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Rifaldi Yoga Andriansyah Kota Surabaya, Jawa Timur, Indonesia || [email protected] A seasoned Mobile Developer with a demonstrated history of delivering high-quality, user-centric mobile applications. With five years of experience in the industry, I have honed my skills in mobile development, specializing in creating robust and efficient mobile solutions. My passion for crafting intuitive user interfaces and optimizing application performance drives me to stay updated with the latest technologies and best practices in the field. Work Experiences Mobile Developer • PT. BITS MILIARTHA (bee.id) MeiPresent | Surabaya, Indonesia Accounting & Cashier Software No

Co., Ltd , Android Engineer , Jan 2021 ~ Present As a member of Whoscall Android team. 1. Collaborate with cross-functional team to define, build and architect new customer-facing features for global users. 2. Implement new features of Whoscall. 3. Study new technologies about Mobile development. 4. Create prototypes of new technologies. 5. Understanding business logic and provide flexible solutions. Taiwan Huayi Media Co., Ltd, Android 工程師, Dec 2019 ~ Nov負責 VPN app 相關功能模組的設計開發和

Chen- Li, Huang(Yoie) 1989/12/21 Senior Mobile Engineer [email protected] Skill Language SwiftUI / Swift / Object-c / Git / JAVA / C++ / Flutter CI/CD Testing Appium / RobotFramework / Jenkins / Xcode server/ Git Action Backend AWS / RESTful API / FireBase / Mixpanel / XCode Server / GraphQL Tool Xcode / Android Studio/ Visual Studio / Jira / Figma / Lottie Source Control GitHub / GitLab/ GitFox / Fork / SourcTree /Bit Bucket Work Experience iOS Engineer Sequent Sepnow Taipei, Taiwan

Software Test/Validation IECfor Software Engineering Lead Software Development (Define requirements, architecture, Q.A.) Product: Soteria DcmRecons Senior Software Engineer • DELTA AprDecIECDocuments for Software Engineering Surveys OGRE (v2.1 Data Oriented Technology) & OpenCASCAD Senior Software Engineer • Moregeek Entertainment SeptMarComputer Graphics Techniques (OpenGL / Direct3D) Game Engine Development (Irrlicht: OpenGL / OpenGL ES) Game Client Development (Timeline for in-Game Storytelling) Rendering Quality and Performance Tuning (Shadow Mapping / Hardware Skinning / Normal Mapping) Mobile Game App (iOS/Android) Development (Video Player / iOS ReplayKit) FX Editor Tool Development (Technical Artist Development: Timeline Editor, Shaders) Product

Ethereum, Bitcoin, Polkadot, Solana. Additionally, skilled in implementing zero-knowledge proof solutions for enhanced privacy and security in blockchain transactions. App Integration with LLM using RAG: Proficient in integrating applications with Large Scale Language Model (LLM) using Retrieval-Augmented Generation (RAG), for enhanced user experiences. Web and Mobile App Development: Skilled in developing robust web and mobile applications that deliver seamless user experiences and drive business growth. Cloud Architecture Design: Experienced in designing cloud-native architectures, focusing on scalability, resilience, and efficiency. Proficient in utilizing Kubernetes and Prometheus for orchestrating and monitoring distributed systems.

SaaS startups from the US – Designed a lot of features that helped improve product metrics Product Designer • BTSDigital SeptemberNovember 2018 – Worked at a major company in Kazakhstan on government products – Entirely designed a product for for scanning and storing biometrics – Supported the core product of the company – Participated in a development of the design system UI/UX Designer • Kolos Studio AugustAugust 2018 – Started my career as a web-designer, working on the websites for companies – When the company’s focus changed, I moved on to the development of mobile apps for iOS and Android – Designed apps that are daily

.com EducationNational Cheng Kung University ( 國立成功大學 ) Computer Science and Information Engineering ( 資訊工程學系 ) Work Experience Software Engineer • Velodash ( 沛司科技股份有限公司 ) AprOct 2023 | Taipei, Taiwan In this company, I am responsible for the development of both mobile apps and webpages. I worked on two major projects. The first one is the B2B-side application called Staff ( Web / Android / iOS ), and the second is the B2C-side project called Velodash ( Web / Android / iOS ). Due to the similarity