Tomoya Iwata
Escalation Engineer Tier3 Customer Support
Nagoya, Japan
Summary
👤
Senior🎓
Top SchoolTomoya Iwata is an experienced escalation engineer based in Nagoya with eight years of IT and end-user support expertise, now handling Tier 3 customer issues at Fastly. He has deep hands-on experience across Windows, Linux, networking and security stacks from roles at Amazon and DigiCert, plus practical site-launch and vendor coordination experience for large-scale facilities. Tomoya pairs his support background with open-source contributions to notable projects like moto and Firecracker, improving AWS service emulations and strengthening CI/testing infrastructure. That combination gives him a rare blend of customer-facing troubleshooting grit and backend/devops fluency. He is comfortable diagnosing complex production issues, writing tests and fixes, and documenting solutions for teams and customers. Fluent in practical operations, he often surfaces test- and automation-focused improvements that reduce repeat escalations.
8 years of coding experience
17 years of employment as a software developer
Bachelor's degree, Economics and Information, Bachelor's degree, Economics and Information at Gifu Shotoku Gakuen University
Github Skills (23)
github-ci10
container10
boto10
python10
testing10
cicd10
amazon-dynamodb10
automation10
dynamodb10
aws10
aws-iot10
automations10
rust10
githubaction-workflow10
dockers9
Programming languages (9)
Github contributions (5)
getmoto/moto
Aug 2018 - Jul 2022
A library that allows you to easily mock out tests based on AWS infrastructure.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:6 reviews, 42 commits, 39 PRs in 3 years 11 months
Contributions summary:Tomoya primarily contributed to the `moto` library, focusing on enhancing and supporting AWS service emulations. The contributions involve adding support for AWS IoT attach and detach policy, along with its test cases, and fixing an existing issue in DynamoDB2's query functionality. The user also improved Lambda functionality, especially returning the correct HTTP status code when publishing versions. Furthermore, they implemented a transact_get_items method for DynamoDB and provided validation for deleting operations.
ec2bototestinginfrastructureaws-infrastructure
firecracker-microvm/firecracker
Nov 2022 - Jan 2023
Secure and fast microVMs for serverless computing.
Role in this project:DevOps Engineer
DevOps EngineerContributions:25 reviews, 12 commits, 11 PRs in 1 month
Contributions summary:Tomoya primarily focused on improving the testing and build infrastructure of the Firecracker project. Their contributions included adding and updating configurations for continuous integration processes, specifically addressing code coverage and ensuring minimal build dependency changes. The user also made several updates to tests and the testing framework, including fixing concurrency issues. Furthermore, they updated the test coverage metrics and refactored existing testing code.
containerssecureminimalistrustserverless
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