Susumu Tomita

Agile Coach (Contract)

Japan

• •Supporting agile transformation and engineering culture improvement across development teams
• •Coaching teams on Scrum, Kanban, and DevOps practices
• •Facilitating retrospectives and continuous improvement initiatives
• •Driving the "毎週工房" (Maishu Kobo) initiative — weekly product shipping culture every Friday at 14:00

Software Engineer

Japan

• •First certified Cloud/IT Software Architect under DENSO's "Software Sommelier" program
• •Designed and operated AWS infrastructure for large-scale IoT services (mobi-Crews, Drive Agent Personal) managing 100K-1M devices
• •Built Mac security environment using Jamf Pro, Okta, Druva, and Microsoft Defender
• •Developed internal AWS GameDay training platform for security and cloud education
• •Founded Cloud Tech Friends (CCoE) community with 2,000+ engineers across DENSO Group
• •Established hiring processes and technical assessment criteria for cloud engineers, SREs, and architects

Software Engineer (Lab Automation / SRE)

Remote (Freelance)

• •Building fully automated iPS cell cultivation system for regenerative medicine research
• •Integrating Hamilton STAR liquid handling robots with incubators and observation devices
• •Implementing SRE practices: monitoring, incident response, and postmortem culture

Software Engineer (Web3 / Infrastructure)

Remote (Freelance)

• •Infrastructure design and security audit support for Web3 wallet using Japan's JPKI (Public Key Infrastructure)
• •Built cloud architecture for cryptographic signing, authentication, and CRL/OCSP verification
• •Implemented workflow automation with AWS Step Functions and ECS for signature request processing
• •Led JPKI certification audit preparation and ISMS/key management compliance

Software Engineer (Mobility Platform)

Remote (Freelance)

• •Developed cloud application for wheelchair sharing service
• •Built real-time data pipeline from wheelchairs to cloud using SORACOM Beam and AWS Lambda
• •Created GraphQL API with AWS AppSync for real-time wheelchair status monitoring
• •Prototyped wheelchair-elevator integration with OTIS systems

Specialist Software QA / Automation Engineer

Japan / US (Santa Clara, Seattle, Boston, Denver)

• •QA and test automation for Lumada IoT platform
• •Designed test plans and automation frameworks for data visualization modules
• •Led proof-of-concept connecting Lumada with Hitachi industrial printers
• •Contributed to establishing development culture and software processes from project inception

QA Engineer / Technical Lead

Japan / US

• •QA for JP1 Performance Management (server monitoring software) used in mission-critical systems (banking ATMs, railway IC cards, stock trading)
• •Principal QA Engineer at Hitachi Data Systems for storage management software (80%+ test automation)
• •Led Japan-side development and QA teams for UCP Director (unified infrastructure product) with US teams
• •Established QA processes and test automation frameworks from scratch