Blog

Thoughts on engineering, technical challenges, and lessons learned along the way.

A developer sitting at a desk surrounded by notes and diagrams, looking frustrated after a technical interview

Over Prepared for a Technical Interview and Still Bombed It

Jeff Kershner · February 25, 2026 · 3 min read

I over prepared for a technical interview and still bombed it. Read to learn more about what happened.

Illustration of TypeScript generics connecting different types with a single reusable function

TypeScript Generics: Write It Once, Stay Type-Safe Forever

Jeff Kershner · February 19, 2026 · 3 min read

Type safety is one of the most important things a frontend developer can do to improve code quality, especially in the era of AI-assisted coding. When you use generics well, you write a function once and let TypeScript enforce correctness everywhere it's used.

A symbolic transition from one chapter to another, representing a new beginning in a software engineering career

Closing One Chapter, Opening Another

Jeff Kershner · February 8, 2026 · 2 min read

After eight years building RadiusAI from the ground up, I’ve stepped away from my role as Director of Engineering and am exploring the next chapter—writing, side projects, open source, and new opportunities in dev tools, AI/ML, and the modern web.

Illustration of TypeScript and Go logos symbolizing a compiler rewrite

Typescript’s Native Rewrite in Go

Jeff Kershner · February 6, 2026 · 9 min read

Microsoft is rewriting the TypeScript compiler in Go for major performance gains—what does this mean for everyday developers?

iOS SwiftUI app performing real-time YOLO object detection with bounding boxes over a live camera feed

Testing a Native Computer Vision App with YOLO and SwiftUI

Jeff Kershner · February 3, 2026 · 2 min read

This is an example of a native iOS SwiftUI app running YOLOv8 object detection entirely on-device with Core ML and Vision for real-time inference.

Screenshot of a cross-platform Vulkan renderer in C++ rendering a lit 3D scene

Vulkan Renderer in C++

Jeff Kershner · January 29, 2026 · 1 min read

Here is a quick demonstration of a cross platform Vulkan renderer written in C++.

Comparison between Convex and Supabase backend as a service platforms

Convex vs Supabase

Jeff Kershner · January 28, 2026 · 9 min read

A quick comparison on two popular backend as a service solutions.

Comparison between NeonDB and PlanetScale serverless databases

NeonDB vs PlanetScale

Jeff Kershner · January 26, 2026 · 5 min read

A quick comparison on two popular serverless database solutions, NeonDB vs PlanetScale, and when it makes sense to choose one over the other.

Convex backend-as-a-service praised for real-time TypeScript developer experience

Convex is Awesome; Theo was right again...

Jeff Kershner · January 24, 2026 · 3 min read

I recently switched from Supabase to Convex... here is article explaining why.

Illustration of a modern 2026 web development tech stack spanning frontend, backend, database, infrastructure, AI/ML, and developer tools.

My Techstack in 2026

Jeff Kershner · January 2, 2026 · 4 min read

This is an article explaining my techstack in 2026.

TypeScript is Winning

Jeff Kershner · December 6, 2025 · 1 min read

TypeScript is beating out JavaScript. If you are still writing JavaScript, read this article.