[New LLM Product Development] Customer Base of 3,600 Companies in 3 Years Since Founding - Product Engineer Recruitment for a New LLM Product Automating User Interviews with AI #Weekly/Monthly Commute to Office/FlexEnglish summary from Japanese

株式会社プロダクトフォース

✓ Detailed

Salary

8 million JPY - 15 million JPY

Role summaryEnglish summary from Japanese

English summary for screening — check the original posting before applying.

ProductForce is seeking a Product Engineer to lead the development of a new AI-powered LLM product that automates user interviews. This platform aims to significantly reduce the time and cost of user research, making customer understanding more accessible. You will be part of a small, agile team driving the product from beta to growth.

Must-haves

5+ years of experience in web application development
Experience with architecture design and technology selection

Nice-to-haves

Experience launching new products and iterating based on customer feedback
Experience leading product development from planning to release in collaboration with PMs and designers
Experience designing, developing, evaluating, and improving LLM applications

Tech stack

TypeScriptReact (Next.js)Tailwind CSSGraphQLNestJSGCP (Cloud Run, Cloud SQL, Cloud Pub/Sub)PostgreSQLTerraformGitHub ActionsBigQueryGeminiClaudeOpenAIGitDocker

Work style

Hybrid: 1 day/week in office (WeWork Kamiyacho, Tokyo). Monthly commute for those living outside Tokyo. Flex-time with core hours 11:00-16:00.

Other notes

Salary range: ¥8,000,000 - ¥15,000,000 per year.

About the Company

株式会社プロダクトフォース

Headquarters

東京都港区虎ノ門4-1-1 神谷町トラストタワー23F

Visit Website

Posted7/31/2026

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