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About Me

I'm Douglas Alvarino — a product developer and cybersecurity student with over three years of hands-on experience in software engineering, specializing in Python, JavaScript, and AI training systems. My background combines technical support, agile development, and real-world application of data analysis to drive both product quality and user engagement. From building Elo-based sports analytics tools to contributing to open-source machine learning projects, I'm passionate about delivering innovative solutions that bridge data and usability. With a strong foundation in troubleshooting, project management, and secure systems, I'm committed to evolving as a developer who builds resilient, intelligent, and user-focused technology.

Rust Systems

I develop high-throughput backend systems in Rust using Axum, implementing features such as API response caching, asynchronous task orchestration, and multithreaded data pipelines.

AI & Tooling

Engineered machine learning–powered developer tools, including an AI-driven Neovim plugin leveraging LLMs for contextual code understanding and inline diff visualization.

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Experience

Junior Software Engineer

EOS Fitness, Tampa, FL
Implemented automated SMS/email reminders that increased client return rates by 25%
Drove 15% boost in event attendance through multi-channel outreach strategies
Reduced scheduling complaints by 40% by optimizing calendar software usage
Created goal-specific programs that led to 80+ client sign-ups in Q1 2025
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Skills

Programming

Python 90%
Used in: EloSystem, SMS Automator
JavaScript 85%
Used in: AI Trainer, Portfolio
TypeScript 75%
Used in: SwipeToAdopt
Rust 80%
Used in: SwipeToAdopt
C 70%
Used in: Systems Programming

Tools & Frameworks

React 85%
Used in: SwipeToAdopt, AI Trainer
Firebase 80%
Used in: AI Trainer
PyTorch 75%
Used in: EloSystem
Git 90%
Used in: All Projects

Soft Skills

Agile 85%
Applied in: Team Projects
Project Management 80%
Applied in: All Projects
Problem Solving 90%
Applied in: All Projects
AI Training 75%
Applied in: EloSystem

Highlighted Projects

SwipeToAdopt

A Rust + React pet adoption app with Tinder-style UI used by 50+ users during pilot.

  • Rust
  • React
  • Axum
  • Petfinder API
  • Infinite Scrolling
Visit Site

AI Trainer

Gamified fitness dashboard that boosted retention 30% with task leveling.

  • React
  • Firebase
  • Auth
  • Gamification
  • Leveling UX
View GitHub

EloSystem

ML-powered Elo ratings with 72% prediction accuracy across 1,500+ MLB games.

  • Python
  • PyTorch
  • Matplotlib
  • Elo Algorithms
  • ML Model Tuning
View GitHub

SMS Automator

Automated 500+ reminders using Python scripts, saving 20+ hours/month.

  • Python
  • Twilio API
  • CRON Jobs
  • Text Templates
  • Async Scheduling

Projects

SwipeToAdopt

Tinder-style pet adoption app using Rust + React.

Rust + React 532 2

EloSystem

calculates elo for teams in the MLB

Python 2 0

Vimurai

AI-powered code assistant for Neovim — inline suggestions, refactoring, and explanations using OpenAI GPT. Like Cursor, but for Vim.

Lua 2 0

AI_Trainer

AI TRAINER FOR WORKOUT ROUTINE

TypeScript 1 0

AspireVenom

No description provided.

1 0

binarytrees

binary tree simulation

Python 1 0

Chess_Engine

A simple terminal-based chess engine written in Rust. It initializes a standard 8x8 chessboard, lets the user play as White by entering moves in algebraic notation (e.g., e2 e4), and responds with an automatic move from a basic evaluation-based engine playing as Black. The board is printed after each move, and legality checks are enforced.

Rust 1 0

dotfiles

NEOVIM config :)

Lua 1 0

nvim_config

my dotfiles for neovim :)

Lua 1 0

python_calculator

A simple calculator in python

Python 1 0

website

website files :)

EJS 1 0

Algorithm

a algorithm for randomly making extensoins and roads ect.

0 0

Budget-Tracker

Python CLI that tracks your budget

Python 0 0

C-texteditor

A text editor in C

C 0 0

c56de3

solution:)

TypeScript 0 0

Keylogger_nim

key logger that stores key strokes with nim

Nim 0 0

Screeps

No description provided.

0 0