Posts

All the articles I've posted.

• John Shelburne — Electronic Trading Executive & Fixed Income Technology Leader

  21 Apr, 2026

  20+ years building electronic trading systems, leading sales teams, and running trading desks across Bloomberg LP, London, and Dallas. CEO of CatFIX Technology.

• The DNS Tax

  21 Apr, 2026

  You ship the rewrite. You open your phone. Notion is still there. That's the DNS tax. You don't skip it.

• Finally Moved Off Notion

  20 Apr, 2026

  How I rebuilt my personal site in a weekend with Claude Code, migrated 50+ posts, and mass-deleted a decade of Notion pages.

• Escaping SaaS Hell

  10 Sept, 2025

  How I escaped Wix subscription hell and built a terminal-themed blog using AI tools with minimal HTML/CSS knowledge.

• From Forensic Analysis to 33x Performance: A Week of Engineering Breakthroughs

  11 Jan, 2025

  A week of engineering wins: uncovering hidden patent value, achieving 33x ML pipeline speedups, and building production trading systems.

• Linking Verizon Call Logs to Google Contacts Using Google Colab and Google Sheets

  Updated: 21 Dec, 2024

  How to match Verizon call logs with Google Contacts using Google Colab for data cleaning and VLOOKUP in Google Sheets.

• How ARC Freed Me from the Constraints of UI Developers

  4 Nov, 2024

  How ARC Browser’s Zap feature let me strip away unwanted UI clutter and finally take control of apps like 1Password.

• Ideal Workflow In Drafts or Text Editor

  29 Oct, 2024

  My ideal workflow for updating the blog from a text editor

• Creating A Template And Automating To Github

  28 Oct, 2024

  Process for creating a template for blog posts on drafts and automating to GitHub repository

• Now This Is Search

  21 Oct, 2024

  Fast-glob is a truly impressive tool that everyone should be using

• The LEI is the key & the key is the LEI

  2 Oct, 2024

  Congratulations! You finally got the data analyst job for the debt capital markets DCM group

• Where the hell did my axe go?

  1 Oct, 2024

  I used to get this question all the time from traders at banks

• Sooooo.....that's what a cluster is!!!

  11 Jul, 2024

  A non-developer's quest to finally understand what a cluster is, using Solr and Perplexity AI.

• Explaining Software Development for the Rest of Us

  24 Jan, 2024

  I am the first to admit that I am not bright when it comes to understanding the jargon and nuances of software development

• Quick History of Apache Beam

  24 Dec, 2023

  In the early 2000s, a revolution in data processing began, one that would dramatically transform how we handle vast amounts of information

• Answers about the impact of the corporate sector purchase program using claude.ai

  14 Aug, 2023

  Using Claude AI to summarize research on the ECB's Corporate Sector Purchase Programme and its effect on bond spreads.

• Leverage Your Network

  13 Jun, 2023

  I've been using LinkedIn since 2004! That's almost two decades! In the world of social media, I'm a veritable dinosaur

• What's the difference between .com, .org, .io, .ai

  22 May, 2023

  Exploring the history and meaning of domain extensions: .com, .org, .io, and .ai

• Hey Siri....what's an epiphany

  14 May, 2023

  Earlier this year, I switched from Google Search to Bing because of potential of ChatGPT

• Getting The Message

  11 May, 2023

  A humorous guide to the Message Trace feature in Microsoft Exchange.