Yeachan-Heo Bellman
Algo Trader / Bloated AI Slop Creator AI-Driven Software / Research Factory Massive Layoff Solutions
EVIDENCE BASE
50
Repositories
51118
Commits
14508
Files analyzed
68
Technologies
397
Evidence
31
Active months
Based on 50 repository passports · 35/50 current
ENGINEERING PROFILE
Frontend60%
Backend68%
Testing62%
DevOps57%
CORE TECHNOLOGIES
HR: name + projects · Lead: + files/LOC · persistence Core≥4
TypeScript Core
LANGUAGE · 15/50 repos · 8012 files · 2909073 LOC
Depth 70 · HIGH
Markdown Core
LANGUAGE · 33/50 repos · 2073 files · 218905 LOC
Depth 70 · HIGH
Rust Core
LANGUAGE · 6/50 repos · 1032 files · 609311 LOC
Depth 70 · HIGH
JSON Core
LANGUAGE · 20/50 repos · 974 files · 409212 LOC
Depth 70 · HIGH
Vitest Core
TESTING · 5/50 repos · 887 files · 241517 LOC
Depth 58 · HIGH
Python Core
LANGUAGE · 21/50 repos · 452 files · 60621 LOC
Depth 70 · HIGH
Tokio Core
LIBRARY · 5/50 repos · 267 files · 230866 LOC
Depth 78 · HIGH
JavaScript Core
LANGUAGE · 12/50 repos · 253 files · 329746 LOC
Depth 70 · HIGH
Serde Core
LIBRARY · 6/50 repos · 176 files · 205828 LOC
Depth 74 · HIGH
TOML Core
LANGUAGE · 12/50 repos · 167 files · 6089 LOC
Depth 70 · HIGH
Shell Core
LANGUAGE · 10/50 repos · 123 files · 16071 LOC
Depth 70 · HIGH
NumPy Core
LIBRARY · 12/50 repos · 114 files · 25002 LOC
Depth 70 · HIGH
YAML Core
LANGUAGE · 17/50 repos · 94 files · 13835 LOC
Depth 70 · HIGH
Next.js Core
FRAMEWORK · 10/50 repos · 86 files · 87948 LOC
Depth 66 · HIGH
React Core
FRAMEWORK · 8/50 repos · 69 files · 15953 LOC
Depth 58 · HIGH
pandas Core
LIBRARY · 8/50 repos · 64 files · 17352 LOC
Depth 66 · HIGH
debug Core
LIBRARY · 6/50 repos · 53 files · 56310 LOC
Depth 74 · HIGH
Zod Core
LIBRARY · 4/50 repos · 41 files · 28856 LOC
Depth 70 · HIGH
XML Core
LANGUAGE · 6/50 repos · 39 files · 11594 LOC
Depth 70 · HIGH
Go Emerging
LANGUAGE · 1/50 repos · 37 files · 40601 LOC
Depth 70 · HIGH
Reqwest Core
LIBRARY · 4/50 repos · 36 files · 61323 LOC
Depth 74 · HIGH
pytest Core
TESTING · 5/50 repos · 36 files · 5757 LOC
Depth 37 · HIGH
Swift Recurring
LANGUAGE · 2/50 repos · 29 files · 8397 LOC
Depth 70 · HIGH
Axum Recurring
FRAMEWORK · 2/50 repos · 16 files · 18167 LOC
Depth 66 · HIGH
ESLint Core
QUALITY · 7/50 repos · 13 files · 18581 LOC
Depth 84 · HIGH
Playwright Recurring
TESTING · 3/50 repos · 13 files · 13313 LOC
Depth 70 · HIGH
Tokio Util Recurring
LIBRARY · 2/50 repos · 12 files · 28443 LOC
Depth 74 · HIGH
Redis Core
CACHE · 5/50 repos · 12 files · 5233 LOC
Depth 84 · HIGH
npm Core
BUILD_TOOL · 11/50 repos · 11 files · 110 LOC
Depth 80 · HIGH
Prettier Core
QUALITY · 4/50 repos · 10 files · 18953 LOC
Depth 81 · HIGH
Vue Recurring
FRAMEWORK · 2/50 repos · 10 files · 4329 LOC
Depth 74 · HIGH
Jest Core
TESTING · 4/50 repos · 9 files · 4658 LOC
Depth 58 · HIGH
Dockerfile Core
LANGUAGE · 4/50 repos · 9 files · 611 LOC
Depth 70 · HIGH
Svelte Recurring
FRAMEWORK · 2/50 repos · 6 files · 2820 LOC
Depth 62 · HIGH
GraphQL Recurring
LIBRARY · 3/50 repos · 6 files · 3123 LOC
Depth 58 · HIGH
Vite Recurring
BUILD_TOOL · 3/50 repos · 6 files · 880 LOC
Depth 70 · HIGH
Cargo Core
BUILD_TOOL · 6/50 repos · 6 files · 60 LOC
Depth 80 · HIGH
pip Core
BUILD_TOOL · 5/50 repos · 5 files · 50 LOC
Depth 80 · HIGH
React Router Emerging
LIBRARY · 1/50 repos · 5 files · 444 LOC
Depth 74 · HIGH
Poetry Core
BUILD_TOOL · 4/50 repos · 4 files · 40 LOC
Depth 80 · HIGH
Prisma Emerging
DATABASE · 1/50 repos · 3 files · 838 LOC
Depth 66 · HIGH
MongoDB Recurring
DATABASE · 3/50 repos · 3 files · 2533 LOC
Depth 58 · HIGH
Express Emerging
FRAMEWORK · 1/50 repos · 3 files · 951 LOC
Depth 66 · HIGH
Tokio Stream Emerging
LIBRARY · 1/50 repos · 3 files · 12021 LOC
Depth 85 · HIGH
PostgreSQL Recurring
DATABASE · 2/50 repos · 2 files · 266 LOC
Depth 58 · HIGH
PowerShell Emerging
LANGUAGE · 1/50 repos · 2 files · 618 LOC
Depth 70 · HIGH
Webpack Emerging
BUILD_TOOL · 1/50 repos · 2 files · 318 LOC
Depth 62 · HIGH
Requests Recurring
LIBRARY · 3/50 repos · 1 files · 38 LOC
Bytes Emerging
LIBRARY · 1/50 repos · 1 files · 3209 LOC
Depth 58 · HIGH
Axios Emerging
LIBRARY · 1/50 repos · 1 files · 136 LOC
Depth 58 · HIGH
NestJS Emerging
FRAMEWORK · 1/50 repos · 1 files · 116 LOC
Depth 58 · HIGH
uv Emerging
BUILD_TOOL · 1/50 repos · 1 files · 10 LOC
Depth 80 · HIGH
C Emerging
LANGUAGE · 1/50 repos · 1 files · 271 LOC
Depth 70 · HIGH
Lodash Emerging
LIBRARY · 1/50 repos · 1 files · 220 LOC
Depth 37 · HIGH
Angular Emerging
FRAMEWORK · 1/50 repos · 1 files · 116 LOC
Depth 58 · HIGH
pnpm Emerging
BUILD_TOOL · 1/50 repos · 1 files · 10 LOC
Depth 80 · HIGH
Elasticsearch Emerging
DATABASE · 1/50 repos · 1 files · 701 LOC
Depth 61 · HIGH
Go Modules Emerging
BUILD_TOOL · 1/50 repos · 1 files · 10 LOC
Depth 80 · HIGH
Flask Emerging
FRAMEWORK · 1/50 repos · 1 files · 32 LOC
Depth 51 · HIGH
Cypress Emerging
TESTING · 1/50 repos · 1 files · 116 LOC
Depth 58 · HIGH
Click Emerging
LIBRARY · 1/50 repos · 0 files · 0 LOC
Tokio Test Emerging
TESTING · 1/50 repos · 0 files · 0 LOC
lxml Recurring
LIBRARY · 2/50 repos · 0 files · 0 LOC
esbuild Emerging
BUILD_TOOL · 1/50 repos · 0 files · 0 LOC
Tracing Recurring
OBSERVABILITY · 2/50 repos · 0 files · 0 LOC
Clap Recurring
LIBRARY · 3/50 repos · 0 files · 0 LOC
Tailwind CSS Emerging
LIBRARY · 1/50 repos · 0 files · 0 LOC
typing_extensions Emerging
LIBRARY · 1/50 repos · 0 files · 0 LOC
ENGINEERING HABITS
containerizationobserved
automated_testsobserved
documentationobserved
lintingobserved
formattingobserved
continuous_integrationobserved
Not observed ≠ does not know
PROJECT PORTFOLIO
oh-my-codex Cargo
oh-my-claudecode ESLint
clawhip Serde
gajae-code ESLint
My-Jogyo npm
Certis pip
NDFinance Redis
HSC2021-AlphaSolar Markdown
ACTIVITY & OWNERSHIP
Active months 31
Commits 51118
Owner authored 68%
PRIMARY PROFILE — HR VIEW
Full-stackTypeScript · Markdown · RustCollaborative
In 30 sec: direction — full-stack, core — TypeScript · Markdown · Rust, 50 repos 2019 — 2026. No LOC or files — stability only.
DEVELOPER SIGNATURE
TypeScriptMarkdownRustJSONVitestCollaborative
TECHNOLOGY EVOLUTION
2023
JavaScript · React
2024
TypeScript · Next.js
2025
TypeScript · PostgreSQL
2026
TS + Next
COMMUNITY / IMPACT not a skill rating
Stars 77955
Forks 6892
Watchers 257
EVERYTHING ABOVE IS TRACEABLE
50 repositories · 51118 commits · 14508 files · 397 evidence
Absence of a technology in the passport does not imply lack of experience