Principal Engineer, Software - Android

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!

We are looking for a Principal Engineer to help T-Mobile deliver the next generation of the T-Mobile mobile application. We want you to work with business partners and deliver exciting mobile experiences to our customers. We value skills delivering and working with Open-Source tools and infrastructure. You are resolved, work well in a team, have extraordinary communication skills, and bring groundbreaking skills on mobile technology to T-Mobile.
The Principal Engineer is responsible for designing/coding creative and scalable systems and software solutions that address business/technical needs in a constantly evolving market. You will define and maintain architecture and technology standard processes for mobile apps. In addition, you will provide guidance and direction to project teams to ensure compliance with standards and evaluate and recommend technologies and techniques for applicability to T-Mobile systems.
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!

Job Responsibilities:

Technical Engineering Services

• Drives projects with the Product, UX/UI and Backend teams to design, build and extend consumer facing new products, platforms, and features.
• Improve product quality through code reviews, writing effective unit tests.
• Ability to digest feature requirements and high-level end to end design to guide in coding approach and work breakdown.  Ability to produce a low-level design document to detail feature implementation.
• Presents project improvement scenarios to management for consideration.

Technical Leadership

• Lead development team in building native functionality with optimization and expansion to support T-Mobile’s Digital First mission.
• Present highly technical concepts to both technical and non-technical decision-makers.
• Continuously learns, builds content, and guides others specific subject areas.
• Informally coaches and gives to the development of others through mentoring or in house workshops and learning sessions. Develops engineers across functional teams on technology decisions.  Lead the team in developing code patterns and standards that ensure security, stability, and scalability.
• Influence technology and policy decisions made across the VP organization.
• Understand financial decisions, including NPV and ROI, based on customer experience/business drivers.

Technology Strategy

• Maintain state of technology knowledge related to Android platform development Android software versions, and Android mobile platform challenges and opportunities.
• Understands system protocols, how systems operate and data flows. Aware of current technology benefits. Encouraged to independently develop a full software stack. Understands the building blocks, interactions, dependencies, and tools required to complete software and automation work. Independent study of current technology is expected. Interact with system engineers to define system requirement and/or vital requirements for automation.

Innovation

• Ability to partner effectively and contribute to collaborative discussions with the broader Android development community and internally among T-Mobile App SMEs that would make the processes or tools more effective within a given VP function.
• Develops, designs, and implements new ideas which use new frameworks to improve an existing or new system/process/service.
• Contributes to the creation of company IPR.
   

Technical Writing

• Translate business requirements into technical requirements for large customer facing products (millions of users), starting from design through implementation at the Director level.
• Contributes to industry professional norms.
• Contributes to the protection of company IPR.

Experience/Technical Skills:

Required:

• 7+ years technical engineering experience
• Experience in mobile software development using Kotlin, Jetpack Compose or Android SDK.

Preferred:

• Developing sophisticated Android mobile applications.
• Experience building a scalable customer facing application used by millions of customers. 
• Provide on-call and in-person support for troubleshooting, isolation, maintenance, operations, patching, incident management, problem management, build and deployments for owned software and systems.
• Hands on experience in developing mobile networking, REST web-services, understanding large and complex code bases that involves mobile, backend and external SDK integration.
• Designing mobile application using VIPER, Factory, DAO, MVVM, MVC, Delegate, Builder, Adapter, Singleton and Facade design patterns and architecture.
• Experience in API design, SDK architecture, and mobile software lifecycle development practices.

Education:

• BS degree in Computer Science, Information Technology, or equivalent experience

Knowledge, Skills and Abilities:

• Communication (Required)
• Customer Service (Required)
• Analytics (Required)
• Technical Writing (Required)

• At least 18 years of age
• Legally authorized to work in the United States
Travel:
Travel Required (Yes/No):Yes
DOT Regulated:
DOT Regulated Position (Yes/No):No
Safety Sensitive Position (Yes/No):No

Base Pay Range: $133,500 - $240,700

Corporate Bonus Target: 20%

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=REQ299733¶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 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, 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.