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Salary
$107k – $193k per year
Location
In office (Philadelphia, New York)
Seniority
Junior · 2+ years exp
Visa
H-1B filings in 12 months: 427 · for this role: 238 · green card filings: 130
Employment
Full-Time

Confirmed on the employer's own hiring board on Nov 13, 2026. First seen by Alion on Nov 9, 2026. T-Mobile scores B on the Alion truth index.

Overview
Company
Impact
Profile match
T-Mobile US is a major American telecommunications carrier headquartered in Bellevue, Washington, operating as a publicly traded subsidiary majority-owned by Deutsche Telekom. The company provides nationwide wireless voice, data, and 5G mobile services alongside fixed wireless home internet to over 140 million subscribers. Known for its consumer-centric "Un-carrier" strategy, T-Mobile delivers connectivity through its flagship brand as well as prepaid subsidiaries like Metro by T-Mobile and Mint Mobile.

At T-Mobile, we invest in YOU! Our Total Rewards Package ensures that employees get the same big love we give our customers. All team members receive a competitive base salary and compensation package - this is Total Rewards. Employees enjoy multiple wealth-building opportunities through our annual stock grant, employee stock purchase plan, 401(k), and access to free, year-round money coaches. That’s how we’re UNSTOPPABLE for our employees!

Job Overview

We are looking for a passionate Front-End Engineer to develop UI solutions for our AdTech platform! You'll work on a team to build high-quality, performant and well-tested UI software using JavaScript, TypeScript and React. This software must comply with coding standards of the leadership team and maintain the quality and usability expectations of our clients.

Success is measured by the reliability, scalability, and maintainability of deployed software solutions. The work impacts organizational capabilities by enabling efficient, cloud-native software systems that support business functions.

Job Responsibilities:

  • Maintains and enhances frontend web solutions to ensure system reliability and performance
  • Write well-designed, well-tested UI code

  • Integrate with internal and external APIs

  • Work closely with the Product Owners and UI/UX Designers to create user-friendly workflows

  • Presents new ideas and frameworks to improve existing systems, processes, and services

  • Collaborates with team members to decompose features into user stories and provide accurate estimates
  • Also responsible for other duties/projects as assigned by business management as needed

Education and Work Experience:

  • Bachelor's Degree plus 2 years of related work experience OR combination of education and experience deemed equivalent (Required)
  • Acceptable areas of study include Computer Science, Engineering or a related field. (Preferred)
  • 2-4 years of web development experience using modern development languages and frameworks such as JavaScript, TypeScript, React (Required)

Knowledge, Skills and Abilities:

  • Proven work experience as a Front-End Engineer or Web Developer in a team environment (Required)

  • Experience writing JavaScript in a professional setting (TypeScript experience a bonus) (Required)

  • Experience using React.js to build applications (Redux experience a bonus) (Required)

  • Knowledge of current trends and best practices in the React ecosystem, and in UI development in general (Required)

    • At least 18 years of age
    • Legally authorized to work in the United States

    Travel:

    Travel Required (Yes/No): No

    DOT Regulated:

    DOT Regulated Position (Yes/No): No

    Safety Sensitive Position (Yes/No): No

    Total Target Cash Earnings Opportunity: $107,295 - $193,430National Base Pay Range: $93,300 - $168,200

    The Total Target Cash Earnings Opportunity represents the expected total cash compensation for this role at target performance, combining base salary and annual incentive opportunity. Actual earnings may be higher or lower depending on individual performance and overall company results.

    The base pay range reflects the compensation component of this opportunity. The candidate’s actual pay will be based on various factors, such as work location, qualifications, and experience, so the actual starting pay will vary within this range. To find the pay range for this role based on hiring location, https://paylookup.t-mobile.com/paylookup?reqID=REQ349848¶dox=1

    At T-Mobile, employees in regular, non-temporary roles are eligible for an annual bonus or periodic sales incentive or bonus, based on their role. Corporate employees are eligible for a year-end bonus based on individual and/or company performance and which is set at a percentage of the employee’s eligible earnings in the prior year. Certain positions in Customer Care are eligible for monthly bonuses based on individual and/or team performance. The incentive component included in the Total Target Cash Earnings Opportunity reflects target performance. Actual earnings included in the Total Target Cash Earnings Opportunity reflect target performance; actual payouts may vary.

    At T-Mobile, our benefits exemplify the spirit of One Team, Together! A big part of how we care for one another is working to ensure our benefits evolve to meet the needs of our team members. Full and part-time employees have access to the same benefits when eligible. We cover all of the bases, offering medical, dental and vision insurance, a flexible spending account, 401(k), employee stock grants, employee stock purchase plan, paid time off and up to 12 paid holidays - which total about 4 weeks for new full-time employees and about 2.5 weeks for new part-time employees annually - paid parental and family leave, family building benefits, back-up care, enhanced family support, childcare subsidy, tuition assistance, college coaching, short- and long-term disability, voluntary AD&D coverage, voluntary accident coverage, voluntary life insurance, voluntary disability insurance, and voluntary long-term care insurance. We don't stop there - eligible employees can also receive mobile service & home internet discounts, pet insurance, and access to commuter and transit programs! To learn about T-Mobile’s amazing benefits, check out www.t-mobilebenefits.com.

    Never stop growing!As part of the T-Mobile team, you know the Un-carrier doesn’t have a corporate ladder-it’s more like a jungle gym of possibilities! We love helping our employees grow in their careers, because it’s that shared drive to aim high that drives our business and our culture forward. By applying for this career opportunity, you’re living our values while investing in your career growth-and we applaud it. You’re unstoppable!T-Mobile USA, Inc. is an Equal Opportunity Employer. All decisions concerning the employment relationship will be made without regard to age, race, ethnicity, color, religion, creed, sex, sexual orientation, gender identity or expression, genetic information, national origin, religious affiliation, marital status, citizenship status, veteran status, the presence of any physical or mental disability, or any other status or characteristic protected by federal, state, or local law. Discrimination, retaliation or harassment based upon any of these factors is wholly inconsistent with how we do business and will not be tolerated.Talent comes in all forms at the Un-carrier. If you are an individual with a disability and need reasonable accommodation at any point in the application or interview process, please let us know by emailing [email protected] or calling 1-844-873-9500. Please note, this contact channel is not a means to apply for or inquire about a position and we are unable to respond to non-accommodation related requests.
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