Front-End Engineer (TypeScript/React) – AdTech UI

T-Mobile; New York (NY); On-site; USD 93,000 - 168,000; Full time

Benefits offered by this job

Annual stock grant

Employee stock purchase plan

401(k)

Money coaches

Job summary

T-Mobile is 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.

Success is measured by the reliability, scalability, and maintainability of deployed software, enabling cloud-native systems that support business functions.

Qualifications

• Bachelor’s Degree with 2 years of related experience or equivalent.
• Study areas: Computer Science, Engineering or related field.
• 2–4 years of web development using JavaScript, TypeScript, React.

Responsibilities

• Maintain and enhance frontend web solutions for reliability and performance.
• Write well-designed, well-tested UI code.
• Integrate with internal and external APIs.
• Collaborate with Product Owners and UI/UX Designers on workflows.
• Suggest ideas to improve systems, processes, services.
• Decompose features into user stories and provide estimates.
• Other duties as assigned by management.

Skills

JavaScript

TypeScript

React.js

UI development

API integration

Education

Bachelor's Degree

2 years related work experience

Job description

New York, New York, United States · Philadelphia, Pennsylvania, United States

Jul 30, 2026

$93,300 - $168,200/year

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

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)

Knowledge, Skills and Abilities :

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

Base Pay Range: $93,300 - $168,200

Corporate Bonus Target: 15%

The pay range above is the general base pay range for a successful candidate in the role. The successful 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.

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. Most Corporate employees are eligible for a year-end bonus based on company and/or individual 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. 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, 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 outwww.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, 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 [e-mail] 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.

T-Mobile US, Inc. is a leading wireless provider that offers advanced 4G LTE and nationwide 5G networks with a commitment to customer value and innovative service.

Telecommunications Media and Telecommunications Technology, Information and Media

Company size 10,001+ employees

Company type Public company

Momentum

Team growth

Momentum

Team growth

7% in 12 mo

95,806 employees on LinkedIn

Employee experience

What it’s like inside

3.5

24,457 reviews

62% would recommend

Culture & values

Culture & values 3.5

Work-life balance

Work-life balance 3.4

Career opportunities

Career opportunities 3.3

Compensation & benefits 3.9

Footprint

Where they work

12920 SE 38th St, Bellevue, WA 98006, US 1 Ravinia Dr, ATLANTA, GA 30346, US Frisco, Texas, US Overland Park, Kansas, US

Apply For This Role

Location New York, New York, United States · Philadelphia, Pennsylvania, United States