Available to hire
Hi, I’m Jonathan, a mobile application developer with 4 years of experience delivering scalable apps for education and travel-tech sectors. I enjoy turning product requirements into robust features and collaborating with designers and QA to ship high-quality experiences.
I thrive in cross-functional teams, love modernizing legacy codebases with React Native, Flutter, and native iOS/Android, and optimizing performance.
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Language
Indonesian
Fluent
English
Advanced
Work Experience
Mobile Application Developer at PT. Indo Teknologi Cemerlang
July 1, 2024 - PresentDevelop and implement new features for mobile apps based on product and business requirements. Identify, troubleshoot, and fix bugs and application errors to ensure stability and reliability. Continuously improve application performance, code quality, and user experience. Collaborated with UI/UX designers and QA engineers to deliver high-quality, well-tested, and user-centered mobile features.
SPV Mobile Developer at PT. Extramarks Education Indonesia (Kelas Pintar)
August 1, 2023 - July 31, 2024Led and mentored a team of mobile developers to ensure high-quality and timely feature delivery. Conducted technical analysis for new requirements provided by the product team. Reviewed code, enforced best practices, and provided constructive feedback to improve code quality. Coordinated cross-functional meetings with Product, Project Management, and QA teams to align development priorities and resolve issues.
Mobile Application Developer at PT. Extramarks Education Indonesia (Kelas Pintar)
March 1, 2022 - August 31, 2023Developed mobile applications for B2B and B2C use cases. Built and maintained iOS applications using Swift and Flutter, delivering new features and resolving bugs to improve stability and user experience. Managed app deployment and publishing via App Store Connect and Google Play Console. Worked independently and collaboratively with cross-functional development teams.
Front End Developer at Ayo Code Indonesia
April 1, 2021 - March 31, 2022- Developed responsive web and mobile application interfaces for client projects.
- Translated UI/UX designs from Figma to clean, maintainable, and reusable code.
- Collaborated closely with UI/UX designers and back-end developers to ensure seamless integration and optimized user experience.
- Ensured cross-device compatibility and responsive design across multiple screen sizes.
Education
Bachelor's Degree in Information Systems at Bina Nusantara Online Learning University
January 1, 2022 - January 1, 2026Qualifications
Industry Experience
Software & Internet, Education, Professional Services, Media & Entertainment
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
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