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Hi, I’m Jonasaaron Musa, a Senior iOS Developer with 9+ years of hands-on experience building iOS apps across streaming media, healthtech, fitness, social media, finance, and utility sectors. I thrive in cross-functional, globally distributed teams and enjoy mentoring junior developers while delivering high-quality experiences. I’m proficient in Swift, SwiftUI, and UIKit, with deep expertise in video playback, StoreKit 2 subscriptions, and CI/CD automation. I value clear architecture decisions, robust testing, and seamless collaboration from design to App Store delivery.…Hi, I’m Jonasaaron Musa, a Senior iOS Developer with 9+ years of hands-on experience building iOS apps across streaming media, healthtech, fitness, social media, finance, and utility sectors. I thrive in cross-functional, globally distributed teams and enjoy mentoring junior developers while delivering high-quality experiences. I’m proficient in Swift, SwiftUI, and UIKit, with deep expertise in video playback, StoreKit 2 subscriptions, and CI/CD automation. I value clear architecture decisions, robust testing, and seamless collaboration from design to App Store delivery.

Jonasaaron Musa

App Developer, Web Developer, Developer, +2

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Hi, I’m Jonasaaron Musa, a Senior iOS Developer with 9+ years of hands-on experience building iOS apps across streaming media, healthtech, fitness, social media, finance, and utility sectors. I thrive in cross-functional, globally distributed teams and enjoy mentoring junior developers while delivering high-quality experiences. I’m proficient in Swift, SwiftUI, and UIKit, with deep expertise in video playback, StoreKit 2 subscriptions, and CI/CD automation. I value clear architecture decisions, robust testing, and seamless collaboration from design to App Store delivery.…Hi, I’m Jonasaaron Musa, a Senior iOS Developer with 9+ years of hands-on experience building iOS apps across streaming media, healthtech, fitness, social media, finance, and utility sectors. I thrive in cross-functional, globally distributed teams and enjoy mentoring junior developers while delivering high-quality experiences. I’m proficient in Swift, SwiftUI, and UIKit, with deep expertise in video playback, StoreKit 2 subscriptions, and CI/CD automation. I value clear architecture decisions, robust testing, and seamless collaboration from design to App Store delivery.

Available to hire

Hi, I’m Jonasaaron Musa, a Senior iOS Developer with 9+ years of hands-on experience building iOS apps across streaming media, healthtech, fitness, social media, finance, and utility sectors. I thrive in cross-functional, globally distributed teams and enjoy mentoring junior developers while delivering high-quality experiences.

I’m proficient in Swift, SwiftUI, and UIKit, with deep expertise in video playback, StoreKit 2 subscriptions, and CI/CD automation. I value clear architecture decisions, robust testing, and seamless collaboration from design to App Store delivery.

Skills

Experience Level

Expert

Expert

Intermediate

Intermediate

Work Experience

Senior iOS Developer at Cloud Employee Ltd

April 1, 2025 - Present

Primary iOS engineer on MSNow (MSNBC), contributing across the full iOS feature set with a focus on video player development using the ViewLift SDK, supporting live streams, VOD, and ad-integrated playback. Also contributed to StoreKit 2 subscriptions (Project Beacon) and TVE/MVPD authentication features.

Senior iOS Developer at Appetiser Apps

March 1, 2024 - March 1, 2025

Collaborated on multiple client projects with cross-functional Product, Backend, and QA teams, delivering high-quality iOS features across domains. Contributed to architecture decisions and consistently met delivery milestones.

Senior iOS Developer (Freelance) at Fuelin

March 1, 2024 - June 1, 2024

Delivered enhancements and new features on Fuelin, a performance nutrition app for athletes available on the App Store.

Senior iOS Developer at KonsultaMD

October 1, 2021 - March 1, 2024

Designed and shipped healthtech features enabling online medical consultations, diagnostics scheduling, and medicine delivery for thousands of daily active users. Drove architectural improvements that reduced crash rates and improved App Store ratings.

Senior iOS Developer at MonstarLab Inc.

September 1, 2020 - October 1, 2021

Contributed to multiple client-facing iOS projects within a globally distributed agency environment. Strengthened cross-functional collaboration with developers, designers, and PMs; delivered polished, high-quality features on accelerated timelines.

iOS Developer at Yeojinet Outsourcing Solutions

January 1, 2019 - July 1, 2020

Developed high-quality, maintainable Swift code across multiple client projects. Mentored junior iOS developers, conducted code reviews, and introduced best practices around code structure and testing.

iOS Developer at MicroSLT Inc.

December 1, 2017 - December 1, 2018

Built a full-featured social media application with news feed, real-time messaging, audio calling, and community interaction features; refined core Swift skills while meeting client requirements.

Junior iOS Developer at HTech Corporation

October 1, 2016 - December 1, 2017

Developed client-facing iOS applications emphasizing performance, usability, and seamless user experience; gained foundational expertise in the full iOS development lifecycle.