Hello, my name is Khang Vo.
I build innovative solutions through code.
Full stack developer with industry experience building web applications.
Currently, I'm crafting exceptional digital experiences for members, customers, and health advisors at Pack Health - A Quest Diagnostics company.
Ready to Elevate Your Next Project!
I specialize in JavaScript/TypeScript and have a strong professional background in Angular, SQL, HTML, CSS, Salesforce, and AWS.
Additionally, I'm well-versed in other programming languages and tools such as Java, Python, Node.js, and React. Continuously expanding my skill set, I'm always adding new capabilities to my repertoire.
Recent Projects
Empowers users to monitor and control home temperature, manipulate sensors wired to appliances through the UI, and track utility costs and usages via interactive tables and graphs, all powered by mock data. An innovative glimpse into efficient home management.
- React
- Material UI
- Express
- PostgreSQL
Professional Experience
Software Engineer II
- Built features for enterprise HR platform using React, TypeScript, GraphQL (Relay) in a production monorepo serving 5,000+ customers.
- Contributed to GraphQL API services using Node.js, NestJS, and PostgreSQL with Kysely query builder.
- Designed and analyzed A/B tests using Statsig feature flag platform to measure feature impact and guide product decisions.
Software Engineer I
- Developed and maintained full-stack web applications using Angular, Node.js, RESTful APIs, and PostgreSQL, supporting over 345,000 active members and improving user engagement and operational efficiency.
- Contributed to the development and deployment of 20+ Angular-based web applications, each hosted as a standalone domain or subdomain, serving both internal teams and external members.
- Architected and maintained cloud infrastructure across 500+ AWS Lambda functions, leveraging Infrastructure as Code (CloudFormation, Serverless Framework) to ensure 99.9% uptime, high availability, and fault tolerance.
- Refactored legacy codebases using object-oriented programming principles, implemented CI/CD pipelines with Bitbucket Pipelines, and applied Test-Driven Development (TDD) practices using Mocha, Chai, and Cypress—maintaining over 80% unit test coverage across core applications.
- Implemented ETL workflows to sync data from Contentful and Salesforce into PostgreSQL, enabling real-time and near-real-time data consistency across platforms. Salesforce updates are reflected in the database within seconds, while Contentful content changes sync to the database within 2 minutes, streamlining workflows and reducing manual coordination.
- Created a microservice for PDF generation using Node.js and AWS SDK that dynamically retrieves data models, generates documents, stores them in S3, and distributes secure pre-signed URLs—delivering over 1,000 personalized documents per month with near-instant access.
- Developed secure, role-based access portals for 1,000+ members and 50+ Health Advisors by integrating OAuth 2.0 authentication and authorization using AWS Cognito and Google Identity, ensuring data privacy and controlled access.
- Integrated custom UI components into Salesforce pages, utilizing Apex, Visualforce, and Lightning Web Components, enhancing the Salesforce platform's functionality and user experience for internal teams.
Let's discuss your project
Please share the details of your project. I’ll review it carefully and get back to you as soon as possible.