T-Mobile US logo

Software Engineer - UI & API

T-Mobile US

Bellevue, WA
Full Time
Mid Level
93k-167k
17 days ago

Job Description

About the Role

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! Our team is looking for a Mid-Level Full-Stack Software Engineer to help shape the future of real-time payments at T-Mobile. You'll join a cross-functional team of payments professionals and software engineers to design, implement, and deploy software that meets customer needs, scales efficiently, and performs reliably in high-availability environments. Our team leads the architecture and design of critical software components using technologies such as AI, virtualization, microservices, event-driven architectures, and more! We champion a culture of innovation, data-driven decision making, embrace AI-driven tools, follow agile practices, and promote radical transparency.

Key Responsibilities

  • Design and build full-stack applications that are secure, scalable, and maintainable.
  • Develop backend services and APIs using Java and Spring Boot.
  • Build responsive web UIs using Angular and TypeScript.
  • Leverage AI-driven tools such as GitHub Copilot, ChatGPT, and more.
  • Write unit, integration, and E2E tests to ensure high code quality.
  • Participate in code reviews, design discussions, and agile ceremonies.
  • Optimize performance and debug issues across the stack.
  • Contribute to low-level system design and break down user stories before development.
  • Collaborate with peers across teams to deliver end-to-end technical solutions.
  • Continuously explore and learn new technologies and engineering practices.
  • Apply AI and automation to improve customer experience and business outcomes.
  • Understand T-Mobile services and how Digital Payment Services delivers customer value.

Requirements

  • 2-4+ years professional experience with Java, Spring Boot, and Angular.
  • Bachelor's Degree in Computer Science or Engineering.
  • Solid understanding of RESTful APIs, HTTP, and asynchronous messaging patterns.
  • Experience working with payment systems and understanding of transaction lifecycles.
  • Familiarity with NoSQL databases (preferred).
  • Experience with PCI, USGCI, SOX, or other regulatory frameworks (preferred).
  • Exposure to Kafka or other event-driven messaging platforms (bonus).

Nice to Have

  • Familiarity with NoSQL databases.
  • Experience with PCI, USGCI, SOX, or other regulatory frameworks.
  • Experience working with payment systems and transaction lifecycles.
  • Exposure to Kafka or other event-driven messaging platforms.

Qualifications

  • Bachelor's Degree in Computer Science or Engineering.

Benefits & Perks

  • Competitive base salary and compensation package.
  • Annual stock grant, employee stock purchase plan, and 401(k).
  • Access to free, year-round money coaches.
  • Medical, dental, and vision insurance.
  • Flexible spending account, paid time off, and up to 12 paid holidays.
  • Paid parental and family leave, family building benefits, back-up care, childcare subsidy, tuition assistance, college coaching.
  • Disability, voluntary AD&D, accident, life, and long-term care insurance.
  • Mobile service & home internet discounts, pet insurance, commuter and transit programs.

Working at T-Mobile US

We champion a culture of innovation, data-driven decision making, embrace AI-driven tools, follow agile practices, and promote radical transparency. We are dynamic, inclusive, passionate about growth and transformation, and support learning and experimentation.

Apply Now

Job Details

Posted AtJul 10, 2025
Salary93k-167k
Job TypeFull Time
ExperienceMid Level

Job Skills

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About T-Mobile US

Website

t-mobile.com

Location

Bellevue, WA

Industry

Wireless Telecommunications Carriers (except Satellite)

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