Christopher Lee

Senior Full Stack Engineer

SumatoSoft

Apr 2022 - Current (4 years 4 months)

- Developed an LMS-powered e-learning platform with course management, assessments, and progress tracking & report. - Developed and optimized 4 frontend modules of an e-learning platform using TypeScript, React, Angular, and GraphQL, ensuring a fully responsive design for seamless user experience across all devices. - Architected 3 backend applications with Node.js, FastAPI, and DynamoDB providing intelligent features leveraging LLMs. - Leveraged BigQuery and Cloud Storage to manage large datasets, providing insights that drove key business decisions. - Played a key role of a member of an Agile Scrum team while maintaining the platform and supervising 3 intern developers. - Configured GitHub Actions for CI/CD pipeline, and developed tests u

F

Full Stack Developer

Mar 2021 - Feb 2022 (1 year)

- Resulted in a 20% increase in system reliability by refactoring to a stable Single Page Application architecture. - Worked on cloud infrastructure using AWS services (EC2, S3, RDS) to support Canvas' scalability and high availability. - Implemented database optimizations using Redis and PostgreSQL to handle large datasets, ensuring business growth. - Developed automated tests with RSpec, and Jest to ensure reliability and prevent regressions during feature updates. - Contributed to the open-source, submitting bug fixes, and feature enhancements to the Canvas GitHub repository.

Backend Developer & Testing Engineer

Nango

Mar 2020 - Feb 2021 (1 year)

- Designed and developed REST APIs with Node to facilitate integration and connections with PostgreSQL. - Integrated various services, including GitHub and Atlassian, with authentication methods such as OAuth2 authentication. - Improved synchronization scheduling and logging systems to enhance operational efficiency. - Established unit tests using Jest, Enzyme, Cypress and used Jenkins for related to building, testing, and deploying. - Implemented CI/CD pipeline with the DevOps team for reducing release times and minimizing production issues. - Provided comprehensive Swagger documentation for REST APIs to streamline development and integration processes.

Web Development Consultant

Estée Lauder

Apr 2019 - Feb 2020 (11 months)

- Worked as a team member in Gemini team that is based on Agile team of over 20 members. - Led the migration of all eCommerce pages from Drupal to JavaScript, Next.js, Tailwind CSS, and GraphQL. - Integrated Drupal APIs with Node.js and deployed the solution on AWS, optimizing backend interactions and scalability. - Implemented the OPENCHAT Web SDK, enabling chatbot functionality for customers and enhancing user engagement. - Integrated OAuth 2.0 authentication for seamless, secure Facebook logins, improving user authentication workflows. - Developed interactive animations using Tailwind CSS, improving UI responsiveness and user experience.

O

Software Engineer

OTC Trade, LLC

Jul 2018 - Mar 2019 (9 months)

- Connected Meta-Mask for Wallet address on the frontend side with React.js and Web3 technologies. - Built the trading desk websites with React.js, Apollo, React-Query, Material UI, JavaScript, TypeScript and others. - Enhanced application performance by 10% by optimizing infrastructure of the system through browser caching, streamlining API handling with optimized algorithms, and database Redis caching. - Employed D3.js and HighCHart.js libraries to craft captivating data visualization components, seamlessly presenting intricate information in a visually compelling and use-friendly manner. - Integrated 3rd party services including PRIME-TRUST and OWS on the backend side with Node.js, GraphQL and MongoDB. - Implemented CI/CD process for aut

Full Stack Developer

Intellectsoft

May 2017 - Jun 2018 (1 year 2 months)

- Acquired hands-on experience in Agile environments with Jira and version control with Git. - Translated the design team's UX wireframes and mockups into responsive, interactive features using React. - Developed retail and eCommerce site using React, Django, and MySQL, ensuring robust functionality and user experience. - Integrated google Map API to eCommerce product for providing delivery network service of order management system. - Crafted and Deployed a greatly optimized REST API from analysis of existing project, boosting API efficiency by 30%.

A

Angular Frontend Developer

Jul 2016 - Apr 2017 (10 months)

- Adopted new access control features for an internal REST APIs, ensuring current APIs are secured. - Built the monitoring application with Angular, Rx.js, Typescript, Material UI and AWS. - Scaled the current system to support AWS network growth and introduced new methods for network monitoring. - Created and maintained general systems including automation tools, performance and availability dashboards.

About

Detail

Timeline

Résumé