
Naseebullah Ahmadi
Sr. Software Engineer (Previously at IFX Payments)
Booked up for now, but do say helloI help companies turn complex problems into scalable products, working across architecture, product thinking, and the details that make an interface feel considered. I like small teams, clear writing, and code that is boring in the places it should be.
8+ yrs
building software
Agencies and startups through to fintech platforms.
≈20+
products shipped
Customer apps, internal tools, and design systems.
added here over time3
teams mentored
Frontend and full-stack engineers, junior to mid-level.
Now
- Writing about system design in plain language
- Building small tools I actually use daily
- Reading about distributed systems and typography
Career
Full careerAug 26, 2025 — Aug 1, 2026
Sr. Software Engineer
IFX Payments1 yr
Jan 13, 2025 — Aug 22, 2025
Software Engineer II
Argentex Group PLC8 mos
May 1, 2020 — Sep 1, 2024
Fullstack Engineer
Truelayer4 yrs 5 mos
Selected writing
More writing- Essay · 11 min
Why step-by-step logs can't answer "why did this checkout fail," and how one wide event per request fixes it.
- Snip · 4 min
Build up one structured log event over a request's lifetime, emit it once at the end.
- Cheat · 11 min
Build one context-rich event per request instead of a log line per step; emit it once at the end.
Say hi 👋
Working on something ambitious, or stuck in a system that has outgrown itself? I read every email.
