Top Front End Developer Jobs in Calgary

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.

Build high-performance React and TypeScript visualization interfaces for large scientific datasets. Develop hardware-accelerated 2D and 3D rendering, reactive state architecture, live server-driven updates, multi-view coordination, extensible application interfaces, and scriptable workflows. Optimize rendering performance through profiling and collaborate with geoscientists, computational engineers, and platform engineers in a distributed team.

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 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.

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.

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 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.

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.

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.

Founding front-end engineer to design and build Flick's editor UI (canvas, timeline, node graph, playback). Lead architecture, prototype creative workflows, optimize complex UX interactions, establish code quality and performance practices, collaborate with design/product/AI backend, and drive key technical and product decisions.

Develop high-performance frontend applications, collaborate with design and backend teams, ensure quality coding practices, and improve platform scalability and performance.

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

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