Senior Software Engineer

Stephen Chang

303-***-**** *************@*****.*** San Diego, California

Education

Trinity University San Antonio, Texas

BS in Computer Science, BA in Physics August 2014 - May 2018 Technical Skills

Programming C, C++, C#, Python, Scala, Ruby, Bash, Javascript, PHP, Haskell, SQL Databases MySQL, PostgreSQL, MSSQL, MongoDB

Deployment Softwares Docker, AWS, Heroku, Virtualbox, Bare metal Other Linux system administration, git, Apache Spark (Scala), Pandas, Numpy, PyPlot Experience

Scraffic San Antonio, Texas

Lead Developer Aug 2016 - Oct 2022

• Low Level Computer Vision Application to track humans on a Raspberry Pi

• AWS architecture and administration for cloud servers, databases, backend applications, and API endpoints EBS,EC2,RDS,Lambda (python),ECS,SNS,SQS

Play Scala

OpenCV C++

• Web applications to allow clients to access data and for internal management Westward Consulting LLC San Antonio, Texas

Workforce Management Consultant Dec 2018 - Jan 2021

• Implemented and helped build WFC/WFS interfaces

• SQL Reporting for clients including The Home Depot and Cascadia Healthcare WRAD Austin, Texas

Developer 2020 - present

• Ruby on Rails application for workforce data entry and manipulation

• Timekeeping engine to calculate paycodes from punches (stand in for when WFD fails) Mosaic Consulting Group Austin, Texas

Senior Software Engineer Aug 2022 - present

• WRAD project is now owned by Mosaic

• Fork of WRAD to do payroll calculations

• C# (.NET) API integrations with UKG

• Internal applications to manage workforce and forecasting written in Scala deployed with Docker

• Python Tkinter application for clients to archive data in SQLite file Volunteer Services

Trinity University San Antonio, Texas

Dev Team Leader and Stakeholder Aug 2020 - May 2021

• Taught and managed a small team of Trinity University CS students to produce a meaningful product for Scraffic Friends and Associates

San Antonio, Texas Austin,

Texas

Consultant 2014 - present

• High level design and occasional boilerplate code for friends trying to start businesses

• Understanding the needs of a non-developer and giving them a roadmap to build their idea as easily and quickly as possible

• Recommending technologies or frameworks and brief introductions on how to use them Other Projects

Video Chat Set up and deployed a video chat server to stay connected with friends during COVID Caps Application Web service and database to track and analyze player performance for “caps” game built in Pekko/Play LAST UPDATED: JULY 29, 2026 STEPHEN CHANG · RÉSUMÉ 1 / 1

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