Everytopic.

Building security for a finance app — device approval workflows, multi-layer rate limiting, subscription tiers, and GDPR compliance. The unglamorous stuff that keeps data safe.

Every app needs an admin panel. Here's how I built Lumo's with Vite and TanStack Router — and why internal tools deserve real engineering effort.

Building a finance app in React Native that actually feels native — screen architecture, custom hooks, real-time sync, and the small details that matter.

Building a spending prediction engine that tells you how much you'll spend next month — two model versions, confidence intervals, and a lot of humility.

Salary hits monthly. Freelance pays biweekly. Investments trickle in quarterly. Converting all of that into one budget number? Harder than it sounds.

Building a real-time finance app on Convex — what's magical, what's painful, and what I wish someone had told me before I started.

Building a custom budget cycle system that aligns with your actual payday — sounds simple, right? Three rewrites later, here's what I learned.

The origin story of Lumo — why I decided to build an entire personal finance ecosystem from scratch, and what the first few weeks looked like.

I was paying for two Convex instances, maintaining two codebases, and slowly losing my mind. Then I gave Claude Code one prompt and 75 minutes — and got a working monorepo. Here's what broke, what worked, and why I'd never go back.

A junior dev committed a .env file to staging. We thought we deleted it. Git never forgets — and in 2026, AI agents are making secret leaks dramatically worse.