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mojodean/README.md

Hello! I'm Dean P. Simmer

My pronouns are he/him. Feel free to call me Dean. 😊

About Me

I have a full time career in software engineering leadership. I recently completed a Master of Science in Applied Artificial Intelligence at the University of San Diego. I've got a background in technology and a few other degrees that have shaped how I think about technical and ethical problems in the world today.

🌱 Education

  • M.S. in Applied Artificial Intelligence (University of San Diego) β€” AlcalΓ‘ 100 Honoree
  • M.A. in Religion with a focus on Church History & Theology (Trinity Episcopal)
  • B.A. in History (Hillsdale College)

πŸ”­ Work

I am a Vice President of Engineering at Rocket, based in Detroit, Michigan, where I lead the engineering teams behind our digital client experiences β€” from the first unauthenticated visit through qualification, application, and mortgage origination. My teams ship web and AI/chat products at scale, powered by cloud infrastructure on AWS, with a focus on continuous delivery, reliability, and engineering excellence. I'm deeply invested in advancing agentic engineering workflows β€” building a culture where AI is a first-class partner in how we design, write, and ship software.

Previous Projects

  • πŸ§‘β€πŸ’» Multi-Disease Outbreak Forecasting with Temporal Deep Learning (M.S. Capstone)

    • Goal: Build a temporal deep learning system to forecast multiple infectious disease outbreaks using Canadian public health surveillance data.
    • Tech Stack: Python, Jupyter Notebook, LSTM, Transformer, ARIMA, Pandas, NumPy, Matplotlib
    • Outcome: Developed and evaluated multiple forecasting models across diseases including influenza and whooping cough, with geographic gap analysis validating model performance against PHAC reporting patterns.
    • GitHub Repository
  • πŸ§‘β€πŸ’» Cloud Resume Challenge

    • Goal: Build and deploy a simple HTML/CSS website with cloud resources and IAC.
    • Tech Stack: Lambda, DynamoDB, S3, CloudFront, Route53, and API Gateway.
    • Outcome: Learned and demonstrated execution in a handful of AWS services, as well Hashicorp's Cloud Platform and GitHub Actions workflows.
    • GitHub Front End GitHub Back End
  • πŸ§‘β€πŸ’» VenueSignal

    • Goal: Build, train, and deploy a fully-operational MLOps system. The model was trained on the Yelp Open Dataset to predict the impact of parking accessibility on new businesses in urban settings.
    • Tech Stack: Python, SageMaker, Xgboost, S3, Athena, CloudWatch.
    • Outcome: Feature store with 36 features deploys a robust model that includes model drift improvements based on real time monitoring and drift feedback.
    • GitHub Repository
  • πŸ§‘β€πŸ’» Computer Vision for Reptile Detection

    • Goal: Build and Train a model to detect different species of reptiles in images
    • Tech Stack: Python, PyTortch & Ultralytics YOLOv10, BioTrove-CLIP, Numpy, ImageHash, OpenCV
    • Outcome: Model can match to 60% accuracy some 531 reptile species found in the BioTrove dataset.
    • GitHub Repository
  • πŸ§‘β€πŸ’» Intelligent Investment Research Agent

    • Goal: Implement an agentic workflow with prompt chaining to deliver a self-improving financial news agent.
    • Tech Stack: Python, LangChain, LangGraph, OpenAI
    • Outcome: Agent can retrieve news and stock price information about publicly traded comapnies, including providing sentiment analysis of news coverage and stock price trends.
    • GitHub Repository
  • πŸ§‘β€πŸ’» MIDI Detection System for Identifying Classical Music Composers from Sound Bites

    • Goal: Implement LSTM and CNN against a Kaggle MIDI dataset to correctly identify four major classical composers
    • Tech Stack: Python, CNN, LSTM
    • Outcome: models performed reasonably well for the example, but real advancements are needed to detect more composers at scale.
    • GitHub Repository
  • πŸ§‘β€πŸ’» Forcasting the Unemployment Rate for the San Diego Metropolitan Statistical Area

    • Goal: Implement a model leveraging Bureau of Labor Statistics Unemployment Data to forecast future unemployment rates.
    • Tech Stack: Python, numpy, Pandas, ARIMA, DeepAR
    • Outcome: DeepAR model outperformed other models, but isn't necessarily the best use case for it. Additional economic and geopolitical factors are likely needed to effectively build out a production-grade model.
    • GitHub Repository
  • πŸ§‘β€πŸ’» Smart Home Energy Consumption Anomaly Detection and Forecasting

    • Goal: Design an IoT system that can detect energy consumption anomalies in a smart home.
    • Tech Stack: Python, Jupyter Notebook, Keras (Tensorflow)
    • Outcome: Deep learning autoencoder was used for anomaly detection, and an LSTM model was used to predict future energy consumption with 99.84% accuracy in its predictive trends across seven days.
    • GitHub Repository
  • πŸ§‘β€πŸ’» Predicting Emotion From Speech With A Speech Emotion Recognition (SER) Model

    • Goal: Identify and implement a model to detect emotional states in speech.
    • Tech Stack: Python, Jupyter Notebook, scikit-learn, librosa, TensorFlow
    • Outcome: HuBERT Enhanced and CNN-LSTM Enhanced models both produced greater than 90% accuracy, with CNN-LSTM Enhanced achieving an accuracy rate of 98%.
    • GitHub Repository
  • πŸ§‘β€πŸ’» Predicting Obesity: How Lifestyle and Dietary Factors Shape Weight Outcomes

    • Goal: Identify and implement a model to aid early-detection models for obesity.
    • Tech Stack: Python, Jupyter Notebook, scikit-learn, numpy, Pandas
    • Outcome: Random Forest Modeling was trained and evaluated against the dataset and found to be the most predictive, at effectively 94% accuracy, of detecting correlative effects of obesity.
    • GitHub Repository
  • πŸ“ Towards a Christian Ethical Framework for Artificial Intelligence

    • 2019 (unpublished)
    • Capstone Research Project for Master of Arts in Religion (Church History & Theology).
    • Focused on how a Christian ethical understanding of humanity might inform a perspective on artificial intelligence. This project looked specifically at the lens of how evangelical theology has a very narrow perspective on human identity and, as a result, cannot speak effectively in response to artificial intelligence.

πŸ’¬ Contact

πŸ“« Reach me via email or on LinkedIn if that's your preference.

🧰 Languages & Tools

AWS Python Pandas scikit-learn SciPy NumPy Matplotlib Jupyter Notebook PyTorch Terraform GitHub Actions

πŸ“Š GitHub Stats

GitHub Stats Top Languages

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  1. crc-exercise-frontend crc-exercise-frontend Public

    CSS

  2. VenueSignal VenueSignal Public

    Forked from omarsagoo/VenueSignal

    Jupyter Notebook