包丁一本さらしに巻いて

Akira Chiku

GitHub / Speakerdeck / akira.chiku@gmail.com / Tokyo, Japan

QUALIFICATIONS

• https://github.com/achiku
• Fluent in Python/Go/SQL/shell script
• Solid understanding for relational database

EXPERIENCE

• Kanmu, Inc., Tokyo, Japan (2018/11 - present) as a Chief Operationg Officer
  • GTM strategy/market survey/CRM/customer acquisition/customer support/depth interview/revenue management
• Kanmu, Inc., Tokyo, Japan (2013/11 - 2018/11) as a Backend Software Engineer
  • Tokyo based startup providing app based prepaid card service + card-linked offer (CLO)
  • Backend/Infrastfucture Engineer (Prepaid Card Service) (2015/01 - present)
    • Conducted/designed user interviews for prepaid card service
    • Built Python version of prototype for user interviews
    • Designed base architecure of the backend infrastructure using AWS
    • Automated server provisioning using Ansible
    • Automated AWS operations using terraform
    • Built Go version of prototype, and led development of backend API server
    • Designed RDBMS tables, and schema management operation using SQLAlchemy + Alembic
    • Led collaboration with external API vendors
  • Consultant for Credit Card Company (2014/10 - 2014/12)
    • Designed/built system for large data analytics using AWS EMR(Hadoop/Hive) + Presto + R
    • Cleaned, re-formatted 1TB of data for analysis
    • Created model to predict certain behaviors of credi card users
    • Wrote report, and led meetings with clients
  • Backend/Infrastfucture Engineer (Card Linked Offer) (2013/11 - 2015/11)
    • Developed admin web application using Django
    • Built offer scoring system using Redis, MySQL, Python, Flask
    • MySQL Performance tuning
  • Backend/Infrastfucture Engineer (Vandle Card) (2015/12 - 2018/11)
    • Developed Visa Prepaid Card App prototype backend using Python/Flask
    • Designed and built AWS infrastructure using Ansible/terraform
    • Designed and built API server using Go/PostgreSQL
      • https://speakerdeck.com/achiku/how-we-built-testable-http-api-server
      • https://speakerdeck.com/achiku/worker-using-go-and-postgresql
      • https://speakerdeck.com/achiku/dgw-generating-go-struct-from-potgresql-table-definition
      • https://speakerdeck.com/achiku/gocon-2018-how-we-go-test-with-rdbms
    • Designed PCI DSS compliant architecture design and its annual process with consultants
    • Developed a payment processing system accesing VisaNet
• Accenture Japan, Tokyo, Japan (2008/08 - 2013/11)
  • Leading global professional services company, providing a broad range of services and solutions in strategy, consulting, digital, technology and operations.
  • Consultant, Global SCM Development Phase Project for Global SPA (2012/04 - 2013/09)
  • Consultant, Global POS Conception Phase Project for Global SPA (2011/11 - 2012/04)
  • Consultant, Data Warehouse/Inventory Management Development Phase Project for Global SPA (2010/07 - 2011/10)
  • Analyst, Consumer Electronics Company Middleware Upgrade Project (2009/04 - 2010/07)
  • Analyst, Telecommunication BPR Middleware Upgrade Project (2009/12 - 2010/03)
  • Analyst, Data Warehouse Development Phase Project for Japanese GMS (2008/11 - 2009/11)

EDUCATION

• Bachelor of Arts Economics, Minor in Mathematics The University of Texas at Austin (2008)