Ryo Takaishi
Software Engineer at 株式会社フライル
Tokyo, Japan
Summary
👤
Senior🎓
Top SchoolRyo Takaishi is a software engineer with 14 years of experience specializing in cloud, platform, and reliability engineering, currently building infrastructure and platform services at Flyle, Inc. He has deep hands-on expertise with Terraform, AWS, CI/CD, containerization, and SRE practices—helping teams design SLI/SLOs and automate infrastructure lifecycles. A prolific OSS contributor, Ryo has extended major projects like HashiCorp Terraform and Packer and authored tools such as tfclean and terraform-j2md to improve Terraform workflows. His background includes leading Kubernetes-as-a-Service efforts on OpenStack and improving IAM and microservice productivity at scale. Comfortable working across Go, Ruby, and infrastructure tooling, he blends production-grade engineering with developer-facing tooling that reduces operational toil. Based in Tokyo, he pairs formal reliability engineering education with practical open-source impact on widely used cloud providers.
14 years of coding experience
11 years of employment as a software developer
学士, 信頼性情報システム工学科, 学士, 信頼性情報システム工学科 at 香川大学工学部修士, 信頼性情報システム工学専攻, 修士, 信頼性情報システム工学専攻 at 香川大学大学院工学研究科
Github Skills (50)
network-configuration10
amazon-ecs10
validations10
amazon-elasticsearch10
testing10
rspec10
cloud-infrastructure10
validation10
networking10
terraform10
terraform-provider10
terraformer10
elasticsearchquery10
go10
openstack10
Programming languages (17)
Github contributions (5)
terraform-provider-openstack/terraform-provider-openstack
May 2017 - Jul 2018
Terraform OpenStack provider
Role in this project:
Cloud Engineer / Infrastructure Engineer
Cloud Engineer / Infrastructure EngineerContributions:7 commits, 3 PRs, 2 comments in 1 year 2 months
Contributions summary:Ryo primarily contributed to the OpenStack Terraform provider. Their work included adding support for provider networks, introducing the `segments` attribute for network configuration, and updating dependencies. The commits also involved adding support for various security group rule protocols, expanding the provider's capabilities for network management. These changes demonstrate a focus on enhancing the provider's functionality and adapting it to support new features.
openstackterraformterraform-provider
hashicorp/packer
May 2017 - Mar 2020
Packer is a tool for creating identical machine images for multiple platforms from a single source configuration.
Role in this project:Back-end & DevOps Engineer
Back-end & DevOps EngineerContributions:19 commits, 2 PRs, 8 comments in 2 years 10 months
Contributions summary:Ryo primarily focused on enhancing the OpenStack integration within the Packer project by adding support for client certificate authentication, custom CA certificate configuration, and adopting the default HTTP transport for improved security. They introduced keyboard-interactive authentication for SSH bastion hosts, improving the flexibility of SSH connections. Additionally, the user addressed formatting and linting issues, ensuring code quality and consistency.
packer
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