T-Mobile · 1 day ago
Principal Sales Engineer — Solutions & Partner Enablement - Network APIs
Bellevue, WA
Full-time
Hybrid
Senior Level, Lead/Staff
$134K/yr - $241K/yr
10+ years expT-Mobile is a leading telecommunications company that focuses on innovative network API products. The Principal Sales Engineer will drive developer and partner adoption for the NaaS platforms and APIs, ensuring successful customer integrations and deployments.
InternetMobileTelecommunicationsWireless
Responsibilities
Act as the bridge between Product and Business Development, ensuring customer needs align with product capabilities
Support presales conversations by understanding customer requirements and showing how our products deliver value
Educate customers on how to use our products effectively through demos, technical discussions, and proof-of-concepts
Serve as the main technical and product point of contact after the deal is signed, driving smooth onboarding and integration
Partner with product managers to create key materials such as presales decks, solution architectures, and technical documentation to support customer and partner engagement
Gather customer feedback to influence product roadmap and improve the overall experience
Qualification
Required
Bachelor's degree in Engineering, Computer Science, or a related field (required)
10+ years in Sales Engineering, Solutions Engineering, or Product Management across APIs, developer platforms, or enterprise SaaS
Proven track record driving presales and post-sales success through deep technical engagement and business alignment
Strong experience leading customer onboarding, partner integrations, and solution delivery at scale
Deep understanding of API management, SDK development, and cloud infrastructure
Hands-on experience managing complex technical programs using Agile methods and iterative delivery
Demonstrated ability to influence product strategy and collaborate effectively with senior business and engineering leaders
At least 18 years of age
Legally authorized to work in the United States
Preferred
Exposure to AI- or automation-driven developer tools and modern API lifecycle management (preferred)
Benefits
Medical, dental and vision insurance
Flexible spending account
401(k)
Employee stock grants
Employee stock purchase plan
Paid time off
Up to 12 paid holidays
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
Voluntary long-term care insurance
Mobile service & home internet discounts
Pet insurance
Access to commuter and transit programs
Company
T-Mobile
T-Mobile is a telecommunications company that provides wireless communication services, including mobile phone and internet services. It is a sub-organization of Deutsche Telekom.
10001+ employees
H1B Sponsorship
T-Mobile has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (533)
2024 (457)
2023 (433)
2022 (674)
2021 (522)
2020 (320)
Funding
Current Stage
Public CompanyTotal Funding
$25.37B2026-01-06Post Ipo Debt· $10B
2025-10-06Post Ipo Debt· $2.8B
2024-09-23Post Ipo Debt· $2.5B
Leadership Team
John Saw
President of Technology, Chief Technology Officer
Peter Osvaldik
EVP & CFO
Recent News
Android Authority
2026-01-08
Business Wire
2026-01-08
2026-01-08
Company data provided by crunchbase