Personal details

Nathan O.

Based in: 🇺🇸 United States

Timezone: Eastern Time (US & Canada) (UTC-4)

Technical skills

Top 3 skills

PHP・10 yrs Python・10 yrs Go・3 yrs

Other skills

JavaScript・10 yrs Symfony・10 yrs HTML/CSS・10 yrs MySQL・10 yrs Docker・5 yrs AI Chatbot・1 yr RESTful API・10 yrs

About

I'm a veteran software engineer with almost two decades of professional experience. I'm skilled in PHP, Python, Golang, and Javascript. I have a passion for solving problems through code and am always excited to learn new skills. I'm looking for an opportunity that allows me to focus on what I do best!

Work Experience

AI Software Engineer

Contextual Code | Apr 2024 - Oct 2024

Python

GPT-3

OpenAI APIs

GPT-4

Pinecone

Retrieval-Augmented Generation

Investigated different large language models to learn the best applications for each one. Models such as Open AI GPT3/4/4o, Llama 3, Claude Opus, and more.
Learned about various vector storage providers (ChromaDB, Typesense, Pgvector, FAISS, and Pinecone) used to store text embeddings and perform similarity searches.
Experimented with ways to convert various documents (DOCX, XLS, PDF, etc) to plain text and to split them in to chunks so that they could be fed in to a large language model while still maintaining important context.
Constructed a RAG (Retrieval-Augmented Generation) for Florida Department of Management Services to assist in finding information contained in a collection of 10,000+ documents.
Examined different ways to use a large language model to analyze and solve issues within a code base.

Senior Software Engineer

JazzHR / Employ Inc | Sep 2022 - Mar 2024

PHP

Angular

SOAP

SMS

Jasmine

Symfony

React

Liquibase

Automated Tests

RESTful API

Built new features and fixed bugs for a Symfony based application with an Angular and React front-end.
Implemented feature usage limit auto upgrading to allow customers to seamlessly continue using application features without having to manually initiate an upgrade process.
Upgraded and optimized e-commerce related functionality. Updated legacy SOAP API integration with new REST API integration.
Engaged with the “Text2Apply” team, a feature which allowed applicants to fill out an application via SMS. I was responsible for building a REST API client to integrate with a 3rd party SMS provider as well as extending front-end UI components with React.
Implemented in-app notification to notify customers when they received a SMS from a prospective hire. This was implemented via a webhook from a 3rd party SMS service.
Enforced 10DLC compliance by informing the user of their 10DLC status prior to performing any SMS related operation. Implemented as a modal using React and tested with the Jasmine testing framework.
Teamed up with another engineer to improve automated testing in the application. Expanded the code base to support integration testing and allow for testing against a database.
Setup database migrations through Liquibase and built fixtures to stand-up testing databases.
Worked both solo and as part of a team. Regularly paired with other engineers to solve difficult problems.
Engineered an AI based resume importer for a hack-a-thon.

Projects

AI Reporting Library

2024 | https://github.com/chompy/ai_reporter

Python

Git

Selenium

GPT-4

(WIP) Library for generating chains of reports with AI.

OncoLife Survivorship Care Plan

2019 | https://oncolife.oncolink.org/

HTML/CSS

PHP

jQuery

Redis

RabbitMQ

Symfony

Docker

JavaScript

Doctrine ORM

FHIR

Web application that helps cancer patients determine their best treatment options. It's fully customizable via a CMS and uses a logic tree like system to show determine the best options for the user.

Education

Tallahassee State College

High school diploma・Graphic Design & Multimedia Technology

Aug 2006 - May 2010