Jonathan's Resume

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RESUME.md

Jonathan Gallardo-Kerth

Full-stack software engineer specializing in enterprise-scale React applications with complex data pipelines, AWS serverless architectures, and SQL-based analytics. Expert in building cost-efficient, high-performance systems that process and display millions of rows of data through Python Lambda functions and modern CI/CD workflows.

Professional Experience

Cloud Application Developer | Portland General Electric

August 2024 - Present

Built and deployed a Vite React app with JavaScript, Material UI, custom hooks, Redux, and Axios, powered by an AI crew prediction algorithm; integrated with AWS Amplify, Cognito, S3, CloudFront, and IAM via Jenkins CI/CD.
Developed AWS Lambda functions and REST APIs for Snowflake ETL pipelines handling millions of rows on 15-min to daily intervals using CloudFormation, Snowflake tasks, pipes, and procedures.
Created an AWS Lambda to generate signed S3 URLs, reducing dispatcher clicks from 14 to 4 and saving ~30 minutes daily by streamlining screenshot uploads.
Resolved critical incidents including recovering 1M+ deleted Snowflake data rows within 2 hours as part of application support responsibilities.

Software Engineering Intern | Radical AI

March 2024 - August 2024

Created reusable, accessible React components for AI chatbot interfaces using Material UI and WCAG-compliant semantic HTML.
Standardized Jira ticket creation with user stories, acceptance criteria, and testing requirements, which reduced average ticket completion by 1 day.

Full-Stack Software Engineer | Oregonized Design Co.

June 2023 - August 2024

Built and maintained an open-source resume template using modern JavaScript, HTML5, and Tailwind CSS.
Developed accessible full-stack SPAs following W3C accessibility standards.
Consulted with clients to improve SEO and accessibility of existing websites.

Featured Projects

ClimateCue

Full-stack PWA combining OpenWeather API and custom ChatGPT backend to provide real-time weather and AI-driven outfit suggestions for premium users.
Next.js frontend with Node.js backend; Google Cloud handles authentication, data storage, and Stripe payment processing.
Deployed on Vercel with automated Git CI/CD pipelines.

Discord & Spotify Bot

Python/Flask application automating playlist creation by capturing Spotify links shared in a Discord channel and adding the songs to a Spotify playlist via API integration; deployed on Heroku.

Core Competencies

Frontend: React 18 (Hooks, Custom Hooks, Context API), JavaScript ES2025, TypeScript, Vite, Next.js 15, Redux Toolkit, Axios, HTML5, CSS, SCSS, Tailwind CSS 4, Material UI 6
Backend & APIs: Node.js 22, Python 3.13, Flask, AWS Lambda, RESTful API Design, Serverless Architecture, API Gateway, AWS Cognito, OAuth Authentication, Spotify API, Stripe Payment API, Discord API
Cloud & Infrastructure: AWS (Lambda, S3, CloudFormation, IAM, Amplify, API Gateway, DynamoDB, RDS, DMS, CloudWatch, EC2, Kubernetes), Docker, Google Cloud Platform
Data & Analytics: Snowflake (ETL, Tasks, Pipes, Procedures, Views), SQL, MongoDB, NoSQL, Data Pipeline Design
DevOps & Tools: CI/CD Pipelines, Jenkins, Git, Vercel, Heroku, ESLint, Prettier, CloudWatch Monitoring, Atlassian tools (Jira, Confluence)