# Arthur Hong

> Software Engineer at Square

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

Forbes 30 Under 30 2019 in Enterprise Technology.

Entrepreneur and software engineering leader with extensive experience building/scaling software products. Creative mind. Masters in Human-Computer Interaction from Carnegie Mellon University.

Specialties: web app development (front & back end, mobile), API design, data modeling, software architecture, visual/UX design, user research, ramping up quickly on new domains

Skills - Web: Javascript (Angular, React, Node.js), Typescript, GraphQL, CSS (SASS, LESS), HTML, Python
Skills - Databases: MongoDB, Redis, PostgreSQL
Skills - DevOps: Git, CircleCI, Docker, AWS (SQS/SNS/Lambda/RDS/EC2)
Skills - Design: Adobe CC (Photoshop, Illustrator), Sketch + Zeplin

## Work Experience
### L6 Software Engineer @ Square
Jan 2020 – Present | New York, New York, United States

### Co-Founder & CTO @ Zenrez
Jan 2014 – Jan 2020 | San Francisco, CA
Achievements as a full-stack contributor:
• Contributed to multiple services, internal SDKs, and GraphQL API Gateway in our microservice architecture that powers Zenrez’s CRM, Marketplace, Internal Dashboard, Offer Automation and Branded Mobile apps
• Served as the sole architect for Zenrez's Stripe Custom Connect integration. Built e-commerce features such as payment processing, variable and multi-product subscription management, payout management, account onboarding and verification, and dispute handling
• Built a publish/subscribe and message queue-based sync architecture, syncing hundreds of millions of data points from third-party API partners such as MindBody and Zingfit
• Led the production implementation of Zenrez's machine learning pricing algorithm, using clickstream and class attribute data to model customer price sensitivity. This led to an 18% increase in revenue in studios relative to our control group (INFORMS 2019 Revenue Management Finalist)
• Created initial visual design language for Zenrez’s brand and products 
• Created designs for various mediums: print, transit ads, digital

Achievements as CTO & Co-founder:
• Served as the direct report for Zenrez's product & engineering team
• Established team culture and framework for hiring
• Ran daily standup, weekly product meetings, and monthly company all-hands
• Established initial set of protocols for security, architecture, infrastructure provisioning, testing, and       staging/production deployment
• Shared responsibility with tech lead for bug/task tracking, documentation, and application monitoring (Rollbar, Sumologic, Pingdom, DataDog)
• Worked with key accounts and strategic partners to develop custom project proposals with timelines and risk analysis.

Sampling of Stack: GraphQL, microservices, JavaScript (React, Angular, Node, Express), TypeScript, PostgreSQL, MongoDB, Redis, DynamoDB, AWS (SQS, SNS, Lambdas, API Gateway, RDS, S3), Heroku, Google BigQuery

### Software Engineer @ Eversight
Jan 2014 – Jan 2015 | Palo Alto, CA
• Joined as a designer/engineer hybrid in Eversight Lab's engineering team
• Built features and frameworks for Eversight Lab’s AI-powered revenue management platform for brands and retailers
• Worked in a contracting capacity after ending full-time employment in August 2014

### Contract Software Engineer @ Human-Computer Interaction Institute - Carnegie Mellon University - School of Computer Science
Jan 2013 – Jan 2013 | Pittsburgh, PA
• Served as a software engineer in a research team studying how digitization of behavioral learning tools can help teachers identify patterns/measure learning in students with autism
• Developed an iPad app implementation of the Standard Celeration Chart using SVG, Raphael, and Hammer.js
• Conducted user research with teachers at the PLEA Agency of Pittsburgh


## Education
### Master of Human-Computer Interaction
Carnegie Mellon University
Jan 2012 – Jan 2013

### Bachelor of Science with University Honors in Human-Computer Interaction
Carnegie Mellon University
Jan 2009 – Jan 2013

### High Performance Computing
CentraleSupélec
Jan 2011 – Jan 2011


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

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Source: https://flows.cv/arthurhong
JSON Resume: https://flows.cv/arthurhong/resume.json
Last updated: 2026-03-23