A few of my creative endeavors.

Curious to see my work?

E-commerce Store Demo

A modern e-commerce store built with Next.js, TypeScript, and Tailwind CSS. This project demonstrates a fully functional e-commerce platform with features like product browsing, cart management, user authentication, and secure payments!

Vacation Tracker App

Using Java, Room Framework (SQLite Database) + Android SDK (Version 34) & Gradle Build System. This application helps you organize your future vacations and excursions with a beautiful, user-friendly interface.

ResumeAI

ResumeAI is a sophisticated AI-powered platform that optimizes resumes for ATS systems and helps employers identify qualified candidates. Built with FastAPI, Next.js, React, TypeScript, and Hugging Face NLP models, it delivers precise skill matching and objective qualification assessment through an elegant, enterprise-ready interface.

Human Performance Engineering

From coaching and body recomposition to data-driven fitness systems — here's how I help people engineer physical transformation.

"Fitness is just another system — and systems can be engineered."

Transformation Results

Client transformation - body fat reduction

Client lost 40 lbs in 6 months using performance-based tracking

7% decrease in body fat percentage

Client transformation - strength and endurance

Gained significant strength and endurance through systematic programming

Data-driven progressive overload

Client transformation - body recomposition

Achieved lean body recomposition with precision nutrition tracking

Shredded body fat while maintaining muscle mass

Coaching Systems & Methods

Systems-Based Fitness Planning

Structured, progressive programs designed around individual goals, movement patterns, and performance metrics. Every plan is engineered for measurable outcomes.

Real-Time Tracking + Client Analytics

Data-driven insights through performance tracking, body composition analysis, and progress monitoring. Real-time feedback loops for continuous optimization.

Nutrition Programming

Evidence-based meal planning and macro optimization tailored to performance goals. Sustainable nutrition strategies that fuel both training and recovery.

Data-Backed Habit Reinforcement

Behavioral science meets fitness tracking. Systematic habit formation through quantified feedback, accountability systems, and iterative refinement.

Tech-Assisted Coaching

Leveraging apps, automation, and feedback loops to scale personalized coaching. From workout tracking bots to nutrition logging systems, technology amplifies human performance.

Want to know more?

A bit about me.

I am . . .

01

a systems engineer

I hold a Master's in Computer Science and a Bachelor's in Software Engineering from WGU. My experience spans distributed systems, AI infrastructure, automation, and full-stack development — as well as years of work in performance coaching and fitness technology. I bridge tech and human systems to build optimized, data-driven experiences in both.

02

a problem solver

Building and engineering software solutions allows me to channel my creativity while tackling complex challenges. I thrive on solving problems through innovative design and development, constantly learning new technologies and refining my skills. I enjoy creating seamless, high-performance applications that enhance user experiences and drive efficiency.

03

an excellent communicator

Effective communication is essential to successful software development, and I prioritize transparency and collaboration in every project. I believe in clear, constructive discussions that foster strong teamwork and drive productivity. By maintaining open communication, I build meaningful professional relationships and contribute to a more efficient and cohesive work environment.

The Complete Package

	Candidate #1	Candidate #2	Candidate #3	Me
Dedication
Critical Thought
Interpersonal Skills
Programming Ability
Willingness To Learn

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So why not invest?

My Skills & Tech Stack

Main Coding Languages

JavaScript

Python

Java

Frontend

React

HTML & CSS

TailwindCSS

Android

Backend

Java

Spring Boot

Node.js

Databases & Storage

MySQL

PostgreSQL

Room Database

SQLite

Cloud & Dev Ops

AWS

Docker

Github Actions

Other tools

Git & GitHub

Linux & Bash Scripting

My Education & Certifications

Master of Science in Computer Science

Western Governors University

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Master of Science in Computer Science

Issuer: Western Governors University

Issue Date: November 3, 2025

Credential ID: 254Q-IKHR-J5L1

Verify via WGU

Bachelor of Science in Software Engineering

Western Governors University

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Bachelor of Science in Software Engineering

Issuer: Western Governors University

Issue Date: January 16, 2025

Credential ID: 25D6-1WUK-JGLG

Verify via WGU

High School Diploma

Penn Foster

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High School Diploma

Issuer: Penn Foster

Issue Date: January 16, 2016

Credential ID: 25D6-1WUK-JGLG

Verify via WGU

Curious to see my resume?

Download my resume to see highlights of my experience and education.

Download Resume

Jonathan Marshall

Jonathan Marshall

Systems Engineer | Applied Computer Scientist | Performance Technologist

A few of my creative endeavors.

Curious to see my work?

E-commerce Store Demo

Vacation Tracker App

ResumeAI

Human Performance Engineering

Transformation Results

Coaching Systems & Methods

Systems-Based Fitness Planning

Real-Time Tracking + Client Analytics

Nutrition Programming

Data-Backed Habit Reinforcement

Tech-Assisted Coaching

Want to know more?

A bit about me.

a systems engineer

a problem solver

an excellent communicator

The Complete Package

My Skills & Tech Stack

My Education & Certifications

Master of Science in Computer Science

Master of Science in Computer Science

Bachelor of Science in Software Engineering

Bachelor of Science in Software Engineering

High School Diploma

High School Diploma

Curious to see my resume?