{"id":3392807,"url":"https://alion.io/job/t-mobile-sr-software-engineer-billing-platform","title":"Sr Software Engineer - Billing Platform","company":{"id":19639,"name":"T-Mobile","domain":"t-mobile.com","url":"https://alion.io/company/t-mobile-com","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"B","score":78,"open_postings":101,"ghost_share":0,"stale_share":0.891,"repost_share":0,"time_to_fill_p50_days":25,"computed_at":"2026-10-30T05:48:23Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"explicit","locations":["Overland Park, United States","Atlanta, United States","Frisco, United States","Bellevue, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":146000,"max_usd":271000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":3667},"experience_years_min":4,"visa_sponsorship":false,"relocation_package":false,"has_equity":true,"technologies":[{"name":"Agile","optional":false},{"name":"C++","optional":false},{"name":"SQL","optional":false}],"status":"live","first_seen_at":"2026-06-04T00:00:00Z","employer_posted_date":"2026-06-04","last_verified_at":"2026-10-31T01:21:00Z","board_verified":true,"closed_at":null,"days_open":149,"trust":{"level":"stale","repost_count":0,"flags":["stale"],"days_open":147},"description":"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!\nAre you ready to join the Un-carrier movement?At T-Mobile, Senior Software Engineers design, build, and deploy scalable software solutions that meet customer needs and support highly available systems. They collaborate with other engineers to develop modern software components using technologies like microservices, virtualization, software-defined networking, network functions virtualization, and big data. In this role, Senior Engineers use independent judgment to solve complex technical problems and guide software design decisions. Success is defined by delivering reliable, well-integrated solutions that align with both business goals and technical requirements. This work plays a key role in advancing T-Mobile’s capabilities by enabling efficient, high-performing systems that enhance both operations and customer experience.\nWe 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!\nJob Responsibilities:\nDevelop software solutions and conduct tests to drive engineering projects and ensure quality deliverables\nContribute to design innovations that improve systems, processes, or services using new frameworks and industry best practices\nCollaborate with technical teams to deliver solutions and mentor others through knowledge sharing and training sessions\nSupport technology strategy by evaluating and applying current technologies that align with business goals\nCreate clear documentation for software code, system designs, and business requirements to support knowledge sharing\nAlso responsible for other duties/projects assigned by business management as needed\nEducation and Work Experience:\nTelecom Billing Domain experience (Preferred)\nExperience developing telecom billing customer service management tools (Preferred)\n4-7+ years technical engineering experience (Required)\nBachelor's Degree plus 5 years of related work experience OR Advanced degree with 3 years of related experience (Required)\nAcceptable areas of study include Computer Science, Software Engineering, Information Management or equivalent experience in field (Required)\nKnowledge, Skills and Abilities:\nHands-on development experience with C and C++\nExperience in Oracle and SQL\nTuxedo development\nCommunication (Required)\nAnalytics (Required)\nTechnical Writing (Required)\nAt least 18 years of age\nLegally authorized to work in the United States\n Travel:\nTravel Required (Yes/No): Yes\nDOT Regulated:\nDOT Regulated Position (Yes/No): No\nSafety Sensitive Position (Yes/No): No\nBase Pay Range: $113,600 - $205,000Corporate 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.\nAt 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=REQ357853&paradox=1At 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.\nNever stop growing!\nAs 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!\nT-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.\nTalent 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  calling 1-844-873-9500. 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