Top Front End Developer Jobs in Montreal

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

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

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.

Lead architecture and build performant, accessible web and React Native interfaces using React and TypeScript. Design state-driven UIs, reusable components, and scalable systems for millions of users. Mentor engineers, collaborate with backend/product/design, champion a11y and performance, and work with emerging tech like Rust on mission-critical features including an AI chatbot.

Develop mobile-first, responsive Vue.js frontends focused on performance and UX. Build frontend management systems, participate in code reviews and team ceremonies, mentor junior engineers, and collaborate with backend teams.

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.

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.

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

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

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

Lead technical strategy and execution for Ground News web properties to grow users and subscription revenue. Build and ship Next.js/React/TypeScript experiences, mature experimentation and marketing-tech tooling, enable non-engineers to self-serve landing pages and experiments, ensure performance, accessibility, and SEO, and steward analytics, feature-flagged rollouts, and frontend architecture as a senior IC.

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.

As a Front-End Web Developer, you will develop online advertising campaigns, optimize codes, and support the creative team with banners and newsletters.

The Front-End Web Developer will collaborate with the creative team to develop online advertising campaigns and implements technical solutions while ensuring quality control.

The Senior Software Developer, Front-End develops and maintains the React Native application, contributes to a Brownfield SDK, and collaborates on design efforts while ensuring high-quality code and tests.

As a front-end developer at Squarepoint, you will enhance user experience on trading platforms using React and TypeScript to develop applications for real-time data access.

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 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.

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

Lead frontend architecture and build scalable TypeScript/React/Next.js applications that integrate with AI/LLMs and composable CMS/search platforms. Translate product and design specs into agent-driven implementations, mentor engineers, ensure performance, accessibility, SEO, and GCP-based deployments, and communicate technical decisions to clients and stakeholders.