Jiajun Chen

San Leandro · California · (510) 813-0968 · jchen0318@gmail.com

I am software developer who is curious, self-starting, and willing to take risk for greater result. I have developed responsive and user interactive applications using modern frameworks like React, and backend servers and API using Node.js/Express.js.

Projects

Twittler 2.0

Github
Emulate the feed microservice of Twitter's Architecture
  • Architected the microservice with Node/Express, Redis, and Cassandra to manage feeds for all users
  • Dockerized application into Docker Container and deployed to AWS EC2
  • Stress-tested microservice with JMeter and monitored a max throughput of 1,500 requests-per-second on New Relic

Packuno

Live | Github
Packing list application for International travelers
  • Integrated React-Router into a single page app to do client side rendering to reduce request bandwidth between client and server
  • Designed new components on top of existing React/Redux and PostgreSQL codebase to show more information to users about the trip

Kick-it

Live | Github
Event finding application for San Francisco Area
  • Designed front-end components with React for fast and responsive rendering
  • Transformed data from EventBrite API and stored into PostgreSQL database for more efficient future querying
  • Designed user interface with Bootstrap for simple and manageable components

Skills

Programming Languages & Tools

Experience

Design Engineer

Sandis Engineering, Oakland, CA
  • Designed utilities and drainage for commercial projects to meet design goal with minimum construction cost.
  • Attended meetings and handled construction administration to resolve any design or construction issue.
  • Researched for permit requirements and applied permit with various jurisdiction.
May 2018 - Current

Assistant Engineer

O'Dell Engineering, Pleansanton, CA
  • Prepared plans for hundreds of homes and streets in a new development.
  • Coordinated with both internal and external teams to resolve design conflicts.
  • Managed plan filing system using Procore to ensure contractors having access to the latest and greating plan sets.
Auguest 2014 - September 2017

Education

University of California, Davis

Bachelor of Science in Civil Engineering

September 2009 - December 2013

Hack Reactor

Advanced Software Engineering Immersive

October 2017 - January 2018