Syntax - Tasty Web Development Treats8 Okt 2025

944: Is Coinbase Really Writing Half Their Code With AI?

Wes and Scott talk with Kyle Cesmat about how Coinbase is writing nearly half its code with AI—while keeping quality and security front and center. They dig into tools like Cursor and Claude Code, agent-driven workflows, code review challenges, and how AI is reshaping developer productivity without replacing developers. Show Notes 00:00 Welcome to Syntax! 03:29 Defining and measuring “quality” at a large company 05:05 How AI-generated code is reviewed and shipped at Coinbase 07:35 A developer’s workflow using AI—from ticket to production 10:30 Standard vs. team-specific tools for AI development 12:55 Using MCP servers to power internal AI workflows 14:42 MCP vs. custom agent integrations 17:16 What kinds of code AI is writing at Coinbase 19:48 Which languages and tasks does AI handle best? 21:21 Getting AI to follow existing code conventions greptile 24:36 Brought to you by Sentry.io 25:01 How AI affects hiring, velocity, and developer focus 28:16 AI’s role in speeding up code reviews 31:28 The most valuable AI tool in Coinbase’s stack 33:48 Managing AI costs and model choices 35:10 Security considerations for using external AI models 37:04 How often Coinbase tunes and adjusts its AI systems 39:26 Using AI to write code vs. embedding AI in customer-facing features 42:29 Kyle’s big-picture take on AI as a tool—not a magic bullet Measuring the Impact of Early-2025 AI on Experienced Open-Source Developer Productivity 44:33 The future of hiring engineers with their own “backpack” of agents 45:53 Sick Picks + Shameless Plugs Sick Picks Kyle: UltraShelf Hit us up on Socials! Syntax: X Instagram Tiktok LinkedIn Threads Wes: X Instagram Tiktok LinkedIn Threads Scott: X Instagram Tiktok LinkedIn Threads Randy: X Instagram YouTube Threads

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Episoder(1027)

1027: The Rise of the Design Engineer

Scott and Wes tackle your questions on the rise of the design engineer, why AI still lacks “taste” (and why it’s about more than just looks), and how to actually write tests in the age of AI-assisted ...

5 Aug 1h 3min

1026: OpenAI Agent Hacks Hugging Face

A rogue OpenAI agent allegedly hacks Hugging Face, the React Compiler lands in Rust, and a fresh Rust full-stack framework ships. Scott, Wes, and CJ also dig into Anthropic’s $1.5B copyright settlemen...

3 Aug 1h 36min

1025: The Open Web's second chance (w/ Dan Abramov)

Dan Abramov joins Scott and Wes to explain AT Protocol, the open standard quietly rebuilding the social web. They get into how it actually works, why it’s way bigger than just Bluesky, and why Dan cal...

29 Jul 1h

1024: Open Models Replace Big AI

A huge week for open models: Inkling (the first big US open-weight model since Gemma 4), Qwen 3.8, and Kimi 3 all dropped. Plus Vue 3.6 RC + Vapor Mode, the slow death of Stack Overflow, a decoy font ...

27 Jul 1h 7min

1023: Mosh, Caddy & Tailscale: A Remote Dev Deep Dive

Running your dev process off your main machine doesn’t have to mean the cloud. Scott and Wes break down how to host projects on a box you can reach from any device, close your laptop mid-build, and ke...

22 Jul 48min

1022: Bun re-written in Rust, Zig team big mad

CJ and Scott break down the biggest week in web dev: TypeScript 7 ships with a 10x-faster native port, Bun gets rewritten in Rust (much to the Zig team’s dismay), and Better Auth joins Vercel. Plus GP...

20 Jul 1h 15min

1021: We got addicted to an AI model we can't talk about

Dax Raad, co-founder of OpenCode, joins Scott and Wes to talk remote dev servers, OpenCode 2.0, and why his team is “addicted” to AI models they’re not even allowed to name yet. Show Notes 00:00 In...

15 Jul 51min

1020: Do You Read The Code?

Auto-accept on, brain off? We’re getting into whether anyone actually reads the code they ship anymore — then it’s HTTP’s first new method in 16 years (meet QUERY) and OpenAI’s compute-hungry “Sol Ult...

13 Jul 1h 27min