Sr Software Engineer, ioS

Sr Software Engineer, iOS – T‑Mobile

T‑Mobile offers a competitive base salary and a Total Rewards Package that includes annual stock grants, employee stock purchase plans, a 401(k), and access to free money coaches.

The Sr Software Engineer works with network, systems, and other software engineers to design, implement, and deploy scalable, highly‑available iOS applications that meet customer requirements. The role involves architecture and design of applications using technologies such as virtualization, micro‑services, SDN, NFV, and Big Data platforms.

• Lead engineering projects by developing software solutions; conduct tests and inspections; prepare reports and calculations.
• Understand system protocols and data flows, staying current on technology benefits.
• Independently develop and maintain a full iOS software stack, including dependencies and tooling.
• Collaborate with system engineers to define requirements and automation needs.
• Mentor junior engineers and conduct in‑house workshops.
• Contribute to design reviews, process improvements, and new framework implementations.
• Document technical designs, presentations, and business requirements.

• Bachelor’s degree in Software Engineering, Computer Science or related field plus 5 years of progressively responsible post‑baccalaureate work experience (required).
• Master’s degree or advanced degree in Software Engineering, Computer Science or related field plus 3 years of relevant work experience (preferred).
• 4–7 years of technical engineering experience.
• 3–5 years of mobile application development using Swift.

• Excellent communication skills.
• Customer service orientation.
• Strong analytical abilities.
• Technical writing proficiency.
• Minimum age 18.
• Legally authorized to work in the United States.

Travel required:

Yes.

DOT regulated position:
No. Safety‑sensitive position:
No.

Base pay range: $113,600 – $205,000. Corporate bonus target: 15%.

The role includes medical, dental, vision insurance; flexible spending account; 401(k) with employee stock grants; employee stock purchase plan; paid time off; up to 12 paid holidays; parental and family leave; childcare subsidy; tuition assistance; disability and life insurance options; mobile service and home internet discounts; and commuter & transit programs.

T‑Mobile USA, Inc. is an Equal Opportunity Employer. All employment decisions will be made without regard to age, race, ethnicity, color, religion, creed, sex, sexual orientation, gender identity or expression, national origin, marital status, citizenship status, veteran status, disability, or any other status protected by federal, state, or local law. Discrimination, retaliation, or harassment based on these factors is prohibited and will not be tolerated.

If you have a disability and need reasonable accommodation during the application or interview process, please email Applic or call 1‑844‑873‑9500.