Jonny Olliff-lee
Principal Engineer at Freemarket
United Kingdom
Summary
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Rockstar🎓
Top SchoolJonny Olliff-lee is a Principal Engineer based in the UK with 14 years of experience specializing in C# and .NET technologies. He has progressed through roles from developer to technical lead and now principal engineer at Freemarket, demonstrating strong delivery and architectural judgment on enterprise and product teams. Jonny contributes to open-source .NET tooling—enhancing messaging capabilities in the Brighter framework with RabbitMQ multi-topic routing and runtime feature switches—showing a practical focus on robust distributed systems. His background includes sustained senior engineering and leadership at Huddle and UBM, where he shipped backend systems and mentored teams. Known for pragmatic refactors and pragmatic feature-driven improvements, he balances clean design with shipping working software. He combines deep .NET expertise with a track record of improving messaging and integration layers that power scalable applications.
14 years of coding experience
17 years of employment as a software developer
Bachelor of Science degree Computer Science, Bachelor of Science degree Computer Science at University of Newcastle upon Tyne NewcastleEastbourne College
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Github Skills (17)
net10
liferay10
dotnet10
rabbitmq10
asp-net10
dotnet-core10
csharp10
jsp9
nuget7
microservices-application7
microservices7
powershell6
taglib6
usergroup6
publish6
Programming languages (7)
Github contributions (5)
BrighterCommand/Brighter
Mar 2018 - Dec 2022
A framework for building messaging apps with .NET and C#.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:8 reviews, 45 commits, 42 PRs in 4 years 9 months
Contributions summary:Jonny primarily focused on enhancing the messaging capabilities of the .NET and C# framework. Their contributions involved adding support for binding channels to multiple topics within the RabbitMQ messaging gateway. They refactored code and added new classes to implement multiple routing keys. Additional commits demonstrate feature enhancements with the implementation of a feature switch to control runtime handlers
csharpdotnetcommand-processorcommand-dispatcherbrighter
DevJonny/xwing2estopgap
Jul 2018 - Nov 2018
Contributions:15 PRs, 149 pushes, 17 branches in 3 months
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