Mark Sost
Technical Advisor at Digital Citizen, LLC
New York, New York, United States
Summary
👤
Senior🎓
Top SchoolMark Sost is a seasoned engineering and technology leader with 13 years of experience helping companies ship products faster by optimizing teams, processes, and technical strategy. As a fractional CTO and advisor to multiple startups and scale-ups, he bridges business goals and engineering execution while mentoring teams to be data-driven and career-focused. He’s led engineering organizations at LeafLink, SoulCycle, Hearst Digital Media, and VICE, architecting large-scale publishing and marketplace platforms and driving cloud-native, service-based architectures. Currently spearheading AI innovation and multiple CTO/advisor roles, he combines hands-on architecture, infra planning, and pragmatic product delivery to move ideas into production. An unusual blend of classical music training and early freelance full‑stack work gives him a systems-level sensibility for both creative product experiences and disciplined engineering execution.
13 years of coding experience
23 years of employment as a software developer
B.M, Sound Engineering Arts; Classical Trombone Performance, B.M, Sound Engineering Arts; Classical Trombone Performance at William Paterson University
Stackoverflow
1,143reputation
86kreached
42answers
1question
Github Skills (52)
busybox9
getopt9
htaccess9
command-line9
cli-application9
argparse9
cobra9
cli9
jq9
readline8
posix8
terraform-provider8
terraform8
cli-framework8
subcommands8
Programming languages (5)
Github contributions (5)
soulcycle/ci-tools
Jan 2018 - Jan 2019
Contributions:19 releases, 16 PRs, 63 pushes in 1 year
LeafLink/setup-ga-environment-action
Dec 2020 - Feb 2022
Contributions:5 releases, 2 reviews, 10 pushes in 1 year 1 month
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