jonahsnider Jonah Snider
software engineer @sanity-io, coach @team581
EVIDENCE BASE
50
Repositories
24557
Commits
2112
Files analyzed
37
Technologies
335
Evidence
102
Active months
Based on 50 repository passports · 35/50 current
ENGINEERING PROFILE
Frontend71%
Backend28%
Testing62%
DevOps82%
CORE TECHNOLOGIES
HR: name + projects · Lead: + files/LOC · persistence Core≥4
TypeScript Core
LANGUAGE · 23/50 repos · 1002 files · 80060 LOC
Depth 70 · HIGH
React Core
FRAMEWORK · 8/50 repos · 236 files · 14854 LOC
Depth 78 · HIGH
JSON Core
LANGUAGE · 33/50 repos · 228 files · 24777 LOC
Depth 70 · HIGH
YAML Core
LANGUAGE · 33/50 repos · 144 files · 94245 LOC
Depth 70 · HIGH
Vitest Core
TESTING · 5/50 repos · 120 files · 2232 LOC
Depth 78 · HIGH
Markdown Core
LANGUAGE · 34/50 repos · 103 files · 7831 LOC
Depth 70 · HIGH
Next.js Recurring
FRAMEWORK · 3/50 repos · 61 files · 3510 LOC
Depth 37 · HIGH
Zod Core
LIBRARY · 8/50 repos · 59 files · 2770 LOC
Depth 74 · HIGH
TOML Core
LANGUAGE · 19/50 repos · 40 files · 802 LOC
Depth 70 · HIGH
Prettier Core
QUALITY · 15/50 repos · 35 files · 63921 LOC
Depth 80 · HIGH
JavaScript Core
LANGUAGE · 10/50 repos · 32 files · 1430 LOC
Depth 70 · HIGH
ESLint Core
QUALITY · 18/50 repos · 32 files · 53350 LOC
Depth 65 · HIGH
npm Core
BUILD_TOOL · 25/50 repos · 25 files · 250 LOC
Depth 80 · HIGH
pnpm Core
BUILD_TOOL · 23/50 repos · 23 files · 230 LOC
Depth 80 · HIGH
Ruby Recurring
LANGUAGE · 2/50 repos · 22 files · 804 LOC
Depth 70 · HIGH
Java Emerging
LANGUAGE · 1/50 repos · 17 files · 1751 LOC
Depth 70 · HIGH
Redis Core
CACHE · 9/50 repos · 13 files · 50538 LOC
Depth 61 · HIGH
Dockerfile Recurring
LANGUAGE · 2/50 repos · 11 files · 113 LOC
Depth 70 · HIGH
SQL Emerging
LANGUAGE · 1/50 repos · 6 files · 117 LOC
Depth 70 · HIGH
Gradle Recurring
LANGUAGE · 2/50 repos · 5 files · 307 LOC
Depth 70 · HIGH
PostgreSQL Recurring
DATABASE · 2/50 repos · 3 files · 13194 LOC
Depth 65 · HIGH
debug Recurring
LIBRARY · 3/50 repos · 3 files · 15235 LOC
Depth 54 · HIGH
Vite Core
BUILD_TOOL · 6/50 repos · 3 files · 206 LOC
MongoDB Recurring
DATABASE · 3/50 repos · 3 files · 19568 LOC
Depth 61 · HIGH
Shell Emerging
LANGUAGE · 1/50 repos · 2 files · 4 LOC
Depth 70 · HIGH
Rust Emerging
LANGUAGE · 1/50 repos · 2 files · 75 LOC
Depth 70 · HIGH
XML Emerging
LANGUAGE · 1/50 repos · 2 files · 9 LOC
Depth 70 · HIGH
Cargo Emerging
BUILD_TOOL · 1/50 repos · 1 files · 10 LOC
Depth 80 · HIGH
Go Emerging
LANGUAGE · 1/50 repos · 1 files · 88 LOC
Depth 70 · HIGH
Yarn Emerging
BUILD_TOOL · 1/50 repos · 1 files · 10 LOC
Depth 80 · HIGH
Poetry Emerging
BUILD_TOOL · 1/50 repos · 1 files · 10 LOC
Depth 80 · HIGH
Go Modules 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
Tailwind CSS Core
LIBRARY · 7/50 repos · 1 files · 9 LOC
Depth 38 · HIGH
Bundler Emerging
BUILD_TOOL · 1/50 repos · 1 files · 10 LOC
Depth 80 · HIGH
RabbitMQ Emerging
MESSAGE_BROKER · 1/50 repos · 1 files · 10834 LOC
Depth 61 · HIGH
Apache Kafka Emerging
MESSAGE_BROKER · 1/50 repos · 1 files · 10834 LOC
Depth 61 · HIGH
ENGINEERING HABITS
containerizationobserved
automated_testsobserved
documentationobserved
lintingobserved
formattingobserved
continuous_integrationobserved
Not observed ≠ does not know
PROJECT PORTFOLIO
convert Vitest
doglog Prettier
dotfiles Prettier
renovate-config npm
frc-colors.com React
avatars.frc.sh npm
logos.frc.sh npm
ACTIVITY & OWNERSHIP
Active months 102
Commits 24557
Owner authored 23%
PRIMARY PROFILE — HR VIEW
FrontendTypeScript · React · JSONTeam
In 30 sec: direction — frontend, core — TypeScript · React · JSON, 50 repos 2017 — 2026. No LOC or files — stability only.
DEVELOPER SIGNATURE
TypeScriptReactJSONYAMLVitestTeam
TECHNOLOGY EVOLUTION
2023
JavaScript · React
2024
TypeScript · Next.js
2025
TypeScript · PostgreSQL
2026
TS + Next
COMMUNITY / IMPACT not a skill rating
Stars 302
Forks 39
Watchers 25
EVERYTHING ABOVE IS TRACEABLE
50 repositories · 24557 commits · 2112 files · 335 evidence
Absence of a technology in the passport does not imply lack of experience