Senior Software Engineer

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

As a Senior Software Engineer, in the Customer Identity & Access Management (CIAM) domain, you will be at the forefront of defining and implementing a technical strategy to provide delightful and secure customer authentication and authorization capabilities to applications and services across T-Mobile Digital and Assisted channels. You will work closely with business, product and application teams across T-Mobile to, as well as with key stakeholders in Cybersecurity to understand the needs and opportunities that exist to improve the customer experience and security of T-Mobile customers' identity and access, in order to lead the implementation of the technology solution. You will partner closely technical teams across IT and Engineering to contribute to technical feasibility, align on solutions, and to lead development teams in the delivery of enhancements to better serve our customers and to meet security and business goals.

We pride ourselves on encouraging a culture of innovation, advocating for agile methodologies, and promoting transparency in all that we do. Join us in embodying the spirit of the 'Un-carrier' and make a tangible impact! Our team is dynamic where no day is the same, and we are diverse and inclusive passionate about growth and transformation. If you're up to the challenge, apply today!

• Strong hands-on API / Microservice developer.
  
• Experience in a backend or middleware team providing API services to client applications.
  
• Leads development teams and dev practice. Identifies needs and opportunities for improvement in the sub-domain / area they own.
  
• Unit tests new system functionality per high-level system architecture specifications.
  
• Utilizes planning and leadership skills to guide development planning and delivery as required to implement new systems capabilities.
  
• Owns and acts as a strong advocate for a culture of quality.
  
• Evangelizes, communicates and documents development best practices as needed. Utilizes oversight and tooling to ensure code quality and standards are met.
  
• Maintains technical skills and expertise through continuing education and training.
  
• Creates low-level development plans to meet requirements and architectural blueprints. Works with other technology leads to ensure functional requirements are met.
  
• Communicates technical impacts, implications, and level of effort, as needed for project evaluations.
  
• Works with Platform Ops & SRE to ensure alignment on anticipated new transactions patterns and levels, and new platform components/CIs.
  
• Performs peer code reviews.
  
• Collaborates with architects and other Software Engineers on low level designs and development plans.
  
• Collaborate with Product and IT partner teams on successful delivery of product enhancements and support.
  

--------------------------------------

• Bachelors or Masters degree in Computer Science, Computer Engineer, or related field.
  
• Minimum 7 years of software development experience in:
  

+ Backend API / Microservice development using NodeJS and ExpressJS.

+ Experience designing and developing applications utilizing MongoDB, MySQL, DynamoDB or other major database management system.

• 5 years experience in a development or technology lead role, mentoring other members of technical/development staff.
  
• Experience with zero-trust security principles.
  
• Experience working in an agile / scrum environment.
  
• Utilizes critical thinking, analysis, and data-informed decisioning
  
• Good verbal and written communication in English.
  
• Motivated to continue to learn new skills and able to adapt to change.
  
• Exhibits the values of "One Team Together" & "Champion Change"
  

• Preference for experience with Identity and Access Management systems, with understanding of Auth2.0 and OpenID Connect principles.
  
• Front-end web development experience using Angular, typescript, javascript. Experience in AEM a bonus.
  

• Expected to be able to setup a completely new full stack environment from scratch including build steps and backend infrastructure (Required)
  
• Knowledge of html, CSS, Webpack, JavaScript, at least one front end framework and one backend framework (Required)
  
• Understands web protocols, how full stack applications operate and data flows (Required)
  
• Understanding of database modeling and SQL. Capable of performance tuning and refactoring from one data store to another (Required)
  

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

Travel Required (Yes/No):Yes

DOT Regulated Position (Yes/No):No

Safety Sensitive Position (Yes/No):No

Base Pay Range: $114,200 - $206,000

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.

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!

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 ing ApplicantAccommodation@t-mobile.com 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 maintains a drug-free workplace.

---------------

Job title

Senior Software Engineer

Position Type

Full Time

Date Posted

2025-08-06

Primary Quest ID

PRIMARY_EXTERNAL_QUESTIONNAIRE_V3

Second Quest ID

Job Classification

Professional

Brand

T-Mobile USA, Inc.

Career area

Product Development

Location(s)

• 3560 Dallas Pkwy, Frisco, Texas, 75034
  
• One Ravinia Dr, Atlanta, Georgia, 30346
  
• 2340 Dulles Corner Blvd, Herndon, Virginia, 20171
  

Job ID

REQ311024