Top Front End Developer Jobs in Ottawa

Design and maintain a modular, high-performance frontend: implement a pixel-perfect design system, optimize rendering and bundle sizes, architect client-side state for real-time data, integrate complex APIs, and ensure global availability and operational readiness for a Web3 consumer platform.

Lead frontend product experiences across web and mobile using React/React Native and TypeScript. Design conversational, AI-native financial planning interfaces, define frontend architecture and component systems, and contribute to AI layer, multi-model orchestration, reliability, and observability. Work cross-functionally across backend, infra, analytics, and product in a seed-stage, remote environment to ship fast, user-trusted experiences.

Join Megaport as a Senior Frontend Software Engineer to develop high-quality web applications, improve systems, and enhance user experiences for both customers and internal users. Collaborate with teams to build responsive and scalable solutions utilizing modern frontend technologies and practices.

Lead frontend architecture and product development for member-facing web and mobile apps. Build high-performance, accessible React/React Native UIs, own end-to-end features including APIs and backend services, mentor engineers, drive design system and frontend standards, and collaborate with Product, Design, Clinical, and Data teams to deliver scalable, user-centered health experiences.

Design, develop, test, deploy, and maintain front-end enterprise applications using React/Next.js and Jamstack. Collaborate in Agile teams, troubleshoot production issues, ensure AODA accessibility, produce documentation, and provide post-implementation support.

Join a talent network connecting staff front-end engineers with VC-backed startups. Responsibilities include designing and building scalable, high-performance front-end applications, defining front-end architecture and component libraries, improving performance and accessibility, integrating with APIs, establishing testing and CI/CD best practices, and mentoring junior engineers.

Join a talent network connecting founding front-end engineers with VC-backed startups. Responsibilities include designing and building scalable, high-performance web UIs, optimizing performance and accessibility, creating reusable component libraries, integrating APIs and client-side logic, and defining front-end best practices and testing strategies while collaborating with designers, backend engineers, and founders.

Develop websites ensuring optimization and functionality, monitor performance, enhance layouts, and utilize CSS, HTML, JavaScript, and PHP in various frameworks.

Develop, test, and debug web applications, support existing apps, participate in team sessions, and work on design projects.

Trend Micro is seeking an Applied AI Sr. Front-End Developer to design micro-frontend applications, enhance productivity using AI, and lead testing strategies while mentoring team members in a collaborative environment.

Join an early-stage B2B enterprise AI startup as a frontend or frontend-leaning fullstack engineer. Build user-facing products and standalone UI component libraries using React, TypeScript, and Next.js. Design and architect frontend features from scratch, handle fullstack responsibilities as needed, solve challenging technical problems, and contribute as a core member of the growing team in a hybrid Palo Alto office.

The Senior Software Engineer will enhance the platform through collaboration, technical leadership, and by developing high-quality frontend components, ensuring best practices and performance.

The Senior Software Engineer will develop AI/ML features, build robust APIs, create user-friendly UIs, and integrate AI models into ClickHouse Cloud.

Build and maintain responsive, accessible React frontends from Figma designs; create reusable components and Storybook docs; implement client and server state management; integrate wallet and blockchain interactions; write unit, integration, and E2E tests; monitor and debug production with Sentry; participate in architecture, estimation, code review, and CI/CD workflows.

Design and build responsive, high-performance front-end interfaces for AI-driven finance workflows. Translate complex data into clear visualizations, balance automation with human control, collaborate with backend and AI teams, and own frontend architecture and design system standards.

Senior front-end engineer responsible for developing products end-to-end, owning projects from concept through launch, and shaping company direction to drive growth across portfolio companies.

As a Senior Frontend Engineer, you'll develop UI features for the AI voice platform, working with React and TypeScript while collaborating on backend systems and leading projects from concept to launch.

Lead technical direction for a high-performance 2D/3D viewer platform. Drive cross-team architecture, implement scalable platform capabilities, mentor engineers, improve engineering velocity, and resolve complex production issues while partnering with Product, UX, and Architects.

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.

Design and develop scalable, secure frontend web applications for connected embedded systems. Lead frontend architecture, collaborate with backend/embedded teams, implement device provisioning, telemetry visualization, and remote management UIs. Optimize performance, accessibility, and maintainability; mentor engineers, participate in reviews, and drive frontend best practices.

Build and maintain responsive, production-scale frontend web applications for an AI Receptionist product. Design UI for configuring conversational agents, integrate with backend services (APIs, WebSockets, streaming), optimize performance and accessibility, establish frontend architecture and best practices, and mentor engineers.

Lead cross-functional technical projects, design and review architectures, set coding standards and tooling, mentor engineers, drive quality through code reviews, and deliver full-stack SaaS features using PHP, TypeScript, React, and GCP services.

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.

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.

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