dzearing David Zearing
I work on Microsoft web apps, component libraries, and tooling.
EVIDENCE BASE
102
Repositories
9739
Commits
5730
Files analyzed
48
Technologies
407
Evidence
152
Active months
Based on 102 repository passports · 53/102 current
ENGINEERING PROFILE
Frontend88%
Backend11%
Testing49%
DevOps88%
CORE TECHNOLOGIES
HR: name + projects · Lead: + files/LOC · persistence Core≥4
TypeScript Core
LANGUAGE · 30/102 repos · 1809 files · 239015 LOC
Depth 70 · HIGH
JavaScript Core
LANGUAGE · 38/102 repos · 923 files · 119349 LOC
Depth 70 · HIGH
Markdown Core
LANGUAGE · 42/102 repos · 729 files · 113725 LOC
Depth 70 · HIGH
React Core
FRAMEWORK · 26/102 repos · 655 files · 123342 LOC
Depth 66 · HIGH
JSON Core
LANGUAGE · 48/102 repos · 402 files · 34852 LOC
Depth 70 · HIGH
ESLint Core
QUALITY · 22/102 repos · 50 files · 90085 LOC
Depth 61 · HIGH
React Router Recurring
LIBRARY · 2/102 repos · 48 files · 13754 LOC
Depth 78 · HIGH
npm Core
BUILD_TOOL · 46/102 repos · 46 files · 460 LOC
Depth 80 · HIGH
Go Emerging
LANGUAGE · 1/102 repos · 44 files · 6481 LOC
Depth 70 · HIGH
Vitest Emerging
TESTING · 1/102 repos · 43 files · 6387 LOC
Depth 81 · HIGH
Vite Core
BUILD_TOOL · 5/102 repos · 34 files · 1625 LOC
Depth 40 · HIGH
Playwright Emerging
TESTING · 1/102 repos · 22 files · 3813 LOC
Depth 78 · HIGH
Yarn Core
BUILD_TOOL · 20/102 repos · 20 files · 200 LOC
Depth 80 · HIGH
Express Core
FRAMEWORK · 4/102 repos · 20 files · 10078 LOC
Depth 78 · HIGH
Webpack Core
BUILD_TOOL · 11/102 repos · 20 files · 1368 LOC
Depth 66 · HIGH
Prettier Core
QUALITY · 8/102 repos · 17 files · 65235 LOC
Depth 61 · HIGH
Rust Emerging
LANGUAGE · 1/102 repos · 14 files · 2617 LOC
Depth 70 · HIGH
YAML Core
LANGUAGE · 9/102 repos · 13 files · 15856 LOC
Depth 70 · HIGH
Shell Core
LANGUAGE · 4/102 repos · 13 files · 1091 LOC
Depth 70 · HIGH
Next.js Core
FRAMEWORK · 5/102 repos · 11 files · 881 LOC
Depth 55 · HIGH
Lodash Core
LIBRARY · 5/102 repos · 11 files · 1277 LOC
Depth 58 · HIGH
XML Recurring
LANGUAGE · 2/102 repos · 10 files · 198 LOC
Depth 70 · HIGH
Zod Emerging
LIBRARY · 1/102 repos · 8 files · 1447 LOC
Depth 78 · HIGH
Redux Emerging
LIBRARY · 1/102 repos · 5 files · 226 LOC
Depth 74 · HIGH
Vue Emerging
FRAMEWORK · 1/102 repos · 5 files · 1638 LOC
Depth 74 · HIGH
Svelte Emerging
FRAMEWORK · 1/102 repos · 4 files · 2071 LOC
Depth 70 · HIGH
Serde Emerging
LIBRARY · 1/102 repos · 3 files · 418 LOC
Depth 66 · HIGH
Python Emerging
LANGUAGE · 1/102 repos · 3 files · 407 LOC
Depth 70 · HIGH
Redis Recurring
CACHE · 2/102 repos · 3 files · 1732 LOC
Depth 69 · HIGH
Socket.IO Emerging
LIBRARY · 1/102 repos · 2 files · 89 LOC
Depth 62 · HIGH
Jest Recurring
TESTING · 3/102 repos · 2 files · 89 LOC
PowerShell Emerging
LANGUAGE · 1/102 repos · 2 files · 135 LOC
Depth 70 · HIGH
debug Recurring
LIBRARY · 2/102 repos · 2 files · 255 LOC
Depth 58 · HIGH
Cargo Emerging
BUILD_TOOL · 1/102 repos · 1 files · 10 LOC
Depth 80 · HIGH
pnpm Emerging
BUILD_TOOL · 1/102 repos · 1 files · 10 LOC
Depth 80 · HIGH
pip Emerging
BUILD_TOOL · 1/102 repos · 1 files · 10 LOC
Depth 80 · HIGH
Go Modules Emerging
BUILD_TOOL · 1/102 repos · 1 files · 10 LOC
Depth 80 · HIGH
GraphQL Emerging
LIBRARY · 1/102 repos · 1 files · 189 LOC
Depth 58 · HIGH
Tailwind CSS Emerging
LIBRARY · 1/102 repos · 1 files · 19 LOC
Depth 42 · HIGH
Dockerfile Emerging
LANGUAGE · 1/102 repos · 1 files · 51 LOC
Depth 70 · HIGH
Uvicorn Emerging
LIBRARY · 1/102 repos · 1 files · 49 LOC
Depth 57 · HIGH
FastAPI Emerging
FRAMEWORK · 1/102 repos · 1 files · 49 LOC
Depth 57 · HIGH
TOML Emerging
LANGUAGE · 1/102 repos · 1 files · 33 LOC
Depth 70 · HIGH
Tokio Emerging
LIBRARY · 1/102 repos · 0 files · 0 LOC
Reqwest Emerging
LIBRARY · 1/102 repos · 0 files · 0 LOC
Mocha Recurring
TESTING · 2/102 repos · 0 files · 0 LOC
esbuild Emerging
BUILD_TOOL · 1/102 repos · 0 files · 0 LOC
Testing Library Recurring
TESTING · 2/102 repos · 0 files · 0 LOC
ENGINEERING HABITS
containerizationobserved
automated_testsobserved
documentationobserved
lintingobserved
formattingobserved
continuous_integrationobserved
Not observed ≠ does not know
PROJECT PORTFOLIO
react-calendar npm
dashling npm
dashling-testmedia Markdown
claude-tips npm
polymer-experiment Markdown
onedrive-mock npm
ai-experiments ESLint
ACTIVITY & OWNERSHIP
Active months 152
Commits 9739
Owner authored 100%
PRIMARY PROFILE — HR VIEW
FrontendTypeScript · JavaScript · MarkdownHigh ownership
In 30 sec: direction — frontend, core — TypeScript · JavaScript · Markdown, 102 repos 2009 — 2026. No LOC or files — stability only.
DEVELOPER SIGNATURE
TypeScriptJavaScriptMarkdownReactJSONHigh ownership
TECHNOLOGY EVOLUTION
2023
JavaScript · React
2024
TypeScript · Next.js
2025
TypeScript · PostgreSQL
2026
TS + Next
COMMUNITY / IMPACT not a skill rating
Stars 21
Forks 16
Watchers 57
EVERYTHING ABOVE IS TRACEABLE
102 repositories · 9739 commits · 5730 files · 407 evidence
Absence of a technology in the passport does not imply lack of experience