Mark Jeffries
Lead Software Engineer at WTW
Denver Metropolitan Area United States
Summary
👤
Senior🎓
Top SchoolMark Jeffries is a Lead Software Engineer based in the Denver area with roughly two decades of professional experience and nine years in senior engineering and architectural roles. He specializes in designing and delivering high-performance, scalable systems using C#, Angular, microservices, Azure, and SQL, and currently leads engineering efforts at WTW. Mark has a strong track record of mentoring teams and instilling software best practices across organizations from startups to large enterprises like Charles Schwab and Thomson Reuters. His background shows continuity in leadership roles dating back to the late 1990s, reflecting deep institutional knowledge of enterprise software lifecycles and modernization efforts. Colleagues rely on him to bridge architecture and delivery, turning complex business requirements into reliable production systems. Outside of his core stack, he brings an engineer’s curiosity and a pragmatic focus on maintainability that often surfaces in successful legacy-to-cloud transitions.
9 years of coding experience
26 years of employment as a software developer
Bachelor of Science (B.S.), Computer Science, Bachelor of Science (B.S.), Computer Science at Ferris State University
Github Skills (6)
selenium-webdriver4
testing3
test-automation2
webdriver2
selenium2
automation2
Programming languages (1)
Github contributions (5)
denvermark/automation-testing
Jan 2017 - May 2017
Contributions:20 commits, 16 PRs, 10 pushes in 4 months
test-automationtestingselenium-webdriverautomationautomationtesting
denvermark/gitversion-test
Feb 2019 - Mar 2019
Contributions:5 releases, 10 PRs, 5 pushes in 1 day
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