jhonsferg Jhon Samuel
EVIDENCE BASE
29
Repositories
3910
Commits
4578
Files analyzed
79
Technologies
346
Evidence
14
Active months
Based on 29 repository passports · 27/29 current
ENGINEERING PROFILE
Frontend66%
Backend81%
Testing74%
DevOps96%
CORE TECHNOLOGIES
HR: name + projects · Lead: + files/LOC · persistence Core≥4
Go Core
LANGUAGE · 8/29 repos · 991 files · 153110 LOC
Depth 70 · HIGH
Markdown Core
LANGUAGE · 25/29 repos · 615 files · 208063 LOC
Depth 70 · HIGH
TypeScript Core
LANGUAGE · 17/29 repos · 516 files · 29778 LOC
Depth 70 · HIGH
Java Core
LANGUAGE · 4/29 repos · 433 files · 26924 LOC
Depth 70 · HIGH
Spring Framework Core
FRAMEWORK · 6/29 repos · 300 files · 19028 LOC
Depth 74 · HIGH
Angular Recurring
FRAMEWORK · 3/29 repos · 230 files · 12197 LOC
Depth 74 · HIGH
Lombok Recurring
LIBRARY · 3/29 repos · 222 files · 11354 LOC
Depth 93 · HIGH
YAML Core
LANGUAGE · 22/29 repos · 162 files · 32624 LOC
Depth 70 · HIGH
JSON Core
LANGUAGE · 18/29 repos · 106 files · 83205 LOC
Depth 70 · HIGH
Rust Recurring
LANGUAGE · 2/29 repos · 91 files · 24486 LOC
Depth 70 · HIGH
Redis Core
CACHE · 9/29 repos · 71 files · 18830 LOC
Depth 93 · HIGH
Spring Data Recurring
LIBRARY · 2/29 repos · 39 files · 792 LOC
Depth 93 · HIGH
SQL Core
LANGUAGE · 6/29 repos · 36 files · 1996 LOC
Depth 70 · HIGH
React Core
FRAMEWORK · 5/29 repos · 35 files · 2489 LOC
Depth 62 · HIGH
Jackson Recurring
LIBRARY · 3/29 repos · 34 files · 1292 LOC
Depth 93 · HIGH
Hibernate Recurring
LIBRARY · 2/29 repos · 33 files · 2224 LOC
Depth 74 · HIGH
PostgreSQL Core
DATABASE · 8/29 repos · 31 files · 2018 LOC
Depth 73 · HIGH
ESLint Core
QUALITY · 12/29 repos · 30 files · 85031 LOC
Depth 73 · HIGH
Spring Security Recurring
SECURITY · 3/29 repos · 28 files · 2641 LOC
Depth 93 · HIGH
Python Recurring
LANGUAGE · 2/29 repos · 27 files · 869 LOC
Depth 70 · HIGH
JUnit Recurring
TESTING · 3/29 repos · 26 files · 1647 LOC
Depth 20 · HIGH
React Router Recurring
LIBRARY · 2/29 repos · 23 files · 1449 LOC
Depth 74 · HIGH
MongoDB Core
DATABASE · 4/29 repos · 23 files · 14258 LOC
Depth 80 · HIGH
gRPC Emerging
LIBRARY · 1/29 repos · 23 files · 1649 LOC
Depth 81 · HIGH
Prettier Core
QUALITY · 9/29 repos · 21 files · 46419 LOC
Depth 65 · HIGH
Apache Kafka Recurring
MESSAGE_BROKER · 2/29 repos · 14 files · 1994 LOC
Depth 88 · HIGH
GORM Recurring
LIBRARY · 2/29 repos · 13 files · 1010 LOC
Depth 62 · HIGH
JavaScript Core
LANGUAGE · 8/29 repos · 13 files · 1054 LOC
Depth 70 · HIGH
npm Core
BUILD_TOOL · 13/29 repos · 13 files · 130 LOC
Depth 80 · HIGH
TOML Core
LANGUAGE · 5/29 repos · 13 files · 294 LOC
Depth 70 · HIGH
Gin Recurring
FRAMEWORK · 3/29 repos · 12 files · 860 LOC
Depth 66 · HIGH
SQLAlchemy Emerging
LIBRARY · 1/29 repos · 12 files · 435 LOC
Depth 74 · HIGH
Shell Core
LANGUAGE · 7/29 repos · 12 files · 1453 LOC
Depth 70 · HIGH
debug Core
LIBRARY · 5/29 repos · 12 files · 1364 LOC
Depth 49 · HIGH
Dockerfile Core
LANGUAGE · 10/29 repos · 12 files · 778 LOC
Depth 70 · HIGH
Fiber Recurring
FRAMEWORK · 3/29 repos · 11 files · 710 LOC
Depth 66 · HIGH
Vue Emerging
LANGUAGE · 1/29 repos · 11 files · 523 LOC
Depth 70 · HIGH
Echo Recurring
FRAMEWORK · 3/29 repos · 10 files · 689 LOC
Depth 66 · HIGH
RabbitMQ Emerging
MESSAGE_BROKER · 1/29 repos · 10 files · 902 LOC
Depth 88 · HIGH
Mockito Emerging
TESTING · 1/29 repos · 10 files · 772 LOC
Depth 53 · HIGH
Spring Boot Recurring
FRAMEWORK · 3/29 repos · 9 files · 756 LOC
Depth 66 · HIGH
Go Modules Core
BUILD_TOOL · 8/29 repos · 8 files · 80 LOC
Depth 80 · HIGH
NestJS Emerging
FRAMEWORK · 1/29 repos · 7 files · 140 LOC
Depth 96 · HIGH
Zod Recurring
LIBRARY · 2/29 repos · 7 files · 388 LOC
Depth 65 · HIGH
XML Core
LANGUAGE · 4/29 repos · 7 files · 865 LOC
Depth 70 · HIGH
FastAPI Emerging
FRAMEWORK · 1/29 repos · 7 files · 250 LOC
Depth 74 · HIGH
Prometheus Recurring
OBSERVABILITY · 2/29 repos · 6 files · 843 LOC
Depth 66 · HIGH
Next.js Recurring
FRAMEWORK · 2/29 repos · 6 files · 1310 LOC
Depth 66 · HIGH
Serde Recurring
LIBRARY · 2/29 repos · 5 files · 812 LOC
Depth 70 · HIGH
PowerShell Core
LANGUAGE · 4/29 repos · 5 files · 868 LOC
Depth 70 · HIGH
Gorilla Mux Emerging
LIBRARY · 1/29 repos · 5 files · 327 LOC
Depth 81 · HIGH
Maven Core
BUILD_TOOL · 4/29 repos · 4 files · 40 LOC
Depth 80 · HIGH
Zap Emerging
OBSERVABILITY · 1/29 repos · 4 files · 276 LOC
Depth 74 · HIGH
Pydantic Emerging
LIBRARY · 1/29 repos · 4 files · 135 LOC
Depth 70 · HIGH
Vite Core
BUILD_TOOL · 4/29 repos · 4 files · 68 LOC
Depth 47 · HIGH
Vitest Recurring
TESTING · 3/29 repos · 4 files · 119 LOC
Poetry Recurring
BUILD_TOOL · 3/29 repos · 3 files · 30 LOC
Depth 80 · HIGH
uv Recurring
BUILD_TOOL · 3/29 repos · 3 files · 30 LOC
Depth 80 · HIGH
JJWT Recurring
SECURITY · 3/29 repos · 3 files · 237 LOC
Depth 58 · HIGH
pnpm Recurring
BUILD_TOOL · 3/29 repos · 3 files · 30 LOC
Depth 80 · HIGH
Express Emerging
FRAMEWORK · 1/29 repos · 3 files · 61 LOC
Depth 66 · HIGH
Testify Emerging
TESTING · 1/29 repos · 3 files · 669 LOC
Depth 45 · HIGH
Playwright Emerging
TESTING · 1/29 repos · 2 files · 72 LOC
Depth 62 · HIGH
Cargo Recurring
BUILD_TOOL · 2/29 repos · 2 files · 20 LOC
Depth 80 · HIGH
Socket.IO Emerging
LIBRARY · 1/29 repos · 2 files · 252 LOC
Depth 62 · HIGH
Tokio Emerging
LIBRARY · 1/29 repos · 1 files · 1583 LOC
Depth 58 · HIGH
Axios Emerging
LIBRARY · 1/29 repos · 1 files · 31 LOC
Depth 50 · HIGH
Supertest Emerging
TESTING · 1/29 repos · 1 files · 21 LOC
Depth 25 · HIGH
go-playground/validator Emerging
LIBRARY · 1/29 repos · 1 files · 16 LOC
Depth 44 · HIGH
Bytes Emerging
LIBRARY · 1/29 repos · 0 files · 0 LOC
Tokio Test Emerging
TESTING · 1/29 repos · 0 files · 0 LOC
Apache Commons Recurring
LIBRARY · 2/29 repos · 0 files · 0 LOC
Uvicorn Emerging
LIBRARY · 1/29 repos · 0 files · 0 LOC
Tracing Emerging
OBSERVABILITY · 1/29 repos · 0 files · 0 LOC
Jinja2 Emerging
LIBRARY · 1/29 repos · 0 files · 0 LOC
Clap Recurring
LIBRARY · 2/29 repos · 0 files · 0 LOC
Jest Emerging
TESTING · 1/29 repos · 0 files · 0 LOC
Tailwind CSS Emerging
LIBRARY · 1/29 repos · 0 files · 0 LOC
Testing Library Emerging
TESTING · 1/29 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 14
Commits 3910
Owner authored 98%
PRIMARY PROFILE — HR VIEW
BackendGo · Markdown · TypeScriptHigh ownership
In 30 sec: direction — backend, core — Go · Markdown · TypeScript, 29 repos 2023 — 2026. No LOC or files — stability only.
DEVELOPER SIGNATURE
GoMarkdownTypeScriptJavaSpring FrameworkHigh ownership
TECHNOLOGY EVOLUTION
2023
JavaScript · React
2024
TypeScript · Next.js
2025
TypeScript · PostgreSQL
2026
TS + Next
COMMUNITY / IMPACT not a skill rating
Stars 18
Forks 3
Watchers 2
EVERYTHING ABOVE IS TRACEABLE
29 repositories · 3910 commits · 4578 files · 346 evidence
Absence of a technology in the passport does not imply lack of experience