Took over the most important product that is for getting company series B.

Refactored and arranged the team to gradually clean up rushed unorganized code.

Communicate with the product team to refine requirements, transfer them into technical tickets and assign them to team members based on their skill sets and experience.

Architect system for multiple third party integrations.

Help team members to make technical and implementation decisions.

Pair and code review with/for team members to grow best practices.

Svelte/Sapper server side rendered SPA connected with CMS from scratch. I implemented parts of the application as well as the project development process essentials like bundling, environment setups, CICD pipeline, and a secured docker image with redis to serve application required data for • local development without credentials leaked to unauthorized developers.

Make performance improvement on first page rendering with Google Lighthouse.

Ruby on Rails server in Docker container on AWS ECS connected to PostgreSQL database, providing API for web server to get medication pricing and membership card generating, admin panel for business owner and engineers to config service setting and manage users’ data, and real time complex eligibility check service from point of sale.

NodeJS maintenance jobs runner keeps updating Algolia index for real time service by reorganizing poorly organized data from the third-party vendor, and cleaning up outdated logs for the Ruby on Rails server.

Automated monthly report generator using multiple technologies to aggregate data from multiple sources, calculate meaningful statistics, generate and send the report.

API server with NodeJS to proxy requests, serve user data and generate membership card

Web applications with Angular 1 and React to explain member benefits

Unit, integration, functional, regression testings (Enzyme, Mocha, Sinon, Rspec, Selenium, Postman, Saucelabs)

DevOps/CICD, production release and configuration (AWS, Docker, Gitlab-CI, Jenkins, PCF)

Marketing research

Developed an iOS demo app and Watch OS2 app to use gesture to control presentation slides, music, and Philip Hue.

Developed a Cocoa Framework, integrating gesture recognition feature to iOS app

Developed a Cocoa Framework, integrating wearable communication feature to iOS app

Developed a Cocoa Framework, integrating slides view to iOS app

Database Management Application Development, create application that takes encoded scanner inputs, communicate with local database, and creates output file in user-specified format.

Equipment Testing Application Front End Development, create application that interact with user and communicate to backend through socket with JSON objects.

Log Grabber/Parser Application Development, create application that uses SSH to download log from server and parse into CSV file for analysis.

Hardware Controlling / Simulation Application Development, create application that controls Digital I/O module to control multiple pumps simultaneously