English summary for screening — check the original posting before applying.
This role focuses on strengthening the product infrastructure by migrating from EC2 to ECS (Fargate) and promoting Infrastructure as Code (IaC) with Terraform. You will be responsible for designing, improving, and building the AWS infrastructure, contributing to both service reliability and development productivity.
Must-haves
- Experience designing, building, and operating AWS environments
- Experience with system design including servers, networks, and databases
- Experience operating Linux servers
- Experience with troubleshooting and problem investigation
- Programming experience for automation and operational improvements
Nice-to-haves
- IaC experience with Terraform
- Experience with ECS/Fargate
- Experience with Datadog
- Experience with GitHub Actions
- SRE practices
- Experience operating high-traffic services
Tech stack
AWS (ECS/Fargate, EC2, S3, RDS(Aurora), API Gateway, WAF & Shield, Lambda, Kinesis, Athena, QuickSight)TerraformDatadogCloudWatchGitHub ActionsRuby on RailsJavaScriptPostgreSQLRSpecGitHubClaude Code
Work style
Full remote, with occasional office visits possible in Tokyo. Flexible working hours with core hours from 11:00 to 15:00.
Other notes
On-call duty is required after a probationary period, with compensation for late-night overtime if called. No specific mention of visa support.