David Kariuki
Software Engineer at Mastered Ltd
London, England, United Kingdom
Summary
👤
Senior🎓
Top SchoolDavid Kariuki is a software engineer with 13 years of experience building web, mobile, and game-focused applications across startups, education, and healthcare. He has led backend development and core platform work using Ruby on Rails, PostgreSQL/MySQL, and modern front-end stacks (React, Svelte, Angular), and shipped production mobile apps with React Native and native iOS. At Infinity Health he delivered a real-time care coordination platform that replaced paper workflows, and as Lead Backend Engineer at Mastered he scaled education and placement systems for creative professionals. Comfortable stepping out of his comfort zone, he thrives on continuous learning and has blended academic research (stochastic C++ models at Stanford) with entrepreneurial product work (co-founding a cross-platform productivity app). Based in London, he brings both hands-on implementation skills and a pragmatic focus on solving real-world communication and efficiency problems.
13 years of coding experience
12 years of employment as a software developer
Associate's Degree, Mathematics, Associate's Degree, Mathematics at Essex County CollegeBachelor's Degree, Biomedical Computation, Bachelor's Degree, Biomedical Computation at Stanford University
chewa, English, Swahili
Stackoverflow
7,320reputation
514kreached
129answers
45questions
ruby
top-5%
ruby-on-rails
top-5%
sqlite
top-5%
heroku
top-5%
Github Skills (27)
ruby9
sqlite9
heroku9
ruby-on-rails9
lua6
xcode6
api6
iphone6
devise6
cocoa6
objective-c6
http-authentication6
titanium6
rubygems6
neovim-plugin5
Programming languages (5)
Github contributions (5)
davidkariuki/algorithms
Apr 2014 - Aug 2020
A collection of different algorithms, in ruby.
Contributions:13 commits, 2 pushes in 6 years 5 months
ruby
davidkariuki/blog
Sep 2020 - Jul 2022
Repository for davidkariuki.com
Contributions:16 PRs, 79 pushes, 18 branches in 1 year 10 months
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