Jose Esparza

Trujillo, Peru · UTC-5

Missy

Missy

Production work

Most of what I ship at work is closed-source: production LLM agents, RAG pipelines, fine-tuned models and data infrastructure across fintech, edtech and retail. My resume has names, dates and outcomes.

Open-source projects

MLJ.jl—A Julia machine learning framework.
DearDiary.jl—A machine learning experiment tracking tool for Julia.
MichiBoost.jl—CatBoost implementation in Julia.
MLFlowClient.jl—A Julia client for MLflow.
ARP.jl—Auto-Rotating Perceptrons in Julia.
pluto-design-system—CSS framework styled in the Pluto.jl aesthetic.
missyhud.prx—A PSP HUD plugin, written in C.
proton-ge-manager—Painless proton-ge installation for Steam Deck/Linux.

More in my Github Profile.

Notebooks

I rebuilt some classic Python notebooks in Julia using Pluto.jl for the reactive UX. Pick a topic.

MLOps & Lifecycle Management

MLOps in Julia: Experiment Tracking and Lifecycle Management with MLFlow

High-Performance Computing & GPU Programming

Hardware-Agnostic AI: Implementing Online Softmax with KernelAbstractions
High-Performance Deep Learning: Custom GPU Kernels for Softmax Operations

Deep Learning Architectures

Computer Vision Fundamentals: Image Classification Architectures with Flux.jl
Deep Learning for Education Analytics: Student Performance Classification
Explicit Parameter Neural Networks: Regression Modeling with Lux.jl

Data Engineering & Scalable Processing

High-Performance Data Engineering: Multi-Threaded Audio Processing in Julia
Scalable Audio Preprocessing Pipelines for Machine Learning

Applied Machine Learning & Data Science

Comparative Modeling and Pipeline Construction with the MLJ Framework
Data-Driven Wealth Management: Identifying Investor Archetypes via K-Means
Geospatial Data Analysis: Exploratory Analysis of Peruvian Seismic Catalogs

Service

REPU Seminar 2026 Judge—Evaluated undergraduate research presentations for the Research Experience for Peruvian Undergraduates. April 2026.
IEEE Intercon 2024 Reviewer—Reviewed conference paper submissions for technical accuracy and originality. July 2024.