Randall Christ

- Built a Metaverse platform for providing virtual space and social meeting environment
• Developed high performance customer facing web application using React, Redux, Next.js, TypeScript, HTML5, CSS3, SASS, Chart.js, D3.js and MaterialUI
• Maintained high-level expertise in React state management strategies including Redux, Redux Persist and Thunk
• Optimized frontend performance using React Virtualization and Lazy Loading
• Wrote 50+ AWS Lambda functions with Node.js & Python Serverless framework
• Setup Nginx as reverse proxy server for handling concurrent API requests
• Improved API performance using Apollo GraphQL queries and mutations
• Wrote Unit testing scripts using Jest and increased code coverage up to 75%
• Created, maintained and optimized PostgreSQL tables
• Performed authentication using OAuth2 PKCE

- Launched a Clinical Pathway Management System for automatic curing plans in general hospitals
• Developed 50+ React UI components and managed state using Redux Toolkit
• Optimized performance of data communication using Apollo GraphQL
• Built dynamic and cross-browser compatible pages using React, Next.js, GraphQL, TypeScript, HTML5, CSS3, Styled Components and Tailwind CSS
• Developed customer API layer to handle all CRUD transactions, JWT management and implemented interceptors to embed customer headers
• Designed and developed asynchronous Microservices with RabbitMQ
• Optimized MongoDB CRUD operations
• Implemented TDD using Jest framework for React along with Enzyme test utilities

- Built a Shopify | BigCommerce integrating application that can protect orders against damaged and stolen items
• Designed and wrote 40+ fully reusable React components
• Developed frontend architecture & UI elements using React, Redux, Next.js, HTML5, CSS3, MaterialUI and Chart.js
• Built 50+ AWS Lambda functions for serverless Restful APIs
• Implemented Microservices based on Node.js / Django / Express.js
• Effective use of native HTML & AMP elements and custom tags to enhance SEO optimization and application ADA compliance feature
• Performed partitioning tables of MongoDB to improve performance
• Participated in 30+ weekly code reviews to ensure code quality and system efficiency

• Designed and built 80+ reusable React components
• Setup CDN, implemented Lazy Loading and React Virtualization to improve performance
• Developed Mechanic services apps using React Native, React, Redux and Firebase
• Built AWS Lambda functions with Node.js and managed EC2, CodePipeline for project deployment
• Utilized In-memory DB (Redis) for optimizing performance of web application
• Wrote Unit | E2E testing with Jest & Cypress
• Improved API performance using Apollo GraphQL queries and mutations
• Setup virtual environment and containerization using Docker and Kubernetes

• Built cross-browser compatible and accessibility compliant websites using jQuery, JavaScript and Backbone.js
• Worked with UI/UX design teams to improve existing applications and increase conversion rates by 20%
• Performed extensive Unit | E2E testing with Jest & Cypress
• Translated Pixel-Perfect UI design based on Figma into frontend with HTML5 and CSS3