Senior Site Reliability Engineer

**About the company:** Treasure AI Minato-ku, Tokyo Treasure AI is the only enterprise Customer Data Platform that harmonizes an organization’s data, insights, and engagement technology stacks to drive relevant, real-time customer experiences throughout the entire customer journey. **Responsibilities:** Platform Modernization: Help lead, define, and execute on the technical roadmap for our cloud platform (AWS, EC2, Kubernetes, CI/CD (CircleCI / ArgoCD), Observability (Datadog), IaC (Terraform / OpenTofu), Tooling (GitHub Actions / Helm). Service Collaboration: Work closely with internal service teams to accelerate their efforts, automate aspects of their work, drive adoption of tooling and platform releases, proactively contribute changes across codebases and work closely with colleagues to achieve reliability goals across our products. Infrastructure Optimization: Implement improvements to enhance efficiency and save costs across various layers of our AWS infrastructure, including networking, storage, compute, and orchestration. Security: Collaborate with our security and IT teams to ensure that vulnerabilities are promptly identified and addressed, access is automated and seamless, and we maintain our high security standards. AI: Explore effective uses of AI in SRE and Engineering, and build tooling and workflows around these to scale to organizational adoption. This may include Claude Code and AWS DevOps Agent. Guidance and Best Practices: Offer expert advice to new projects, ensuring they are architected for maximum reliability and efficiency from the ground up. Grow your Team: Your expertise will also help your teammates learn and grow, you will share knowledge widely, and will mentor more junior engineers to help them on their own career progression. Requirements 5+ years of experience in a SRE / DevOps / Software-Engineering or related role, working with distributed systems at scale. Experience with AWS and related cloud technologies (eg EKS, EC2, IAC). Proficient with at least one programming language (eg Python, Go, etc). Experience with modern SaaS development practices (eg Git, CI/CD, etc). Strong English communication skills working in a diverse, collaborative, and distributed environment. APPLY FOR THIS POSITION DO YOU NEED MORE INFO? ASK A QUESTION About Treasure AI Treasure AI Minato-ku, Tokyo Treasure AI is the only enterprise Customer Data Platform that harmonizes an organization’s data, insights, and engagement technology stacks to drive relevant, real-time customer experiences throughout the entire customer journey. Key benefits Highly Technical Founders Globally distributed company Open Source is in our DNA Read more More jobs like this We'll send you a digest of new English-friendly software developer jobs in Japan. Your email stays private, we don't share or sell it. Apply for this position × This position is only open to current residents of Japan. I have a favour to ask. When you apply to Treasure AI, please tell them that you heard about the position on TokyoDev . This helps to keep this job board sustainable, so I'd be grateful for your support with this. - Paul, Founder of TokyoDev Continue applying © 2026 Privacy Policy **Requirements:** 5+ years of experience in a SRE / DevOps / Software-Engineering or related role, working with distributed systems at scale. Experience with AWS and related cloud technologies (eg EKS, EC2, IAC). Proficient with at least one programming language (eg Python, Go, etc). Experience with modern SaaS development practices (eg Git, CI/CD, etc). Strong English communication skills working in a diverse, collaborative, and distributed environment. APPLY FOR THIS POSITION DO YOU NEED MORE INFO? ASK A QUESTION About Treasure AI Treasure AI Minato-ku, Tokyo Treasure AI is the only enterprise Customer Data Platform that harmonizes an organization’s data, insights, and engagement technology stacks to drive relevant, real-time customer experiences throughout the entire customer journey. Key benefits Highly Technical Founders Globally distributed company Open Source is in our DNA Read more More jobs like this We'll send you a digest of new English-friendly software developer jobs in Japan. Your email stays private, we don't share or sell it. Apply for this position × This position is only open to current residents of Japan. I have a favour to ask. When you apply to Treasure AI, please tell them that you heard about the position on TokyoDev . This helps to keep this job board sustainable, so I'd be grateful for your support with this. - Paul, Founder of TokyoDev Continue applying © 2026 Privacy Policy