Available to hire
I’m a Senior Mobile Engineer & Architect with 5+ years of experience building high-performance native Android (Kotlin), iOS (Swift), and cross-platform (Flutter) apps. I specialize in systems integration and offline-tolerant POS architectures, bridging hardware such as IoT, BLE, and RFID with scalable software.
I’ve delivered solutions across Healthcare, E-commerce, Fintech, and Logistics, leveraging Clean Architecture and robust state management, with a strong emphasis on testing and reliability. I also embrace AI-assisted development to accelerate delivery while preserving code quality and architectural integrity.
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Language
Indonesian
Fluent
English
Fluent
Work Experience
Mobile Engineer at Wowrack Indonesia (Remote /Hybrid)
April 1, 2023 - April 1, 2026Architected and maintained scalable Flutter applications for global Smart Home & IoT ecosystems (Stadium & NotoLabs). Integrated Tuya SDK to enable device orchestration and complex automation, ensuring 99.9% state consistency across diverse hardware. Reduced device monitoring latency by 15% through real-time data streaming via WebSockets and low-energy BLE. Optimized industrial workflows with offline-first Android solutions for Zebra MC3300 RFID and UHF-RH03 handheld terminals, ensuring resilient UI/state in unreliable networks and increasing asset-tracking accuracy by 25%. Accelerated feature delivery by 20% through AI-assisted development tools to refactor legacy modules and improve maintainability. Collaborated with cross-functional teams in Indonesia and the USA to align mobile infrastructure with international server standards.
Mobile Engineer at Wowrack Indonesia
April 1, 2023 - PresentHard-working software engineer with 4+ years of experience focusing on Flutter, Kotlin, and IoT integration (BLE, Stream). Proficient in Python and experienced with architectural frameworks such as GetX and Provider. Skilled in building scalable apps using Clean Architecture, with a proven track record delivering solutions in healthcare, e-commerce, and IoT sectors.
Mobile Engineer at Wowrack
April 1, 2023 - PresentCreating a Flutter app with the Provider architecture, ensuring the feature is stable before releasing it to the store. IoT Stadium is a mobile app designed for connecting IoT devices—allowing users to view, control, or edit devices, stream data via sockets, and interact with BLE devices.
Freelance Mobile Developer Maintainer at IndiHealth Indonesia
March 1, 2023 - December 1, 2023Mar - Dec 2023 Freelance Maintainer for IndiHealth. Enhanced telemedicine capabilities and stability; patched critical bugs for INDIHealth/IDok platforms and ensured HIPAA-compliant data handling during peak usage.
Freelance Mobile Developer at IndiHealth Indonesia (Remote)
March 1, 2023 - December 1, 2023Mar-Dec 2023 Freelance Mobile Developer for IndiHealth Indonesia; contributed to continued mobile development and maintenance for IndiHealth apps, optimizing video call stability and overall app performance while coordinating with remote teams.
Freelance Mobile Developer at IndiHealth Indonesia
March 1, 2023 - December 31, 2023Freelance/mobile maintainer delivering IndiHealth apps (INDIHealth App, IDok App) with reliable maintenance, bug fixes, and platform updates for remote clients.
Mobile Developer at Propnex+ Indonesia
March 1, 2023 - December 1, 2023Revamped the legacy codebase using MVVM architecture and Provider to address critical stability issues in the production app. Reduced application crash rate by 30% through rigorous bug fixing and performance optimization, significantly improving user retention and reliability for property agents.
Freelance Mobile Developer at Propnex+ Indonesia
March 1, 2023 - December 1, 2023Revamped the legacy codebase using MVVM architecture and Provider to address critical stability issues in the production app. Reduced application crash rate by 30% through rigorous bug fixing and performance optimization, significantly improving user retention and reliability for property agents.
Freelance Mobile Developer at Prop Nex+ Indonesia
March 1, 2023 - December 1, 2023Maintained and enhanced mobile apps by improving stability and delivering new production features. Applied Provider with MVVM architecture to ensure a maintainable and scalable codebase.
Freelance Flutter Developer at Propnext Indonesia
March 1, 2023 - June 30, 2023Maintained the PropNex Plus app by enhancing overall stability, optimizing performance, and delivering new features to the production store, ensuring a seamless experience for end users.
Mobile Developer at Seraphim
August 1, 2022 - January 31, 2023Created a health care and hospital management app, ensuring stability and functionality for internal members.
Mobile Developer at Maven Digital Asia
March 1, 2022 - March 1, 2023Developed an Android health care app using Kotlin (MVVM) with API integration for the HCA Hospice project.
Jr. Mobile Developer at Maven Digital Asia
March 1, 2022 - March 1, 2023developed and maintained Android and Flutter applications across various domains such as healthcare, e-commerce, social media, IoT, and booking systems. I collaborated with project managers to implement new features, integrate APIs, and deliver stable applications using Kotlin (MVVM) and Flutter (Provider) architectures. Throughout projects like PropNex Plus, Collins (restaurant booking), PinGo (social photo sharing), NTU (campus facility booking), VinGeek (e-commerce), Seraphim (healthcare), and HCA Hospice, I focused on enhancing performance, stability, and user experience while ensuring smooth deployment to production stores.
Freelance Mobile Developer at GeekGarden Indonesia
January 1, 2022 - March 1, 2022Developed core cryptocurrency trading features for the 'Vonix' platform using Kotlin (MVVM). Implemented secure biometric authentication and responsive UI components to support a safe trading environment with real-time market data visualization.
Freelance Mobile Developer at Propnex+ Indonesia
January 1, 2022 - March 1, 2022Refactored a legacy real estate application to MVVM architecture using Provider, reducing technical debt, improving scalability, and delivering UI/UX enhancements that yielded a 5.0 App Store rating and 1k+ downloads.
Freelance Mobile Developer at GeekGarden Indonesia (Remote)
January 1, 2022 - March 1, 2022Developed core cryptocurrency trading features for the Vonix platform using Kotlin (MVVM), focusing on real-time market data visualization via REST APIs. Implemented secure biometric authentication and responsive UI components to ensure a safe and seamless trading environment.
Freelance Mobile Developer at Propnex+ Indonesia (Remote)
January 1, 2022 - March 1, 2022Refactored legacy real estate application codebase by migrating to MVVM architecture with Provider, resolving long-standing technical debt and improving scalability. Reduced crash rate by 30% through targeted debugging and profiling, delivering UI/UX enhancements and achieving a 5.0-star App Store rating with 1k+ downloads.
Freelance Mobile Developer at IndiHealth Indonesia (Remote)
January 1, 2022 - March 1, 2022Enhanced telemedicine video call stability by integrating Jitsi Meet SDK and optimizing Android core services to support a 25% increase in concurrent patient-doctor traffic. Maintained HIPAA-compliant data handling and patched critical bugs for the INDIHEALTH and IDok platforms, ensuring smooth user experiences.
Mobile Developer Maintainer at Propnex+ Indonesia
January 1, 2022 - March 1, 2022Refactored legacy real estate application to MVVM architecture with Provider, reducing crashes by 30% and improving performance and user experience, achieving 1k+ downloads and 5.0+ app store rating.
Mobile Developer Maintainer at IndiHealth Indonesia
January 1, 2022 - March 1, 2022Enhanced telemedicine video call stability by integrating Jitsi Meet SDK and optimizing Android core services to handle increased concurrent traffic; maintained and patched critical bugs for IDok and IndiHealth platforms ensuring HIPAA-compliant data handling and smooth user experience.
Maintainer at GeekGarden Indonesia
January 1, 2022 - March 1, 2022Built core trading features for the 'Vonix' cryptocurrency app using Kotlin (MVVM) and integrated REST APIs, ensuring a responsive environment for real-time market data visualization.
Maintainer at iHealth Indonesia
January 1, 2022 - March 1, 2022Optimized the Android application core and integrated Jitsi Meet to support increasing telemedicine traffic, enhancing video call stability and the overall patient-doctor experience.
Mobile Developer Maintainer at GeekGarden Indonesia
January 1, 2022 - March 31, 2022Built core trading features for the 'Vonix' cryptocurrency app using Kotlin (MVVM) and integrated REST APIs, ensuring a responsive environment for real-time market data visualization.
Mobile Developer Maintainer at iHealth Indonesia
January 1, 2022 - March 31, 2022Optimized the Android application core and integrated Jitsi Meet to support increasing telemedicine traffic, enhancing video call stability and the overall patient-doctor experience.
Mobile Developer at INDI Health / IDOK Telemedicine
January 1, 2022 - March 1, 2022Maintained and improved an Android health care app with Jitsi-based teleconsultation, bug fixes and feature enhancements.
Mobile Developer at GeekGarden Indonesia
January 1, 2022 - March 1, 2022Developed an Android app for trading and cryptocurrency using Kotlin (MVVM) with API integration, ensuring a stable and responsive experience.
Mobile Developer at Collins
December 1, 2021 - January 31, 2022Contributed to a restaurant booking app by implementing assigned features under PM direction.
Android App Developer at PinGo
August 1, 2021 - December 1, 2021Built an Android app with Kotlin (MVVM) for photo editing, sharing, and recommending popular places.
Mobile Developer at Maven Digital Asia (Remote)
June 1, 2021 - March 1, 2023Collaborated with Singapore-based stakeholders (NTU, IFoundries, HCA Hospice) to gather technical requirements and ensure alignment with international project standards and security protocols. Developed the NTU Smart Campus (Hall Aircon) ecosystem using Flutter (Android & iOS), integrating complex scheduling APIs for a global student body with stable deployment (1,000+ downloads). Engineered the COLLIN’S® Rewards mobile platform using native Kotlin and Swift to support high-traffic reservations and loyalty synchronization for 50,000+ users (4.3+ Google Play rating). Built a cross-platform e-commerce/retail POS solution (VinGeek Singapore) enabling real-time inventory tracking. Streamlined healthcare workflows for HCA Hospice Singapore and Seraphim (Indonesia) with Android (Kotlin/MVVM), improving internal processes and patient management. Translated diverse client requirements into production-ready features using Clean Architecture, driving a 15% increase in user engagement through
Mobile Developer at Maven Digital Asia
June 1, 2021 - March 31, 2023Collaborated with Singapore-based stakeholders (NTU, IFoundries, HCA Hospice) to gather requirements and align with international project standards and security protocols. Built the NTU Smart Campus (Hall Aircon) ecosystem using Flutter (Android & iOS), handling complex scheduling APIs for a global student body with 1,000+ downloads. Engineered COLLIN’S® Rewards mobile platform with scalable Native Kotlin and Swift architectures to support high-traffic reservations and loyalty synchronization for 50,000+ users. Delivered a cross-platform e-commerce solution (VinGeek Singapore) enabling real-time inventory tracking. Optimized healthcare workflows for HCA Hospice Singapore and Seraphim (Indonesia) with Android (Kotlin/MVVM) solutions, improving engagement by 15% through reduced latency and improved state consistency.
Internship Mobile Developer at Maven Digital Asia
June 1, 2021 - February 28, 2022Vonix App: Internship project focusing on core trading features for a cryptocurrency app, using Kotlin (MVVM) and REST APIs to enable real-time market data visualization.
Mobile Developer - Internship at Maven Digital Asia
June 1, 2021 - February 1, 2022Supported mobile development projects; gained exposure to Android development lifecycle and team collaboration.
Mobile Developer Internship at Maven Digital Asia
June 1, 2021 - February 28, 2022Education
Bachelor Degree in Electrical Engineering at Institut Teknologi Sepuluh Nopember (ITS)
September 1, 2015 - September 1, 2021Bachelor of Electrical Engineering at Institut Teknologi Sepuluh Nopember (ITS), Surabaya, Indonesia
January 11, 2030 - December 4, 2025Bachelor of Electrical Engineering (Honours) at Institut Teknologi Sepuluh Nopember
August 1, 2015 - October 1, 2021Bachelor of Electrical Engineering (Honours) at Institut Teknologi SepuluhNopember - Surabaya, Indonesia
August 1, 2015 - October 1, 2021Bachelor of Electrical Engineering (Honours) at Institut Teknologi SepuluhNopember
August 1, 2015 - October 1, 2021Bachelor of Electrical Engineering (Honours) at Institut Teknologi SepuluhNopember
August 1, 2015 - October 1, 2021Bachelor of Electrical Engineering (Honours) at Institut Teknologi Sepuluh Nopember - Surabaya, Indonesia
August 1, 2015 - October 1, 2021Bachelor of Electrical Engineering (Honours) at Institut Teknologi Sepuluh Nopember, Surabaya, Indonesia
August 1, 2015 - October 1, 2021Qualifications
Honors
January 11, 2030 - September 18, 2025Atlassian Agile Project Management Professional Certification
January 11, 2030 - December 4, 2025Basic Mobile Developer Certification
January 11, 2030 - December 4, 2025Flutter Essential Training: Build for Multiple Platforms
January 11, 2030 - January 5, 2026Building for Multiple Platforms - LinkedIn Learning
January 11, 2030 - January 5, 2026Agile Foundations - LinkedIn Learning
January 11, 2030 - January 5, 2026Dart: Clean Code; Writing High-Efficiency and Maintainable Dart - LinkedIn Learning
January 11, 2030 - January 5, 2026Flutter Maintenance - CourseNet
January 11, 2030 - January 5, 2026Basic Mobile Developer - ProGate
January 11, 2030 - January 5, 2026IBM iOS and Android Mobile App Developer Professional Certificate - IBM
January 11, 2030 - January 5, 2026Atlassian Agile Project Management Professional Certificate - Atlassian
January 11, 2030 - January 5, 2026Becoming an Effective Internal Trainer - Wowrack
January 11, 2030 - January 5, 2026Project Management Professional (PMP) - Udemy
January 11, 2030 - January 5, 2026IBM iOS and Android Mobile App Developer Professional Certificate
January 11, 2030 - January 5, 2026Atlassian Agile Project Management Professional Certificate
January 11, 2030 - January 5, 2026Becoming an Effective Internal Trainer
January 11, 2030 - January 5, 2026Project Management Professional (PMP)
January 11, 2030 - January 5, 2026Generative AI: Turbocharge Mobile App Development
January 11, 2030 - May 2, 2026Agile Foundations
January 11, 2030 - May 2, 2026Flutter and Dart: Developing iOS, Android, and Mobile Apps
January 11, 2030 - May 2, 2026Foundations of UX Design
January 11, 2030 - May 2, 2026IoT Foundations: Operating Systems Fundamentals
January 11, 2030 - May 2, 2026IBM iOS and Android Mobile App Developer Professional Certificate
January 11, 2030 - May 2, 2026Atlassian Agile Project Management Professional Certificate
January 11, 2030 - May 2, 2026Becoming an Effective Internal Trainer
January 11, 2030 - May 2, 2026Project Management Professional (PMP)
January 11, 2030 - May 2, 2026IoT Foundations and Ecosystems
January 11, 2030 - May 2, 2026Generative AI: Turbocharge Mobile App Development - SkillUp
January 11, 2030 - May 27, 2026Agile Foundations - LinkedIn Learning
January 11, 2030 - May 27, 2026Flutter and Dart: Developing iOS, Android, and Mobile Apps - IBM
January 11, 2030 - May 27, 2026Foundations of UX Design - Google
January 11, 2030 - May 27, 2026IoT Foundations: Operating Systems Fundamentals - LinkedIn Learning
January 11, 2030 - May 27, 2026IBM iOS and Android Mobile App Developer Professional Certificate - IBM
January 11, 2030 - May 27, 2026Atlassian Agile Project Management Professional Certificate - Atlassian
January 11, 2030 - May 27, 2026Becoming an Effective Internal Trainer - Wowrack
January 11, 2030 - May 27, 2026Project Management Professional (PMP) - Udemy
January 11, 2030 - May 27, 2026IoT Foundations and Ecosystems - LinkedIn Learning
January 11, 2030 - May 27, 2026Generative AI: Turbocharge Mobile App Development
January 11, 2030 - May 27, 2026Agile Foundations
January 11, 2030 - May 27, 2026Flutter and Dart: Developing iOS, Android, and Mobile Apps
January 11, 2030 - May 27, 2026EF SET English Certificate 75/100 (C2 Proficient)
January 11, 2030 - May 27, 2026PMP
January 11, 2030 - May 27, 2026Generative AI: Turbocharge Mobile App Development
January 11, 2030 - May 27, 2026Agile Foundations
January 11, 2030 - May 27, 2026Flutter and Dart: Developing iOS, Android, and Mobile Apps
January 11, 2030 - May 27, 2026Foundations of UX Design
January 11, 2030 - May 27, 2026IoT Foundations: Operating Systems Fundamentals
January 11, 2030 - May 27, 2026EF SET English Certificate 75/100 (C2 Proficient)
January 11, 2030 - May 27, 2026IBM iOS and Android Mobile App Developer Professional Certificate
January 11, 2030 - May 27, 2026Atlassian Agile Project Management Professional Certificate
January 11, 2030 - May 27, 2026Becoming an Effective Internal Trainer
January 11, 2030 - May 27, 2026Project Management Professional (PMP)
January 11, 2030 - May 27, 2026IoT Foundations and Ecosystems
January 11, 2030 - May 27, 2026Industry Experience
Healthcare, Software & Internet, Education, Professional Services, Retail, Media & Entertainment, Other, Computers & Electronics, Manufacturing, Transportation & Logistics, Financial Services, Real Estate & Construction
Seraphim is a Flutter application built with Clean Architecture and Provider, designed for seamless healthcare management. It allows users to schedule doctor appointments, view medical history, and access doctor reviews. The app also includes a health analysis questionnaire to help users track their well-being. With its intuitive and user-friendly design, Seraphim delivers a comprehensive platform for managing healthcare needs.
PropNex+ is a Flutter application built with Clean Architecture and Provider, designed to simplify real estate processes. It enables users to sell, rent, and manage property listings with ease. Key features include property input, listing management, posting, sharing, and scheduling open houses. With its seamless and user-friendly interface, PropNex+ provides a complete platform for efficient property transactions.
VinGeek is a Flutter application built with Clean Architecture and Provider, designed to streamline restaurant bookings and food delivery services in Singapore. It allows users to make reservations, order food and drinks for home delivery, and manage their dining experiences with ease. With its convenient and user-friendly interface, VinGeek provides a seamless platform for exploring and enjoying restaurant services.
IoT Stadium is a Flutter application built with Clean Architecture and Provider, enabling seamless management of IoT devices. It provides full CRUD functionality for devices and integrates with BLE (Bluetooth Low Energy) to connect with a BLE gateway, leveraging MQTT and LoRaWAN for communication. Designed with a focus on an intuitive and efficient user experience, IoT Stadium delivers a comprehensive solution for smart stadium management.
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