Jonathan A. Rocha
Data Scientist · AI/ML Engineer · Full-Stack Web Developer
Full-Stack Web Developer and Data Scientist with over 10 years of experience designing, building, and deploying web applications and AI systems. Combines deep technical expertise in machine learning engineering, NLP, and cloud infrastructure with a strong interdisciplinary background in English and historical research. Currently pursuing an M.S. in Data Science at SMU with a focus on ensemble transformer models and sentiment-based market regime detection. Passionate about turning complex, real-world problems into scalable, data-driven solutions.
🎉What's New
Anticipating completion of M.S. in Data Science from SMU this Summer 2026
Looking towards pre-doctoral work in Data Science, Computer Science, or Mathematics
Open to new career opportunities in private industry — AI/ML Engineering, Data Science, and Full-Stack Development
Education
Master of Science, Data Science
Southern Methodist University (SMU)
Expected Graduation: August 2026 · GPA: 3.63
- Capstone: Sentiment-based market regime detection using ensemble transformer models (BERT-family + time-series methods)
- Coursework: Artificial Intelligence, Database Management Systems, Applied Statistics I & II
Master of Arts, English
Texas A&M University – Central Texas (TAMUCT)
Graduated December 2024
View Digital Diploma→Bachelor of Arts, History
Texas A&M University (TAMU)
Graduated 2004
Featured Projects
Cross-Asset Sentiment Regime Detector
SMU Capstone — An automated system for detecting market regime transitions (Risk-On/Risk-Off) through cross-asset sentiment analysis using ensemble transformer models (FinBERT + RoBERTa) and systemic stress indicators.
View Project →
HarliBot: Bilingual Municipal AI Chatbot
A production RAG-based AI chatbot for the City of Harlingen, TX. Features true bilingual support (EN/ES), 2,100+ vector-indexed chunks, and a full deployment on Vercel + AWS Lambda.
View Project →
Statistics Visualization
A collection of Mermaid diagrams visualizing complex statistical concepts for Data Science education.
View Project →
ENGL 5374 Final Project
A Vite-React website exploring Twitter's platform governance, featuring interactive diagrams.
View Project →
Blog
View All Posts →Building an AI Market Regime Detector
How I built a cross-asset sentiment regime detector using ensemble transformer models for my SMU Capstone project.
Read More →
HarliBot: Building a Bilingual AI Chatbot for Local Government
A case study on building and deploying a production RAG-based bilingual chatbot for the City of Harlingen, TX.
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From History to Data Science
My academic journey from a BA in History to an MS in Data Science.
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Combining English MA with Technical Writing
How my academic background in English has influenced my technical writing.
Read More →
Technical Skills
Development
Full-Stack Development
HTML / CSS / JavaScript
TypeScript
React / Next.js
Python
R
Data Science & ML
Machine Learning
NLP / Transformers
Statistical Analysis
Data Visualization
Cloud ML (AWS)
RAG Pipelines
Digital Marketing
SEO Strategy
Content Management
Analytics & Insights
Digital Strategy
Design & Tools
UX/UI Design
AI Technologies
Project Management
Cloud Infrastructure
Experience
Artificial Intelligence Engineer
Amazon Web Services (AWS) • April 2024 – Present
Designs, develops, and implements AI systems across various AWS product platforms. Applies ML engineering principles to optimize AI system deployments in cloud infrastructure.
- Tests capabilities of platform products and services to ensure quality and performance standards
- Provides data-driven recommendations to leadership on the continual improvement of platform products
Full-Stack Web Developer
Fullsteam Marketing • March 2016 – April 2024
Developed and maintained React-based web applications aligned with the company's digital strategy. Managed database systems and cloud infrastructure on AWS.
- Performed full front-end and back-end development using HTML, CSS, JavaScript, and Python
- Collaborated with cross-functional teams to deliver data-driven, user-centered products
Independent Web Development Contractor
Self-Employed • 2015 – Present
Delivers custom web development solutions for diverse clients across multiple industries. Specializes in React applications, responsive design, UX/UI, and content management systems.
Get in Touch
I'm always interested in connecting with fellow academics, technology professionals, and potential collaborators.