James Seymour-Lock
45.3K posts

James Seymour-Lock
@JamesSLock
🇬🇧 British 👽 living in NYC 🇺🇸 🎨 Ex designer & FE dev 🌟 PM @RakutenUS & Partner @simpleasmilk

One of the biggest mistakes you can make in your career is getting into management "just because." Too many people think the only way up is a linear path from IC to manager to director to VP without realizing management isn't a promotion but an entire career change. Becoming a manager is a lot like becoming a coach. You stop playing the game. You stop getting individual credit, and your job now becomes making other people successful. If you got into it for the title, the pay bump, or because you thought it was "the next step" you're probably going to burn out. The best managers I've worked with genuinely wanted to develop people. The worst ones wanted the corner office and ended up micromanaging everyone into the ground because they couldn't let go of being the best individual performer.



New on the Anthropic Engineering Blog: How we use a multi-agent harness to push Claude further in frontend design and long-running autonomous software engineering. Read more: anthropic.com/engineering/ha…

Starting this week, millions of @Shopify merchants can sell in ChatGPT, into the US. Their PDP, their checkout, their customizations, no extra setup. AI is a new front door to commerce. Shopify is what’s behind it everywhere.

A designer who can ship code is one of the most valuable hires in tech today. Here's my new episode with @felixleezd (CEO of @ADPList) where he showed me how to use Claude Code and Figma MCP to go from: ✅ Figma → Code: Design to website in 15 min ✅ Code → Figma: App back to editable design Felix also demoed a few apps he's designed and built in Claude Code, including a 3D globe website and a landing page analyzer. Some takeaways from Felix: 1. Stop pasting screenshots into Claude Code. Instead, use Figma MCP to pull in all your assets, icons, and images automatically. 2. You can use the same MCP to convert code back into editable Figma layers to explore more variations. 3. An underrated way to build: Use FigJam to plan a flowchart of your app first, then paste the link into Claude Code with the MCP. 📌 Watch now: youtu.be/ydiMKfljb-I Thanks to our sponsors: @Replit: Plan, design, and build with AI agents replit.com/?utm_source=cr… @linear: The AI agent platform for modern teams linear.app/behind-the-cra…

4/ Design roles have plateaued Unlike PM and engineering, open design jobs have been relatively flat since early 2023, and there are also fewer of these roles than PMs and engineers in absolute terms (about 5,700 globally).







We've been building an internal Claude Code plugin system at Intercom with 13 plugins, 100+ skills, and hooks that turn Claude into a full-stack engineering platform. Lots done, more to do. Here's a thread of some highlights.

This is what a one-person AI Agent run company looks like in 2026. 6 AI agents. 20 cron jobs. 0 human employees. Every role is a folder. Every job description is a md file. No standups. No Slack. No payroll. Just a directory on a Mac that runs the whole thing.







