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Colin Masters

@colinmasters

Apple platforms engineer at Neone who rebuilt its UIKit hardware experience in SwiftUI and helped cut monthly server costs from $6,000 to around $500.

Canada

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At Neone, I managed a multidisciplinary engineering team and stayed hands-on developing iOS applications for iPhone and iPad. I rebuilt the UIKit hardware experience in SwiftUI for a prototype launch at SXSW in Austin.

I also worked with the API team to simplify the backend infrastructure required by the hardware component, helping bring monthly server costs from $6,000 to around $500. Alongside the client apps, I led, prototyped and delivered server-side applications in Swift/Vapor.

At SHRED Home & Gym Workout, I added features, reviewed code and introduced CI build processes and pull request workflows. This helped reduce the feature release cycle from multiple months to weekly releases; www.shred.app also reached the US App Store top 20 multiple times and was Featured by Apple during my tenure.

At Blockstream Corporation, I was the primary developer and tech lead on the open source Blockstream Green wallet for iOS, building in public and delivering each app version to the open source project. Earlier, I worked on iOS apps and trading systems at Neueda Consulting and Vela Trading Technologies, and taught a native iOS development course at Langara College.

Experience

Work history, roles, and key accomplishments

VP Engineering

Neone Inc

Jul 2020 - Sep 2026 (6 years 2 months)

Led a global remote team of multidisciplinary engineers building products across iPhone, iPad, Mac, and Windows. Rebuilt the UIKit/Hardware component into SwiftUI for a prototype launch at SXSW and reduced server costs from $6000 to $500 per month.

SwiftUI Combine iOS Architecture Team Leadership Release Coordination Swift Vapor React Native

iOS Consultant

SHRED Home & Gym Workout

Aug 2019 - Jul 2020 (11 months)

Reduced feature release cycle from multiple months to weekly releases by implementing CI build processes, git branching strategies, and pull request workflows. Refactored API service to make smart-synchronous calls, removing a performance bottleneck.

iOS CI CD Git Code Review Performance Optimization API Design

iOS Developer

Blockstream Corporation

May 2019 - Jun 2020 (1 year 1 month)

Primary developer and tech lead on the open source Blockstream Green wallet for iOS. Implemented new features, decided on technical architecture, and discussed user experience with cross-functional teams.

iOS Open Source Cryptocurrency Technical Leadership Customer Support

iOS Instructor

Langara College

Jan 2019 - Mar 2020 (1 year 2 months)

Taught a 13-week native iOS development course as part of a two-year post-degree diploma program. Helped 12 students gain full-time positions as junior iOS developers.

Swift iOS Teaching Mentorship

iOS Developer

IQMetrix

May 2018 - May 2019 (1 year)

Contributed to the implementation and completion of the move from MVC to MVVM and solved architectural problems with reactive programming. Rewrote key workflows from Objective-C to Swift for 3 out of 4 major clients.

Objective C Swift MVVM Reactive Programming Architecture JavaScript

iOS Developer

Kashoo Cloud Accounting

May 2017 - May 2018 (1 year)

Maintained, updated, and added new features to the Kashoo iOS application in a mix of Swift and Objective-C. Led R&D initiatives and delivered a new Android product using Kotlin and Android Studio.

Swift Objective C Kotlin Android Python Java Atlassian GitHub

Software Engineer

Neueda Consulting

Oct 2016 - May 2017 (7 months)

Developed iOS applications for data reporting, incident management, and market compliance. Built market data feed handlers and algorithmic trading platforms in C++ and Python.

iOS C++Python Athena Algorithmic Trading FIX Protocols

Software Engineer

Vela Trading Technologies

Jul 2010 - Oct 2016 (6 years 3 months)

Developed iOS apps for monitoring feed handlers and data reporting. Built and maintained market data feed handlers, order entry products, and automation frameworks across multiple venues and protocols.