, while optimizing performance and handling real-time data.

The Frontend Engineer will build web interfaces for a healthcare APIs clearinghouse while collaborating across teams to ensure high-quality, responsive design and functionality.

Build scalable, accessible frontend components and UX for an AI-native data platform using React and Next.js. Implement dashboards, agent interfaces, and multi-tenant admin panels; integrate real-time and streaming data, APIs, and visualize high-dimensional data. Contribute to component libraries, design systems, and ship production-ready, responsive features.

The Sr. Staff Frontend Engineer will lead complex initiatives, drive technical direction, and mentor others while focusing on high-quality code and system design for eBay's live shopping experience.

The Front-End Developer II will build a new web application for ShareGate Migrate, focusing on accessible interfaces and integrating Microsoft APIs while collaborating in a cross-functional team.

Design and implement frontend applications using JS, CSS, React, and Flutter. Collaborate on technical specs and contribute to documentation, ensuring user experience and performance.

As a Front End Engineer Tech Lead, you'll design and develop frameworks, provide technical leadership, collaborate across teams, and drive architecture decisions.

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 maintain responsive, accessible frontend interfaces using React and TypeScript. Collaborate with product, design, and backend teams to launch performant, scalable UIs, create reusable component libraries, define APIs, mentor engineers, and drive frontend best practices.

You will drive the product's frontend look and feel, build UIs for complex data, ensure consistent designs, and enhance development velocity. This role requires strong React/TypeScript skills, a builder's mindset, and a focus on performance and design sensibility.

As a Frontend Software Engineer, you will design, build, and maintain user-friendly features, collaborate with teams, and contribute to the frontend architecture of an AI-powered business planning platform.

Lead modernization of TD's Jira/JSM platforms and build enterprise applications using Java, React, and Spring. Drive Atlassian Cloud migration, design secure integrations (OAuth/LDAP/REST), maintain ScriptRunner customizations, contribute to CI/CD pipelines, and support high-availability production systems. Provide technical leadership, mentor developers, and ensure compliance with change management and operational standards.

The Software Engineer will refine the existing React app and build new features, acting as the frontend expert to debug issues. They will collaborate with a high-performing team in an in-person environment and focus on delivering a polished customer experience.