
Hello! I'm Lee, a full-stack engineer who loves crafting software solutions that make a difference. I enjoy building intelligent, data-driven systems that elevate human experience and empower people to achieve more.
RAG-based chatbot powered by Groq, Llama, HuggingFace, Pinecone, Python, FastAPI, LangChain + LangSmith
Recent Projects

Drove Measurable Gains in User Activation at Stash
Led the technical implementation of DAG-based onboarding experiments, partnering across product and design to achieve the largest percentage gains in activation to date.
- PostgreSQL
- GoLang
- Node.js
- Directed Acyclic Graph
- A/B Test
- TypeScript
- React
- Vite
- Playwright
- Figma
- Mixpanel

RAG-based chat app ✨
I engineered a personalized AI assistant that enables recruiters to explore my qualifications. Go ahead and try it out in the footer👇
- Python
- FastAPI
- RAG
- Llama4
- Groq Cloud
- Pinecone
- LangChain
- LangSmith
- Hugging Face transformers

Sci-Guard: Saving science one word at a time with GenAI ✨
I developed this free AI tool that scans grant proposals for banned words and rewrites sentences using OpenAI's GPT-4.1-mini.
- Python
- FastAPI
- ntlk
- spaCy
- GPT-4.1-mini
- OpenAI
- Hugging Face
- Docker
- AWS
- React

Stash AI Money Coach
Brought award-winning AI-powered Money Coach to life on web. Fine-tuned GPT agents help consumers build healthy financial habits.
- OpenAI
- Python
- FastAPI
- HTTP Streaming
- React
- Vite
- TypeScript
- A/B Test

Versatile Event Hubs
Developed a unified BFF API and UI to support event hubs for 25+ sports.
- Node.js
- Nest.js
- BFF
- SSR
- A/B Test
- Server Driven UI
- Storybook
- TypeScript
- Jest
- Cypress

Athlete Profiles
Built full stack pipeline for ingesting & displaying sport data on expertly crafted athlete profiles.
- TypeScript
- SEO
- Node.js
- Nest.js
- Firestore
- NoSQL
- Storybook
- SSR
- Redis
- CDN
- A/B Test
- Jest
Flight Tracker
Developed Flight Tracker, the most feature and data rich application for globally tracking and managing private jets.
- Geological Mapping
- MapBox
- Geometry
- Typescript
- SaaS
- Data Feeds
- Map Projection
My skills
- TypeScript
- Nest.js
- Fastify
- Git
- Python
- FastAPI
- OpenAI
- Ollama
- Hugging Face
- Transformers
- GenAI
- LangChain
- RAG
- HTML
- CSS
- JavaScript
- Next.js
- React
- Vite
- Redux
- Zustand
- Node.js
- A/B Testing
- Segment
- Mixpanel
- Analytics
- Terraform
- Docker
- CI/CD
- Jest
- Playwright
- Cypress
- Supertest
- NoSQL
- SQL
- Drizzle ORM
- Postgres
- Redis
- Firebase
- API Design
- Http Streaming
- C#
- Performance
- Caching
- Discoverability
- Monitoring & Alerting
- DX
- AWS
- GCP
My experience
Staff Software Engineer at MANTL/Alkami
New York & Texas
Helping small, community-based financial institutions modernize and grow via an award-winning account origination platform.
Nov 2025 - PresentSenior Software Engineer IV at Stash
New York, NY
Built the future of finance for everyday people with the help of a robust AI system!
Jan 2024 - Nov 2025Enrolled in Purdue University's Applied Generative AI Program
Gained foundational knowledge of Transformer Architecture, LLMs, RAG, and the use cases for each in order to innovate. Created production-ready projects using these principles.
March 2025 - July 2025Dev Lead
Orlando, FL
As the cross-team dev lead at FloSports, I led all major initiatives for four years! I upskilled in Performance & Observability.
2019 - 2024My Consulting Business
Melbourne, FL
I ran my own consulting business for a few years. My clients were mostly local hardware startups.
2018-2019Senior Software Engineer
Melbourne, FL
My first official senior role was at Satcom Direct building full stack aviation software. I LOVED working with geospatial data and building map features!
2015 - 2018Consulting in Colorado
Denver, CO
I worked full time for a small software consulting company called Aspenware. We shipped as an agile scrum team to solve problems at various companies. Besides all the cool tech, I learned how to set customer expectations & deliver on time.
2012 - 2015Graduate Degree from FIT
Denver, CO
I earned a graduate degree from the College of Engineering while working full-time.
2009 - 2012My First Job
Satellite Beach, FL
Began my professional journey as an Application Developer on a secret 🤫 government contract. I worked mainly with relational databases and server-driven web applications.
2007 - 2012University of Florida 🐊
Gainesville, FL
Go Gators! As a student, I rebuilt my college's science library and worked at the Digital Library Center modernizing rare publications.
2003 - 2007
