Jefferson Abreu Martinez

Full-Stack Engineer

// dominican republic, do · UTC-4

I work with technologies such as C#, Python, React, and DevOps. My projects include advanced we…

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profile sourced from GitHub

Scouting report

C#/.NET backend dev building auth + scraping APIs

assessed from open-source footprint

Principal

73signal

Jefferson is a backend-leaning .NET engineer (C#, ASP.NET, Entity Framework) with the most concrete product ideas in the group: KuhakuAPI, a streaming-aggregation scraping API (6★), and Shōmei, a reusable JWT authentication system (3★). A 10-year account with the lowest abandonment of the full-stack devs here (45%) and strong consistency (82). A solid .NET backend hire for API and auth work.

Authorship & open source

Solo authorwrote 100% of commits on KuhakuAPI

159 merged PRs108 commits / yr1 external project303 private contributions / yr

Contributes to

KodexaDo/.github0★

What they build

Backend52%

Game Dev20%

Frontend19%

Industry experience

Fintech & Payments
Security & Identity
Developer Tools

Signal breakdown

Originality84

Impact77

Consistency87

Polish34

Stars

top repo 6

Original repos

23% forks

Followers

On GitHub

10 yr

Live demos

Activity

Active

45% stale

Strengths

Verified author — wrote 100% of commits on KuhakuAPI
159 merged pull requests
Original builder — 20 of their own repositories
Ships to production — 3 live demos
Backend focus with Game Dev
Domain experience in Fintech & Payments & Security & Identity
Core stack: C#, TypeScript, Kotlin, HTML

About

I work with technologies such as C#, Python, React, and DevOps. My projects include advanced web scraping integrations and tools to improve development. — 26 public repositories and 25 followers on GitHub.

Skills

C#
TypeScript
Kotlin
HTML
Python
Java
ASP.NET
Entity Framework

Featured work

KuhakuAPI

KuhakuAPI is a web scraping-based API designed to provide users with access to their favorite series and movies through seamless integration with pop…

C#
ASP.NET
Entity Framework
Movies
Series

by Jefferson Abreu Martinez

Shomei Auth

Shōmei is a JWT-based authentication system designed to help projects implement authentication quickly, securely, and with support for multiple profi…

C#
Access Control
Api
Auth System
Authentication

by Jefferson Abreu Martinez

Bidehan

Bidehan is a lightweight and efficient .NET library designed for scraping video streaming websites like fembed, streamvideo, and similar platforms. I…

C#
Direct Link
Download
Fembed
Media

by Jefferson Abreu Martinez

Kizuna Social Network

Kizuna-Social-Network is a social networking platform developed with a modern focus on privacy and real-time communication. The project uses C# .NET…

TypeScript
Docker
End To End Encryption
Identity
Net8

by Jefferson Abreu Martinez

ProjectsDocs

Just a Repo with all my repo documentation pages, made with docusaurus

TypeScript

by Jefferson Abreu Martinez

Pokedex

Tarea :p

by Jefferson Abreu Martinez