Skill Stacks: JavaScript, TypeScript, React, Node, PostgreSQL, chai, sinon, AWS

Mobile Front End Developer

Skill Stacks: TypeScript, ReactNative, ReactNativeWeb, Storybook.js, Redux, graphQL, jest, Sentry, AWS

• Designed and developed React Native applications using React Native, StoryBook.js, and Hasura.

• Assisted in debugging and fixing technical issues related to the mobile offline mode.

• Implemented the mobile offline mode in collaboration with senior engineers

• Implemented critical features such as notification support, media client, and photo uploads; shared insights with colleagues through documentation and demos.

• Improved the shared mobile media client to be five times faster than previous version.

• Assisted in the integration of Sentry for logging and performance metrics tracking.

• Conducted research on React Native upgrade to minimize breaking changes, and successfully upgraded it.

Mobile Back End Developer & Web Full Stack Developer

Skill Stacks: JavaScript, TypeScript, React, MongoDB, Parse, Nest.js, Next.js, Material UI, AWS, CircleCi

• Designed, developed, and deployed the responsive web applications in React, Next.js, MaterialUi, ES6, Node.js/Express, etc.

• Maintained and optimized all back-end endpoints in Typescript, Node.js/Nest.js, MongoDB, etc.

• Implemented automatic emails and push notifications based on the triggers and time schedule by AWS Lambda, Mandrill API, etc.

• Updated the MongoDB Query Base from MongoDB3.6 to MongoDB4.2.

• Implemented the automatic Data Pipeline from Car2DB's csv files to the database.

• Implemented and distributed massive push notifications in AWS SQS.

• Collaborated with European and Asian branches.

• Worked in an Agile/Scrum environment.

ERP Software Engineer for Payroll, Expense, and HR.

Skill Stacks : Java, JSP, Javascript, jQuery, Oracle, Solaris, iBatis, Apache Tomcat, and Secure Coding.

• Designed, developed and tested Java based solutions using JavaEE, Javascript, iBatis, Oracle, and Tomcat.

• Maintained and updated Payroll, HR and Expense system based on J2EE.

• Implement the product's lifecycle: Design, development, quality, deployment and maintenance

• Collaborate effectively across teams