• Developed scalable, user-facing web services as a full-stack engineer, leveraging TypeScript, React, GraphQL, TypeGraphQL, Node.js, and AWS.

• Designed and implemented key features such as Likes, Comments, and Articles, enhancing user engagement and enabling the community to create and share high-quality content on community.aws.

• Designed and developed Comments, Notifications, and User Settings features for pulse.aws at full-stack using Typescript, React, GraphQL, TypeGraphQL, Node.js, and AWS.

• Designed and implemented deleting and archiving entities using AWS services, including IAM, DynamoDB, DynamoDB Streams, and Lambda

• Built micro front-end web applications with domain-based design architecture and seamless integration by using single-spa, React, and Typescript, such as linked bank accounts supporting bank debits for AU customers that greatly boost topup volume

• Leveraged Apollo GraphQL as backend for frontend (BFF) to build scalable and high-performance node service with simple and contact-based integration with backend

• Developed front-end and server of backstage management system by using React, antd, Node.js, and PostgresSQL

• Cooperated with the designer team to build design systems and component libraries with Storybook, provided universal UI / UX experience across different domain teams

• Delivered mobile responsive websites for customer onboarding processes, including promotions, signup, and KYC

• Implemented main features of web applications on WeChat with Mini Program framework for Chinese localization and native app experience

• Used Contentful and Next.js to build no-code / serverless CMS system for corp sites and branding landing pages

• Adopt Jest and React testing library to design high-quality unit test with 80%+ coverage