HerringtonDarkholme Herrington Darkholme
🌐 Frontend Vimmer. 💻 Previously worked at @Bytedance. ⚛️ @reactjs and @flow at work :) 闇と森の妖精
github.com/HerringtonDarkholme
EVIDENCE BASE
50
Repositories
21211
Commits
10221
Files analyzed
53
Technologies
436
Evidence
166
Active months
Based on 50 repository passports · 49/50 current
ENGINEERING PROFILE
Frontend83%
Backend36%
Testing55%
DevOps77%
CORE TECHNOLOGIES
HR: name + projects · Lead: + files/LOC · persistence Core≥4
Rust Core
LANGUAGE · 5/50 repos · 1384 files · 252524 LOC
Depth 70 · HIGH
JSON Core
LANGUAGE · 37/50 repos · 1195 files · 31193 LOC
Depth 70 · HIGH
TypeScript Core
LANGUAGE · 33/50 repos · 1016 files · 178179 LOC
Depth 70 · HIGH
Markdown Core
LANGUAGE · 43/50 repos · 448 files · 97374 LOC
Depth 70 · HIGH
JavaScript Core
LANGUAGE · 26/50 repos · 261 files · 190982 LOC
Depth 70 · HIGH
TOML Core
LANGUAGE · 9/50 repos · 170 files · 1718 LOC
Depth 70 · HIGH
YAML Core
LANGUAGE · 20/50 repos · 101 files · 28238 LOC
Depth 70 · HIGH
React Core
FRAMEWORK · 8/50 repos · 55 files · 14124 LOC
Depth 78 · HIGH
Vue Core
FRAMEWORK · 12/50 repos · 53 files · 4350 LOC
Depth 78 · HIGH
Python Core
LANGUAGE · 5/50 repos · 49 files · 9546 LOC
Depth 70 · HIGH
XML Recurring
LANGUAGE · 3/50 repos · 49 files · 7360 LOC
Depth 70 · HIGH
npm Core
BUILD_TOOL · 35/50 repos · 35 files · 350 LOC
Depth 80 · HIGH
C++ Emerging
LANGUAGE · 1/50 repos · 29 files · 3196 LOC
Depth 70 · HIGH
ESLint Core
QUALITY · 14/50 repos · 27 files · 34500 LOC
Depth 61 · HIGH
Serde Recurring
LIBRARY · 3/50 repos · 26 files · 20635 LOC
Depth 74 · HIGH
C Emerging
LANGUAGE · 1/50 repos · 22 files · 2104 LOC
Depth 70 · HIGH
Vitest Core
TESTING · 7/50 repos · 21 files · 4437 LOC
Depth 53 · HIGH
debug Core
LIBRARY · 4/50 repos · 20 files · 12613 LOC
Depth 85 · HIGH
Angular Emerging
FRAMEWORK · 1/50 repos · 17 files · 1068 LOC
Depth 74 · HIGH
pnpm Core
BUILD_TOOL · 14/50 repos · 14 files · 140 LOC
Depth 80 · HIGH
Spring Framework Core
FRAMEWORK · 6/50 repos · 14 files · 1009 LOC
Depth 70 · HIGH
Scala Emerging
LANGUAGE · 1/50 repos · 11 files · 614 LOC
Depth 70 · HIGH
Vite Core
BUILD_TOOL · 10/50 repos · 10 files · 219 LOC
Depth 42 · HIGH
React Router Emerging
LIBRARY · 1/50 repos · 10 files · 2338 LOC
Depth 74 · HIGH
Next.js Emerging
FRAMEWORK · 1/50 repos · 10 files · 8097 LOC
Depth 81 · HIGH
Java Recurring
LANGUAGE · 2/50 repos · 10 files · 449 LOC
Depth 70 · HIGH
Zod Recurring
LIBRARY · 2/50 repos · 8 files · 829 LOC
Depth 78 · HIGH
Webpack Core
BUILD_TOOL · 5/50 repos · 8 files · 544 LOC
Depth 46 · HIGH
Go Emerging
LANGUAGE · 1/50 repos · 7 files · 6778 LOC
Depth 70 · HIGH
Prettier Core
QUALITY · 5/50 repos · 7 files · 20742 LOC
Depth 61 · HIGH
Cargo Core
BUILD_TOOL · 5/50 repos · 5 files · 50 LOC
Depth 80 · HIGH
Shell Recurring
LANGUAGE · 2/50 repos · 5 files · 255 LOC
Depth 70 · HIGH
Swift Emerging
LANGUAGE · 1/50 repos · 3 files · 82 LOC
Depth 70 · HIGH
PostgreSQL Recurring
DATABASE · 2/50 repos · 2 files · 1819 LOC
Depth 57 · HIGH
NumPy Emerging
LIBRARY · 1/50 repos · 2 files · 104 LOC
Depth 58 · HIGH
Poetry Recurring
BUILD_TOOL · 2/50 repos · 2 files · 20 LOC
Depth 80 · HIGH
RabbitMQ Emerging
MESSAGE_BROKER · 1/50 repos · 2 files · 868 LOC
Depth 69 · HIGH
Maven Emerging
BUILD_TOOL · 1/50 repos · 1 files · 10 LOC
Depth 80 · HIGH
uv Emerging
BUILD_TOOL · 1/50 repos · 1 files · 10 LOC
Depth 80 · HIGH
GraphQL Emerging
LIBRARY · 1/50 repos · 1 files · 269 LOC
Depth 58 · HIGH
MongoDB Emerging
DATABASE · 1/50 repos · 1 files · 3643 LOC
Depth 61 · HIGH
JUnit Emerging
TESTING · 1/50 repos · 1 files · 10 LOC
Depth 42 · HIGH
PHP Emerging
LANGUAGE · 1/50 repos · 1 files · 216 LOC
Depth 70 · HIGH
Go Modules Emerging
BUILD_TOOL · 1/50 repos · 1 files · 10 LOC
Depth 80 · HIGH
pytest Emerging
TESTING · 1/50 repos · 1 files · 143 LOC
Depth 37 · HIGH
Tailwind CSS Emerging
LIBRARY · 1/50 repos · 1 files · 37 LOC
Depth 49 · HIGH
Dockerfile Emerging
LANGUAGE · 1/50 repos · 1 files · 6 LOC
Depth 70 · HIGH
esbuild Emerging
BUILD_TOOL · 1/50 repos · 0 files · 0 LOC
Ruff Emerging
QUALITY · 1/50 repos · 0 files · 0 LOC
Clap Recurring
LIBRARY · 2/50 repos · 0 files · 0 LOC
Jest Emerging
TESTING · 1/50 repos · 0 files · 0 LOC
Mocha Core
TESTING · 7/50 repos · 0 files · 0 LOC
Testing Library Emerging
TESTING · 1/50 repos · 0 files · 0 LOC
ENGINEERING HABITS
containerizationobserved
automated_testsobserved
documentationobserved
lintingobserved
formattingobserved
continuous_integrationobserved
Not observed ≠ does not know
PROJECT PORTFOLIO
typescript-repl npm
av-ts Vue
yats.vim ESLint
kilimanjaro Vue
vue-ts-example npm
vim-worksheet Markdown
leetcode Cargo
ACTIVITY & OWNERSHIP
Active months 166
Commits 21211
Owner authored 96%
PRIMARY PROFILE — HR VIEW
FrontendRust · JSON · TypeScriptHigh ownership
In 30 sec: direction — frontend, core — Rust · JSON · TypeScript, 50 repos 2012 — 2026. No LOC or files — stability only.
DEVELOPER SIGNATURE
RustJSONTypeScriptMarkdownJavaScriptHigh ownership
TECHNOLOGY EVOLUTION
2023
JavaScript · React
2024
TypeScript · Next.js
2025
TypeScript · PostgreSQL
2026
TS + Next
COMMUNITY / IMPACT not a skill rating
Stars 2814
Forks 183
Watchers 75
EVERYTHING ABOVE IS TRACEABLE
50 repositories · 21211 commits · 10221 files · 436 evidence
Absence of a technology in the passport does not imply lack of experience