Carl Mercier
Chief Technology Officer at Bloomworks
Grapevine, Texas, United States
Summary
👤
Senior🎓
Top SchoolCarl Mercier is a seasoned technology executive and serial founder with 17+ years of hands-on engineering and leadership experience, currently serving as CTO at Bloomworks. He has founded and exited multiple startups—including VarageSale (acquired after scaling to 175 hires and raising $40M from Sequoia and Lightspeed) and Defensio (acquired by Websense)—and brings rare operator experience from seed to acquisition. Carl blends product-led vision with deep engineering chops, contributing full‑stack Rails work and low-level system/EFI maintenance in open-source projects. He’s also an operator in education as co-founder and COO of a private school serving 130+ families, reflecting a talent for building teams and communities beyond tech. Based in Grapevine, Texas, he is known for marrying pragmatic cost-saving engineering (50%+ ops savings at Spring Health) with long-term community building like founding Montreal on Rails.
17 years of coding experience
27 years of employment as a software developer
Undergraduate Business Management, Undergraduate Business Management at Stonehill CollegeUndergraduate Business Management, Undergraduate Business Management at Université du Québec à Trois-RivièresEngineering Computer Assisted Audio Engineering, Engineering Computer Assisted Audio Engineering at TREBAS
English, French
Stackoverflow
1,251reputation
244kreached
9answers
3questions
ssl
top-5%
Github Skills (24)
web-application10
rails10
opencore10
driver10
hackintosh10
webapp10
html10
web-development10
ruby-on-rails10
system-configuration9
ssl9
bootloader9
http9
boot9
appconfig9
Programming languages (20)
Github contributions (5)
cmer/gigabyte-z390-aorus-master-hackintosh
Nov 2018 - Oct 2021
A guide to build your own Hackintosh based on Gigabyte Z390 Aorus Master
Role in this project:
DevOps Engineer
DevOps EngineerContributions:125 commits, 7 PRs, 95 pushes in 2 years 11 months
Contributions summary:Carl primarily focused on configuring and updating the EFI (Extensible Firmware Interface) files used for booting a Hackintosh system. They made frequent updates to Clover, drivers, and kexts, indicating a strong focus on system configuration and maintenance. The user also implemented scripts and configurations for managing and cleaning the EFI environment, including changes related to OpenCore and the boot process. They regularly updated the EFI files to keep the Hackintosh build up-to-date with the latest versions of Clover and related software.
gigabytemastermacosaorusbuild-your-own
cmer/socialization
Jan 2012 - Feb 2022
Socialize your app with Likes, Follows and Mentions
Role in this project:Full-stack Developer
Full-stack DeveloperContributions:1 review, 141 commits, 14 PRs in 10 years 2 months
Contributions summary:Carl contributed to the demo application, adding an initial HTML structure and Rails application configuration. The commits indicate the development of a basic web application with a focus on Ruby on Rails, including initial setup and configuration for production environments. Furthermore, they made code changes to integrate the "mentions" feature, implying the enhancement of the application's social interaction capabilities. These changes demonstrate a focus on both front-end and back-end integration within the context of a Rails application.
firebasesocializelikes
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