Top Front End Developer Jobs in Montreal

Lead frontend architecture and platform work for a unified web console: design app structure, cross-origin auth and session infrastructure, shared UI/platform abstractions, testing strategy, developer workflows, and tooling. Collaborate with product, design, growth, and infrastructure teams, provide technical leadership, mentor engineers, and participate in on-call rotation.

Build full-stack features and realtime web interfaces for the Autonomous Traffic Control platform. Develop frontend UIs (maps, telemetry) and backend services/APIs, integrate streaming feeds, and ship reliable, operational tools used by controllers, fleet operators, and drivers.

Lead the design and development of complex frontend systems at ClickUp, improving engineering velocity and mentoring other engineers.

Lead frontend engineering at ClickUp, defining architecture strategy, solving technical challenges, and mentoring teams for scalable web applications using Angular and React.

The Frontend Engineer will implement UI features, automate UI testing, and oversee production releases while focusing on user experience in the blockchain space.

Build responsive, production-grade web UIs and data-dense dashboards from design prototypes. Implement interactive visualizations, integrate with REST/GraphQL backends, manage state and performance, write frontend tests, and collaborate with designers, backend and data engineers to deliver polished, accessible, and performant cybersecurity and analytics products.

Design and implement developer-facing UI from Figma to production using Hotwire (Turbo + Stimulus) and ViewComponents. Own the dashboard, API playgrounds, docs, marketing site, and data visualization. Optimize performance and bundle size, maintain a coherent component system, and ship polished, production-ready front-end with tests and CI/CD.

Lead the frontend team, set technical direction, write production code, mentor developers, and drive collaboration across various teams while building high-quality user experiences.

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.

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 Javascript Engineer will develop web applications focusing on user experience, collaborate with a team, and work with machine learning and computer vision technologies.

The role involves developing, architecting, and supporting scalable systems, primarily focusing on frontend development using various technologies, while also engaging with backend components.

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.

Design and implement high-quality, performant front-end features in React and TypeScript. Partner with Product and Design to translate user needs, grow a reusable component library and design system, ensure accessibility and performance, contribute to architecture and backend integration when needed, and maintain code quality through reviews and testing.

The Staff Front End Engineer will lead technical direction, improve app features, mentor engineers, and collaborate with cross-functional teams using React Native.

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

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.

Seeking a Front End Developer to build Splunk-based solutions, implement requirements, test changes, provide demonstrations, and support users.

Design and architect high-performance React web applications, integrate AI into frontend production and delivery, automate tests and deployments, guide technical architecture and state management, collaborate with product, design and QA, and support operations resolving complex issues.

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

Lead frontend architecture and development for Autodesk Construction Cloud Assets. Build scalable, high-performance React/TypeScript applications, implement micro-frontend Module Federation, optimize performance and testing, and mentor engineers to establish frontend standards and reusable UI components for enterprise deployments.

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.

The Senior Front-End Engineer will develop user-friendly software, improve APIs, and work within a team to create high-quality applications using JavaScript, TypeScript, and various frameworks.

As a Senior Full Stack Developer, you'll enhance our script performance, develop content injection methods, manage user session tracking, and maintain our embedded product stack.