# Alex Yu

> Engineering at Marble

Location: New York, New York, United States
Profile: https://flows.cv/alexyu

## Work Experience
### Software Engineer @ Marble Health
Jan 2026 – Present | New York, NY

### Software Engineer @ withco
Jan 2025 – Jan 2026 | New York, NY

### Founder @ Foundational
Jan 2023 – Jan 2025
Mental health care & AI

### Senior Software Engineer, Online Storage & Databases @ Affirm
Jan 2023 – Jan 2023 | New York, New York, United States

### Senior Software Engineer, Data Infrastructure @ Affirm
Jan 2022 – Jan 2023 | New York, New York, United States

### Software Engineer, Data Infrastructure @ Affirm
Jan 2019 – Jan 2022 | San Francisco Bay Area

### Research Assistant @ Human Computer Interaction Institute
Jan 2016 – Jan 2019 | Pittsburgh
Automated Android app APK retrieval pipeline with shell and Python scripts, AWS CLI and Spark on AWS EC2 instances
Currently designing and developing platform for sharing our analysis results by request and running other academics’ analysis scripts
Previously analyzed ”privacy grades” for Android apps to spot trends or correlations between grades and factors (e.g. app category). Recognized that the data was heavily skewed, providing feedback to improve the grading model

### Software Engineering Intern @ Blend
Jan 2018 – Jan 2018 | San Francisco Bay Area
Contributed to a tool that abstracts the process of running various workloads on Kubernetes for other engineers
Built functionality to allow Postgres databases to be launched through the tool, using persistent storage to host the database’s data
Developed mechanisms for backing up databases to S3 with encryption on a cron schedule, as well as restoring a database from various backup versions
Worked on prototype of a TCP proxy that utilizes client and server TLS to allow other engineers to debug their workloads without needing Kubernetes access

### Software Engineering Intern @ Redfin
Jan 2017 – Jan 2017 | Greater Seattle Area
Developed web application that automatically schedules interviews for all of engineering, saving recruiting coordinators 90% of their time, reducing overhead for managers, and evenly spreading the load of interviewing
Participated in all parts of development process, including schema, API, and UX design, usability studies, and beta testing
Researched and tested various assignment algorithms, then implemented modified Kuhn-Munkres algorithm based on interviewer busyness
Used Python, Flask, SQLAlchemy and PostgreSQL on backend, React and Reflux on frontend, as well as Google Calendar API, Jenkins and Docker
Worked on additional project to assign developers their own key-pairs for more granular auditing and secure access to test environments

### Research Assistant @ Carnegie Mellon University CyLab
Jan 2016 – Jan 2016 | Pittsbugh
Created multi-page website to monitor progress of the website scraper and present results by URL source, country, and overall bases
Used Python, Flask, PostgreSQL, Apache on backend, and HTML/CSS, JavaScript on frontend

### Operations Intern @ EverPower Wind Holdings, Inc
Jan 2015 – Jan 2015 | Pittsburgh, Pennsylvania
Analyzed power transmission systems to meet regulations and benchmark performance
Evaluated the effect of a potential new wind farm project on the power system under various conditions
Developed an optimal solution using Python and an API to find the most efficient connection from the new project to the system
Presented a report on the solution for entire staff, allowing others to utilize it


## Education
### Master of Science - MS in Electrical and Computer Engineeering
Carnegie Mellon University
Jan 2018 – Jan 2019

### Bachelor of Science - BS in Electrical and Computer Engineering
Carnegie Mellon University
Jan 2014 – Jan 2018

### High School Diploma in International Baccalaureate Diploma
International School of Beijing
Jan 2010 – Jan 2014


## Contact & Social
- LinkedIn: https://linkedin.com/in/alexyu0

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Source: https://flows.cv/alexyu
JSON Resume: https://flows.cv/alexyu/resume.json
Last updated: 2026-04-01