julien-c Julien Chaumond
CTO @huggingface
EVIDENCE BASE
50
Repositories
31314
Commits
1812
Files analyzed
35
Technologies
218
Evidence
84
Active months
Based on 50 repository passports · 50/50 current
ENGINEERING PROFILE
Frontend50%
Backend36%
Testing6%
DevOps46%
CORE TECHNOLOGIES
HR: name + projects · Lead: + files/LOC · persistence Core≥4
Markdown Core
LANGUAGE · 33/50 repos · 446 files · 93065 LOC
Depth 70 · HIGH
PHP Core
LANGUAGE · 17/50 repos · 200 files · 10611 LOC
Depth 70 · HIGH
XML Core
LANGUAGE · 6/50 repos · 77 files · 20913 LOC
Depth 70 · HIGH
JSON Core
LANGUAGE · 29/50 repos · 56 files · 244548 LOC
Depth 70 · HIGH
JavaScript Core
LANGUAGE · 16/50 repos · 52 files · 108204 LOC
Depth 70 · HIGH
Laravel Core
FRAMEWORK · 4/50 repos · 35 files · 1089 LOC
Depth 96 · HIGH
TypeScript Core
LANGUAGE · 9/50 repos · 29 files · 32579 LOC
Depth 70 · HIGH
Python Core
LANGUAGE · 6/50 repos · 22 files · 1674 LOC
Depth 70 · HIGH
Redis Core
CACHE · 6/50 repos · 19 files · 72136 LOC
Depth 69 · HIGH
Swift Core
LANGUAGE · 4/50 repos · 16 files · 616 LOC
Depth 70 · HIGH
Symfony Core
FRAMEWORK · 5/50 repos · 14 files · 830 LOC
Depth 54 · HIGH
MongoDB Core
DATABASE · 8/50 repos · 14 files · 113477 LOC
Depth 47 · HIGH
npm Core
BUILD_TOOL · 11/50 repos · 11 files · 110 LOC
Depth 80 · HIGH
Composer Core
BUILD_TOOL · 10/50 repos · 10 files · 100 LOC
Depth 80 · HIGH
Shell Core
LANGUAGE · 5/50 repos · 9 files · 410 LOC
Depth 70 · HIGH
C++ Core
LANGUAGE · 4/50 repos · 9 files · 796 LOC
Depth 70 · HIGH
YAML Core
LANGUAGE · 4/50 repos · 8 files · 179 LOC
Depth 70 · HIGH
Go Emerging
LANGUAGE · 1/50 repos · 7 files · 246 LOC
Depth 70 · HIGH
Express Recurring
FRAMEWORK · 3/50 repos · 4 files · 234 LOC
Depth 44 · HIGH
Next.js Recurring
FRAMEWORK · 3/50 repos · 3 files · 391 LOC
Depth 40 · HIGH
debug Recurring
LIBRARY · 3/50 repos · 3 files · 231 LOC
Depth 65 · HIGH
NumPy Recurring
LIBRARY · 2/50 repos · 2 files · 392 LOC
Depth 54 · HIGH
Poetry Recurring
BUILD_TOOL · 2/50 repos · 2 files · 20 LOC
Depth 80 · HIGH
Apache Kafka Emerging
MESSAGE_BROKER · 1/50 repos · 2 files · 86340 LOC
Depth 72 · HIGH
TOML Recurring
LANGUAGE · 2/50 repos · 2 files · 16 LOC
Depth 70 · HIGH
C Emerging
LANGUAGE · 1/50 repos · 1 files · 17 LOC
Depth 70 · HIGH
Elasticsearch Emerging
DATABASE · 1/50 repos · 1 files · 29997 LOC
Depth 61 · HIGH
pip Emerging
BUILD_TOOL · 1/50 repos · 1 files · 10 LOC
Depth 80 · HIGH
body-parser Emerging
LIBRARY · 1/50 repos · 1 files · 86 LOC
Depth 54 · HIGH
Ruby Emerging
LANGUAGE · 1/50 repos · 1 files · 9 LOC
Depth 70 · HIGH
Prettier Emerging
QUALITY · 1/50 repos · 1 files · 4 LOC
Depth 46 · HIGH
Vite Emerging
BUILD_TOOL · 1/50 repos · 1 files · 2 LOC
Depth 35 · HIGH
RabbitMQ Emerging
MESSAGE_BROKER · 1/50 repos · 1 files · 1773 LOC
Depth 65 · HIGH
HTTPX Emerging
LIBRARY · 1/50 repos · 0 files · 0 LOC
AWS SDK Emerging
CLOUD · 1/50 repos · 0 files · 0 LOC
ENGINEERING HABITS
containerizationabsent
automated_testsobserved
documentationobserved
lintingobserved
formattingobserved
continuous_integrationobserved
Not observed ≠ does not know
PROJECT PORTFOLIO
epub npm
synthtraces npm
meteoric.sh Markdown
trainer-proposal Markdown
laravel-oauth2-server Laravel
annotator-php Composer
hf-speedtest Poetry
canirun.ai Markdown
ACTIVITY & OWNERSHIP
Active months 84
Commits 31314
Owner authored 55%
PRIMARY PROFILE — HR VIEW
FrontendMarkdown · PHP · XMLCollaborative
In 30 sec: direction — frontend, core — Markdown · PHP · XML, 50 repos 2011 — 2026. No LOC or files — stability only.
DEVELOPER SIGNATURE
MarkdownPHPXMLJSONJavaScriptCollaborative
TECHNOLOGY EVOLUTION
2023
JavaScript · React
2024
TypeScript · Next.js
2025
TypeScript · PostgreSQL
2026
TS + Next
COMMUNITY / IMPACT not a skill rating
Stars 913
Forks 453
Watchers 92
EVERYTHING ABOVE IS TRACEABLE
50 repositories · 31314 commits · 1812 files · 218 evidence
Absence of a technology in the passport does not imply lack of experience