Rob Cooper
Chief Technology Officer at Exam Prepper
London, England, United Kingdom
Summary
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SeniorRob Cooper is a pragmatic technology leader and CTO with 15 years of hands-on software engineering experience and over a decade specialising in Microsoft .NET and cloud-native architectures. He has repeatedly led small senior teams to deliver secure, scalable identity and platform solutions—most recently driving principal engineering practice at NewDay and now steering tech strategy at Exam Prepper. Rob combines deep implementation skills (from IdentityServer/OpenID Connect migrations to back-end C# libraries) with a strong track record of embedding Agile and Lean practices to boost team autonomy and ROI. He founded a consultancy to bring .NET and Azure expertise to clients and has contributed to open-source tooling that improves email CSS compatibility, showing attention to interoperability and edge-case robustness. Colleagues value him as a hands-on fixer who can both unstick critical incidents and instil long-term engineering improvements.
15 years of coding experience
17 years of employment as a software developer
Github Skills (5)
css10
cs310
csharp10
dotnet-core10
e-mail9
Programming languages (5)
Github contributions (5)
milkshakesoftware/PreMailer.Net
Nov 2013 - Feb 2014
C# library that moves your stylesheets to inline style attributes, for maximum compatibility with E-mail clients.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:13 commits in 3 months
Contributions summary:Rob primarily contributed to the `premailer.net` C# library, focusing on improving its core functionality related to parsing and applying CSS styles inline within HTML. Their work included implementing a CSS selector parser, enhancing specificity handling to ensure correct style application, and addressing issues with pseudo-classes/elements. The user's changes also involved refactoring the codebase to support multiple CSS sources and improve overall maintainability and robustness of the library.
movesstylesheetsinline-csscsspremailer
robcthegeek/Katas
Oct 2016 - Mar 2020
Contributions:40 pushes, 20 branches in 3 years 5 months
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