Top Front End Developer Jobs in Ottawa

Design, build, and maintain customer-facing React frontend systems for search, catalog navigation, data lineage, dashboards, and AI-assisted analysis. Improve performance across large trees, tables, and streaming interfaces; shape product and UX decisions with design and product partners; raise engineering quality through reviews, documentation, complex bug resolution, and mentorship.

Build a high-performance frontend data platform for exploring and analyzing hardware telemetry. Develop React and TypeScript applications, interactive time-series visualizations, data visualization plugins, complex application state management, and LLM-assisted analysis workflows. Collaborate directly with hardware engineers and customers to define interfaces, prototype workflows, demonstrate features, and incorporate feedback into product development.

Own and evolve high-traffic consumer web experiences, experimentation, instrumentation, marketing technology integrations, conversion tracking, and measurement systems. Lead engineers through ambiguous projects, define technical plans, improve reliability and observability, support on-call operations, establish quality standards, and mentor team members. Partner with Product, Marketing, Analytics, Data Engineering, and platform teams to build performant, privacy-aware systems that address consent, cookies, tagging, and consumer-data requirements.

Build and improve high-traffic consumer web experiences using React and TypeScript. Develop experimentation, instrumentation, marketing integrations, attribution, and measurement systems while meeting privacy requirements. Collaborate with Product, Design, Marketing, Analytics, and Data Engineering, write tested and extensible code, monitor system metrics, support availability and on-call efforts, participate in code reviews, and contribute to team development.

Develop and maintain Angular-based web applications for a SaaS media monitoring and outreach platform. Responsibilities include implementing designs, developing features, upgrading and troubleshooting production code, writing tests, participating in code reviews, maintaining coding standards, collaborating with stakeholders, documenting work, and reporting progress in an Agile environment.

Lead the evolution of Seeq’s frontend infrastructure, including React systems, state management, design systems, reusable patterns, and developer experience. Build accessible, responsive, maintainable components; evaluate open-source technologies; guide large-scale refactors; diagnose complex defects and performance issues; and establish technical standards adopted across teams. Collaborate with engineers, designers, product teams, and customers through reviews, mentoring, documentation, and cross-functional communication.

Join the Front End Platform team for a four-month internship building React components from Figma specifications, implementing reusable components in customer-facing applications, and helping establish frontend standards, tooling, and best practices. The role involves cross-functional collaboration, design and development process improvements, and contributing to scalable, accessible frontend experiences in a remote-first environment.

Build and scale customer-facing web applications across ecommerce, point-of-sale, reservation, and CRM products. Collaborate with backend, product, and QA teams to integrate APIs, deliver production-ready features, improve UX and responsiveness, maintain frontend architecture and state management, participate in code reviews, and document frontend workflows and component patterns.

Build and operate full-stack applications, customer portals, APIs, and backend services supporting usage metering, billing, provisioning, and cloud marketplace integrations. Develop primarily with TypeScript and React, alongside Golang and Node.js. Lead technical design, mentor engineers, improve reliability and observability, optimize CI/CD, participate in on-call, and collaborate across product and business teams on critical SaaS platform workflows.

Build polished, responsive front-end applications for Chiri Brain and client-specific AI solutions. Design user flows, prototypes, interfaces, reusable components, and design systems while integrating APIs, authentication, business data, agent workflows, and security controls. Work directly with customers and stakeholders to understand needs, rapidly prototype, gather feedback, and ship production-quality software. Help establish scalable front-end architecture and use AI-assisted development tools to accelerate delivery.

Build and maintain frontend interfaces for calling, messaging, voicemail, transcription, and related workflows. Develop dashboards, observability tooling, and customer-facing features using React, TypeScript, GraphQL, WebSockets, and WebRTC. Own projects end to end, write unit and integration tests, improve accessibility and performance, fix bugs, document systems, and collaborate with product, design, and backend engineering teams in a remote environment.

Build and improve reliable, scalable frontend experiences for Affirm’s pre-checkout products, including Affirm.js, promotional messaging, experimentation, and developer-facing tooling. Use browser debugging, monitoring, metrics, and testing tools to maintain accessible, performant cross-browser experiences. Collaborate with engineers and stakeholders, contribute to code reviews, troubleshoot operational issues, and write clear, well-tested, extensible code.

Own and deliver high-availability authentication, verification, and fraud experiences across web, backend, and mobile interfaces. Lead quarterly goals, technical planning, system delivery, code quality, operational availability, and on-call support. Collaborate with product, design, and analytics stakeholders, resolve complex technical and business issues, mentor engineers, and promote engineering standards. The role requires expertise in React or Vue, JavaScript or TypeScript, large codebases, scalable architecture, and effective communication.

Own the architecture and evolution of a mature server-rendered web UI for the Graykey platform. Establish frontend conventions, improve performance, implement testing, analytics instrumentation, real-time UI patterns, and web security practices. Collaborate with UX, product, and engineering teams while working regularly with Python and Jinja templates. Build reliable interfaces for constrained, on-premises environments and provide technical direction through code reviews and pairing.

Build and maintain features across a real-time AI-generated React application and a mature React analytics platform. Responsibilities include component systems, streaming UI contracts, multi-tenant theming, customer embeds, accessibility, testing, performance, data visualization, and API collaboration. The role requires independent ownership, clear technical writing, mentoring, and effective work across established and greenfield codebases.

Lead frontend engineering for Affirm’s consumer web experiences using React and TypeScript. Own quarterly team goals, deliver major product features, modernize web architecture and design systems, and develop tools such as codemods and AI agent skills. Collaborate with product, design, analytics, and engineering teams; establish quality standards; monitor availability and metrics; support on-call operations; resolve technical issues; and mentor engineers.

Build and enhance Coalition’s underwriting workbench, a data-intensive frontend application used by underwriters. Responsibilities include developing responsive React interfaces, AI-assisted workflows, complex state management, REST API integrations, performance and reliability improvements, reusable components, testing, code reviews, and roadmap contributions. The role partners closely with Product, Design, backend engineers, and underwriters to improve workflows and user outcomes.

Lead multi-quarter frontend engineering initiatives for Grafana’s DataViz squad, from problem framing through rollout and measurement. Build and evolve visualizations using TypeScript, React, uPlot, and eCharts; mentor engineers; conduct code and design reviews; support production software through on-call and incident response; assist with customer escalations; and represent the squad in cross-team planning, demos, and technical proposals.

Develop and maintain 1Password browser extension features for filling, saving, and unified sign-in experiences. Responsibilities include coding, testing, debugging, documentation, code reviews, production support, planning, cross-functional collaboration, mentoring, and on-call rotation. The role requires TypeScript and React proficiency, with browser extension and web API experience preferred.

Lead frontend design and delivery of AI product experiences using React and TypeScript, mentor engineers, set frontend standards, use AI-assisted tooling, and contribute to backend services in Go and product roadmaps.

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.

Develop and maintain reusable front-end components, design systems, websites, and web applications. Build responsive and accessible interfaces using JavaScript, TypeScript, and React; integrate REST APIs; write automated tests; troubleshoot performance and browser issues; document technical decisions; review code; and collaborate with distributed stakeholders. The role also supports open-source projects, SEO, continuous improvement, and adoption of effective front-end technologies and practices.

Build and refine front-end experiences for web and mobile: onboarding, checkout, gallery features, design system and enterprise dashboard. Collaborate closely with designers and PMs, ship fast, maintain aesthetic quality, and iterate with user feedback using React, Next.js and TypeScript.

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.