Team Lead

Xpanse

1. Led a team of 7 members while performing code reviews, scrum planning, writing technical documentation for newcomers and managing the tickets on the board.
2. Designed and built robust REST APIs with Python-Django Back-end systems by following the Serverless Architecture based on Amazon Web Services Lambda, S3, API Gateway and SQS.
3. Developed pixel perfect web and mobile frontend of LMS which processes data visualization and model using TypeScript, React, Apollo, GraphQL, Node.js, Ruby on Rails, Postgres and Material UI.
4. Spearheaded the transition of social web application from the old Angular application to a new React/Next.js app.
5. Developed new functionalities and maintained PHP Laravel web application and migrated Laravel v8 application to v10 using migrating PHP v7.3 to PHP v8.2.Implemented microservices architecture to upgrade efficiency of CRM system by 40%.
6. Led marketplace Android and iOS applications using React Native from scratch with develop team.
7. Mentored junior team members through pair programming to boost the team performance.

Senior Full Stack Developer

Toptal

1. Developed and maintained web applications for internal teams built with Python, PHP, React.js, NextJS and Typescript, NodeJS, Golang, NestJS.
2. Developed the Front-end for a PaaS solution that connects clients with insurance providers using ReactJS and Redux.
3. Developed serverless web applications with AWS Services like AWS Lambda, DynamoDB, S3, SNS, EC2, and so on.
4. Led development of complex key features and moved repositories to the Nx Monorepo.
5. Participated in Mobile Development and created Android version of existing iOS app.
6. Created the Desktop App for browsing AWS S3 files using Electron.
7. Promoted experience with Kubernetes, Docker, Firebase and TDD environment.

Full Stack Developer

AIS

1. Designed and developed Back-end RESTful APIs using Node.JS, Express, Nest.js, PHP, Laravel, Python, Django, Flask, MongoDB, PostgreSQL, MySQL, Redis, AWS and Firebase.
2. Translated Figma, Adobe XD designs to pixel-perfect and fully responsive design using JavaScript, TypeScript and its libraries React, Vue, Angular and HTML, CSS, SCSS and LESS.
3. Migrated a healthcare web application from the LAMP stack application to a modern MERN stack app.
4. Implemented real-time communication functionalities using Web Socket technology.
5. Implemented Stripe API integration with payment flow, trial periods, monthly and yearly subscriptions, and withdrawals.
6. Created automated testing framework in Jest, Mocha + Chai + Simon for unit testing and e2e UI testing.
7. Implemented CI/CD pipelines in each step of the development cycle which improved integration and delivery towards agile methodologies.

Unversity of Pittsburgh

Computer Science

Sun Yat-sen Univeristy

Computer Science