Keisuke Yamashita
Cloudbase AI Engineer at Cloudbase, Inc.
Polokwane, Limpopo, Japan
Summary
👤
Senior🎓
Top SchoolKeisuke Yamashita is a Cloudbase AI Engineer and seasoned Site Reliability Engineer with nine years of hands-on experience building secure, scalable cloud platforms and SRE tooling. He has led infrastructure and IaC initiatives at large organizations including LINE and Mercari, designing telemetry, multi-tenant Kubernetes platforms, and Terraform ecosystems used across hundreds of services. Keisuke pairs strong platform security instincts with practical automation—refactoring integrations and adding robust outputs in open-source projects like Falcosidekick and enhancing conftest test outputs for policy-as-code workflows. He also contributes to faker-js by improving the Japanese locale, demonstrating attention to localization and data quality for widely used developer tooling. Based between Tokyo and Polokwane, he blends cloud-native expertise (Kubernetes, Terraform, OpenTelemetry) with a habit of learning and shipping durable systems that scale.
9 years of coding experience
6 years of employment as a software developer
Associate's degree, Mechanical Engineering, Associate's degree, Mechanical Engineering at 徳山工業高等専門学校Bachelor of Engineering - BE, ENGINEERING, Bachelor of Engineering - BE, ENGINEERING at Utokyo
Japanese, English, German, Chinese
Github Skills (28)
apim10
kubernetes10
javascript10
back-end-development10
api-design10
data-set10
faker10
integrations10
data-model10
localization10
go10
api10
rego10
kubernetes-pods10
user-data10
Programming languages (20)
Github contributions (5)
open-policy-agent/conftest
Nov 2019 - Sep 2020
Write tests against structured configuration data using the Open Policy Agent Rego query language
Role in this project:
Backend Developer & Test Automation Engineer
Backend Developer & Test Automation EngineerContributions:2 reviews, 35 commits, 29 PRs in 9 months
Contributions summary:Keisuke primarily contributed to improving the `conftest` project by adding new functionalities and enhancing existing features. They implemented table output for test results and integrated a mechanism to handle different input types. Their work included modifying the test command and adding a control mechanism for exit status in case of verify failures. Moreover, the user added support for various output formats such as table format.
policyqueryagentstructuredtesting
falcosecurity/falcosidekick
Nov 2020 - Feb 2021
Connect Falco to your ecosystem
Role in this project:Backend Developer
Backend DeveloperContributions:36 reviews, 37 commits, 24 PRs in 3 months
Contributions summary:Keisuke primarily contributed to the backend logic and integration aspects of the Falcosidekick project. They refactored type assertions across various output integrations, demonstrating a focus on code quality and maintainability. Furthermore, the user implemented and tested Google Chat, added Apache Kafka, and Pagerduty support, indicating a strong involvement in expanding the project's capabilities by integrating with different notification and event processing services. Several commits involved refactoring and fixing code related to outputs, showing a focus on code structure and ensuring robustness across different integration points.
falco-eventsecuritydockerfalcokubernetes
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