Alexander McGarity

Software Engineer | Full Stack Developer | Flutter Specialist

Software engineer with experience building full-stack applications and high-performance APIs. Proven ability to develop scalable systems, improve performance, and deliver measurable impact in production environments.

Houston, TX  ·  amcgarity123@gmail.com

View My Work About Me Download Resume

Featured Projects

CodeArena

Full-Stack Competitive Coding Platform

LeetCode-style platform with a Monaco editor, real-time WebSocket verdicts, a sandboxed C++ judge, and an Angular admin panel — all backed by a Go API and PostgreSQL.

React Go C++17 PostgreSQL WebSockets
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Materialist

Cross-Platform Application

A comprehensive Flutter application for automated material verification. Enables teams to track deliveries in real-time, manage inventories, and coordinate across platforms seamlessly.

Flutter Dart Firebase Firestore
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EFCoreLint

.NET Roslyn Analyzer

Roslyn diagnostic analyzer that catches EF Core anti-patterns at compile time. Published to NuGet with 3 diagnostics and code fixes — zero runtime overhead.

C# Roslyn NuGet EF Core
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Experience

Software Engineer

Jul 2024 – Sep 2025

CACI International – NASA Johnson Space Center · Houston, TX

  • Designed, developed, and maintained full-stack web and database applications on C#/.NET with Entity Framework against SQL Server, supporting NASA's Lunar Gateway Data Production Environment.
  • Built and optimized data models and REST APIs handling thousands of transactions per day, improving throughput 20–30% through Entity Framework query tuning and endpoint refactoring.
  • Built responsive front-end features with AJAX calls against .NET REST endpoints.
  • Collaborated with a cross-functional team of 10–15 engineers to deliver biweekly software iterations aligned with Artemis mission milestones.
  • Implemented secure authentication and authorization (OAuth, SAML) and supported CI/CD pipelines using GitLab.
  • Conducted testing across 50+ system modules, achieving 100% line coverage and compliance with NASA/JSC standards.

Web Developer

Jan 2022 – Sep 2022

Sam Houston State University · Huntsville, TX

  • Developed interactive UI components using JavaScript, HTML, and CSS, increasing user engagement by 20%.
  • Improved web application performance, reducing page load times by 15% through optimization and debugging.

Technologies I Use

Languages

Python, Java, JavaScript, C#, C++, C, Dart, PHP, SQL, HTML, CSS

.NET & Web APIs

ASP.NET, Entity Framework, REST APIs, Web API, AJAX

Flutter

Cross-platform mobile and web development

Databases

Microsoft SQL Server, MySQL, SQLite, Firebase/Firestore

Tooling

Git, GitHub, GitLab, CI/CD, Agile SDLC

Front-End

jQuery, WordPress, WebCMS, ZURB Foundation

Education & Certifications

Education

Sam Houston State University

Bachelor of Science in Software Engineering

GPA: 3.7 — Graduated with Honors

Certifications

  • Google AI Essentials — Google (May 2026)
  • Claude Code in Action — Anthropic (May 2026)
  • Claude 101 — Anthropic (May 2026)
  • JavaScript Practice: OOP — LinkedIn (Apr 2024)
  • Code Foundations Skill Path — Codecademy (Dec 2023)
  • Learn C++ & Learn Python 2 — Codecademy (Jun 2019)

Get In Touch

Interested in my work or want to collaborate? I'd love to hear from you.