jcstein Josh Stein
developer advocate @celestiaorg 🤳✨ hanging @Developer-DAO (🧱,🚀)
EVIDENCE BASE
50
Repositories
2207
Commits
2623
Files analyzed
42
Technologies
250
Evidence
57
Active months
Based on 50 repository passports · 39/50 current
ENGINEERING PROFILE
Frontend56%
Backend28%
Testing23%
DevOps61%
CORE TECHNOLOGIES
HR: name + projects · Lead: + files/LOC · persistence Core≥4
JavaScript Core
LANGUAGE · 17/50 repos · 566 files · 62449 LOC
Depth 70 · HIGH
Markdown Core
LANGUAGE · 33/50 repos · 233 files · 5361 LOC
Depth 70 · HIGH
React Core
FRAMEWORK · 14/50 repos · 226 files · 18762 LOC
Depth 78 · HIGH
JSON Core
LANGUAGE · 23/50 repos · 224 files · 158874 LOC
Depth 70 · HIGH
TypeScript Core
LANGUAGE · 13/50 repos · 125 files · 10697 LOC
Depth 70 · HIGH
Next.js Core
FRAMEWORK · 5/50 repos · 37 files · 6960 LOC
Depth 62 · HIGH
Swift Recurring
LANGUAGE · 3/50 repos · 27 files · 1869 LOC
Depth 70 · HIGH
ESLint Core
QUALITY · 7/50 repos · 23 files · 60688 LOC
Depth 65 · HIGH
npm Core
BUILD_TOOL · 20/50 repos · 20 files · 200 LOC
Depth 80 · HIGH
YAML Core
LANGUAGE · 13/50 repos · 17 files · 15829 LOC
Depth 70 · HIGH
Shell Core
LANGUAGE · 6/50 repos · 14 files · 417 LOC
Depth 70 · HIGH
Prettier Core
QUALITY · 4/50 repos · 14 files · 43098 LOC
Depth 81 · HIGH
Rust Recurring
LANGUAGE · 3/50 repos · 12 files · 1841 LOC
Depth 70 · HIGH
Redis Recurring
CACHE · 3/50 repos · 11 files · 3428 LOC
Depth 84 · HIGH
Vite Core
BUILD_TOOL · 8/50 repos · 8 files · 86 LOC
Depth 42 · HIGH
TOML Core
LANGUAGE · 6/50 repos · 8 files · 110 LOC
Depth 70 · HIGH
Lodash Emerging
LIBRARY · 1/50 repos · 7 files · 1002 LOC
Depth 74 · HIGH
Yarn Core
BUILD_TOOL · 5/50 repos · 5 files · 50 LOC
Depth 80 · HIGH
Socket.IO Emerging
LIBRARY · 1/50 repos · 5 files · 466 LOC
Depth 74 · HIGH
Go Recurring
LANGUAGE · 3/50 repos · 4 files · 627 LOC
Depth 70 · HIGH
Axios Recurring
LIBRARY · 3/50 repos · 4 files · 2324 LOC
Depth 62 · HIGH
Cargo Recurring
BUILD_TOOL · 3/50 repos · 3 files · 30 LOC
Depth 80 · HIGH
pnpm Recurring
BUILD_TOOL · 3/50 repos · 3 files · 30 LOC
Depth 80 · HIGH
Vitest Emerging
TESTING · 1/50 repos · 3 files · 206 LOC
Depth 45 · HIGH
Go Modules Recurring
BUILD_TOOL · 3/50 repos · 3 files · 30 LOC
Depth 80 · HIGH
Python Recurring
LANGUAGE · 2/50 repos · 3 files · 481 LOC
Depth 70 · HIGH
Express Recurring
FRAMEWORK · 2/50 repos · 3 files · 853 LOC
Depth 58 · HIGH
RabbitMQ Recurring
MESSAGE_BROKER · 3/50 repos · 3 files · 5427 LOC
Depth 45 · HIGH
React Router Emerging
LIBRARY · 1/50 repos · 3 files · 476 LOC
Depth 66 · HIGH
GraphQL Emerging
LIBRARY · 1/50 repos · 2 files · 2 LOC
Depth 43 · HIGH
Zod Emerging
LIBRARY · 1/50 repos · 2 files · 209 LOC
Depth 62 · HIGH
XML Recurring
LANGUAGE · 2/50 repos · 2 files · 7 LOC
Depth 70 · HIGH
Serde Recurring
LIBRARY · 2/50 repos · 1 files · 235 LOC
Tokio Emerging
LIBRARY · 1/50 repos · 1 files · 165 LOC
Depth 58 · HIGH
PostgreSQL Emerging
DATABASE · 1/50 repos · 1 files · 40 LOC
Depth 61 · HIGH
Reqwest Emerging
LIBRARY · 1/50 repos · 1 files · 235 LOC
Depth 58 · HIGH
Apache Kafka Emerging
MESSAGE_BROKER · 1/50 repos · 1 files · 2532 LOC
Depth 61 · HIGH
Tailwind CSS Recurring
LIBRARY · 3/50 repos · 0 files · 0 LOC
esbuild Emerging
BUILD_TOOL · 1/50 repos · 0 files · 0 LOC
Testing Library Emerging
TESTING · 1/50 repos · 0 files · 0 LOC
Cypress Emerging
TESTING · 1/50 repos · 0 files · 0 LOC
Webpack Emerging
BUILD_TOOL · 1/50 repos · 0 files · 0 LOC
ENGINEERING HABITS
containerizationobserved
automated_testsobserved
documentationobserved
lintingobserved
formattingobserved
continuous_integrationobserved
Not observed ≠ does not know
PROJECT PORTFOLIO
node-app React
joshcs-lol npm
celestia-cool npm
portfolio Redis
logs UNKNOWN
issnlnewtonight npm
dummy_rollup Cargo
lens Markdown
ACTIVITY & OWNERSHIP
Active months 57
Commits 2207
Owner authored 98%
PRIMARY PROFILE — HR VIEW
FrontendJavaScript · Markdown · ReactHigh ownership
In 30 sec: direction — frontend, core — JavaScript · Markdown · React, 50 repos 2021 — 2026. No LOC or files — stability only.
DEVELOPER SIGNATURE
JavaScriptMarkdownReactJSONTypeScriptHigh ownership
TECHNOLOGY EVOLUTION
2023
JavaScript · React
2024
TypeScript · Next.js
2025
TypeScript · PostgreSQL
2026
TS + Next
COMMUNITY / IMPACT not a skill rating
Stars 53
Forks 10
Watchers 32
EVERYTHING ABOVE IS TRACEABLE
50 repositories · 2207 commits · 2623 files · 250 evidence
Absence of a technology in the passport does not imply lack of experience