Available to hire
Hi, I’m Alief Mumtaz, a mobile-focused software engineer with 5+ years of hands-on experience building cross-platform apps using Flutter and React Native. I’ve delivered 9 mobile apps published on the App Store and Play Store, and I enjoy shaping architecture, writing technical docs, and choosing the right technologies to meet business needs.
I’ve worked across education, government, community, food service, social media, airports, mental health, and hospitality sectors. I’m energized by collaborating with stakeholders and teams to translate complex requirements into practical, scalable mobile solutions.
Experience Level
Language
English
Advanced
Work Experience
Mobile Developer at Digital
May 1, 2024 - PresentCurrent role delivering cross-platform mobile solutions across Bali and Melbourne, driving feature development, architecture decisions, and CI/CD practices while supporting multiple projects with Flutter and React Native.
Lead Mobile Developer at 2-Ways
August 1, 2023 - May 1, 2024Led mobile development efforts for a travel/hospitality product, translating business requirements into actionable tasks for a React Native-based app and coordinating cross-functional work to improve booking flows and user experience.
Software Engineer - Mobile at Volantis Technology
July 1, 2022 - May 1, 2023Shaped mobile architecture decisions, contributed to scalable delivery, and implemented features including video reels, transitions, product detail experiences, and RESTful API integrations with Zustand, TanStack Query, AsyncStorage, and payment processing (Xendit).
Mobile Engineer - Flutter at Alterra Academy
February 1, 2023 - August 1, 2023Refactored legacy code into clean architecture, enabling modular feature development; improved development processes, implemented CI/CD with Fastlane, and delivered key features such as balance top-up, quizzes, bill pay, and live-location attendance.
Mobile Developer at Booble Mitra Kreatif
April 1, 2022 - August 1, 2022Single mobile developer for an education-focused app (BLC App – Binta Learning Center); built cross-platform features using Flutter with MVVM architecture to ensure scalable, maintainable code and access to ebooks and video-based learning content.
Mobile Developer & Project Team Lead at Yotta Indonesia
January 1, 2021 - August 1, 2022Led end-to-end product development, including prototyping, user/market research, and UI/UX (Figma); delivered multiple products (user app, store app, and web-based Learn Management System) and advocated for a full-stack approach using Flutter, Firebase, Google Maps, and modern frontend/back-end technologies.
Education
Bachelor of Psychology at State University of Makassar
January 11, 2030 - April 26, 2026Qualifications
Industry Experience
Education, Government, Media & Entertainment, Software & Internet, Travel & Hospitality, Healthcare, Non-Profit Organization
Experience Level
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