leoferrazdev Leo Ferraz | Building with AI
Building real products with AI · SaaS, apps, games & experiments · From idea to launch.
EVIDENCE BASE
38
Repositories
1992
Commits
5849
Files analyzed
48
Technologies
258
Evidence
13
Active months
Based on 38 repository passports · 32/38 current
ENGINEERING PROFILE
Frontend84%
Backend31%
Testing43%
DevOps68%
CORE TECHNOLOGIES
HR: name + projects · Lead: + files/LOC · persistence Core≥4
Markdown Core
LANGUAGE · 25/38 repos · 1313 files · 213215 LOC
Depth 70 · HIGH
JavaScript Core
LANGUAGE · 27/38 repos · 981 files · 226563 LOC
Depth 70 · HIGH
TypeScript Core
LANGUAGE · 15/38 repos · 515 files · 82252 LOC
Depth 70 · HIGH
React Core
FRAMEWORK · 11/38 repos · 216 files · 59965 LOC
Depth 78 · HIGH
JSON Core
LANGUAGE · 22/38 repos · 165 files · 238940 LOC
Depth 70 · HIGH
SQL Core
LANGUAGE · 9/38 repos · 121 files · 11741 LOC
Depth 70 · HIGH
YAML Core
LANGUAGE · 9/38 repos · 97 files · 36671 LOC
Depth 70 · HIGH
Vitest Core
TESTING · 5/38 repos · 80 files · 11588 LOC
Depth 53 · HIGH
Next.js Core
FRAMEWORK · 5/38 repos · 78 files · 5168 LOC
Depth 74 · HIGH
React Router Core
LIBRARY · 4/38 repos · 77 files · 26834 LOC
Depth 74 · HIGH
Python Core
LANGUAGE · 4/38 repos · 63 files · 13078 LOC
Depth 70 · HIGH
ESLint Core
QUALITY · 11/38 repos · 33 files · 82499 LOC
Depth 73 · HIGH
XML Core
LANGUAGE · 4/38 repos · 33 files · 2342937 LOC
Depth 70 · HIGH
PowerShell Recurring
LANGUAGE · 3/38 repos · 24 files · 1300 LOC
Depth 70 · HIGH
npm Core
BUILD_TOOL · 21/38 repos · 21 files · 210 LOC
Depth 80 · HIGH
Java Emerging
LANGUAGE · 1/38 repos · 17 files · 993 LOC
Depth 70 · HIGH
Shell Recurring
LANGUAGE · 2/38 repos · 15 files · 1740 LOC
Depth 70 · HIGH
Vue Core
FRAMEWORK · 4/38 repos · 12 files · 903 LOC
Depth 62 · HIGH
Jest Emerging
TESTING · 1/38 repos · 11 files · 7867 LOC
Depth 74 · HIGH
Vite Core
BUILD_TOOL · 6/38 repos · 10 files · 2707 LOC
Depth 58 · HIGH
MongoDB Emerging
DATABASE · 1/38 repos · 10 files · 10222 LOC
Depth 93 · HIGH
pytest Emerging
TESTING · 1/38 repos · 8 files · 1022 LOC
Depth 57 · HIGH
Playwright Recurring
TESTING · 3/38 repos · 8 files · 4501 LOC
Depth 58 · HIGH
Redis Core
CACHE · 4/38 repos · 7 files · 12447 LOC
Depth 61 · HIGH
TOML Recurring
LANGUAGE · 3/38 repos · 6 files · 149 LOC
Depth 70 · HIGH
PostgreSQL Recurring
DATABASE · 3/38 repos · 5 files · 515 LOC
Depth 92 · HIGH
Express Core
FRAMEWORK · 4/38 repos · 5 files · 1274 LOC
Depth 58 · HIGH
debug Recurring
LIBRARY · 2/38 repos · 5 files · 1963 LOC
Depth 37 · HIGH
Prettier Core
QUALITY · 4/38 repos · 5 files · 38165 LOC
Depth 69 · HIGH
Axios Recurring
LIBRARY · 3/38 repos · 4 files · 3240 LOC
Prisma Emerging
DATABASE · 1/38 repos · 4 files · 3117 LOC
Depth 70 · HIGH
Cypress Emerging
TESTING · 1/38 repos · 4 files · 2953 LOC
Depth 70 · HIGH
Gradle Recurring
LANGUAGE · 2/38 repos · 4 files · 70 LOC
Depth 70 · HIGH
JUnit Recurring
TESTING · 2/38 repos · 3 files · 941 LOC
Depth 37 · HIGH
Redux Emerging
LIBRARY · 1/38 repos · 3 files · 2900 LOC
Depth 66 · HIGH
GraphQL Emerging
LIBRARY · 1/38 repos · 3 files · 2373 LOC
Depth 66 · HIGH
Kotlin Emerging
LANGUAGE · 1/38 repos · 3 files · 113 LOC
Depth 70 · HIGH
Webpack Emerging
BUILD_TOOL · 1/38 repos · 3 files · 1969 LOC
Depth 66 · HIGH
Lodash Emerging
LIBRARY · 1/38 repos · 2 files · 2166 LOC
Depth 62 · HIGH
Angular Emerging
FRAMEWORK · 1/38 repos · 2 files · 685 LOC
Depth 62 · HIGH
NestJS Emerging
FRAMEWORK · 1/38 repos · 2 files · 685 LOC
Depth 62 · HIGH
Tailwind CSS Core
LIBRARY · 6/38 repos · 2 files · 387 LOC
Supertest Emerging
TESTING · 1/38 repos · 1 files · 705 LOC
Depth 37 · HIGH
Svelte Emerging
FRAMEWORK · 1/38 repos · 1 files · 364 LOC
Depth 58 · HIGH
pnpm Emerging
BUILD_TOOL · 1/38 repos · 1 files · 10 LOC
Depth 80 · HIGH
pip Emerging
BUILD_TOOL · 1/38 repos · 1 files · 10 LOC
Depth 80 · HIGH
Dockerfile Emerging
LANGUAGE · 1/38 repos · 1 files · 11 LOC
Depth 70 · HIGH
Apache Kafka Emerging
MESSAGE_BROKER · 1/38 repos · 1 files · 583 LOC
Depth 65 · HIGH
ENGINEERING HABITS
containerizationobserved
automated_testsobserved
documentationobserved
lintingobserved
formattingobserved
continuous_integrationobserved
Not observed ≠ does not know
PROJECT PORTFOLIO
kali-franca React
leo-ferraz-brand npm
sproutbound npm
uli-zarzana Next.js
vitra-marketing-hub ESLint
portfolio ESLint
game_java Java
ACTIVITY & OWNERSHIP
Active months 13
Commits 1992
Owner authored 100%
PRIMARY PROFILE — HR VIEW
FrontendMarkdown · JavaScript · TypeScriptHigh ownership
In 30 sec: direction — frontend, core — Markdown · JavaScript · TypeScript, 38 repos 2023 — 2026. No LOC or files — stability only.
DEVELOPER SIGNATURE
MarkdownJavaScriptTypeScriptReactJSONHigh ownership
TECHNOLOGY EVOLUTION
2023
JavaScript · React
2024
TypeScript · Next.js
2025
TypeScript · PostgreSQL
2026
TS + Next
COMMUNITY / IMPACT not a skill rating
Stars 23
Forks 1
Watchers 11
EVERYTHING ABOVE IS TRACEABLE
38 repositories · 1992 commits · 5849 files · 258 evidence
Absence of a technology in the passport does not imply lack of experience