Top Front End Developer Jobs in Ottawa

Build and maintain performant, accessible, responsive frontend interfaces for high-traffic customer products. Deliver production-quality code, debug cross-browser issues, collaborate with design and product teams, and maintain automated test suites for unit, integration, and end-to-end coverage.

Design, build, and maintain VS Code extensions for embedded workflows; integrate with toolchains, debuggers, and hardware; implement CI/CD and automated tests; collaborate with firmware/platform teams; monitor feedback and deliver fixes; document APIs and tooling.

Build high-quality, performant React and TypeScript user interfaces, partner with Product and Design to deliver user-focused features, grow a reusable component library and design system, ensure accessibility and performance, contribute to backend code when needed, and help shape front-end architecture and engineering practices.

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 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 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.

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

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.

Design, build, test, and maintain Magnet One cloud platform features across front-end and back-end. Collaborate on architecture, perform code reviews, troubleshoot defects, and drive best practices for secure, performant, and maintainable software.

Lead development of Angular and TypeScript front-end applications, build reusable UI/visualization libraries, translate UX into production code, optimize performance (including on embedded hardware), implement real-time rendering strategies, collaborate with designers and engineers, contribute to front-end architecture and standards, and participate in code reviews and technical design discussions.

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.

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 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.

Join Ema as a Software Engineer to design and develop user interfaces for web applications, collaborating with product managers and UX designers, and integrating APIs.

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.

As a Frontend Engineer, you'll craft user interfaces, write engineering requirement documents, build test suites, and integrate analytics for product success.