Talljack Talljack
Product-focused full-stack engineer building AI agents, developer tools & native apps. Creator of EchoType · React · TypeScript · Python · Go · Swift
EVIDENCE BASE
50
Repositories
3678
Commits
5042
Files analyzed
57
Technologies
654
Evidence
67
Active months
Based on 50 repository passports · 50/50 current
ENGINEERING PROFILE
Frontend84%
Backend34%
Testing84%
DevOps92%
CORE TECHNOLOGIES
HR: name + projects · Lead: + files/LOC · persistence Core≥4
TypeScript Core
LANGUAGE · 38/50 repos · 1692 files · 211375 LOC
Depth 70 · HIGH
JSON Core
LANGUAGE · 48/50 repos · 1229 files · 201439 LOC
Depth 70 · HIGH
React Core
FRAMEWORK · 24/50 repos · 496 files · 86597 LOC
Depth 93 · HIGH
Markdown Core
LANGUAGE · 50/50 repos · 434 files · 72760 LOC
Depth 70 · HIGH
Next.js Core
FRAMEWORK · 8/50 repos · 318 files · 53542 LOC
Depth 96 · HIGH
Vitest Core
TESTING · 13/50 repos · 228 files · 19172 LOC
Depth 53 · HIGH
Redis Core
CACHE · 6/50 repos · 216 files · 61508 LOC
Depth 84 · HIGH
JavaScript Core
LANGUAGE · 36/50 repos · 209 files · 90984 LOC
Depth 70 · HIGH
Python Core
LANGUAGE · 7/50 repos · 186 files · 24106 LOC
Depth 70 · HIGH
Elasticsearch Emerging
DATABASE · 1/50 repos · 127 files · 127 LOC
Depth 81 · HIGH
Swift Recurring
LANGUAGE · 3/50 repos · 116 files · 25522 LOC
Depth 70 · HIGH
ESLint Core
QUALITY · 34/50 repos · 115 files · 174960 LOC
Depth 69 · HIGH
YAML Core
LANGUAGE · 41/50 repos · 114 files · 134626 LOC
Depth 70 · HIGH
Vue Core
FRAMEWORK · 13/50 repos · 114 files · 19190 LOC
Depth 81 · HIGH
Playwright Core
TESTING · 6/50 repos · 102 files · 12159 LOC
Depth 81 · HIGH
MongoDB Recurring
DATABASE · 3/50 repos · 102 files · 35573 LOC
Depth 77 · HIGH
Prettier Core
QUALITY · 30/50 repos · 67 files · 141209 LOC
Depth 69 · HIGH
Rust Core
LANGUAGE · 7/50 repos · 65 files · 18937 LOC
Depth 70 · HIGH
npm Core
BUILD_TOOL · 42/50 repos · 42 files · 420 LOC
Depth 80 · HIGH
Axios Core
LIBRARY · 6/50 repos · 28 files · 4723 LOC
Depth 78 · HIGH
pnpm Core
BUILD_TOOL · 28/50 repos · 28 files · 280 LOC
Depth 80 · HIGH
React Router Recurring
LIBRARY · 3/50 repos · 25 files · 3145 LOC
Depth 74 · HIGH
Shell Core
LANGUAGE · 13/50 repos · 23 files · 1676 LOC
Depth 70 · HIGH
Vite Core
BUILD_TOOL · 25/50 repos · 22 files · 463 LOC
Zod Core
LIBRARY · 11/50 repos · 19 files · 2207 LOC
Depth 74 · HIGH
SQL Recurring
LANGUAGE · 3/50 repos · 18 files · 1280 LOC
Depth 70 · HIGH
Apache Kafka Emerging
MESSAGE_BROKER · 1/50 repos · 18 files · 18 LOC
Depth 68 · HIGH
TOML Core
LANGUAGE · 10/50 repos · 17 files · 922 LOC
Depth 70 · HIGH
RabbitMQ Emerging
MESSAGE_BROKER · 1/50 repos · 11 files · 11 LOC
Depth 65 · HIGH
Pydantic Emerging
LIBRARY · 1/50 repos · 8 files · 329 LOC
Depth 74 · HIGH
Tailwind CSS Core
LIBRARY · 17/50 repos · 8 files · 558 LOC
Cargo Core
BUILD_TOOL · 7/50 repos · 7 files · 70 LOC
Depth 80 · HIGH
XML Core
LANGUAGE · 4/50 repos · 7 files · 104 LOC
Depth 70 · HIGH
Serde Core
LIBRARY · 6/50 repos · 6 files · 3171 LOC
PostgreSQL Recurring
DATABASE · 3/50 repos · 5 files · 11481 LOC
Depth 73 · HIGH
Yarn Core
BUILD_TOOL · 5/50 repos · 5 files · 50 LOC
Depth 80 · HIGH
Tokio Core
LIBRARY · 4/50 repos · 4 files · 2920 LOC
GraphQL Recurring
LIBRARY · 3/50 repos · 4 files · 738 LOC
Depth 58 · HIGH
debug Core
LIBRARY · 4/50 repos · 4 files · 436 LOC
Depth 41 · HIGH
pytest Emerging
TESTING · 1/50 repos · 4 files · 311 LOC
Depth 70 · HIGH
Poetry Recurring
BUILD_TOOL · 3/50 repos · 3 files · 30 LOC
Depth 80 · HIGH
uv Recurring
BUILD_TOOL · 2/50 repos · 2 files · 20 LOC
Depth 80 · HIGH
SQLx Emerging
DATABASE · 1/50 repos · 2 files · 85 LOC
Depth 62 · HIGH
JUnit Emerging
TESTING · 1/50 repos · 2 files · 126 LOC
Depth 41 · HIGH
Dockerfile Recurring
LANGUAGE · 2/50 repos · 2 files · 53 LOC
Depth 70 · HIGH
Webpack Core
BUILD_TOOL · 4/50 repos · 2 files · 101 LOC
Depth 45 · HIGH
NumPy Emerging
LIBRARY · 1/50 repos · 1 files · 293 LOC
Depth 58 · HIGH
Prisma Emerging
DATABASE · 1/50 repos · 1 files · 12 LOC
Depth 43 · HIGH
Reqwest Recurring
LIBRARY · 3/50 repos · 1 files · 64 LOC
Express Emerging
FRAMEWORK · 1/50 repos · 1 files · 180 LOC
Depth 58 · HIGH
mypy Emerging
QUALITY · 1/50 repos · 0 files · 0 LOC
python-dotenv Emerging
LIBRARY · 1/50 repos · 0 files · 0 LOC
Black Emerging
QUALITY · 1/50 repos · 0 files · 0 LOC
Ruff Recurring
QUALITY · 2/50 repos · 0 files · 0 LOC
HTTPX Emerging
LIBRARY · 1/50 repos · 0 files · 0 LOC
Jest Emerging
TESTING · 1/50 repos · 0 files · 0 LOC
Testing Library Core
TESTING · 4/50 repos · 0 files · 0 LOC
ENGINEERING HABITS
containerizationobserved
automated_testsobserved
documentationobserved
lintingobserved
formattingobserved
continuous_integrationobserved
Not observed ≠ does not know
PROJECT PORTFOLIO
echo-type Next.js
LLM-LoRA uv
vue3-snippets Prettier
ai-agents Poetry
menu-hub Shell
remote-jobs React
work-todo ESLint
ACTIVITY & OWNERSHIP
Active months 67
Commits 3678
Owner authored 41%
PRIMARY PROFILE — HR VIEW
FrontendTypeScript · JSON · ReactTeam
In 30 sec: direction — frontend, core — TypeScript · JSON · React, 50 repos 2019 — 2026. No LOC or files — stability only.
DEVELOPER SIGNATURE
TypeScriptJSONReactMarkdownNext.jsTeam
TECHNOLOGY EVOLUTION
2023
JavaScript · React
2024
TypeScript · Next.js
2025
TypeScript · PostgreSQL
2026
TS + Next
COMMUNITY / IMPACT not a skill rating
Stars 446
Forks 54
Watchers 33
EVERYTHING ABOVE IS TRACEABLE
50 repositories · 3678 commits · 5042 files · 654 evidence
Absence of a technology in the passport does not imply lack of experience