Available to hire
Hi, I’m Lukas Kristianto, a Senior Android and Flutter Engineer with over 8 years of experience building high-performance mobile applications. I specialize in Kotlin, Flutter, and integrating AI/ML solutions to create scalable and innovative apps that really make an impact.
I enjoy leading full project lifecycles and mentoring junior engineers to grow their skills. I’ve worked on diverse projects from e-commerce platforms to warehouse management systems, always striving to deliver excellent user experiences and advanced AI-driven features.
Work Experience
Specialist Product Application and AI Development at Asia Pulp and Paper
April 1, 2021 - PresentLed Android application development using Kotlin, MVVM, Jetpack Compose, Kotlin Coroutines, and Clean Architecture principles throughout full project lifecycles. Managed project timelines, resources, and deliverables with Agile methodologies and Jira. Mentored junior developers in Android and AI development, ensuring best practices. Led AI initiatives including OCR and Deep Learning model development, integrating them into mobile applications. Implemented Large Language Model fine-tuning to deliver smart recommendation insights, enhancing user experience through advanced AI-driven suggestions.
Specialist Product Application and AI Development at Asia Pulp and Paper
April 1, 2021 - PresentLed Android application development using Kotlin, MVVM, Jetpack Compose, Kotlin Coroutines, and Clean Architecture principles across full project lifecycles. Managed project timelines, resources, and deliverables using Agile methodologies and Jira for sprint planning and task tracking. Mentored junior developers in Android and AI development, ensuring best practices and skill development. Monitored project risks, implemented mitigation strategies, and reported progress to senior management. Led AI initiatives, including OCR and Deep Learning model development, integrating them into mobile applications. Implemented Large Language Model (LLM) fine-tuning to deliver smart recommendation insights, enhancing user experience through advanced AI-driven suggestions.
Software Engineer Android at Tokopedia
March 31, 2021 - August 2, 2025Maintained and developed Tokopedia Android features using Java/Kotlin, MVVM, RxJava, GraphQL, ExoPlayer, Dependency Injection, Dynamic and Modular Features, Test Driven Development, and Clean Architecture. Improved homepage, official store, recommendations, and wishlist performance by 40% through code optimization and caching. Pioneered Test Driven Development adoption achieving 90% test coverage. Developed Tokopedia Play, the platform’s first video feature. Contributed to Dynamic Feature delivery, reducing APK size from 98MB to 30MB, and automated Dark Mode adaptation across 326 modules.
Software Engineer Android at Tokopedia
March 31, 2021 - August 2, 2025Maintained and developed Tokopedia Android features using Java/Kotlin, MVVM, RxJava, GraphQL, ExoPlayer, Dependency Injection, Dynamic and Modular Features, TDD, and Clean Architecture. Improved homepage, official store, recommendations, and wishlist performance by 40% through code optimization and caching strategies. Pioneered Test Driven Development adoption across tribes and modules, achieving 90% test coverage. Researched and developed Tokopedia Play, the platform’s first video feature for Indonesian e-commerce. Contributed to Dynamic Feature delivery, reducing APK size from 98MB to 30MB. Automated Dark Mode adaptation for 326 modules by creating a script to convert hardcoded color schemes.
Software Engineer Android at Renseki
March 31, 2019 - August 2, 2025Maintained and enhanced Point of Sale (YA-POS) mobile application using Java/Kotlin, MVVM, RxJava, offline-first approach, achieving 65% unit testing coverage. Developed Sales Force mobile application using Flutter and BLoC with 78% unit testing coverage, following Clean Architecture best practices.
Software Engineer Android at Renseki
March 31, 2019 - August 2, 2025Maintained and enhanced Point of Sale (YA-POS) mobile application using Java/Kotlin, MVVM, RxJava, offline-first approach, and 65% unit testing coverage. Developed Sales Force mobile application using Flutter, BLoC, achieving 78% unit testing coverage, following Clean Architecture best practices.
Education
Bachelor of Technology at Sekolah Tinggi Teknik Surabaya
January 1, 2013 - December 31, 2017Bachelor of Technology at Sekolah Tinggi Teknik Surabaya
January 1, 2013 - December 31, 2017Qualifications
Pytorch
April 1, 2024 - April 30, 2024Data Science Bootcamp
December 1, 2022 - December 31, 2022UI/UX Beginners
January 1, 2022 - January 31, 2022React JS
November 1, 2021 - November 30, 2021Tensorflow Deep Learning
October 1, 2021 - October 31, 2021Pytorch
April 1, 2024 - April 30, 2024Data Science Bootcamp
December 1, 2022 - December 31, 2022UI/UX Beginners
January 1, 2022 - January 31, 2022React JS
November 1, 2021 - November 30, 2021Tensorflow Deep Learning
October 1, 2021 - October 31, 2021Industry Experience
Software & Internet, Retail, Manufacturing, Transportation & Logistics, Agriculture & Mining
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