William Cairns
Senior Developer at Runeworkz
Johannesburg, Gauteng, South Africa
Summary
👤
Senior🎓
Top SchoolWilliam Cairns is a Senior Developer and technical lead with nearly three decades of software experience and a proven track record of defining architectures, modernizing teams, and shipping cloud-native solutions. He blends hands-on frontend expertise (React, microfrontends, custom hooks) with deep AWS serverless experience, having led international teams to deliver contact-centre and large-scale enterprise systems. A mentor at heart, he has grown dozens of junior engineers into reliable contributors while instilling CI/CD, unit testing, and agile best practices across organisations. He also builds and markets his own SaaS products and runs a family startup, showing a practical entrepreneurial streak beyond enterprise work. Comfortable across stacks and tooling, he’s currently focused on AWS and JavaScript while pursuing advanced studies in software engineering. Holding dual US and South African citizenship and based in Johannesburg, he is actively seeking remote Technical Lead or Principal roles in the USA.
9 years of coding experience
31 years of employment as a software developer
Master of Computer Science , Software Engineering, Master of Computer Science , Software Engineering at Wrexham UniversityBachelor of Commerce - BCom, Information Systems, Bachelor of Commerce - BCom, Information Systems at University of Pretoria
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (55)
pulumi10
cdktf10
bootstrap9
walkthrough9
intro9
html-parser9
troposphere9
aws9
designer9
website-design9
react8
crud8
react-admin8
froala8
dom8
Programming languages (4)
Github contributions (5)
cairnsgames/template-app-rcb
Mar 2024 - Jun 2026
Contributions:266 pushes, 1 branch, 4 issues in 2 years 3 months
cairnswm/cairnswm
Aug 2020 - Nov 2025
Contributions:29 pushes, 1 branch in 5 years 3 months
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