Websites
Fast, easy-to-use sites for local businesses that turn visitors into customers. I design, build and launch the whole thing.
- Designed for your business
- Looks great on phones
- Found on Google, ChatGPT and other search engines
Software engineer, founder
Hi, I’m Etienne.
I build Windows apps and websites.
I build Windows desktop apps and design websites for local businesses. Born in France, living in Seattle.
20+
years building software
About Me
I'm a software engineer at Microsoft and the founder of Veler, LLC. By day I ship features used by millions. On the side, I help local businesses get fast, modern websites and I build Windows desktop apps for fun.
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Windows desktop apps WINUI, UWP, WPF, .NET
Native applications in C#, built from the architecture down to the small details.
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Web development TYPESCRIPT, .NET, PHP
Modern, accessible websites that load quickly.
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Founder, Veler, LLC SINCE 2025
Building websites for local businesses.
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Software Engineer, Microsoft SINCE 2018
Building Windows apps and developer tools used by billions of people worldwide.
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Many cool homemade projects SINCE 2005
DevToys, WindowSill, SoftwareZator and many more.
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Master's in Computer Science SUPINFO
Leader of the Microsoft community 4 years in a row.
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Always learning SELF-TAUGHT
Continuously sharpening design, performance and platform craft.
Things I’ve shipped.
Side projects I build alongside my day job. A few have reached hundreds of thousands of people.
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DevToys
30+ offline tools to format, convert and encode text and data, all in one cross-platform app.
devtoys.app -
WindowSill
A command bar and AI writing assistant that puts clipboard, media, and more at your fingertips.
getwindowsill.app -
CtrlHelp
Learn any app's keyboard shortcuts, shown right when you need them so your hands stay on the keyboard.
ctrlhelp.velersoftware.com
How I can help.
Through Veler, LLC I take on a small number of projects on the side, with the same care I put into my own products.
Windows desktop apps
Native Windows applications, from a small internal tool to a finished product, built by someone who ships them to hundreds of thousands of users.
- Windows development expertise
- Thoughtful design & snappy, native performance
- Launch & ongoing updates
Let’s work together.
Have a project in mind, a website for your business or a Windows app? Tell me a bit about it and I'll get back to you within a couple of days.