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HEALTHCARE TECHNOLOGIES Corp.Infra SRE Engineer
Sep. 2021Tokyo, Japan1. Reliability & Risk Mitigation (SRE Strategy) Incident Reduction: Drove continuous improvement to slash infrastructure incidents from 5 (FY24H1) to 1(FY25H1). Crisis Management: Commanded on-site recovery during a major incident (July 2025). Built a standard monitoring architecture (CloudWatch/EventBridge/SNS) post-incident to prevent recurrence and improve detection speed. Resilience: Eliminated single points of failure by expanding L2 coverage and standardizing IaC operational roles. 2. Cost Optimization $7,750/mo Savings: Achieved 86% of the reduction target by consolidating Load Balancers ($5.5k) and rightsizing RDS ($1.8k), delivering verifiable financial contribution. 3. Governance & Security IaC Refactoring: Completed a massive overhaul of 600 infrastructure items to maximize code control and adoption. Security Standards: Enforced production audit logs (RDS/EC2) under strict change management. Planned implementation for IAM automatic rotation and git-secrets. 4. DX & AI Innovation DevOps: Directed the rollout of IaC CI/CD pipelines and new test environments to accelerate development velocity. AI Utilization: Pioneered AI-driven cost visualization and automated diagram generation using Terragrunt for data-driven decision-making. 5. 0→1 Launch Phase (Sep 2021 – Jul 2022) Launch Lead: Oversaw the full AWS migration and production launch of a critical new application. Tech Strategy: Defined the initial scalable Terraform/Terragrunt architecture and established a "Ticket-First" operational culture, laying the foundation for future growth.
ヘルスケアテクノロジーズ株式会社Infra SRE Engineer
Jan. 2021Tokyo, Japan
Michael Page International (Japan) K.K.Back End Developer
Dec. 2020 - Aug. 2021Tokyo, JapanPlacement: Healthcare Technologies Corp. 【Assigned Projects & Responsibilities】 Miramed - Remote Specific Health Guidance & Behavior Modification App Development (Dec 2020 – Aug 2021) Role: Project Leader / Developer (Team Size: 14) Content: Served as Project Leader for the development of a remote specific health guidance service based on "MIRAMED" (developed by the University of Tokyo COI). Objective: To support behavior modification aimed at preventing metabolic syndrome and improving lifestyle habits for target users. Key Features: Spearheaded the development of features including health guidance via video calls/chat, risk prediction using checkup data, automatic acquisition of step count/sleep data via wearable integration, and lifestyle scoring. EC-CUBE - Healthcare EC Site Construction & Operation (Dec 2020 – Aug 2021) Role: Developer (Team Size: 20) Content: Responsible for the construction and feature development of an EC site linked with the online health consultation service "HELPO" app. Achievements: Contributed to the infrastructure and feature development of the "Health Mall" EC site (handling general OTC drugs and saliva PCR test packages). Successfully maintained and improved the delivery platform for high-demand social healthcare services.
GOLOG MalaysiaChief Technology Officer
Jan. 2017 - Jul. 2025Puchong, Selangor, MalaysiaStrategic Leadership & Co-Founding: Co-founded the company and led the technical strategy for over 8 years, growing the operation from a startup MVP to a recognized industry leader with 8 branches nationwide. Mega-Project Development: Served as the technical lead for the RM400 Million Smart Regional Halal Distribution Centre (RHDC) project in Bandar Enstek, integrating AI, Halal-compliance protocols, and automated warehousing. High-Value Procurement: Successfully managed the technical specifications and negotiation for a RM107 Million purchase order of advanced warehousing technology (Digital Twin, ASRS) from Dongjie Intelligence. Product Innovation: Architected the "Loose Carton" consolidation algorithm and "Intelligent Brain" platform, which allowed enterprise clients like Mydin to optimize frozen food logistics and reduce wastage. Crisis Management: Led the rapid digital pivot during the COVID-19 pandemic, launching direct-to-consumer features that enabled partners like Fully Fishery to achieve record sales during lockdowns. Capital Raising: Played a pivotal role in due diligence and technical roadmapping for successful fundraising rounds, including a USD 380,000 raise in 2022.
ULM Co.,Ltd.IT Manager
Feb. 2016 - Dec. 2020Roppongi, Tokyo, JapanDevelopment of "Magnet" (Patent Pending Product) (Apr 2019 – Dec 2020) Role: Project Leader / Developer (Team Size: 1) Content: Spearheaded the core development of "Magnet," a revolutionary web banner delivery system (patent pending). Achievements: Implemented nationwide movie screening data scraping, search capabilities, and API functionality. Contributed to the commercialization of a product that directly solved customer attraction challenges in the movie industry, where measuring advertising effectiveness had traditionally been difficult. Tohoshinki (TVXQ) LIVE TOUR 2018 ～TOMORROW～ Premium Site Development (Jun 2018 – Mar 2019) Role: Project Leader / Developer (Team Size: 1) Content: Developed and operated a members-only fan site for the nationwide tour. Responsible for ensuring the security of entertainment content and implementing member management functions. Twitter Promotion System Suite Development (Jul 2017 – May 2018) Role: Project Leader / Developer (Team Size: 1) Content: Designed and developed a suite of systems to automate campaign operations. Form Buzzes: A system for customer data management, winner email transmission, and form management. Auto-Post System: A Twitter auto-posting function allowing for date and calendar scheduling. Hashtag Collection: A system for automatic hashtag collection, content management, and proprietary API generation/integration. KADOKAWA Literary Information Site "Kadobun.jp" Development (Feb 2016 – Jun 2017) Role: Project Leader / Developer (Team Size: 1) Content: Developed a customized CMS for the literary information site "Kadobun.jp." Streamlined the content delivery workflow and improved the efficiency of site operations
RJC researchEngineering Analyst
Jan. 2016 - Jan. 2017Ebisu
Allied Architects IncBack End Developer
Apr. 2014 - Dec. 2015EbisuProduct Operation Support and Improvement (Oct 2015 – Dec 2015) As a developer in a 6-person team, I provided operational support and maintenance development to ensure the stable operation of multiple services. My specific tasks included extracting data from databases, improving database structures, and handling bug fixes and maintenance development. Customer Service User Search System Development (Jun 2015 – Sep 2015) Working in a team of 8, I developed a system aimed at improving the efficiency of customer service operations. I was responsible for implementing inquiry recording functions and flexible, customized search tools. New Business Infrastructure Support (Feb 2015 – May 2015) I was responsible for supporting the infrastructure of a new business (a cloud-based DMP equipped with a corporate/brand fan site construction system) at Japan's largest social marketing company. As part of a 2-person team, I implemented major user interface functions such as search tools, inquiry forms, and notification features. Business Intelligence (BI) System Development (Sep 2014 – Jan 2015) In a 2-person team, I developed a BI system aimed at data analysis and utilization. I implemented data visualization functions, export capabilities for analysis results (Excel and PDF downloads), data search functions, and email notification features. YouTube Official Channel Fan Acquisition Support System (Apr 2014 – Aug 2014) I developed a system designed to support fan acquisition for official YouTube channels. Working in a team of 2, I was responsible for module design and implementation.
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