Gary Greyling
Engineering & Product Manager at Mpowered Business Solutions
Gauteng, South Africa
Summary
👤
Senior🎓
Top SchoolGary Greyling is an engineering and product manager with 16 years of experience building and scaling Ruby on Rails products from codebase to commercial growth. At Mpowered Business Solutions he progressed from senior developer to managing director and now leads engineering and product, balancing sales, support and retention priorities while maximizing ROI on engineering budgets. He combines hands-on Rails craftsmanship—DSLs, performance tuning, security remediation and Rails engines—with product practices like roadmap strategy, data-driven sales engineering and "privacy by design." Gary is a pragmatic coach who structures institutional knowledge and onboarding to accelerate developer ramp-up and reduce bus factor. Based in Gauteng, South Africa, he brings a rare blend of deep TDD/SCRUM discipline and operational leadership that transitions products from validation to volume growth. Notably, he turned regulatory complexity into reusable engineering assets that both simplified legislation updates and enabled scalable product differentiation.
16 years of coding experience
10 years of employment as a software developer
University of South Africa
Stackoverflow
3,081reputation
291kreached
16answers
16questions
migration
top-1%
ruby
top-5%
ruby-on-rails
top-5%
Github Skills (43)
ancestry10
tree-structure10
hierarchy10
migration10
nested-set10
parent9
ruby9
ruby-on-rails9
wkhtmltopdf9
campaign-monitor8
pdfkit8
rails8
command-line-utility7
html-to-pdf7
html6
Programming languages (3)
Github contributions (5)
mpowered/campaign_monitor_subscriber
Sep 2010 - May 2013
Contributions:29 commits in 2 years 8 months
ruby-on-railscampaign-monitormonitorsyncrails
mpowered/sidekiq-nag
Feb 2013 - May 2015
Contributions:21 commits, 2 pushes, 1 tag in 2 years 3 months
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