sayjeyhi Jafar Rezaei
Fullstack software engineer | Into DevOps and Infra management | Book writer | OSS Lover | A happy friend and husband
EVIDENCE BASE
50
Repositories
2098
Commits
11568
Files analyzed
73
Technologies
560
Evidence
76
Active months
Based on 50 repository passports · 50/50 current
ENGINEERING PROFILE
Frontend80%
Backend32%
Testing68%
DevOps88%
CORE TECHNOLOGIES
HR: name + projects · Lead: + files/LOC · persistence Core≥4
TypeScript Core
LANGUAGE · 27/50 repos · 1133 files · 100381 LOC
JavaScript Core
LANGUAGE · 37/50 repos · 852 files · 132408 LOC
Depth 70 · HIGH
Markdown Core
LANGUAGE · 48/50 repos · 622 files · 42893 LOC
Depth 70 · HIGH
PHP Recurring
LANGUAGE · 2/50 repos · 593 files · 91213 LOC
Depth 70 · HIGH
React Core
FRAMEWORK · 27/50 repos · 557 files · 55695 LOC
Depth 74 · HIGH
JSON Core
LANGUAGE · 45/50 repos · 351 files · 318460 LOC
Depth 70 · HIGH
YAML Core
LANGUAGE · 36/50 repos · 155 files · 62074 LOC
Depth 70 · HIGH
Rust Core
LANGUAGE · 5/50 repos · 119 files · 23599 LOC
Depth 70 · HIGH
Next.js Core
FRAMEWORK · 11/50 repos · 118 files · 13730 LOC
Depth 57 · HIGH
ESLint Core
QUALITY · 28/50 repos · 111 files · 289673 LOC
Depth 59 · HIGH
Guzzle Emerging
LIBRARY · 1/50 repos · 67 files · 6885 LOC
Depth 74 · HIGH
Prettier Core
QUALITY · 25/50 repos · 53 files · 211076 LOC
Depth 59 · HIGH
Ruby Emerging
LANGUAGE · 1/50 repos · 45 files · 722 LOC
Depth 70 · HIGH
npm Core
BUILD_TOOL · 41/50 repos · 41 files · 410 LOC
Depth 80 · HIGH
Python Recurring
LANGUAGE · 2/50 repos · 40 files · 1219 LOC
Depth 70 · HIGH
React Router Core
LIBRARY · 5/50 repos · 38 files · 1812 LOC
Depth 74 · HIGH
XML Core
LANGUAGE · 10/50 repos · 34 files · 278 LOC
Depth 70 · HIGH
debug Core
LIBRARY · 7/50 repos · 33 files · 8204 LOC
Depth 62 · HIGH
Tokio Emerging
LIBRARY · 1/50 repos · 21 files · 4453 LOC
Depth 78 · HIGH
NestJS Emerging
FRAMEWORK · 1/50 repos · 16 files · 264 LOC
Depth 74 · HIGH
Vite Core
BUILD_TOOL · 11/50 repos · 15 files · 909 LOC
Depth 44 · HIGH
SQL Recurring
LANGUAGE · 2/50 repos · 15 files · 408 LOC
Depth 70 · HIGH
Yarn Core
BUILD_TOOL · 15/50 repos · 15 files · 150 LOC
Depth 80 · HIGH
Tokio Util Emerging
LIBRARY · 1/50 repos · 14 files · 6428 LOC
Depth 74 · HIGH
Zod Core
LIBRARY · 7/50 repos · 14 files · 1094 LOC
Depth 47 · HIGH
Dockerfile Core
LANGUAGE · 13/50 repos · 14 files · 182 LOC
Depth 70 · HIGH
Go Recurring
LANGUAGE · 2/50 repos · 12 files · 437 LOC
Depth 70 · HIGH
RabbitMQ Recurring
MESSAGE_BROKER · 2/50 repos · 12 files · 10026 LOC
Depth 81 · HIGH
Serde Emerging
LIBRARY · 1/50 repos · 10 files · 1317 LOC
Depth 93 · HIGH
PostgreSQL Recurring
DATABASE · 3/50 repos · 10 files · 10398 LOC
Depth 72 · HIGH
pnpm Core
BUILD_TOOL · 10/50 repos · 10 files · 100 LOC
Depth 80 · HIGH
Shell Core
LANGUAGE · 6/50 repos · 10 files · 2137 LOC
Depth 70 · HIGH
Vue Core
FRAMEWORK · 6/50 repos · 10 files · 1130 LOC
Depth 58 · HIGH
Redis Core
CACHE · 6/50 repos · 10 files · 32188 LOC
Depth 73 · HIGH
TOML Core
LANGUAGE · 9/50 repos · 10 files · 102 LOC
Depth 70 · HIGH
MongoDB Core
DATABASE · 5/50 repos · 9 files · 23197 LOC
Depth 66 · HIGH
Terraform Emerging
LANGUAGE · 1/50 repos · 9 files · 140 LOC
Depth 70 · HIGH
Axios Recurring
LIBRARY · 3/50 repos · 8 files · 406 LOC
Depth 52 · HIGH
Ruby on Rails Emerging
FRAMEWORK · 1/50 repos · 7 files · 81 LOC
Depth 81 · HIGH
Express Recurring
FRAMEWORK · 3/50 repos · 7 files · 119 LOC
Depth 66 · HIGH
Tailwind CSS Core
LIBRARY · 11/50 repos · 7 files · 183 LOC
Prisma Recurring
DATABASE · 2/50 repos · 6 files · 4006 LOC
Depth 74 · HIGH
GraphQL Core
LIBRARY · 5/50 repos · 6 files · 3276 LOC
Depth 62 · HIGH
FastAPI Emerging
FRAMEWORK · 1/50 repos · 5 files · 63 LOC
Depth 74 · HIGH
Fiber Emerging
FRAMEWORK · 1/50 repos · 4 files · 126 LOC
Depth 74 · HIGH
Axum Emerging
FRAMEWORK · 1/50 repos · 3 files · 1085 LOC
Depth 66 · HIGH
Symfony Emerging
FRAMEWORK · 1/50 repos · 3 files · 145 LOC
Depth 66 · HIGH
Cargo Recurring
BUILD_TOOL · 3/50 repos · 3 files · 30 LOC
Depth 80 · HIGH
Vitest Recurring
TESTING · 2/50 repos · 3 files · 864 LOC
Depth 41 · HIGH
Cypress Emerging
TESTING · 1/50 repos · 3 files · 15 LOC
Depth 56 · HIGH
Requests Emerging
LIBRARY · 1/50 repos · 2 files · 158 LOC
Depth 62 · HIGH
Reqwest Emerging
LIBRARY · 1/50 repos · 2 files · 729 LOC
Depth 62 · HIGH
C Recurring
LANGUAGE · 2/50 repos · 2 files · 10 LOC
Depth 70 · HIGH
Redux Emerging
LIBRARY · 1/50 repos · 2 files · 35 LOC
Depth 56 · HIGH
Apache Kafka Recurring
MESSAGE_BROKER · 2/50 repos · 2 files · 22313 LOC
Depth 61 · HIGH
Webpack Emerging
BUILD_TOOL · 1/50 repos · 2 files · 103 LOC
Depth 58 · HIGH
GORM Emerging
LIBRARY · 1/50 repos · 1 files · 37 LOC
Depth 53 · HIGH
Svelte Emerging
FRAMEWORK · 1/50 repos · 1 files · 196 LOC
Depth 58 · HIGH
Pydantic Emerging
LIBRARY · 1/50 repos · 1 files · 5 LOC
Depth 40 · HIGH
go-json Emerging
LIBRARY · 1/50 repos · 1 files · 28 LOC
Depth 45 · HIGH
Bundler Emerging
BUILD_TOOL · 1/50 repos · 1 files · 10 LOC
Depth 80 · HIGH
Uvicorn Emerging
LIBRARY · 1/50 repos · 1 files · 3 LOC
Depth 39 · HIGH
Supertest Emerging
TESTING · 1/50 repos · 1 files · 20 LOC
Depth 25 · HIGH
Lodash Emerging
LIBRARY · 1/50 repos · 1 files · 140 LOC
Depth 58 · HIGH
Go Modules Emerging
BUILD_TOOL · 1/50 repos · 1 files · 10 LOC
Depth 80 · HIGH
Composer Emerging
BUILD_TOOL · 1/50 repos · 1 files · 10 LOC
Depth 80 · HIGH
Bytes Emerging
LIBRARY · 1/50 repos · 0 files · 0 LOC
Tracing Emerging
OBSERVABILITY · 1/50 repos · 0 files · 0 LOC
JSON Web Tokens Emerging
SECURITY · 1/50 repos · 0 files · 0 LOC
Passport Emerging
SECURITY · 1/50 repos · 0 files · 0 LOC
Clap Emerging
LIBRARY · 1/50 repos · 0 files · 0 LOC
Jest Emerging
TESTING · 1/50 repos · 0 files · 0 LOC
Testing Library Recurring
TESTING · 2/50 repos · 0 files · 0 LOC
ENGINEERING HABITS
containerizationobserved
automated_testsobserved
documentationobserved
lintingobserved
formattingobserved
continuous_integrationobserved
Not observed ≠ does not know
PROJECT PORTFOLIO
ACTIVITY & OWNERSHIP
Active months 76
Commits 2098
Owner authored 100%
PRIMARY PROFILE — HR VIEW
FrontendTypeScript · JavaScript · MarkdownHigh ownership
In 30 sec: direction — frontend, core — TypeScript · JavaScript · Markdown, 50 repos 2018 — 2026. No LOC or files — stability only.
DEVELOPER SIGNATURE
TypeScriptJavaScriptMarkdownPHPReactHigh ownership
TECHNOLOGY EVOLUTION
2023
JavaScript · React
2024
TypeScript · Next.js
2025
TypeScript · PostgreSQL
2026
TS + Next
COMMUNITY / IMPACT not a skill rating
Stars 98
Forks 20
Watchers 35
EVERYTHING ABOVE IS TRACEABLE
50 repositories · 2098 commits · 11568 files · 560 evidence
Absence of a technology in the passport does not imply lack of experience