Ferius Josewil
@feriusjosewil
QA Tester for mobile and web apps, using developer experience to catch defects and improve release quality.
IndonesiaWhat I'm looking for
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
Work history, roles, and key accomplishments
Freelance Software Engineer
Self-employed
Jan 2023 - Present (3 years 9 months)
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 App Developer
PT. Sempurna Indo Media
Jan 2020 - Dec 2022 (2 years 11 months)
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.
Fullstack Web Developer
PT. Sempurna Indo Media
Jan 2019 - Dec 2020 (1 year 11 months)
Developed and maintained websites using HTML, CSS, JavaScript, and modern frameworks, checking layouts and behavior across browsers and screen sizes. Gained working knowledge of the full web stack, which now supports faster root-cause analysis of front-end and back-end defects.
Education
Degrees, certifications, and relevant coursework
Universitas Mikroskil
Bachelor of Informatics Engineering, Informatics Engineering
2018 - 2023
Bachelor of Informatics Engineering degree from Universitas Mikroskil from 2018 to 2023.
Dicoding
UX Design Course, UX Design
Completed the UX Design Course at Dicoding in 2022.
Associate Android Developer, Android Development
Earned the Google Developer Certification: Associate Android Developer in 2022.
Bangkit Academy
Bangkit Academy, Technology
Completed the Bangkit Academy program led by Google, Tokopedia, Gojek & Traveloka in 2022.
Dicoding
Git Course, Git
Completed the Git Course at Dicoding in 2022.
Availability
Location
IndonesiaAuthorized to work in
Salary expectations
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