> Markdown version of [/jobs/ext/4293429-t-ads-principal-engineer-platform](https://www.wearedevelopers.com/jobs/ext/4293429-t-ads-principal-engineer-platform). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # T-Ads Principal Engineer, Platform - **Company:** T-Mobile Us, Inc. - **Location:** Bellevue, WA, United States - **Experience:** Expert - **Salary:** $136,200.0 - $272,400.0 - **Contract:** Permanent contract - **Skills:** Amazon Web Services, Data Analysis, Cloud Computing, Software Engineering, Software Requirements Analysis, Cloud Platform System, Information Technology, Microservices - **Published:** October 11, 2026 - **Apply:** https://diversityjobs.com/career/18622741/T-Ads-Principal-Engineer-Platform-Washington-Bellevue ## About the Role * Bachelor's Degree plus 7 years of related work experience OR Advanced degree with 5 years of related experience (Required) * Acceptable areas of study include Computer Science or Engineering (Required) * 7-10 years Technical engineering experience (Required) Knowledge, Skills, and Abilities: * Analytical Thinking (Required) * Analytics (Required) * Cloud Architectures (Required) * Cloud Computing (AWS preferred) (Required) * Collaboration (Required) * Communication (Required) * Customer Service (Required) * Leadership (Required) * Mentorship (Required) * Microservices Architecture (Required) * Emerging Technologies (Required) * Software Development (Required) * Technical Evaluation (Required) * Technical Writing (Required) * At least 18 years of age * Legally authorized to work in the United States ## Description * Drive engineering projects to deliver software and infrastructure solutions that meet technical requirements and quality standards * Provide technical leadership by mentoring engineers and influencing technology and policy decisions across the organization * Evaluate and apply technology strategies that align with business goals and system requirements * Develop innovative architecture and improvements that enhance existing systems and processes * Produce clear technical documentation and architecture descriptions for internal and external stakeholders * Also responsible for other duties/projects as assigned by business management as needed