Mubarak Sadoon

Founding iOS Engineer, Creator at Habitual

Independently developing features for Habitual, a goal tracking app. Implemented todo and goal creation, local storage and trends tracking using SwiftUI and Swift concurrency (agents, async/await). Leveraged SwiftData and Swift Charts; comprehensive unit and UI testing with SwiftTesting and SnapshotTesting.

Senior iOS Engineer at Kickstarter

Grew an open-source iOS app using functional reactive programming (ReactiveSwift, Swift). Rewrote comments threading, project page UI and networking with Apollo GraphQL. Integrated local rewards pickup for tax compliance and Stripe’s payment sheet. Led prelaunch projects, prototyped SwiftUI and Combine features, and introduced universal notifications. Migrated dependencies to arm64 (M1) and helped define a product/tech debt roadmap, and contributed to team hiring.

iOS Engineer at Joist

Grew a small business contracting app by leading and implementing a new PayPal sign-up flow; contributed to web presence, pagination, change orders and Apple subscription tiers. Migrated a large feature page (Estimate/Invoice) from Objective-C to Swift using MVVM-C; supported hiring and onboarding of a senior engineer.

iOS Engineer at SoapBox Innovations

Built meeting management features, deep linking and goal-tracking “next steps”. Architected, built and shipped persistent storage (Core Data) app-wide. Active in Agile startup culture with quick iteration and bi-weekly product demos; maintained clean code and testing with mentorship.

iOS Engineer at The Young Astronauts

Launched the first version of Sandals Beaches vacation application to the App Store. Created features including a Swift 2 to 3 upgrade and prototyped a VPN utility with Network Extension and CoreAnimation. Secured a longer contract by aligning with evolving product vision.

iOS Engineer at Interad Media Design Corp

Created large, useful and accessible features for a Canadian banking app: Display closest branches and ATMs using MapKit; refreshed UI on core pages (Send Money, Edit Money). Implemented OAuth2 for Twitter SSO.

Junior iOS Engineer at Clearbridge Mobile

Built small parts of a youth engagement app for WeDay, mostly a settings page; prototyped an audio sharing app using CoreBluetooth with senior mentorship.

Founding iOS Engineer, Creator at Habitual

Independent feature development for Habitual, a goal-tracking app, including todo and goal creation, local storage, and trends tracking. Proficient with SwiftUI and Swift with concurrency (actors, async/await), SwiftData and Swift Charts. Fully unit/UI tested with SwiftTesting and SnapshotTesting.

Senior iOS Engineer at Kickstarter

Grew open source iOS app using functional reactive programming (ReactiveSwift). Rewrote comment threading, project page UI and networking using GraphQL (Apollo). Integrated local rewards pickup for tax compliance and Stripe payment sheet. Worked on prelaunch projects and prototypes with SwiftUI and Combine; migrated dependencies to arm64. Created product and tech debt roadmap for 2024; helped hire multiple engineers.

iOS Engineer at Joist

Led integration of new PayPal signup flow; contributed to web presence, pagination, change orders, and Apple subscription tiers. Converted a large feature page (Estimate/Invoice) from ObjC to Swift using MVVM-C; supported onboarding of new engineers.

iOS Engineer at SoapBox Innovations

Built deep linking and 'next steps' goal-tracking features; architected and shipped persistent storage with Core Data; participated in Agile startup cadence with rapid iteration and bi-weekly product demos.

iOS Engineer at The Young Astronauts

Launched the Sandals Beaches vacation app on the App Store; implemented a Swift 2 to Swift 3 upgrade; prototyped a VPN utility using Network Extension and CoreAnimation.

iOS Engineer at Interad Media Design Corp

Developed features for a Canadian banking app using MapKit to display branches and ATMs; refreshed UI on common pages and implemented OAuth2 for Twitter SSO.