Writing
Fintech is unforgiving — a frontend bug can expose accounts, balances, and the ability to move money. Seven vulnerabilities I see most often, from tokens in localStorage to missing CSRF, with practical fixes from production work.
Your UI needs six fields; the API returns forty-seven. Backend For Frontend in Next.js — API routes and Server Actions as a dedicated layer that aggregates, shapes, and secures data so components stay presentation-only.
Geography shapes what problems we solve. While tech talent clusters in major cities building urban middle-class solutions (ride-hailing, food delivery), the critical infrastructure needs of rural and informal markets are left neglected.
A critical critique of the ecosystem's hyper-focus on Fintech and B2B SaaS. We need digital healthcare infrastructure, NLP for native African languages, and systems designed for the informal economy that supports 85% of sub-Saharan Africa.
A technical walkthrough detailing how to replace Google Apps Script's built-in GmailApp with Resend's API via UrlFetchApp to prevent personal email leaks and ensure high deliverability from your custom domain.