# Justin Xu

> Software Engineer

Location: Washington DC-Baltimore Area, United States
Profile: https://flows.cv/justinxu

## Work Experience
### Jr. Software Engineer @ Traitify by Paradox
Jan 2022 – Jan 2023 | Washington DC-Baltimore Area
• Worked in an agile team to build a personality assessment platform to improve candidate screening accuracy for clients (McDonald’s, Wholefoods) using React, Redux, and Rails.
• Created user interfaces to guide candidates through the assessment process.
• Modernized React web application using Recoil. 
• Implemented localization for applications to support 15 languages.
• Utilized LinkedIn, Indeed, and Monster Jobs API to provide job data for candidates.
• Designed automated emails for 2FA and candidate invitations.
• Implemented theme and dark mode support for React/Rails Application using SASS.
• Collaborated with product team to deliver client specific content using Contentful.
• Increased documentation coverage and reduced legacy code by 30%.
• Transition Rails monolith to microservices.

### Software Engineer @ Dreamo
Jan 2020 – Jan 2021 | Fairfax County, Virginia, United States
•	Worked in an agile team to build an e-commerce marketplace as a service to boost the digital footprint of local businesses using React and NodeJS.
•	Designed user interfaces for customer facing web sites which directed customers to merchant’s page.
•	Created a CRUD table with sorting and filtering capabilities for inventory management.
•	Created an API that interacted with an AWS RDS PostgreSQL database to process e-commerce workflows (i.e., checkout, order, inventory, email, and notification events).
•	Leveraged AWS S3 to store product images.
•	Integrated end to end tests to ensure stability and reduce bugs for every code change.
•	Developed an iOS and Android app for merchants to track, complete, and reopen orders.
•	Utilized Firebase Cloud Messaging to push notifications to the mobile app when a customer has placed an order.
•	Wrote scripts to build Docker containers allowing local development to be consistent across different machines.
•	Ensured 508 compliance (accessibility standards) using tools such as Lighthouse and WAVE.
•	Set up continuous integration and deployment for all repositories using Travis CI.


## Education
### Bachelor of Science - BS in Computer and Information Sciences
University of Maryland

### Associate of Arts - AA in Computer Science
Montgomery College


## Contact & Social
- LinkedIn: https://linkedin.com/in/justin-xu-1374251b1

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Source: https://flows.cv/justinxu
JSON Resume: https://flows.cv/justinxu/resume.json
Last updated: 2026-04-05