sibelius Sibelius Seraphini
Full Stack Developer #reactnative #redux #relay #graphql #webpack #koa #react
EVIDENCE BASE
50
Repositories
8155
Commits
4234
Files analyzed
41
Technologies
569
Evidence
110
Active months
Based on 50 repository passports · 50/50 current
ENGINEERING PROFILE
Frontend96%
Backend30%
Testing96%
DevOps96%
CORE TECHNOLOGIES
HR: name + projects · Lead: + files/LOC · persistence Core≥4
TypeScript Core
LANGUAGE · 41/50 repos · 1615 files · 65280 LOC
Depth 70 · HIGH
React Core
FRAMEWORK · 41/50 repos · 764 files · 34983 LOC
Depth 74 · HIGH
JavaScript Core
LANGUAGE · 42/50 repos · 683 files · 30136 LOC
Depth 70 · HIGH
Markdown Core
LANGUAGE · 50/50 repos · 328 files · 9575 LOC
Depth 70 · HIGH
JSON Core
LANGUAGE · 48/50 repos · 250 files · 7501 LOC
Depth 70 · HIGH
ESLint Core
QUALITY · 43/50 repos · 102 files · 346845 LOC
Depth 69 · HIGH
GraphQL Core
LIBRARY · 14/50 repos · 97 files · 4132 LOC
MongoDB Core
DATABASE · 7/50 repos · 83 files · 63005 LOC
Depth 60 · HIGH
Next.js Recurring
FRAMEWORK · 3/50 repos · 77 files · 3238 LOC
Depth 78 · HIGH
React Router Core
LIBRARY · 9/50 repos · 61 files · 2614 LOC
Depth 45 · HIGH
npm Core
BUILD_TOOL · 48/50 repos · 48 files · 480 LOC
Depth 80 · HIGH
Yarn Core
BUILD_TOOL · 45/50 repos · 45 files · 450 LOC
Depth 80 · HIGH
Prettier Core
QUALITY · 21/50 repos · 44 files · 212855 LOC
Depth 65 · HIGH
YAML Core
LANGUAGE · 14/50 repos · 35 files · 57178 LOC
Depth 70 · HIGH
Webpack Core
BUILD_TOOL · 15/50 repos · 22 files · 1791 LOC
Depth 74 · HIGH
Gradle Core
LANGUAGE · 6/50 repos · 12 files · 489 LOC
Depth 70 · HIGH
C Emerging
LANGUAGE · 1/50 repos · 11 files · 3869 LOC
Depth 70 · HIGH
C++ Core
LANGUAGE · 4/50 repos · 10 files · 758 LOC
Depth 70 · HIGH
XML Core
LANGUAGE · 4/50 repos · 10 files · 114 LOC
Depth 70 · HIGH
Python Emerging
LANGUAGE · 1/50 repos · 6 files · 723 LOC
Depth 70 · HIGH
Java Recurring
LANGUAGE · 3/50 repos · 6 files · 120 LOC
Depth 70 · HIGH
NumPy Emerging
LIBRARY · 1/50 repos · 5 files · 640 LOC
Depth 70 · HIGH
Cypress Core
TESTING · 5/50 repos · 5 files · 485 LOC
Depth 54 · HIGH
Supertest Core
TESTING · 4/50 repos · 4 files · 134 LOC
Depth 30 · HIGH
pnpm Core
BUILD_TOOL · 4/50 repos · 4 files · 40 LOC
Depth 80 · HIGH
Apache Kafka Core
MESSAGE_BROKER · 4/50 repos · 4 files · 57586 LOC
Depth 61 · HIGH
Vitest Emerging
TESTING · 1/50 repos · 3 files · 144 LOC
Depth 73 · HIGH
debug Recurring
LIBRARY · 2/50 repos · 3 files · 139 LOC
Depth 45 · HIGH
Express Recurring
FRAMEWORK · 3/50 repos · 3 files · 161 LOC
Depth 58 · HIGH
Vite Recurring
BUILD_TOOL · 3/50 repos · 3 files · 41 LOC
Depth 37 · HIGH
Shell Recurring
LANGUAGE · 2/50 repos · 2 files · 10 LOC
Depth 70 · HIGH
Redis Emerging
CACHE · 1/50 repos · 2 files · 15037 LOC
Depth 69 · HIGH
Svelte Emerging
LANGUAGE · 1/50 repos · 1 files · 50 LOC
Depth 70 · HIGH
Lodash Emerging
LIBRARY · 1/50 repos · 1 files · 35 LOC
Depth 52 · HIGH
Vue Emerging
FRAMEWORK · 1/50 repos · 1 files · 199 LOC
Depth 58 · HIGH
Zod Emerging
LIBRARY · 1/50 repos · 1 files · 219 LOC
Depth 58 · HIGH
RabbitMQ Emerging
MESSAGE_BROKER · 1/50 repos · 1 files · 14962 LOC
Depth 61 · HIGH
JSON Web Tokens Emerging
SECURITY · 1/50 repos · 0 files · 0 LOC
Jest Core
TESTING · 18/50 repos · 0 files · 0 LOC
esbuild Emerging
BUILD_TOOL · 1/50 repos · 0 files · 0 LOC
Testing Library Core
TESTING · 8/50 repos · 0 files · 0 LOC
ENGINEERING HABITS
containerizationabsent
automated_testsobserved
documentationobserved
lintingobserved
formattingobserved
continuous_integrationobserved
Not observed ≠ does not know
PROJECT PORTFOLIO
zettelkasten MongoDB
jest-everywhere React
create-react-app-relay-modern TypeScript
react-native-relay-example TypeScript
relay-modern-network-deep-dive TypeScript
ACTIVITY & OWNERSHIP
Active months 110
Commits 8155
Owner authored 89%
PRIMARY PROFILE — HR VIEW
FrontendTypeScript · React · JavaScriptHigh ownership
In 30 sec: direction — frontend, core — TypeScript · React · JavaScript, 50 repos 2014 — 2026. No LOC or files — stability only.
DEVELOPER SIGNATURE
TypeScriptReactJavaScriptMarkdownJSONHigh ownership
TECHNOLOGY EVOLUTION
2023
JavaScript · React
2024
TypeScript · Next.js
2025
TypeScript · PostgreSQL
2026
TS + Next
COMMUNITY / IMPACT not a skill rating
Stars 1990
Forks 205
Watchers 352
EVERYTHING ABOVE IS TRACEABLE
50 repositories · 8155 commits · 4234 files · 569 evidence
Absence of a technology in the passport does not imply lack of experience