Top Front End Developer Jobs in Ottawa

Set frontend technical direction for Affirm’s checkout and decisions orchestration systems. Lead architecture and delivery of major web application features, establish engineering standards, manage reliability and on-call operations, collaborate with product, design, and analytics, and mentor engineers. The role focuses on building fast, clear, and reliable checkout experiences using modern declarative UI frameworks.

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.

Lead frontend architecture, design, build, test, and debug Angular web applications. Mentor junior developers, provide Tier III support, translate UI/UX into code, and champion new technologies while estimating and executing projects.

Build and own production frontend experiences for a voice AI platform, including prompt management, dashboards, analytics, and customer-facing tools. Develop responsive interfaces with React and TypeScript, collaborate with backend and DevOps teams, lead projects from architecture through launch, onboard customers, debug use cases, and incorporate feedback into UX improvements.

Improve frontend developer productivity by enhancing builds, type checking, linting, testing, monorepo tooling, development environments, delivery pipelines, observability, and web performance. Lead tooling upgrades and migrations, build reliable validation and preview environments, collaborate with product and infrastructure teams, and own solutions from technical design through rollout and maintenance.

Develop and enhance website functionality using React, optimize system performance, design technical solutions, and independently break technical specifications into subtasks. The role also involves applying SOLID principles, understanding FRP and HTTP(S)/WS(S) protocols, implementing native UX/UI components, conducting code reviews, and working with TypeScript and RxJS.

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.

Develop and maintain secure, mobile-first React and Next.js applications for a multi-tenant prediction-market platform. Build responsive customer, administrative, finance, and operational interfaces; integrate REST, GraphQL, and WebSocket services; support multilingual and multi-currency experiences; and implement comprehensive testing, accessibility, performance, and security practices. Participate in code reviews, technical design, production support, incident resolution, and on-call rotations.

Lead front-end development for partner-facing financial web products, including embeddable onboarding modules, partner dashboards, and self-service workflows. Build complex multi-step forms and data-heavy interfaces with React and TypeScript, contribute to Node.js server layers, collaborate on API contracts, and work closely with product, design, and backend teams. Own features from design handoff through production release while maintaining multiple codebases and upgrading business-account APIs.

Build and lead the frontend architecture for Tailscale’s next-generation web console. Responsibilities include developing shared frontend infrastructure, cross-origin authentication and session systems, testing strategies, unified product experiences, developer tooling, deployment workflows, and accessible UI patterns. The role partners across design, growth, infrastructure, and engineering, provides technical leadership and mentoring, and participates in an on-call rotation.

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.

The Frontend Software Engineer will develop and maintain critical applications using TypeScript and React. The role involves engagement in product discovery, coding, and deployment of applications to enhance manufacturing processes.

Build and ship React Native and TypeScript features for sportsbook, casino, arcade, and fantasy products across iOS, Android, and web. Responsibilities include complex UI, real-time WebSocket data synchronization, physics-based animations, canvas graphics, deep linking, payment integrations, platform debugging, performance optimization, automated testing, and CI/CD contributions.

Lead frontend architecture and delivery for Retell AI’s voice platform. Build responsive React and TypeScript interfaces for agent configuration, dashboards, analytics, and monitoring. Partner with product, design, and backend engineering; improve performance, accessibility, reliability, and reusable component patterns. Provide technical leadership through code reviews, testing, mentoring, API design, and ownership of complex projects from concept through launch.

Lead frontend architecture and product delivery across Moxie, with a focus on design systems, GraphQL data architecture, frontend tooling, CI, performance, and development workflows. Partner with Design, Product, engineering managers, and staff engineers to establish canonical patterns, guide adoption without formal authority, ship FinOps features, and drive organization-wide technical initiatives. The role remains hands-on while influencing architecture, engineering culture, and AI-native software development practices.

Design and build user-facing features for a live video chat and multiplayer gaming platform. Collaborate with designers and product managers, lead technical quality and scalability efforts, rapidly experiment, and solve customer problems through deep user understanding. The role focuses on front-end architecture using TypeScript and React, with Node.js proficiency and strong CSS fundamentals.

Build, maintain, and optimize responsive, conversion-focused websites, landing pages, and campaign assets. Translate marketing and design objectives into accessible, high-performing web experiences using HTML, CSS, JavaScript, and CMS platforms. Collaborate with marketing, design, SEO, and content teams; support CMS templates, integrations, forms, analytics, A/B testing, troubleshooting, technical SEO, and performance optimization.

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.

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.

Develops physical implementation flows for advanced mixed-signal ASICs, from netlist through GDSII, optimizing performance, power, and area. Responsibilities include floorplanning, power grids, clock distribution, place and route, timing and functional ECOs, formal verification, DFT timing, static timing analysis, physical verification, scripting automation, and analog block integration. The engineer collaborates with RTL, analog, ASIC, tool, and technology teams to achieve signoff-quality designs and timing closure.

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.

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 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.