nandorojo Fernando Rojo
Head of v0 @ Vercel. Y Combinator W'19.
EVIDENCE BASE
50
Repositories
5132
Commits
5140
Files analyzed
30
Technologies
505
Evidence
101
Active months
Based on 50 repository passports · 48/50 current
ENGINEERING PROFILE
Frontend95%
Backend29%
Testing85%
DevOps93%
CORE TECHNOLOGIES
HR: name + projects · Lead: + files/LOC · persistence Core≥4
TypeScript Core
LANGUAGE · 44/50 repos · 1841 files · 59607 LOC
Depth 70 · HIGH
React Core
FRAMEWORK · 42/50 repos · 1178 files · 33986 LOC
Depth 78 · HIGH
JSON Core
LANGUAGE · 45/50 repos · 340 files · 110721 LOC
Depth 70 · HIGH
JavaScript Core
LANGUAGE · 42/50 repos · 286 files · 21413 LOC
Depth 70 · HIGH
Markdown Core
LANGUAGE · 44/50 repos · 239 files · 19227 LOC
Depth 70 · HIGH
Swift Recurring
LANGUAGE · 3/50 repos · 182 files · 24318 LOC
Depth 70 · HIGH
ESLint Core
QUALITY · 38/50 repos · 119 files · 547388 LOC
Depth 77 · HIGH
Prettier Core
QUALITY · 37/50 repos · 73 files · 327814 LOC
Depth 69 · HIGH
Next.js Core
FRAMEWORK · 15/50 repos · 72 files · 2404 LOC
Depth 58 · HIGH
npm Core
BUILD_TOOL · 45/50 repos · 45 files · 450 LOC
Depth 80 · HIGH
Yarn Core
BUILD_TOOL · 40/50 repos · 40 files · 400 LOC
Depth 80 · HIGH
YAML Core
LANGUAGE · 15/50 repos · 33 files · 890 LOC
Depth 70 · HIGH
XML Core
LANGUAGE · 4/50 repos · 27 files · 290 LOC
Depth 70 · HIGH
Gradle Core
LANGUAGE · 8/50 repos · 16 files · 1137 LOC
Depth 70 · HIGH
Apache Kafka Core
MESSAGE_BROKER · 8/50 repos · 15 files · 124555 LOC
Depth 65 · HIGH
Java Recurring
LANGUAGE · 3/50 repos · 12 files · 697 LOC
Depth 70 · HIGH
C++ Recurring
LANGUAGE · 3/50 repos · 10 files · 215 LOC
Depth 70 · HIGH
Kotlin Recurring
LANGUAGE · 3/50 repos · 7 files · 369 LOC
Depth 70 · HIGH
Redis Emerging
CACHE · 1/50 repos · 2 files · 4187 LOC
Depth 65 · HIGH
Zod Recurring
LIBRARY · 2/50 repos · 2 files · 229 LOC
Depth 52 · HIGH
Lodash Recurring
LIBRARY · 2/50 repos · 1 files · 44 LOC
Depth 55 · HIGH
debug Emerging
LIBRARY · 1/50 repos · 1 files · 333 LOC
Depth 58 · HIGH
Tailwind CSS Emerging
LIBRARY · 1/50 repos · 1 files · 93 LOC
Depth 54 · HIGH
RabbitMQ Emerging
MESSAGE_BROKER · 1/50 repos · 1 files · 7031 LOC
Depth 61 · HIGH
TOML Emerging
LANGUAGE · 1/50 repos · 1 files · 3 LOC
Depth 70 · HIGH
Jest Core
TESTING · 9/50 repos · 0 files · 0 LOC
Mocha Emerging
TESTING · 1/50 repos · 0 files · 0 LOC
Vite Emerging
BUILD_TOOL · 1/50 repos · 0 files · 0 LOC
esbuild Emerging
BUILD_TOOL · 1/50 repos · 0 files · 0 LOC
Webpack Emerging
BUILD_TOOL · 1/50 repos · 0 files · 0 LOC
ENGINEERING HABITS
containerizationabsent
automated_testsobserved
documentationobserved
lintingobserved
formattingobserved
continuous_integrationobserved
Not observed ≠ does not know
PROJECT PORTFOLIO
moti React
solito ESLint
zeego ESLint
dripsy React
burnt React
swr-firestore npm
react-native-anchors React
ACTIVITY & OWNERSHIP
Active months 101
Commits 5132
Owner authored 92%
PRIMARY PROFILE — HR VIEW
FrontendTypeScript · React · JSONHigh ownership
In 30 sec: direction — frontend, core — TypeScript · React · JSON, 50 repos 2017 — 2026. No LOC or files — stability only.
DEVELOPER SIGNATURE
TypeScriptReactJSONJavaScriptMarkdownHigh ownership
TECHNOLOGY EVOLUTION
2023
JavaScript · React
2024
TypeScript · Next.js
2025
TypeScript · PostgreSQL
2026
TS + Next
COMMUNITY / IMPACT not a skill rating
Stars 18576
Forks 807
Watchers 185
EVERYTHING ABOVE IS TRACEABLE
50 repositories · 5132 commits · 5140 files · 505 evidence
Absence of a technology in the passport does not imply lack of experience