June Kyle Santerna
@junekylesanterna
I build high-performance web, mobile, TV, and Android applications that improve user experiences.
PhilippinesWhat I'm looking for
I've built web, mobile, TV, and Android products for OnlineJobs.PH, TVStartup Inc, Timex Group, and freelance clients, focusing on performance, stability, and user experience.
At Timex Group, I created an Android watch simulation that cut marketing costs by 90%, improved app load time by 40%, and led code reviews that reduced crashes by 50%. I also automated web app testing with Selenium, reducing effort and time by 60%.
More recently, I've developed cross-platform applications using Kotlin, React, React Native, Jetpack Compose, and modern backend APIs. I enjoy turning ideas into practical digital products, from e-commerce and healthcare tools to event discovery and membership management apps.
Experience
Work history, roles, and key accomplishments
Web and Mobile Developer
OnlineJobs.PH
Jul 2025 - Present (1 year 2 months)
Lead the development of web and mobile applications with a focus on performance, stability, and user experience. Implemented core app features using Kotlin, React, and React Native, and integrated backend APIs for real-time data updates.
Mobile and TV App Developer
TVStartup Inc
Feb 2025 - May 2025 (3 months)
Built and maintained Android, Apple TV, and Roku apps with consistent UX across platforms. Published 30+ channels on Google Play and Roku, and migrated Android app to Jetpack Compose (Kotlin Multiplatform).
Android Developer
Timex Group
May 2023 - Feb 2025 (1 year 9 months)
Created Android watch simulation, cutting marketing costs by 90%. Led code reviews that cut app crashes by 50% and improved stability, and automated web app tests with Selenium.
Freelance Software Developer
Fiverr/Freelance
May 2022 - May 2023 (1 year)
Built an e-commerce app for a small business, increasing customer acquisition by 40%. Developed a Windows app for vital sign graphing and CDSS, reducing nurse workload by 80%.
Education
Degrees, certifications, and relevant coursework
University of Cebu - Banilad
Bachelor of Science, Information Technology
2018 - 2022
Grade: 1.7
Activities and societies: Dean's Lister
Pursued a Bachelor of Science in Information Technology, graduating in 2022. Achieved Dean's Lister recognition with a GPA of 1.7.
Tech stack
Software and tools used professionally
Availability
Location
PhilippinesAuthorized to work in
Website
jikisan.github.io/portfolioPortfolio
jikisan.github.io/portfolioSalary expectations
Job categories
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