Niels Swimburger.NET 🍔
@swimburger.bsky.social
Having experienced these challenges firsthand at AssemblyAI, I'm now working full-time on a TypeScript generator at Fern. I've written about today's development challenges and what it takes to deliver exceptional TypeScript SDKs in 2025.
buildwithfern.com/post/generat...
buildwithfern.com/post/generat...
How to generate a TypeScript SDK for your API spec | Fern
Learn how to deliver a TypeScript SDK that’s lightweight, fully type-safe, and works across all JavaScript runtimes with Fern.
buildwithfern.com
July 16, 2025 at 3:07 PM
Having experienced these challenges firsthand at AssemblyAI, I'm now working full-time on a TypeScript generator at Fern. I've written about today's development challenges and what it takes to deliver exceptional TypeScript SDKs in 2025.
buildwithfern.com/post/generat...
buildwithfern.com/post/generat...
Now I'm building libraries that need to work seamlessly across browsers, multiple Node.js versions, Bun, Deno, edge runtimes like Cloudflare Workers and Vercel Edge Runtime, and yes, React Native too. The complexity has exploded, but our tooling hasn't kept pace.
July 16, 2025 at 3:07 PM
Now I'm building libraries that need to work seamlessly across browsers, multiple Node.js versions, Bun, Deno, edge runtimes like Cloudflare Workers and Vercel Edge Runtime, and yes, React Native too. The complexity has exploded, but our tooling hasn't kept pace.
I was able to achieve a pretty good UX cobbling together some System.Text.Json extensibility points. Feedback appreciated!
April 10, 2025 at 4:42 PM
I was able to achieve a pretty good UX cobbling together some System.Text.Json extensibility points. Feedback appreciated!
Check out our roles: buildwithfern.com/careers
Join the Fern team
We are a small, tight-knit team building dev tools for the largest API-first companies in the world. We’re also musicians, DJs, photographers, wine enthusiasts, runners, and more.
buildwithfern.com
April 10, 2025 at 4:26 PM
Check out our roles: buildwithfern.com/careers
Check it out: github.com/square/square-dotnet-sdk
⚡ P.S. Also optimized webhook signature verification with Span & Span to reduce allocations.
⚡ P.S. Also optimized webhook signature verification with Span
GitHub - square/square-dotnet-sdk: .NET client library for the Square API
.NET client library for the Square API. Contribute to square/square-dotnet-sdk development by creating an account on GitHub.
github.com
March 21, 2025 at 4:37 PM
Check it out: github.com/square/square-dotnet-sdk
⚡ P.S. Also optimized webhook signature verification with Span & Span to reduce allocations.
⚡ P.S. Also optimized webhook signature verification with Span
You get the brightest people in the .NET community to review your PR, but clearly Twilio doesn't care about C# or .NET.
github.com/twilio/twili...
github.com/twilio/twili...
feat: Optimize request validator + make thread safe (backwards compatible) by Swimburger · Pull Request #660 · twilio/twilio-csharp
All third-party contributors acknowledge that any contributions they provide will be made under the same open-source license that the open-source project is provided under.
ASP.NET Core is pushing ...
github.com
March 21, 2025 at 4:06 PM
You get the brightest people in the .NET community to review your PR, but clearly Twilio doesn't care about C# or .NET.
github.com/twilio/twili...
github.com/twilio/twili...