Available to hire
Hi, I’m Gerald Kim, a dedicated iOS and cross‑platform mobile developer with experience shipping apps using Swift, SwiftUI, Objective-C, and React Native. I thrive in collaborative, cross‑functional teams and enjoy turning ideas into polished, scalable software. I lead the full development lifecycle from planning to deployment and ongoing maintenance, always aiming for high quality code and a strong user experience.
I prioritize clear communication and thoughtful architecture, and I enjoy mentoring teammates while delivering reliable solutions for clients and stakeholders across the globe.
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Language
English
Fluent
Work Experience
iOS Developer at Forty Degrees Celsius Inc.
December 1, 2024 - October 14, 2025Developed iOS apps using Swift, SwiftUI, and Objective-C; led cross-functional collaboration and delivered mobile solutions for multiple apps including hotel search, trading, and wellness platforms. Conducted code reviews and contributed to architecture and performance improvements.
Mobile Developer at Healthy Hip Hop
June 1, 2022 - PresentFreelance React Native and Expo mobile development; Enhanced, maintained, and added features in Swift and Objective-C; collaborated with a large cross-functional team; led project tasks and requirements; built iOS apps for project collaboration, video greetings, hotel search, and wellness platforms.
Software Engineer at Full Scale Inc.
August 1, 2018 - October 14, 2025iOS software engineer focusing on Swift and Objective-C; contributed to full software development lifecycle; built high-performance mobile apps; worked with cross-functional teams.
Mobile Developer at Appstone Tech.
April 30, 2022 - October 14, 2025iOS development with Swift and React Native; collaborated with design teams; utilized Figma and VS Code to deliver mobile solutions.
iOS App Developer at RealBooks
March 1, 2025 - PresentDeveloped iOS apps using Swift, SwiftUI, Objective-C, React Native, and Flutter; led full lifecycle development; shipped apps to App Store and Google Play; built features for collaboration and other mobile-focused projects.
iOS Developer at Forty Degrees Celsius Inc.
December 1, 2024 - October 14, 2025iOS Developer building and maintaining iOS apps using Swift, SwiftUI, and Objective-C. Led the full software development lifecycle from architecture to deployment, collaborating with cross‑functional teams to deliver scalable, high‑performance mobile solutions and features.
Mobile Developer at Freelance – Adobe XD Mobile Developer
May 1, 2022 - October 14, 2025Mobile development role focusing on Swift and React Native for cross‑platform experiences, delivering iterative enhancements and collaborating with clients to meet requirements.
Software Engineer at Full Scale Inc.
August 1, 2018 - October 14, 2025Software Engineer specializing in iOS development (Swift & Objective‑C) and cross‑functional collaboration to deliver robust mobile applications.
Mobile Developer at Appstone Tech
March 1, 2025 - PresentiOS/Android mobile development using Swift and React Native; led end‑to‑end app development for cross‑functional projects and partnered with clients to gather requirements and deliver user‑centric solutions.
iOS Developer at Forty Degrees Celsius Inc.
December 1, 2024 - October 14, 2025iOS development focusing on Swift, SwiftUI, and Objective-C; led app features, collaborated with cross-functional teams, performed peer code reviews, and ensured code quality and best practices across the lifecycle.
Freelance iOS Developer at Healthy Hip Hop (Freelance)
June 1, 2022 - PresentEnhanced, maintained, and added features in Swift and Objective-C for React Native Expo projects; collaborated with a large cross-functional team, conducted code reviews, and contributed to continuous app improvements for iOS apps such as hotel search and e-commerce/trading apps.
Software Engineer at Full Scale Inc.
August 1, 2018 - October 14, 2025iOS development using Swift and Objective-C; contributed to app architecture, implemented features, and performed testing and collaboration with cross-functional teams.
Education
Bachelor of Science in Computer Engineering at University of San Carlos
January 1, 2012 - January 1, 2016Bachelor of Science in Electronics and Communications Engineering at University of San Carlos
January 1, 2009 - January 1, 2012High School Diploma at Saint Louis College Cebu
January 1, 2005 - January 1, 2009Elementary Education at Mandaue Christian School
January 1, 1999 - January 1, 2005Bachelor of Science in Computer Engineering at University of San Carlos
January 1, 2012 - January 1, 2016High School Diploma at Saint Louis College Cebu
January 1, 2005 - January 1, 2009Elementary Education at Andau Christian School
January 1, 1999 - January 1, 2005Bachelor of Science in Computer Engineering at University of San Carlos
January 1, 2012 - January 1, 2016High School Diploma at Saint Louis College Cebu
January 1, 2005 - January 1, 2009Elementary Education at Mandaue Christian School
January 1, 1999 - January 1, 2005Qualifications
Industry Experience
Software & Internet, Media & Entertainment, Education, Professional Services
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Hire a App Developer
We have the best app developer experts on Twine. Hire a app developer in Cebu City today.