Hi, I'm Cici Chang

Software Engineer | Data Engineer | Product-Focused Technologist

Passionate about building scalable systems at the intersection of software engineering, data science, and product development. I architect end-to-end solutions—from distributed systems and ML pipelines to user-facing applications—that transform complex data into actionable business insights and exceptional user experiences.

USC M.S. Computer Science - Applied Data Science (May 2024)

USC B.S. Industrial & Systems Engineering, Minor in Mobile App Development (May 2023)

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Cici Chang

Projects

Expense Tracker - Smart Financial Management

Expense Tracker – Smart Financial Management

Modern frontend app to track income/expenses, manage categories, visualize spending, and export reports. Built with React, TypeScript, and Tailwind; features AI-assisted categorization, charts, budgets, and dark mode.

React TypeScript Tailwind CSS Recharts
Code
Distributed Storage System

Distributed Storage System

A production-ready distributed storage system built with Raft consensus algorithm, featuring Spring Boot API, React frontend, and comprehensive monitoring stack.

Spring Boot React Raft Algorithm Docker
Code Documentation
MarketSphere Platform

MarketSphere Platform

Dynamic web-based marketplace platform with robust distributed database management system.

Distributed DB Web Platform E-commerce
Code Demo
Dynamic Vaccine Allocation Research

Dynamic Vaccine Allocation for Control of Human-Transmissible Disease

Developed a dynamic methodology for vaccine allocation, segmented by region, age, and timeframe, using a time-sensitive, age-structured compartmental model for COVID-19 vaccine allocation optimization in the United States.

Research Optimization Published Paper
Published Paper
Real Time Pose Analysis

Real Time Pose Analysis

"Swoleboi" - sophisticated real-time exercise pose analysis using OpenCV and MediaPipe.

Python OpenCV MediaPipe
Code
Hybrid Movie Recommendation System

🎬 Hybrid Movie Recommendation System

A production-ready movie recommendation system that combines content-based filtering and collaborative filtering approaches to deliver personalized movie suggestions with a modern, responsive web interface.

Python Streamlit scikit-learn NLP Machine Learning
Demo Video Code
Martian Frost Detection

Martian Frost Detection

CNN and transfer learning models to identify frost in Martian terrain images using HiRISE dataset.

CNN Transfer Learning Computer Vision
Code
Breast Cancer ML Methods

Breast Cancer ML Methods

Comparison of supervised, semi-supervised, unsupervised, and active learning techniques.

Machine Learning Classification Monte-Carlo
Code
FreshFridge iOS App

FreshFridge iOS App

Mobile app to track fridge contents, monitor expiration dates, and avoid redundant purchases.

iOS Swift Xcode
Code Demo
Flashcards iOS App

Flashcards iOS App

iOS mobile application for creating, organizing, and studying flashcards with data persistence.

iOS Swift Data Persistence
Code
WiseChoice Electronics

WiseChoice Electronics

E-commerce website for electronics company with product catalog and admin management.

HTML/CSS JavaScript E-commerce
Code Website
SustainG Platform

SustainG

I co-founded SustainG, a B2C platform with open-source API that aims to build a sustainable college community, simplifies energy-saving process, and further empowers smart device ecosystem on college campus.

Product Management UI/UX Design B2C Platform
Pitch Deck
DevInsight API Analytics Platform

DevInsight: API Analytics Platform

Product ideation case study for a developer-first API analytics platform that reduces debugging time by 60% while handling 10M+ calls daily. The solution addresses the engineering time waste problem where teams lose 15-20 hours weekly debugging API issues across microservices architectures.

Product Strategy Market Research System Architecture Business Model
Case Study
Microsoft Teams Case Study

Microsoft Teams: Technical Product Management Case Study

Comprehensive product management case study analyzing Microsoft Teams' technical backlog prioritization using the RICE framework. Features detailed analysis of AI-powered meeting recaps, cross-platform sync fixes, and feature prioritization for 320M+ MAU platform.

Product Strategy Technical Analysis RICE Framework Enterprise Software
Case Study
DocScribe AI-Powered Meeting Notes

DocScribe: AI-Powered Meeting Notes

Product case study for an AI-powered meeting notes platform that transforms how teams capture, organize, and act on meeting insights. Features intelligent note-taking, action item tracking, and seamless integration with existing workflows.

Product Strategy AI/ML Integration User Experience Market Analysis
Pitch Deck
InstaFlow: Combating Doomscrolling

InstaFlow: Combating Doomscrolling Through Intentional Content Curation

Product management case study for Meta/Instagram product strategy. InstaFlow transforms passive scrolling into intentional discovery through AI-powered goal-based feeds, time-boxed sessions, and creator monetization, addressing the $2.3B wellness app market opportunity.

Product Strategy User Research Market Analysis Business Model Social Media
Case Study

Skills & Expertise

Programming Languages

Java Python JavaScript TypeScript SQL Go

Machine Learning

TensorFlow PyTorch Scikit-learn OpenCV MediaPipe CNN

Data & Cloud

AWS Docker Kubernetes PostgreSQL Redis Elasticsearch

Development

Spring Boot React Node.js iOS Development GitHub Actions Agile

Product & Strategy

Product Roadmapping User Research A/B Testing Feature Prioritization Market Analysis

About Me

Hi, I'm Cici Chang (legal name: Chang Chang), a software engineer and data scientist who thrives at the intersection of technology and product innovation. My background spans the full stack—from architecting distributed systems and building ML pipelines to developing user-facing applications and managing technical product roadmaps.

With experience at Energy Solutions, Wanb Express, Amgen, Bain & Company, JD.COM, and Chinasoft International, I've delivered solutions that process terabytes of data, handle 500+ concurrent requests, and drive measurable business impact. I'm passionate about translating complex technical capabilities into products that solve real-world problems.

Key Achievements

  • Published Research in MDPI Vaccines
  • USC Discovery Scholar & NAE Grand Challenge Scholar
  • Provost Research Fellowship Recipient & Entrepreneurship Award Winner
20+ Projects Completed
2+ Years Experience
5+ Technologies

Get In Touch

LinkedIn

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