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Software Engineer

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About

Here is a little background

I'm Ernest Leung, a Full Stack Software Engineer specializing in JavaScript, TypeScript, React, and Node.js . My experiences range from enhancing app performance to managing complex Node.js projects and creating interactive React interfaces. I have a solid foundation in AWS serverless infrastructure, coupled with a passion for problem-solving and lifelong learning. As a collaborative team player, I strive to meet client needs and deliver successful project outcomes.

View Resume

Experience

EStack Studio

EStack Studio

Full Stack Software Engineer

Nov 2022 – Present

React
TypeScript
Puppeteer
Tailwind
NodeJS
AWSCDK
AWSS3
AWSLambda
GoogleApi
  • Created a responsive invoice app with React and html2canvas, reducing generation time by 80% and offering extensive customization options.
  • Automated form submissions and email data parsing, achieving 80% faster submissions, 95% data accuracy, and halving processing time. Streamlined cloud resource management and deployment with AWS CloudFormation and CDK V2, boosting security and response times by 20% through strategic AWS IAM and API Gateway configurations.
OS Labs

OS Labs

Software Engineer I

Jan 2022 – Nov 2022

React
Redux
TypeScript
Tailwind
NodeJS
Electron
NextJS
Sequelize
PostgreSQL
MongoDB
  • Engineered a secure, cross-platform application with Electron and React, enhancing OS compatibility and user-facing features. Integrated WebSocket for improved network traffic and real-time updates. Deployed a fast, user-friendly landing page with AWS Amplify and NextJS.
  • Architected a scalable backend for a real-time IoT application. Enhanced database interactions and security, and improved codebase maintainability with a database models abstraction layer. Optimized module fetching and caching with ESbuild plugins, improving loading and transpiling times. Validated functionalities through automated testing.
Stan Group, Gear Financial

Stan Group, Gear Financial

Research Analyst

Jan 2020 – Jun 2021

Excel
VBAMacros
PowerBI
  • Automated tasks and boosted efficiency by developing VBA macros, halving processing time, and minimizing data entry errors to 5% through custom Excel functions. Utilized Power BI for interactive tracking of key performance indicators across 500+ properties.

Skills

Hover over a skill for current proficiency

JavaScript

95%

TypeScript

80%

React

90%

Node.js

85%

Express

85%

PostgreSQL

70%

MongoDB

70%

Tailwind

80%

Git

80%

HTML

80%

CSS

75%

AWS Lambda

70%

AWS S3

70%

AWS Dynamodb

70%

Jest

80%

Puppeteer

80%

Projects

GhostWriter AI

Space Finder is a secure online platform for photo storage, organization, and sharing. It simplifies photo management with features like uploading, geotagging, and album curation. Ideal for individuals, families, photographers, and travelers, it combines user-friendliness with robust sharing capabilities for digital memory preservation.

Additionally, Space Finder offers flexibility in deployment, allowing users to establish their own AWS instance, personalize it with a domain, and create a user pool for enhanced control. It's a go-to solution for reliable, customized digital photo management.

ghostWriterAI

Contact

Please don't hesitate to reach out

ernestleung14@gmail.com

+1 (626) 818-3659

United States