US Mobile

Staff Frontend Engineer

US Mobile$160K — $250K *
Information Technology
8 - 10 years of experience
Job Overview by Ladders

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).
  • Strong eye for UX/UI detail, accessibility, and responsive design.
  • Comfortable with complex systems including legacy code and cross-platform consistency.
  • Self-starter who can deliver high-leverage solutions with minimal oversight.
  • Bonus: Experience with Rust, mobile development (React Native), or telecom-related apps.

Responsibilities

  • Build a state-driven UI that adapts to network-specific quirks.
  • Support legacy and new plans simultaneously.
  • Create highly accessible interfaces that work across platforms.
  • Work on mission-critical projects, including a next-gen AI chatbot.
  • Lead and contribute to modern front-end features using React, TypeScript, and CSS.
  • Design and build UI components for web and React Native applications.
  • Architect scalable systems to support millions of user interactions.

Benefits

  • Competitive Salary
  • Gym reimbursement
  • Commute reimbursement
  • Flexible working hours
  • Subsidized health benefits (Medical, Dental, Vision)
  • Professional development stipend
  • Flexible time off
Full Job Description
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


$160,000 - $250,000 a year

Think you're a great fit? Apply to learn more!

About US Mobile

US Mobile is a telecommunications company that provides wireless services to customers in the United States. The company offers a range of plans, including unlimited talk and text, as well as data plans that can be customized to meet the needs of individual customers. US Mobile was founded in 2014 and is headquartered in New York City.
Learn more about US Mobile
Size
100 employees
Industry
Net Income
-$50,000
Founded
2014
5 Year Trend
+60%
Revenue
$1 million

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