Larry Sprock
Founder Fractional CTO at Lucidbleu Technology Services
Santa Monica, California, United States
Summary
👤
Senior🎓
Top SchoolLarry Sprock is a seasoned software leader and founder with 17 years of experience helping startups scale engineering and delivery as a Fractional CTO and former executive. He has repeatedly grown and structured teams—scaling engineering from single digits to 40+ hires, slashing onboarding time, and improving retention—while driving technical migrations that unlocked new revenue and personalization. Hands-on across the stack, Larry has deep Rails expertise and a history of meaningful open-source contributions to widely used Ruby projects like CarrierWave, Formtastic, and Sunspot that emphasize reliability, background processing, and testability. He combines pragmatic engineering practices (TDD, caching, API-first design) with product-focused delivery, turning complex monoliths into headless platforms and near-real-time data systems. Based in Santa Monica, he advises early-stage startups on MVP strategy, hiring, and technical debt reduction, and quietly incubates a marketplace in the classic car space. Collected outcomes—faster release cycles, bigger conversion lifts, and measurable revenue impact—underscore his ability to pair tactical execution with strategic leadership.
17 years of coding experience
22 years of employment as a software developer
Automotive Engineering Technology/Technician, Automotive Engineering Technology/Technician at California State University-San Bernardino
Github Skills (17)
ruby-rails10
back-end-development10
carrierwave10
testing10
formtastic10
rails10
solr10
ruby10
bundler10
sidekiq9
resque9
pagination9
html9
activerecord8
mongodb5
Programming languages (5)
Github contributions (5)
lardawge/carrierwave_backgrounder
Mar 2011 - Dec 2020
Offload CarrierWave's image processing and storage to a background process using ActiveJob or Sidekiq..
Role in this project:
Back-end Developer
Back-end DeveloperContributions:245 commits, 60 PRs, 59 pushes in 9 years 10 months
Contributions summary:Larry primarily contributed to the `carrierwave_backgrounder` repository, which focuses on offloading image processing and storage for the CarrierWave gem to a background process. They refactored the code, introduced the ability to bypass background processing, and added features like support for Resque, Sidekiq, and SuckerPunch for background job processing. Furthermore, they added and refined testing. These actions demonstrate a focus on improving the library's functionality and integration with various background processing systems.
carrierwavegirlbackground-processresqueruby
formtastic/formtastic
Nov 2009 - Nov 2010
A Rails form builder plugin with semantically rich and accessible markup.
Role in this project:Back-end Developer
Back-end DeveloperContributions:18 commits in 1 year
Contributions summary:Larry primarily focused on refining and improving the functionality of the `formtastic` library. Their contributions involved addressing critical bugs, such as ensuring boolean input values correctly reflected database values and were updated appropriately. The user also made enhancements to how the `label_str_method` functions, ensuring it's consistently applied across the library. Furthermore, the user updated the documentation to reflect the changes made.
form-builderrailsaccessiblerubybuilder
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.