Tommy Grullón Contreras

Full-Stack Engineer

// dominican republic, do · UTC-4

Building in the open from Dominican Republic. Full-Stack Engineer.

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profile sourced from GitHub

Scouting report

Prolific full-stack builder who publishes packages

assessed from open-source footprint

Staff

79signal

Tommy is a high-volume Dominican full-stacker — 71 original repos, 312 commits last year (consistency 92, originality 100) — who publishes his own packages across TypeScript, C# and PHP. His projects skew toward architecture practice, like a travel-booking system backend and a GraphQL server example, and star traction is low (max 3★), so he reads as a productive, self-directed builder whose work still needs a marquee project to prove real-world impact.

Authorship & open source

Solo authorwrote 100% of commits on travel-booking-system-backend

10 merged PRs312 commits / yr

What they build

Frontend47%

Backend47%

Industry experience

Developer Tools
Productivity & SaaS
Gaming

Signal breakdown

Originality100

Impact67

Consistency92

Polish57

Stars

top repo 3

Original repos

1% forks

Followers

100

On GitHub

7 yr

Live demos

Activity

Active

58% stale

Publishes packages · npm

Strengths

Verified author — wrote 100% of commits on travel-booking-system-backend
10 merged pull requests
312 commits in the past year
Original builder — 71 of their own repositories
Publishes open-source packages (npm)
Frontend focus with Backend
Domain experience in Developer Tools & Productivity & SaaS

About

Full-Stack Engineer from Dominican Republic, active on GitHub with 72 public repositories and 100 followers. Explore the work and reach out on GitHub.

Skills

TypeScript
JavaScript
C#
PHP
HTML
Node
CSS
Express

Featured work

Travel Booking System Backend

Travel booking platform that enables users to search, book, and pay for flights, hotels, and tourist activities.

TypeScript

by Tommy Grullón Contreras

Graphql Server Example

A simple project using graphql

JavaScript
GraphQL
Java
Node

by Tommy Grullón Contreras

Todo App Typescript

This app is about a simple todo using typescript

HTML

by Tommy Grullón Contreras

Dotnet7 Mvc Movie

This app is about a crud of movies using ASP.NET Core Web App (Model-View-Controller).

by Tommy Grullón Contreras

Weather Api

A weather API built with Node.js that fetches real-time weather data from a third-party provider, uses Redis for in-memory caching to reduce API call…

JavaScript

by Tommy Grullón Contreras

Personal Blog

Personal blog platform with public article pages and an admin dashboard for creating, editing, and deleting posts.

by Tommy Grullón Contreras