Software

Diagnosed a Go runtime panic in Kopano's kwmserverd by tracing a nil pointer dereference to a missing --iss flag and patching the Docker startup command

Migrated GatsbyJS node configuration to TypeScript using ts-node, exposing implicit assumptions about GraphQL result shapes and making page-generation logic verifiable at compile time

Diagnosed NixOS disk space usage with ncdu to identify the largest space consumers across system and user directories

Diagnosed a 30-second Docker startup delay on WSL2 by tracing syscalls with strace and identifying a stale DOCKER_HOST pointing to an unreachable TCP endpoint

Replaced a feature-branch workflow for article drafts with a filesystem-based approach using a dedicated drafts folder in Gatsby.js

Migrated NixOS desktop from X11 to Sway and Wayland, restoring dual monitor functionality after a BIOS update broke the second display

Restored dual-boot functionality after a BIOS update overwrote UEFI boot entries, recovering access to a NixOS / Windows 10 system

Integrated Jupyter Notebook execution into a Gatsby static site using gatsby-transformer-ipynb to render live code output at build time

Debugged a server-side rendering crash in @nteract/notebook-render caused by remark-rehype producing unhandled "element" AST nodes

Resolved heterogeneous content-type problem by embedding Jupyter notebooks as markdown custom blocks instead of abstracting into virtual post types

Configured a reproducible Flutter and Android development environment on NixOS using shell.nix with custom package overlays

Repurposed an Arduino Uno as a multi-channel logic analyzer to capture and inspect digital signals on ports 8 through 11

Established BLE GATT server on ESP32 using ESP-IDF, upgrading the SDK to resolve core panic memory allocation issues

Set up a reproducible ESP32 ESP-IDF development environment on NixOS by patching Nix packages and debugging the VSCode Espressif extension from source

Resolved ESP32 RMT looping artifacts by disabling software transmit interrupts before enabling hardware loop mode, achieving precise square wave generation

Packaged a reproducible Rust cross-compilation toolchain for ESP32 microcontrollers using custom Nix derivations

Repurposed an ESP32 as a SUMP-compatible logic analyzer by integrating esp32_sigrok with sigrok and Pulseview for capturing stepper motor timing signals

Built reproducible Nix derivations for the ESP-IDF SDK and xtensa-esp32 toolchain on NixOS

Implemented ESP32 Bluetooth Low Energy heart rate service in Rust using the NimBLE stack by translating and adapting C reference implementations

Replaced L298N H-bridge with TMC2208 stepper driver to reduce GPIO overhead, eliminate overheating, and simplify microstepping control

Selected client engagements covering full-stack web, mobile, and machine-learning work

Developed native iOS applications using Objective-C and Swift for platform-optimized mobile experiences

Built host-specific Borg backup automation with per-machine pattern files, session logging, and centralized archive management

Firmware and bring-up on ESP32 and Arduino targets, in C, C++, and Rust

Engineered a reproducible local coding-agent environment using Nix and llama.cpp, enabling Pi to run against a shared Qwen model on an RTX 3090

Built a digital fabrication pipeline converting mountain terrain data into 3D-printed candle molds, automating geometry tuning too complex for manual adjustment

Migrated a CAD toolchain from Jupyter to marimo by forking and refactoring cad-viewer-widget, creating marimo-cadquery, and building purpose-built map and mesh viewer widgets

Built a reproducible terrain-to-geometry pipeline using Jupyter notebooks, TouchTerrain, and CADQuery to iterate on 3D mountain models for fabrication

Implemented dict-hash-based memoization and disk caching for mesh generation to eliminate redundant geometry computation during iterative design

Built a CAD/CAM workflow to transform real terrain data into iteration-ready geometry for wax sculptures

Extracted TypeScript blocks from Markdown and synthesized them into virtual TSX modules for live, type-checked Remotion previews inside an Obsidian plugin

Evolved a static site into a full publishing and editorial system through seven years of iterative tooling changes

Migrated a portfolio from unmaintained Gatsby to Astro after evaluating Next.js and Contentlayer trade-offs

Migrated portfolio from Zola to Gatsby and React to gain component-driven layouts, richer plugin ecosystem, and more flexible theming

Designed a Gatsby content architecture supporting articles, series, clusters, and tags with custom page-generation logic

Built a git-narrative tool that analyzes commit history, file churn, and diffs to produce structured article scaffolds with development arcs and problem summaries

Recovered a broken Gatsby publishing stack from years of toolchain drift by pinning dependencies to GitHub commits and vendoring unstable components

Built a custom Gatsby remark plugin to embed Jupyter notebooks inline within markdown articles, preserving experiments and code as narrative evidence

Built a content-addressed blob storage system to deduplicate project media across repos while preserving git-driven directory structure and rsync-based recovery

Reverse-engineered a legacy Staübli RX90 robot controller and replaced its failing floppy boot disk with a ZuluSCSI SD card emulator after six disassembly iterations to derive a working boot image

Reverse-engineered a legacy Staübli RX90 robot controller and replaced its failing floppy boot disk with a ZuluSCSI SD card emulator after six disassembly iterations to derive a working boot image

Built an 800-line frontend framework using signals and Web Components to implement functional reactive programming for state-driven UI updates

Built web-based robot control interface with visual playback preview using JavaScript motion approximation

Replaced fragile WSL serial passthrough with an internally mounted Raspberry Pi, solving persistent driver and USB connectivity issues for embedded robot control

Built a terminal-based control workflow using Python over RS232 to program a Staubli robot after the teach pendant failed

Delivered full-stack web applications spanning frontend design with Adobe XD, React/TypeScript middle-end, and backend services in Python, Go, and Rust