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Achievement: Pair Extraordinairex2Achievement: QuickdrawAchievement: YOLOAchievement: Arctic Code Vault ContributorAchievement: Pull Sharkx2

Achievements

Achievement: Pair Extraordinairex2Achievement: QuickdrawAchievement: YOLOAchievement: Arctic Code Vault ContributorAchievement: Pull Sharkx2

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jlargs64/README.md

Justin Largo

Software engineer at IBM · agentic AI for IBM Z and z/OS · Raleigh, NC

Python Go Java TypeScript

z/OS OpenShift Kubernetes Docker Ansible

llama.cpp LangChain watsonx MCP

Currently: z Platform Evaluation Team (zPET) — installing IBM's z/OS AI products, running them hard, and fixing what breaks before customers see it.

Home lab: two-node inference cluster — ~9 quantized GGUF models across an AMD GPU and NPU, llama.cpp behind litellm, all Ansible.

Writing & talks: justinlargo.com · zPET blog — agentic engineering, spec-driven development, self-hosting models.

Patents: named inventor on multiple IBM patents.

Things I've built

Repo What it is
motions-of-the-dead learn Vim by fighting off a horde of zombies — every input is a normal-mode motion; TypeScript, Canvas 2D, zero runtime dependencies
macarchy an Omarchy-style desktop for macOS — one command themes Ghostty, Zellij, Neovim and SketchyBar together, yabai tiling over native Spaces, SIP left on
attention-firewall pull-based, local-first workload tracker — a hard-capped active column so "when can you take this?" gets a date instead of a yes
mvs-install-playbooks MVS 3.8 on a Raspberry Pi, via Ansible
dotfiles my config, managed with chezmoi

Website · LinkedIn · X

mainframes, agents, and more Ansible than strictly necessary

Pinned Loading

  1. mvs-install-playbooks mvs-install-playbooks Public

    Install an MVS 3.8 emulator on a Raspberry Pi

    Jinja 1

  2. motions-of-the-dead motions-of-the-dead Public

    Learn vim by fighting off a horde of zombies.

    TypeScript

  3. macarchy macarchy Public

    One person's opinionated macOS desktop config: Omarchy-style theme switching for Ghostty, Zellij, Neovim, SketchyBar and JankyBorders, yabai tiling over native Spaces, hotkey discovery, and an on-d…

    Shell 1

  4. attention-firewall attention-firewall Public

    Measure and protect one knowledge worker's bandwidth. Pull-based, two-column, local-first.

    Python