Personal details

Charlie G.

Based in: 🇺🇸 United States

Timezone: Central Time (US & Canada) (UTC-5)

Technical skills

Top 3 skills

JavaScript・10 yrs TypeScript・3 yrs React・7 yrs

Other skills

Front-End・10 yrs Sass・10 yrs Node.js・7 yrs Mentoring・17 yrs Teaching・20 yrs Teaching Programming・12 yrs MongoDB・8 yrs SQL・3 yrs PostgreSQL・2 yrs Hipaa・3 yrs

About

Senior full‑stack JavaScript engineer with 15+ years of experience building and scaling cloud‑native, production systems. Deep specialization in React, Node.js, TypeScript, and applied AI engineering, including LLM integration, prompt design, and AI‑driven data workflows. Proven track record delivering enterprise SaaS platforms, modernizing front‑end architectures, optimizing cloud costs, and leading high‑impact engineering initiatives. Known for translating ambiguous business needs into simple, reliable, and scalable solutions

Work Experience

Senior AWS Full Stack Engineer

Federal Reserve Bank of Minneapolis | Mar 2026 - Present

Node.js

Git

PostgreSQL

TypeScript

React

Jest

AWS Lambda

Next.js

Prisma

AWS

• Drive hands-on, end-to-end feature development for a critical cloud migration project, rebuilding a legacy application into a high-performance, cloud-native architecture on AWS. • Own full-stack feature delivery, utilizing expertise in TypeScript and Node.js on the backend and leveraging Next.js and React for modern, responsive frontend development. • Spearhead frontend contributions, focusing on high-visibility features, UI/UX implementation, and ensuring a world-class user experience. • Design and implement scalable data solutions and service integrations, primarily leveraging PostgreSQL for robust data persistence. • Ensure application stability and quality by implementing and adapting automated testing frameworks, including Jest, as part of a continuous delivery pipeline. • Contribute to the deployment and operational success of the cloud-native solution, leveraging familiarity with core AWS services and foundational DevOps concepts.

Full Stack AI Engineering

Independent / Freelancing | Sep 2025 - Present

Node.js

MySQL

React

Prisma

OpenAI

Tailwind css

Vite

AI model fine-tuning

Tanstack

Ollama

Built a production‑ready AI chatbot using OpenAI GPT models with strict context‑scoping to prevent irrelevant or unsafe responses. - Designed and refined prompt strategies that materially improved answer relevance and user trust. - Developed an AI‑driven customer review summarization system using MySQL‑backed data pipelines, storing structured summaries for downstream product insights. - Created an open‑source LLM playground enabling rapid model swapping and evaluation using Hugging Face models via Ollama.

Projects

StartingGate

2018

MongoDB

Meteor

CSS3

LESS

Handlebars.js

JavaScript

- Designed and developed local Ski Resort ski school private lesson scheduling application with real-time airport-like lesson schedule displays around the ski school, scheduling conflict protection, lesson time slot limiting, recurring lesson tracking, etc. - UI/UX – Wireframes, High-fidelity mocks, UX workflows, etc. - Front End – Handlebars (dynamic HTML templating), LESS (CSS styling) - Backend – Meteor.js full stack API framework, User authentication, Node.js - Database – Designing and implement No-SQL database (MongoDB)

Education

University of Wisconsin–Stout

Bachelor's degree・Technology Education w/ emphasis in Telecommunications

Sep 1997 - May 2001