Posted 4 months ago
Staff Frontend Engineer
@ US Mobile
Montréal, Quebec
Overview
US Mobile is hiring a Staff Front-End Engineer to architect and build fast, accessible web and mobile applications used by nearly 1 million subscribers across Verizon, AT&T and T-Mobile. The role is high-ownership, involving React, TypeScript, CSS, state-driven UI and React Native components, with mentoring responsibilities. The posting states a competitive salary, flexible working hours, flexible time off and subsidized health benefits.
Pay:
$140,000–$230,000 a year
Responsibilities:
- Build state-driven UI adapting to network-specific quirks
- Architect scalable systems for millions of user interactions
- Build UI components for web and React Native
- Champion accessibility and performance
- Mentor a high-autonomy engineering team
Requirements summary:
- 8+ years of production front-end engineering experience
- Proficiency in TypeScript, React and CSS-in-JS
- Experience with state management and data fetching libraries
- Strong eye for UX/UI detail and accessibility
- Bonus: Rust, React Native or telecom app experience
Tools & skills
Benefits mentioned
Source and dates
Employer career site / ATS feed · lever
- Employer posting date
- 2026-07-14
- First seen by our source
- 2026-10-08
- Source record updated
- 2026-10-09
These dates describe the source record, not a live verification that the employer is still hiring. Check the original posting.
Job details
| Seniority | Senior |
| Department | Software development |
| Experience | 8+ years |
| Hours per week | 40 (estimated) |
| Work setting | Office |
| Position | Mostly sitting |
| Physical demands | physical low · computer high |
| Perks mentioned | Generous paid time off, Flexible hours, Wellness, Transit support, Home office allowance |
Summary and details written by AI from the posting; the employer’s posting is the authority.
US Mobile
Saved company profile
Historical company information from a saved The Jobs API profile (LinkedIn/Crunchbase fields). It is not live-verified; figures may have changed. Missing values remain unknown.
On a mission to revolutionize wireless by building the next-generation connectivity platform.
Full company description
At US Mobile, we’re on a mission to revolutionize wireless by building the next-generation connectivity platform. We are America's first Super Carrier, bringing lightspeed connection to our customers who are able to switch seamlessly between all three networks. Our goal is to connect the next billion wireless devices onto nationwide 4G and 5G networks, including your phone, drone, car, watch, pet tracker, and everything in between. We’re accomplishing this by leveraging cutting-edge technology and customer-focused UI/UX design. Whether it’s with our high-speed international roaming options, customizable perks, AI-facilitated plan savings, customizable plans, or real-time dashboards, we’re building the industry’s most exciting user experience. US Mobile’s 4G LTE network reaches more than 300 million Americans and includes international calling to over 200 countries and territories, but you will never hear from an operator at US Mobile. Our real, live Customer Support Representatives are available by phone or chat 24 hours a day, 7 days a week – to keep you connected, informed, and saving with US Mobile.
- LinkedIn followers
- 22,482
- People associated on LinkedIn
- 641
- Reported office locations
- 295 Madison Ave, New York, NY 10017, US
- Business categories
- Information Technology
- Telecommunications
- Wireless
- Mobile
- Wired Telecommunications
- Other recorded names
- US Mobile
- Specialties
- Telecommunications
- Mobile service
- and MVNO
- Profile identifies a recruitment agency
- No
- Reported total investment
- 11,499,999
Currency and observation date were not supplied; this is not a current valuation or a funding round.
At US Mobile, we’re on a mission to revolutionize wireless by building the next-generation connectivity platform. We are America's first Super Carrier, bringing lightspeed connection to our customers who are able to switch seamlessly between all three networks. Our goal is to connect the next billion wireless devices onto nationwide 4G and 5G networks, including your phone, drone, car, watch, pet tracker, and…
| Field | Value |
|---|---|
| Industry | Telecommunications |
| Company size | 51-200 employees |
| Headquarters | New York, NY |
| Organization type | Privately Held |
| Year founded | 2014 |
| Specialties | TelecommunicationsMobile serviceand MVNO |
| Open jobs on Jobsy | 7 |
| View page |
US Mobile is building the future of wireless communication. The goal: one unified network open to any person and any device, worldwide. Connection without walls.
We’re getting there by empowering customers. All three major networks on one phone and one plan, plus home internet from Starlink. No lock-in. No commitments. Custom fit plans at every price point. 24/7 customer support with real people, empowered to help. We get real-time feedback from Reddit, surveys, and customer support informing product roadmaps and everything we do. It’s working — Consumer Reports named us the top-rated mobile carrier two years in a row.*
And we’re building innovative systems that scale. A network agnostic tech stack. Agile, cross-functional teams built on trust and mutual respect. This work isn’t for everyone. If you work fast, flexibly, and collaboratively — without compromising standards — we want to hear from you.
The Opportunity
We’re looking for a Staff Front-End Engineer to join our growing engineering team as we scale from 14 to 24 developers. 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. Our challenges are both technical and strategic.
What you'll do:
- 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.
- 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!!
- 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.
- Champion accessibility (a11y) and performance as first-class concerns.
- Collaborate closely with backend, product, and design teams to drive elegant, data-informed solutions.
- Work with emerging technologies like Rust where performance or architecture demands.
- Drive and mentor a high-autonomy, high-impact engineering culture.
Qualifications:
- 8+ years of front-end engineering experience building production-grade UIs.
- 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).
- 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.
Benefits:
- Competitive Salary
- Gym reimbursement
- Commute reimbursement
- Flexible working hours
- Subsidized health benefits (Medical, Dental, Vision)
- Professional development stipend
- Flexible time off
Think you're a great fit? Apply to learn more!
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