Sr Engineer, Software

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
Are you ready to join the Un-carrier movement?
The Senior Software Engineer works collaboratively with a team of software engineers, network, and systems engineers to design, implement, and deploy software solutions that meet customer requirements, scale efficiently, and eliminate the limitations of traditional networking architectures. This role emphasizes building applications that operate in highly available environments and leverage technologies such as virtualization, microservices, SDN, NFV, Big Data platforms, and modern development frameworks.
The Sr Software Engineer actively participates in the architecture, design, and implementation of various software components and integrations. The ideal candidate will demonstrate deep technical expertise, creativity, and initiative while working on moderately to highly complex assignments with minimal supervision.
We are a team that encourages innovation and advocates an agile and open approach, truly working and playing in the Un-carrier way!

Job Responsibilities:

Technical Engineering Services

• Lead engineering initiatives by designing and developing software solutions, conducting tests, inspections, and system analyses.
• Supervise and mentor base and associate-level engineers as needed.
• Develop and maintain full-stack software solutions using Java, Spring Boot, and JavaScript frameworks.
• Integrate with Cisco Finesse APIs and platforms to enable advanced communication and contact center capabilities.
• Understand system protocols, operational workflows, and data flows across distributed systems.
• Collaborate with systems engineers to define and automate system requirements.
• Maintain awareness of emerging technologies and their applications to enterprise-scale systems.

Innovation

• Design and prototype innovative software solutions employing modern frameworks and open standards.
• See opportunities for process optimization and automation through code and architectural improvements.
• Participate in intellectual property creation and contribute to company IPR initiatives.

Technical Leadership

• Collaborate multi-functionally with network, platform, and security teams to deliver coordinated technical solutions.
• Serve as a mentor to peers and junior engineers through coaching, workshops, and technical sessions.
• Promote engineering excellence through standard processes, code reviews, and continuous learning.

Technology Strategy

• Evaluate, recommend, and implement emerging technologies that align with business goals.
• Apply deep expertise in Java, Spring Boot microservices, and REST API development to enhance system scalability and performance.
• Participate in technology roadmap discussions and architecture reviews.
• Ensure alignment of software designs with enterprise architecture standards.

Technical Writing

• Produce comprehensive documentation for new and existing code, APIs, and system architectures.
• Prepare technical reports, design presentations, and system requirement specifications.
• Contribute to internal knowledge bases and technical training materials.

Education and Work Experience

• Bachelor’s Degree in Computer Science, Software Engineering, or a related field (Required)
• 4–7 years of technical engineering or software development experience (Required)

Knowledge, Skills, and Abilities

Required

• Strong proficiency in Java and Spring Boot framework for backend development.
• Hands-on experience with JavaScript and related front-end technologies (e.g., React, Angular, or Vue).
• Experience developing or integrating with Cisco Finesse APIs for communication platforms.
• Proven ability to design and develop scalable, microservices-based applications.
• Strong analytical, problem-solving, and troubleshooting skills.
• Excellent written and verbal communication.
• Demonstrated experience in technical documentation and presenting complex information clearly.
• Customer-focused mindset with an ability to deliver high-quality solutions.

Preferred Skills

• Familiarity with containerization technologies (Docker, Kubernetes).
• Knowledge of cloud platforms (AWS, Azure, or GCP).
• Experience with CI/CD pipelines and DevOps practices.
• Understanding of networking fundamentals and SDN/NFV architectures.

• 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: $113,600 - $205,000

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. To find the pay range for this role based on hiring location, click here.

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 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.