Who you are

- 6+ years of frontend engineering experience, ideally in consumer apps, SaaS, or browser-based utilities

- Expert-level proficiency in React Native + TypeScript (core to this role)

- Production experience with React Native or ReactJS (mobile required, web preferred)

- Robust understanding of JavaScript fundamentals, modern frontend patterns, and component architecture

- Experience integrating UI with APIs (REST, real-time, or event-based)

- Familiarity with mobile UI patterns on Android/iOS (React Native)

- Experience optimizing performance, accessibility, and rendering efficiency

- Experience with visual debugging, error monitoring, and analytics tools (e.g., Sentry, LogRocket, PostHog, Amplitude, Mixpanel)

- Experience designing and implementing responsive, user-friendly interfaces for complex workflows, data-rich experiences, filtering, and list-based views

- Experience building mobile apps with Expo platform

- Experience working in Node-based frontend build environments (Next.js, Vite, Webpack)

- Experience building Chrome or browser extensions

- Familiarity with Firebase for auth, messaging, or real-time features

- Experience with feature flags, experimentation, or A/B testing

- AI-assisted development (GitHub Copilot, Cursor, etc.)

- Exposure to design systems, storybook libraries, or component frameworks

- Experience with user session replay, heatmaps, or performance logging

What the job involves

- We’re looking for an exceptional Sr.

Frontend

Engineer to lead the design, development,



and optimization of user-facing features across our web and mobile experiences

- You will own core user flows, build clean and reusable components, and deliver fast, intuitive, and polished experiences that delight users at scale

- This is a hands-on, high-impact role ideal for someone who loves building beautiful interfaces, optimizing performance, and shipping features that users can feel instantly

- You’ll collaborate closely with backend, product, and design to bring new capabilities to market through rapid iterations and continuous deployment

- Architect, build, and maintain scalable frontend features that power core user experiences, product workflows, and automation capabilities

- Build scalable, reusable UI components and design systems

- Implement responsive layouts and accessibility best practices across devices

- Optimize rendering performance, page speed, code splitting, and asset delivery

- Monitor frontend performance, error tracking, and user session metrics

- Identify frontend bottlenecks and drive improvements to user experience and conversion

- Implement features for web-first experiences with support for React Native mobile surfaces

- Collaborate with backend engineers to integrate REST APIs and real-time features

- Work in 2-week sprints with CI/CD and code review best practices

- Contribute to frontend architecture decisions, tooling, state management, and build pipelines

- Maintain a high standard of code quality, documentation, and testing

📌 Senior Frontend Engineer (Canada)
🏢 Mode Mobile
📍 Canada