Lead Android Platform Engineer - IoT & Tech Leadership

T-Mobile; Factoria (WA); Hybrid; USD 160,000 - 230,000; Full time

Benefits offered by this job

Medical, dental, vision insurance

401(k) plan

Employee stock grants

Tuition assistance

Job summary

T-Mobile is seeking a Principal Engineer, Software to lead and deliver mobile app solutions from our Bellevue, WA site. You will own architecture decisions, drive cross‑platform Android development with Kotlin, Jetpack, and Compose, and integrate IoT devices with mobile apps while mentoring the team.

This role supports a hybrid work model with telecommuting options and requires in‑person presence 3–4 days per week at the worksite.

Qualifications

• Master’s Degree in Computer Science, Software Development, Information Systems or equivalent and 5 years of relevant work experience.
• Bachelor’s Degree in Computer Science, Software Development, Information Systems or equivalent and 7 years of relevant work experience.

Responsibilities

• Develop a full mobile app software stack with test automation.
• Research new technologies and software stacks independently.
• Drive engineering projects by developing software solutions, tests, and reports.
• Contribute to designs to implement new ideas improving systems, processes and services.
• Review existing designs to identify more efficient approaches.
• Write basic documentation of how technology works.
• Document system designs, presentations and business requirements for managers.
• Collaborate with technical teams to deliver technical solutions.
• Mentor and run in-house workshops to develop others.
• Contribute to new and existing technology options supporting business goals.
• Telecommuting is permitted with a requirement to work from the worksite location at least 3–4 days per week.
• No travel beyond domestic locations is anticipated.

Skills

Android architecture

IoT integration

Team leadership

Cross-platform development

App security

Education

Master’s degree in CS/Software

Bachelor’s degree in CS

Tools

Kotlin

Jetpack

Compose

Job description

T-Mobile is seeking a Principal Engineer, Software to lead and deliver mobile app solutions from our Bellevue, WA site. You will own architecture decisions, drive cross‑platform Android development with Kotlin, Jetpack, and Compose, and integrate IoT devices with mobile apps while mentoring the team.

This role supports a hybrid work model with telecommuting options and requires in‑person presence 3–4 days per week at the worksite.