# Ryan Billard

> Staff Software Developer

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

Working on scaling Postgres and other datastores on the infra team at Notion. Still trying to figure out how computers work.

## Work Experience
### Software Engineer @ Notion
Jan 2023 – Present | New York, New York, United States
- Working on Postgres, Dynamo, Redis, memcached and other datastores
- Previously worked on the automations team building full-stack features in Typescript / Node / React

### Staff Developer @ Shopify
Jan 2021 – Jan 2022
- Architected and led the rebuild of Shopify Point of Sale (POS) checkout, which unlocked a 10x gain in checkout throughput.  This system powers millions of dollars in purchases at retail stores daily.
- Built a resilient payment processing system based on Stripe Terminal, which facilitated the expansion of Shopify POS to 9 countries in less than 18 months.
- Led a project to extend POS functionality through integrations with third party apps. Coordinated with external developers culminating in a launch with 4 official integrations from Shopify Partners.
- Mentored senior and junior engineers via pair programming, code reviews, and career conversations that resulted in two promotions and increased confidence and autonomy of the mentees and team as a whole.
- Reviewed and guided technical proposals from adjacent teams to promote engineering excellence and influence the direction of the organization.

### Senior Developer @ Shopify
Jan 2019 – Jan 2021 | Ottawa, Canada Area
- Developed a service to synchronize catalogs of over 500k products between an offline SQLite store and online MySQL server. Reduced the time between login and first transaction to a few seconds and made it possible for merchants with large catalogs to use Shopify POS.
- Identified and optimized performance critical network requests using stack profiles, custom dashboards, and MySQL optimization techniques, which improved p90 request times by an average of 95%.
- Improved incident response quality by upgrading automated alerting, dashboards and playbooks.

### Senior iOS Developer @ Shopify
Jan 2018 – Jan 2019
Built Syrup, a tool that generates type-safe Swift, Kotlin, and TypeScript from static GraphQL operations and schemas. Powered the API layer for all major mobile apps at Shopify comprising over 1.25m daily users.

### iOS Developer @ Shopify
Jan 2017 – Jan 2018 | Ottawa, Canada Area
Established a system to support deep linking into Shopify's flagship mobile app.

### iOS Developer Intern @ Shopify
Jan 2015 – Jan 2017 | Ottawa, Canada Area
Contributed to the relaunch of Shopify’s flagship mobile app, launched a new mobile product, and added the iconic Shopify “cha-ching” notification sound.

### Web Technical Specialist @ PWGSC
Jan 2014 – Jan 2014

### Summer Intern @ Carleton University
Jan 2013 – Jan 2013

### Security Screenings Specialist @ Transport Canada
Jan 2012 – Jan 2013


## Education
### Bachelor of Engineering - BE in Computer Software Engineering
Carleton University
Jan 2012 – Jan 2017

### Colonel By


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

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Source: https://flows.cv/ryanbillard
JSON Resume: https://flows.cv/ryanbillard/resume.json
Last updated: 2026-03-22