Senior Software Engineer, Data

Overview

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!

Advertising, meet the Un-carrier. We are standing up for Consumers and Advertisers to redefine an industry. We are building an advertising platform that allows brands and advertising agencies to engage real audiences with a customer-centric, privacy-first approach. This is not a product internal to T-Mobile; it is used by major advertising agencies in the United States and many top consumer product brands. Our team builds the enabling technology behind this revolution. We are a fast-moving team that builds, runs, and operates the T-Mobile Advertising Solutions platforms, including our audience building, rideshare, and retail media network solutions.

If you thrive on collaborating with cross-functional teams to solve complex data challenges, designing scalable data architectures, and deploying robust data pipelines to the cloud, we want to talk to you. We are looking for a Sr Software Engineer-Data with strong technical judgment, a product-oriented mindset, and the ability to own data solutions end-to-end—from architecture and modeling to implementation and delivery—in a dynamic AdTech environment.

Job Responsibilities

• Develop data engineering solutions, design and develop data pipelines to support Product, business and Data Science teams with specific data needs.
• Design and develop data architectures in on-premise, cloud and hybrid platforms.
• Collaborate with cross-functional teams, including product, security, privacy, operations, and partners, to understand data needs, define and deliver features, model data using relational and NoSQL systems, and develop pipelines that are scalable, repeatable, secure, and aligned with data quality standards.
• Drive automation and optimization of data workflows using AI/ML techniques.
• Mentor other team members in their efforts to build data engineering skillsets.
• Assist team management in defining projects, including helping estimate, plan and scope work.

Work Experience

• 5+ years of experience in designing and building scalable data systems, including both batch and event-driven data pipelines.
• 3+ years of experience working with relational and NoSQL databases (e.g., PostgreSQL, MySQL, MongoDB, Cassandra), including schema design, performance tuning, and optimization.
• 2+ years of experience building and maintaining cloud-native data platforms using AWS, Azure, or GCP , with hands-on experience in services like Redshift, BigQuery, Snowflake, or Databricks.
• 3+ years of experience implementing DevOps practices and infrastructure as code using tools like Terraform, CloudFormation .
• Strong programming skills in Python, SQL , with experience building data tooling and APIs.
• Solid understanding of distributed systems , data modeling , and microservices architecture .
• Familiarity with data security best practices , including encryption, access control, and privacy-forward design principles.
• Passion for solving complex problems, learning new technologies, and enabling AI innovation through robust data engineering.

• 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. 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 also offer mobile service & home internet discounts, pet insurance, and access to commuter and transit programs. To learn about T-Mobile's benefits, check out

Nevr 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 or calling . 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.