Company ProfileFast-growing, post-IPO travel tech company building SaaS products for hotels worldwide is looking for an AI / Machine Learning Engineer. The Role<ul><li>This year's core mission is rebuilding a chatbot used by thousands of hotels as an AI agent that answers guest questions and takes actions on behalf of hotel staff.</li><li>You will train, deploy and evaluate LLM and traditional ML/DL models, and own their reliability and performance in production.</li><li>You will build data pipelines (BigQuery + dbt) and work closely with backend teams, product managers and business stakeholders on GCP.</li></ul> Your Skills <ul><li>2+ years of experience as a full-stack data scientist, ML engineer and/or AI engineer.</li><li>Strong statistics and ML fundamentals, plus hands-on experience building with LLMs (e.g., LangChain, Google ADK).</li><li>Production-level Python, SQL, and orchestration tools such as dbt, Airflow or Prefect.</li><li>Fluent English</li><li>RAG/embeddings, agentic systems (tool calling, guardrails) and LLM eval tooling (LangSmith, Langfuse, Braintrust) are beneficial.</li></ul> Key Highlights of the Role <ul><li>Greenfield opportunities, with the freedom and ownership to choose how solutions are built.</li><li>Modern GCP stack in an engineering team with strong fundamentals and diverse backgrounds.</li><li>Flextime with no core time, and hybrid work (2 office days/week in Nishi-Shinjuku).</li></ul> Location Tokyo Salary8 - 12 million yen Reference Number: 06940-0013536008 By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (<a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>). Please ensure that your application documents do not include sensitive personal data such as race, beliefs, medical history, criminal record, or other information irrelevant to hiring process such as spouse or dependents. All information must be accurate and truthful, and any included hyperlinks must be safe and secure.<img src="https://counter.adcourier.com/TmFuY3kuWXVhbi4wMjg0MS4xMDg5OEByaGlqcC5hcGxpdHJhay5jb20.gif">

Tokyo,
remote
Permanent
8.0M - 12.0M JPY / Yearly
Company ProfileFast-growing, post-IPO travel tech company building SaaS products for hotels worldwide is looking for an AI / Machine Learning Engineer. The Role<ul><li>This year's core mission is rebuilding a chatbot used by thousands of hotels as an AI agent that answers guest questions and takes actions on behalf of hotel staff.</li><li>You will train, deploy and evaluate LLM and traditional ML/DL models, and own their reliability and performance in production.</li><li>You will build data pipelines (BigQuery + dbt) and work closely with backend teams, product managers and business stakeholders on GCP.</li></ul> Your Skills <ul><li>2+ years of experience as a full-stack data scientist, ML engineer and/or AI engineer.</li><li>Strong statistics and ML fundamentals, plus hands-on experience building with LLMs (e.g., LangChain, Google ADK).</li><li>Production-level Python, SQL, and orchestration tools such as dbt, Airflow or Prefect.</li><li>Fluent English</li><li>RAG/embeddings, agentic systems (tool calling, guardrails) and LLM eval tooling (LangSmith, Langfuse, Braintrust) are beneficial.</li></ul> Key Highlights of the Role <ul><li>Greenfield opportunities, with the freedom and ownership to choose how solutions are built.</li><li>Modern GCP stack in an engineering team with strong fundamentals and diverse backgrounds.</li><li>Flextime with no core time, and hybrid work (2 office days/week in Nishi-Shinjuku).</li></ul> Location Tokyo Salary8 - 12 million yen Reference Number: 06940-0013536008 By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (<a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>). Please ensure that your application documents do not include sensitive personal data such as race, beliefs, medical history, criminal record, or other information irrelevant to hiring process such as spouse or dependents. All information must be accurate and truthful, and any included hyperlinks must be safe and secure.<img src="https://counter.adcourier.com/TmFuY3kuWXVhbi4wMjg0MS4xMDg5OEByaGlqcC5hcGxpdHJhay5jb20.gif">
2026-11-02T02:38:02Z