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.
Work Experience
Senior iOS Developer at Cloud Employee Ltd
April 1, 2025 - PresentPrimary 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, 2025Collaborated 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, 2024Delivered 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, 2024Designed 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, 2021Contributed 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, 2020Developed 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, 2018Built 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, 2017Developed client-facing iOS applications emphasizing performance, usability, and seamless user experience; gained foundational expertise in the full iOS development lifecycle.
Education
Bachelor of Science in Information Technology at San Beda College Alabang
June 1, 2013 - April 1, 2017Qualifications
Industry Experience
Media & Entertainment, Healthcare, Software & Internet, Professional Services
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