SEspeed engineerinspeed-enginner.hashnode.dev路May 1 路 3 min readTwo Products, One Year, Endless Lessons: What Building in Public Actually Taught MeHonest confession: for most of my freelancing life, I was bad at tracking time. Not "a little disorganized" bad. More like "reconstructing three weeks of work from memory on invoice day" bad. I'd sit down, open a blank spreadsheet, try to piece toget...00
SEspeed engineerinspeed-enginner.hashnode.dev路Apr 28 路 4 min readHow to Build a Shared AI Prompt Library for Your Team (Without Slack-Pinning Chaos)If you've ever worked alongside a marketing, sales, or support team that's adopted ChatGPT, Claude, or Gemini, you've probably watched the same scene play out: Someone writes a great prompt for outbound emails. It gets pasted into a Slack DM. Three w...00
SEspeed engineerinspeed-enginner.hashnode.dev路Apr 26 路 2 min readThe Sunday Notebook: What a Two-Product Week Quietly Taught MeThe Sunday Notebook: What a Two-Product Week Quietly Taught Me Most Sundays I scroll back through the week's commits, support tickets, and Slack threads, looking for the lesson hiding in the noise. This week I found five. I'm working on two things in...00
SEspeed engineerinspeed-enginner.hashnode.dev路Apr 25 路 3 min readHow a 64-Byte Constant Quietly Doubled My ThroughputHow a 64-Byte Constant Quietly Doubled My Throughput There's a number I keep tattooed on the back of my brain when I'm designing wire formats. It's 64. That's the cache line size on every x86_64 and ARM CPU you're likely to deploy on. And ignoring it...00
SEspeed engineerinspeed-enginner.hashnode.dev路Apr 24 路 3 min readThe founder lesson I wish someone told me sooner: your first 100 users don't want what you think they wantYour first 100 users don't want what you think they want Six months ago I shipped FillTheTimesheet, a time-tracking app for freelancers and agencies. The pitch in my head was gorgeous: automated tracking, smart categorization, AI-assisted client bill...00