Productivity 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:** Pillar ① Internal Systems & Tooling Implement internal tools, scripts, admin console extensions, and small-scale operational systems under the guidance and code review of senior team members Maintain and incrementally improve assigned systems, ensuring reliability and operational quality Proactively surface improvement opportunities discovered through hands-on work Pillar ② Workflow Automation & AI Integration Build automation scripts and small-scale pipelines under guidance Learn and apply patterns for embedding AI/LLM APIs, agents, and skills into operational workflows Identify candidate processes for automation and propose simple solutions Pillar ③ Platform Infrastructure Carry out configuration, operation, and incremental improvement of existing internal platforms (e.g., documentation systems, ticketing tools, knowledge bases) Create templates, guides, and small integration tasks reliably Support migration and integration projects led by senior team members Pillar ④ Cross-Functional Operational Improvement Communicate effectively with stakeholders in your assigned projects: gather requirements, confirm understanding, and share progress Identify operational pain points within your scope and propose improvements Complete small-to-medium improvement tasks end-to-end with senior guidance on direction and trade-offs Requirements Hands-on implementation skills to build automation and tooling by combining scripts and APIs (Python, Node.js, TypeScript, etc.) Experience driving research, validation, and implementation independently while leveraging AI tools Business-level proficiency in both Japanese and English 0–3 years of relevant experience Nice to haves While not specifically required, tell us if you have any of the following. Experience with CRM or ticketing SaaS platforms (Salesforce, HubSpot, Zendesk, etc.) Experience with workflow automation tools (Zapier, Workato, GitHub Actions, etc.) Experience working in a B2B SaaS environment Experience with documentation platforms (Confluence, Redocly, etc.) Experience deploying and operating LLM-based agents or skills in production Familiarity with IT governance, security, and compliance 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. This position requires business Japanese. 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:** Hands-on implementation skills to build automation and tooling by combining scripts and APIs (Python, Node.js, TypeScript, etc.) Experience driving research, validation, and implementation independently while leveraging AI tools Business-level proficiency in both Japanese and English 0–3 years of relevant experience **Nice to have:** While not specifically required, tell us if you have any of the following. Experience with CRM or ticketing SaaS platforms (Salesforce, HubSpot, Zendesk, etc.) Experience with workflow automation tools (Zapier, Workato, GitHub Actions, etc.) Experience working in a B2B SaaS environment Experience with documentation platforms (Confluence, Redocly, etc.) Experience deploying and operating LLM-based agents or skills in production Familiarity with IT governance, security, and compliance 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. This position requires business Japanese. 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