Caelan Sayler
Lead Software Engineer at Velopack
Cambridge, England, United Kingdom
Summary
👤
Senior🎓
Top SchoolCaelan Sayler is a lead software engineer and entrepreneur with 11 years of experience building product-led engineering organisations and developer tooling from Cambridge, UK. He co-founded Velopack to simplify cross-platform desktop distribution after a decade of hands-on work in update delivery and packaging, and currently leads engineering at Redgate Software. His background spans senior technical leadership roles — CTO, Head of Technology, and Head of Product Development — where he shipped lending platforms, payment infrastructure, and fintech products. A pragmatic full-stack thinker, he pairs user-focused design with rigorous back-end execution, evidenced by contributions to the Exceptionless open-source project integrating MailKit for reliable email delivery. He started writing software at 10 and launched his first consultancy at 17, bringing rare early entrepreneurial grit to enterprise engineering. Colleagues describe him as a builder who turns complex requirements into streamlined, continuously-updating experiences.
11 years of coding experience
9 years of employment as a software developer
Computer and Information Systems Security/Information Assurance, Computer and Information Systems Security/Information Assurance at Red Deer Polytechnic
English
Stackoverflow
17,061reputation
1.6mreached
299answers
153questions
pinvoke
top-5%
ping
top-5%
sqlite
top-5%
network-programming
top-5%
Github Skills (22)
error-reporting10
netframework10
asp-net10
dotnet-core10
csharp10
network-programming9
pinvoke9
sqlite9
visual-studio9
ado-net9
error-handling9
ping9
xml6
wpf6
xml-node6
Programming languages (15)
Github contributions (5)
exceptionless/Exceptionless
Feb 2017 - Jan 2018
Exceptionless application
Role in this project:
Back-end Developer
Back-end DeveloperContributions:7 commits, 3 PRs, 18 comments in 11 months
Contributions summary:Caelan primarily contributed to the back-end functionality of the Exceptionless application. They added support for the MailKit library, integrating it for email sending capabilities. The commits demonstrate modifications to core components, including the `SmtpMailSender.cs` file, the `MailerExtensions.cs` file and the `Mailer.cs` file, updating dependencies, and adjusting settings. The work also involved taking the SMTP "from" address from settings if it was null.
bug-tracking-toolerror-monitoringwcfloggingc-sharp
clowd/Clowd
Feb 2016 - Nov 2022
Simple but powerful screenshot and screen recording tool for Windows.
Contributions:2 reviews, 1100 commits, 11 PRs in 6 years 10 months
obswindowsscreenshotscreen-recordingscreencast
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