Emma Ray
Staff Full-Stack Engineer at Jump
Philadelphia, Pennsylvania, United States
Summary
👤
SeniorEmma Ray is a Staff Full-Stack Engineer with 11 years of industry experience who blends mobile-first product instincts (iOS/Swift/Objective-C) with deep AWS systems architecture. As the first technical hire at Lazzy she helped build an on-demand delivery platform that has processed over $60M in orders, and she’s led founding-engineer efforts on healthcare analytics (Phocus) and a widely adopted mindfulness app for kids (Hatch, 200k+ installs). She moves comfortably between shipping end-to-end products, building backend infrastructure, and running devops for startups and clinical research projects. An active OSS contributor, she’s improved HealthKit tooling and mobile interoperability via Cordova plugin work that emphasized testability and compatibility across iOS versions. Based in Philadelphia and experienced in NYC, she pairs hands-on coding with product-focused systems design and frequently takes contract roles to solve hard domain-specific problems. Her background includes early in-person engagement at WWDC during the Swift announcement, signaling a long-term commitment to Apple platforms alongside modern cloud-native practices.
11 years of coding experience
8 years of employment as a software developer
Stackoverflow
13,542reputation
654kreached
80answers
25questions
uitableview
top-1%
ios
top-1%
protocols
top-5%
objective-c
top-1%
swift
top-1%
Github Skills (19)
healthkit10
objective-c10
ios10
uitableview10
swift10
cordova9
mobile-development9
protocols9
xcode8
macos6
combine6
iphone6
coregraphics6
amazon-web-services6
apple-push-notifications6
Programming languages (8)
Github contributions (5)
EddyVerbruggen/HealthKit
Nov 2015 - Nov 2015
Cordova plugin for the iOS HealthKit framework
Role in this project:
Mobile Developer (iOS)
Mobile Developer (iOS)Contributions:9 commits, 2 PRs in 1 day
Contributions summary:Emma primarily worked on a Cordova plugin for the iOS HealthKit framework. Their contributions focused on refactoring and testability, removing and updating methods, and integrating features such as workout data retrieval. They also updated the code to be compatible with iOS 9 and its changes regarding the workout source. The user's work involved interacting with HealthKit APIs, managing authorization, and fetching data for workouts, including distance and calories.
cordovahealthkitcordova-pluginiosmobile
emmavray/trump-be-gone-safariext
Jan 2017 - Nov 2024
Contributions:6 pushes, 1 branch, 1 comment in 7 years 11 months
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