Lambros Petrou

@lambrospetrou.com

Bootstrapping a business to simplify HTTP API testing 🐻 skybear.net Principal Software Engineer @cloudflare. Past: DDOG, WhatsApp, AWS/Amazon 🏠 lambrospetrou.com

Next project: AI agent for investing. Based on my own preferences and criteria for company fundamentals, combined with some trend following technical analysis and breakout detection from pivot points. An MCP server to allow me to chat with the agent through LLMs, and web UI.

I started reading software blogs before I got my first programming job 20 years ago. At this point, I’ve read thousands of blog posts and essays about software, but only a small handful stuck in my mind and changed the way I think. refactoringenglish.com/blog/softwar...

The Software Essays that Shaped Me

I started reading software blogs before I got my first programming job 20 years ago. At this point, I've read thousands of blog posts and essays, but a small handful stuck in my mind and changed the w...

refactoringenglish.com

I have been listening to the Market Wizards books by Jack Schwager and I loved them. It does make investing and trading seeming like a skill that needs a lot of work, consistency, patience, and risk management. However, not a single strategy is best. It depends on your character.

Share your best resources, articles, publications, talks, about "AI in Databases and Storage products". I imagine some applications are for query optimization. What else is already being explored or would benefit from AI? Infrastructure or application level.

BlueSky wants me to verify my age (seems to be a new UK law), and the provider they use failed at least 4 times today in different times. If you force a check on your users, make sure it works first.😮‍💨

Future in 20XX. Custom UI (websites, apps) doesn't matter anymore, at all. All devices directly handle multimodal input, and based on "intents" the service's APIs are called, and the response is converted to visual/audio/feeling (e.g. vibrations). Hardware + APIs + Data, wins.

Assuming you have an initial capital of 200K USD. What gets you to at least 2 million USD in the bank faster and more probable? A) Investing/Trading vs B) Building a business (3y+ horizon)?

I finally got some time to implement the "Per Request" insights for #SkybearNET. You can now drill down at the request level and figure out how your API is behaving, latency timings (DNS, TCP connect, transfer, and total duration), alongside response body sizes and status.

Skybear.NET Insights dashboard screenshot showing a timings breakdown.Skybear.NET Insights dashboard showing the dynamic grouping for URL requests.

"As AI expands, the real opportunity is to find a way to use human effort to create more value. [...] What we do have is agency over how we’ll thrive in a world where human work is being redefined. Either you work for an AI or AI works for you." seths.blog/2025/07/prod...

Productivity, AI and pushback

Typesetters did not like the laser printer. Wedding photographers still hate the iphone. And some musicians are outraged that AI is now making mediocre pop music. One group of esteemed authors is d…

seths.blog

"Logistician - ISTJ" sounded wrong initially, but the more I read about it, the more it fits me. I expected the "Architect - INTJ" type, and in hindsight I can even trace back to the questions that probably tipped me over. I find this personality test not to be very bullshity.😅

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💡 Shower idea, "ATTACHITE: SQLite files coordinator across servers". You like servers (VPS), and want to be able to use more than 1 machine. Shard your dataset across N SQLite files (N>=120). ΑTTACH them to the app to query across them. Grow by moving files to new servers.

"Always use Postgres" 😅 The database where removing a JOIN leads to 250x query execution time improvements. Mostly half joking here, it does its job well, but it always needs extra work at scale.