Arata Urabayashi
Software Engineer / DX Consultant / Ex-Amazon
About
Hi there 👋
Product-Focused Data & Software Engineer | Built Scalable ETL Pipelines & Web Apps from Scratch | Ex-Amazon | Consulting → Tech Transformation
🚀 About Me
I'm a Data & Software Engineer with 9 years of experience in business consulting, including 5 years focused on data engineering and full-stack development. Specialized in healthcare data platforms, KPI dashboards, and LLM-powered analytics.
💼 Professional Background
• Funai Consulting Inc. – Led digital transformation for clinics and developed a full-stack revenue performance platform (Python, Airflow, GCP, React, Django REST Framework).
• Amazon Japan – Sales Ops Manager for Amazon Business, built dashboards for 100+ AEs, contributed to 20% YoY growth.
• Built data platform PoCs for healthcare groups using Apach Spark, Snowflake, and modern orchestration tools.
🌱 Currently exploring roles at the intersection of technology and business impact (Solution Engineering / Analytics Platforms / AI-powered SaaS).
Main Tech Stack
Experience
Freelance | Self-employed
Software & Data Engineer
🚀 I'm developing data pipeline for Japanese clinics and I'm looking for job opportunities in terms of Data Engineering.
🚀 Developed a data platform PoC for a healthcare group using Apache Spark, dbt, DuckDB and modern orchestration tools.
🚀 Currently working on personal projects and deepening my skills in modern data stack technologies (e.g., dbt, Airflow, DuckDB, Snowflake).
Amazon Japan
Amazon Business Sales Ops Manager
🚀 Led Sales Planning initiatives for Amazon Business, working with global Sales Planning and BI teams to align KPIs and reporting logic across regions in English.
🚀 Built performance dashboards for 100+ Account Executives using SQL, Python, Amazon ETL, and QuickSight; leveraged DuckDB for fast local prototyping, contributing to 20% YoY revenue growth.
Funai Consulting Incorporated
Software & Data Engineer / DX Consultant (Mainly Dental Clinics)
🚀 Built the internal analytics foundation using Python, Airflow, JupyterLab, and GCP, integrated with Looker Studio, and validated PoCs with BigQuery and Snowflake; this modernization of Excel-based consulting operations enabled a 90% reduction in reporting time (from 5h to 30min) for executive seminars, resulting in higher conversion and improved consultant efficiency.
🚀 Led the full-scratch development of a scalable B2B SaaS platform targeting the potential market of 67,000 dental clinics across Japan to modernize Excel-based consulting operations and strengthen authority in the dental industry; architected the full stack (React, Django REST Framework, AWS, Terraform) and managed end-to-end delivery including business modeling, vendor coordination, legal/security alignment, and pilot deployments.
🚀 Created automated pipelines to extract and process reservation and billing data from cloud-based and local systems for 40+ clinics, replacing inefficient manual processes.
🚀 Built a unified data and marketing dashboard for a major dental clinic, integrating PM, appointment, and ad systems to enable CPO/CPA/ROAS tracking; one case saw revenue grow from 600M to 800M JPY.
🚀 Delivered a keynote on digital transformation (DX) to 100+ SME executives, sharing consulting frameworks and real-world use cases from healthcare data modernization.
Business & Management Consultant (Mainly Chiropractic and Osteopathy Industry)
🚀 Provided end-to-end business consulting for approximately 15 osteopathic clinics—including product strategy, sales support, SEO, Google Ads, and Google Analytics—which led to a 175% year-over-year increase in monthly revenue for one client.
🚀 Used Python and JupyterLab to track and analyze performance, resulting in sustained monthly revenues between ¥2M–¥5.5M per client over one year.