Company Details
Technology Stack
Professional Summary
John Coster is Sr. Engineering Manager at T-Mobile. T-Mobile operates in the telecommunications industry and has 70000 employees. Based in Seattle, Washington, United States. Classified as a manager-level Engineering Manager leader. Their organization's technology stack includes Akamai, Akamai DNS, Outlook, Brightcove, Backbone JS Library, and 77 other technologies. T-Mobile reports annual revenue of 81400000000.
Industry & Role Insights
- • CTO Rank tracks 128,091 Engineering Manager leaders with verified contact information.
- • There are 10,929 tech leaders in the telecommunications industry in our database.
- • We have verified contacts for 156 tech leaders at T-Mobile.
- • 12,350 tech leaders in Washington are available in our database.
Position in the CTO Rank Database
- • John Coster is 1 of 128,998 leaders with the Engineering Manager role tracked in the CTO Rank database.
- • 2,131 hold the Engineering Manager role at telecommunications companies (out of 11,085 total telecommunications leaders in our database).
- • 6,658 hold the Engineering Manager role in Washington.
- • 467 hold the Engineering Manager role at companies with 70000 employees.
- • Typical Engineering Manager compensation in Washington: $150,000 – $280,000 (median $200,000). Composite from levels.fyi, Glassdoor, and Payscale data; adjusted for state cost of labor.
Data compiled from LinkedIn public profiles, company filings, and verified public technology signals. Methodology & sources · Updated June 2026.
Frequently Asked Questions
How do I contact John Coster?
John Coster has a verified email address on file on CTO Rank. They work at T-Mobile. Pro members can access direct email addresses, LinkedIn profiles, and phone numbers.
What company does John Coster work for?
John Coster is Sr. Engineering Manager at T-Mobile, a company in the telecommunications industry with 70000 employees. The company is headquartered in Bellevue, Washington, United States.
What is John Coster's role in technology leadership?
John Coster is classified as a Engineering Manager leader at the manager level.
What technologies does John Coster's organization use?
John Coster's organization uses a technology stack that includes Akamai, Akamai DNS, Outlook, Brightcove, Backbone JS Library, Drupal. This information is useful for sales teams, recruiters, and technology vendors.
Is John Coster open to recruiting or new opportunities?
CTO Rank does not track open-to-work status. The best approach is to reach out directly to John Coster using the verified contact information available to Pro members. When recruiting a Sr. Engineering Manager, personalizing your outreach with specifics about the role and tech stack typically yields the best response rate.
Can I pitch or sell to John Coster at T-Mobile?
John Coster is Sr. Engineering Manager at T-Mobile. Engineering Managers like John Coster typically evaluate vendors in Akamai, Akamai DNS, Outlook, and related categories. Use CTO Rank Pro to get verified email and approach directly.
How accurate is John Coster's profile data?
CTO Rank verifies and refreshes profile data weekly. John Coster's profile includes verified contact details, company information, and technology stack data sourced from multiple public and proprietary sources.
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