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Ferius Josewil
Looking for a jobFreelance Software Engineer
QA Tester for mobile and web apps, using developer experience to catch defects and improve release quality.
IndonesiaFreelance Software Engineer at Self-employed
About
As a Freelance Software Engineer, I validate mobile and web projects for functionality, usability, and performance before client releases. I debug defects across iOS, Android, and web, and verify each deliverable against clear acceptance criteria.
At PT. Sempurna Indo Media, I built and maintained Android and cross-platform apps, testing features throughout development and fixing bugs and performance bottlenecks. I also developed websites and checked their behavior across browsers and screen sizes.
Experience
Freelance Software Engineer
Delivered mobile and web projects end to end, validating functionality, usability, and performance before every client release. Debugged and resolved defects across iOS, Android, and web platforms, ensuring a consistent user experience.
Mobile DevelopmentWeb DevelopmentDebuggingiOSAndroidWeb PlatformClient CommunicationProject Management
Mobile App Developer
Built and maintained native Android (Kotlin) and cross-platform (Flutter, React) apps, testing features throughout development to catch issues early. Identified, reproduced, and fixed bugs and performance bottlenecks to improve app stability and responsiveness.
AndroidKotlinFlutterReactTesting
Education
Universitas Mikroskil
Bachelor of Informatics Engineering degree from Universitas Mikroskil from 2018 to 2023.
Bachelor of Informatics Engineering degree from Universitas Mikroskil from 2018 to 2023.
Dicoding
Completed the UX Design Course at Dicoding in 2022.
Completed the UX Design Course at Dicoding in 2022.
Google
Earned the Google Developer Certification: Associate Android Developer in 2022.
Earned the Google Developer Certification: Associate Android Developer in 2022.
Bangkit Academy
Completed the Bangkit Academy program led by Google, Tokopedia, Gojek & Traveloka in 2022.
Completed the Bangkit Academy program led by Google, Tokopedia, Gojek & Traveloka in 2022.
Dicoding
Completed the Git Course at Dicoding in 2022.
Completed the Git Course at Dicoding in 2022.