Work

Case studies and write-ups.

Two products I built end to end, and the methods behind the results: segmentation, margin and measurement.

Case study · PayTR · AI customer insight

Voice of Customer: AI customer-intelligence platform

A social listening platform that has analysed 50K+ public posts on PayTR and nine competitors, runs every day, and became the complaint management tool once support tickets and NPS joined it.

Read the case study Case study · Verintra · my own product

Verintra Feed Optimizer: product feeds that ads can read

A SaaS that checks every product in a feed, fixes titles, attributes and categories with AI, and publishes to 33 channels. Built solo since 2025, live at app.verintra.com.

Read the case study Write-up · Growth and data · 6 min read · with SQL template

RFM(T) segmentation: the complete guide (with a free SQL template)

The profit weighted model I ran at PayTR: how to score it in SQL, the weighting most people skip, and a template to copy.

Read the write-up Write-up · Data and finance · 4 min read

The margin hiding in settlement float

Revenue is easy to report. Margin is not. How I gave a payments company the margin of every transaction, including the float most teams never measure.

Read the write-up Write-up · Analytics · 4 min read

GA4 + server-side tracking: a practical, privacy-compliant setup

Why browser tracking quietly loses data, and a step by step GA4 setup with server side tagging that respects consent and keeps attribution intact.

Read the write-up