English summary for screening — check the original posting before applying.
Join the founding AI dev team to transform customer support using AI and large volumes of unstructured data. You will be responsible for the end-to-end implementation of AI features, from problem definition to value delivery and tuning.
Must-haves
- Ability to hypothesize and structure problems.
- Experimental design and execution skills for rapid hypothesis validation.
- Experience with Python for verification and implementation.
- Experience building and improving machine learning models (including LLMs).
- Experience developing features using LLMs.
Nice-to-haves
- Experience with customer interviews and negotiations for product improvement.
- Data-driven decision-making and continuous quantitative improvement experience.
- Experience in trial and error to improve user experience.
- Project management experience spanning business and development.
- Experience automating pipelines with LLM agents.
- Experience developing applications using databases.
Tech stack
TypeScriptReactNext.jsSvelteNode.jsGoogle CloudAWSKubernetesTerraformMongoDBCloud SpannerAlloyDBBigQueryElasticsearchGitHub ActionsCircleCIArgoCDDatadogSentryClaude CodeCursorAzure OpenAI ServiceVertex AI
Work style
Full remote possible, with hybrid work at the Meguro office (Tokyo). Individual consultation for full remote based on duties.
Other notes
Annual salary: ¥6,000,000 - ¥14,000,000.