US Mobile

Staff Frontend Engineer

Toronto · Staff+

Sponsorship not specifiedCAD 160k-CAD 250kDetected 8 days ago

JavaScriptTypeScriptRustReactCSSReduxReact NativeAgentic AIAccessibilityCustomer Support

About the role

We're looking for a Staff Front-End Engineer to join our growing engineering team as we scale from 14 to 24 developers.

Build a state-driven UI that adapts seamlessly to network-specific quirks.
Support legacy and new plans simultaneously.
Create elegant, highly accessible (a11y-first) interfaces that work across platforms.
Lead and contribute to building modern front-end features using React, TypeScript, and CSS.
Design and build UI components for both web and React Native applications.
Architect scalable systems to support millions of user interactions across different networks.
Collaborate closely with backend, product, and design teams to drive elegant, data-informed solutions.
Drive and mentor a high-autonomy, high-impact engineering culture.
This is a high-impact, high-ownership role where you'll architect and build fast, accessible, and elegant web and mobile applications used by nearly 1 million subscribers across Verizon, AT&T, and T-Mobile.

Proficiency in TypeScript, React, and CSS-in-JS or equivalent styling approaches.
Experience with state management and data fetching libraries (e.g., Tanstack Query, Redux, Zustand).
8+ years of front-end engineering experience building production-grade UIs.
A strong eye for UX/UI detail, accessibility, and responsive design.
Comfort dealing with complexity: legacy code, varied device support, and cross-platform consistency.
A self-starter who can define and deliver high-leverage solutions with minimal oversight.
Bonus: Experience with Rust, mobile development (React Native), or telecom-related apps.

Experience with Rust, mobile development (React Native), or telecom-related apps.
one unified network open to any person and any device, worldwide.
Connection without walls.
All three major networks on one phone and one plan, plus home internet from Starlink.
Custom fit plans at every price point.
A network agnostic tech stack.
Agile, cross-functional teams built on trust and mutual respect.
This work isn't for everyone.

Work on mission-critical projects, like our next-gen agentic AI chatbot that's redefining how customers interact with mobile support such as: Customer centric interface enabling total control over your phone lines, a next generation dashboard to monitor your usages and create an e-commerce expereince that's unmatched in Telco!!

This listing is sourced directly from US Mobile's careers page and normalized into a canonical job model.