Cake Talent Search

Developer (Founder) • Self-employed Jan 2019 ~ Jun 2024 | Taipei, Taiwan - Designed a quantitative trading system that employed delta-neutral strategies for options arbitrage, consistently achieving a 4% monthly profit. - Initiated the project from scratch, which involved acquiring knowledge of options, defining the system architecture, evaluating open-source tools, planning data processing flows, programming every snippet, and designing the user experience. - The trading system includes: ETL that schedules (Airflow) crawler tasks to gather latest data and store in databases (MariaDB, MongoDB), Optimization that performs the calculation accelerated by GPU (Numba, RAPIDS) and clustering (Dask) to identify favorable cases for

market, optimizing brand and performance ads on platforms such as Google, Meta, Apple Search Ads, Line, and TikTok. Optimized app download ads on Meta, UAC, Apple Search Ads, and TikTok by improving audience segmentation, resulting in a 30% YoY decrease in CPA. Proficient in using AppsFlyer for app data analysis (DAU/MAU/retention rate), establishing RT audiences, and optimizing in-app events. Managed the MGM Referral Program, planning and executing member referral activities to lower overall new customer acquisition costs. Vpon AI Big Data Group , JanSep 2023 Campaign Manager Working at a big data

sourcing processes and reducing acquisition time by 80%. － Leveraged Python to analyze 15GB of real-time TomTom traffic data in just 5 minutes, improving data processing efficiency by 40% through optimized algorithms for Tableau visualizations of ad-hoc/regular reports. Technical Product Manager | DaaS | CDP | B2B • Vpon Big Data Group 六月九月Technical Product Manager/Data Solution Architect [POI (Point of Interests) Refactoring] － Implemented Agile methodologies to optimize the data development pipeline, reducing time-to-market by 50% through effective cross-functional team leadership in limited time resources. － Architected end-to-end data

Black Belt LSG Group Global Training - Project Management LSG Group Global Training - Sales leadership Education BSc (HON) Hotel Management Languages English - Fluent Cantonese - Native Mandarin - Native Professional Experience Geekplus International Co. Ltd A leading global technology company specializing in smart logistics solutions. The company leverages AI, robotics, and big data to develop cutting-edge automation systems for warehouses and distribution centers. Geekplus offers a range of products, including AMRs for GTP picking, sorting, and material handling. Reporting to: VP of Solution, Project Delivery and Operation Department size: 40 in Hong Kong + 30 in overseas (UK

Portto 門戶科技| Blocto • 九月三 月 2024 Main Responsibilities: Establishing Data Pipeline Exploring new product features and competitor analysis on Dune Dashboard on the EVM User tagging for the Growth team (including Discord bot for monitoring Project details: Data Pipeline Regularly integrating client-side and BE data with external APIs and data collected by bots on Bigquery Establishing a systematic coding data table combined with Slack bot command manual and automatic data replenishment Daily data monitoring with Slack bot Planning client-side (app, sdk js) Amplitude event tracking to maximize data collection Using existing data to

二月Present ． 使用C#開發並維護5套以MVVM為架構主體的程式，包含驅動更新、快捷工具設定、議題回報系統、 Image燒錄 ． 使用Python開發Big Data程式，將公司內部資料進行分析，使數據進階化 ． 使用xUnit撰寫Unit test，測試覆蓋率達8成以上 ． 使用SQLite資料庫進行開發 ． 擔任

rachmad nafisholeh Jember Regency, East Java, [email protected] https://www.linkedin.com/in/rachmad-nafisholeh/ Adaptable professional excels in diverse settings. Results-driven, proactive, collaborative. Excelling in challenges. Solo-built super app with 50K+ users. Work Experience Full Stack Engineer • Exodus Movement, Inc. MarchOctober 2023 | Nebraska, United States. Remote Crypto Wallet Backup/Restore: implemented single and multiple backup onto Cloud via Email/SMS OTP verification. Multiple components included in consideration, e.g. Apple & Google account state, backup file