jnsahaj Sahaj Jain
Software engineer @vercel
EVIDENCE BASE
44
Repositories
2564
Commits
1261
Files analyzed
40
Technologies
261
Evidence
39
Active months
Based on 44 repository passports · 34/44 current
ENGINEERING PROFILE
Frontend64%
Backend29%
Testing44%
DevOps70%
CORE TECHNOLOGIES
HR: name + projects · Lead: + files/LOC · persistence Core≥4
TypeScript Core
LANGUAGE · 14/44 repos · 674 files · 64787 LOC
Depth 70 · HIGH
React Core
FRAMEWORK · 12/44 repos · 279 files · 30604 LOC
Depth 85 · HIGH
JavaScript Core
LANGUAGE · 18/44 repos · 92 files · 4383 LOC
Depth 70 · HIGH
Next.js Core
FRAMEWORK · 5/44 repos · 89 files · 10371 LOC
Depth 85 · HIGH
JSON Core
LANGUAGE · 22/44 repos · 84 files · 118557 LOC
Depth 70 · HIGH
Rust Core
LANGUAGE · 5/44 repos · 84 files · 23874 LOC
Depth 70 · HIGH
Markdown Core
LANGUAGE · 33/44 repos · 67 files · 4118 LOC
Depth 70 · HIGH
ESLint Core
QUALITY · 11/44 repos · 25 files · 83212 LOC
Depth 69 · HIGH
Vitest Recurring
TESTING · 2/44 repos · 21 files · 1740 LOC
Depth 53 · HIGH
YAML Core
LANGUAGE · 14/44 repos · 20 files · 33715 LOC
Depth 70 · HIGH
npm Core
BUILD_TOOL · 20/44 repos · 20 files · 200 LOC
Depth 80 · HIGH
Zod Recurring
LIBRARY · 3/44 repos · 15 files · 3457 LOC
Depth 85 · HIGH
Shell Core
LANGUAGE · 4/44 repos · 12 files · 1319 LOC
Depth 70 · HIGH
Prettier Core
QUALITY · 5/44 repos · 11 files · 61862 LOC
Depth 73 · HIGH
React Router Recurring
LIBRARY · 2/44 repos · 9 files · 562 LOC
Depth 74 · HIGH
Swift Emerging
LANGUAGE · 1/44 repos · 9 files · 1159 LOC
Depth 70 · HIGH
Redis Recurring
CACHE · 3/44 repos · 8 files · 38747 LOC
Depth 65 · HIGH
Vite Core
BUILD_TOOL · 7/44 repos · 8 files · 805 LOC
Depth 58 · HIGH
PostgreSQL Recurring
DATABASE · 3/44 repos · 7 files · 18158 LOC
Depth 89 · HIGH
pnpm Core
BUILD_TOOL · 7/44 repos · 7 files · 70 LOC
Depth 80 · HIGH
Express Recurring
FRAMEWORK · 3/44 repos · 7 files · 433 LOC
Depth 53 · HIGH
Tailwind CSS Core
LIBRARY · 7/44 repos · 6 files · 912 LOC
Depth 62 · HIGH
SQL Recurring
LANGUAGE · 2/44 repos · 6 files · 157 LOC
Depth 70 · HIGH
Cargo Core
BUILD_TOOL · 5/44 repos · 5 files · 50 LOC
Depth 80 · HIGH
TOML Core
LANGUAGE · 5/44 repos · 5 files · 127 LOC
Depth 70 · HIGH
Dockerfile Recurring
LANGUAGE · 3/44 repos · 4 files · 23 LOC
Depth 70 · HIGH
Tokio Recurring
LIBRARY · 2/44 repos · 3 files · 417 LOC
Depth 58 · HIGH
Serde Emerging
LIBRARY · 1/44 repos · 1 files · 136 LOC
Depth 65 · HIGH
C Emerging
LANGUAGE · 1/44 repos · 1 files · 107 LOC
Depth 70 · HIGH
Svelte Emerging
FRAMEWORK · 1/44 repos · 1 files · 114 LOC
Depth 58 · HIGH
Ruby Emerging
LANGUAGE · 1/44 repos · 1 files · 28 LOC
Depth 70 · HIGH
Vue Emerging
FRAMEWORK · 1/44 repos · 1 files · 114 LOC
Depth 58 · HIGH
GraphQL Emerging
LIBRARY · 1/44 repos · 1 files · 378 LOC
Depth 58 · HIGH
Webpack Core
BUILD_TOOL · 5/44 repos · 1 files · 52 LOC
Depth 54 · HIGH
Bytes Emerging
LIBRARY · 1/44 repos · 0 files · 0 LOC
Clap Recurring
LIBRARY · 3/44 repos · 0 files · 0 LOC
Jest Emerging
TESTING · 1/44 repos · 0 files · 0 LOC
Reqwest Emerging
LIBRARY · 1/44 repos · 0 files · 0 LOC
esbuild Recurring
BUILD_TOOL · 2/44 repos · 0 files · 0 LOC
Testing Library Emerging
TESTING · 1/44 repos · 0 files · 0 LOC
ENGINEERING HABITS
containerizationobserved
automated_testsobserved
documentationobserved
lintingobserved
formattingobserved
continuous_integrationobserved
Not observed ≠ does not know
PROJECT PORTFOLIO
tweakcn Next.js
lumen Serde
monkey-rs Cargo
altr-web Cargo
gazectl npm
photo-tagging-react ESLint
battleship ESLint
Restaurant-page npm
ACTIVITY & OWNERSHIP
Active months 39
Commits 2564
Owner authored 5%
PRIMARY PROFILE — HR VIEW
FrontendTypeScript · React · JavaScriptTeam
In 30 sec: direction — frontend, core — TypeScript · React · JavaScript, 44 repos 2022 — 2026. No LOC or files — stability only.
DEVELOPER SIGNATURE
TypeScriptReactJavaScriptNext.jsJSONTeam
TECHNOLOGY EVOLUTION
2023
JavaScript · React
2024
TypeScript · Next.js
2025
TypeScript · PostgreSQL
2026
TS + Next
COMMUNITY / IMPACT not a skill rating
Stars 13655
Forks 828
Watchers 47
EVERYTHING ABOVE IS TRACEABLE
44 repositories · 2564 commits · 1261 files · 261 evidence
Absence of a technology in the passport does not imply lack of experience