Kevin O'sullivan
Client Services Delivery Manager at Milk Bottle Labs - Official Shopify Experts
Galway, Ireland
Summary
🤩
Rockstar🎓
Top SchoolKevin O'sullivan is a Client Services Delivery Manager based in Galway with six years of hands-on experience bridging product delivery, technical support, and developer tooling for Shopify merchants and partners. He combines customer-facing leadership at Milk Bottle Labs and Shopify with practical engineering contributions to high-profile open-source Shopify repositories, improving API clients and CLI tooling across PHP, Ruby, Python and Node ecosystems. Comfortable shipping backend changes—authentication, API versioning, session handling and template workflows—he brings an unusual blend of merchant success empathy and code-level fluency. Kevin’s background at Apple and formal training in UX and web/software development give him a strong foundation in user-centered solutions and scalable operational practices. Known for quietly maintaining libraries and shipping compatibility fixes, he excels at turning tricky edge cases into stable delivery for both teams and platforms.
6 years of coding experience
3 years of employment as a software developer
Certificate in User Experince, UX, Certificate in User Experince, UX at Dublin City UniversityBachelor of Applied Science (B.A.Sc.), Multimedia and Programming, Bachelor of Applied Science (B.A.Sc.), Multimedia and Programming at Limerick Institute of Technology
English
Github Skills (42)
ruby-rails10
javascript10
maintenance10
shopify-api10
expressjs10
controller10
python10
apidoc10
shopify10
oclif10
webhooks10
testing10
typescript10
authentication10
user-authentication10
Programming languages (8)
Github contributions (5)
Shopify/shopify-app-js
Aug 2022 - Mar 2023
Role in this project:
Back-end Developer
Back-end DeveloperContributions:74 reviews, 160 commits, 94 PRs in 6 months
Contributions summary:Kevin primarily focused on modifying the `shopify-app-js` middleware to address packaging and authentication issues. They implemented changes related to configuration and middleware setup. Further contributions included a rebase and refactoring of the authentication and authorization logic, introducing new endpoints and verifying session tokens, ensuring secure interactions with Shopify.
Shopify/shopify-app-template-node
Nov 2020 - Dec 2022
Role in this project:Back-end Developer
Back-end DeveloperContributions:33 reviews, 152 commits, 57 PRs in 2 years
Contributions summary:Kevin primarily focused on back-end development tasks, particularly within the context of a Shopify application. Their contributions included modifying webhook registration processes, handling GDPR-related compliance, and updating environment variable configurations. They also made changes to session storage, migrating to SQLite, and introduced product creation functionality. Further, they refined the codebase with improvements in areas such as error handling and logging.
javascriptreactshopify-appshopify
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.