Product - 05. Staff Software Engineer - Harness / AI OrchestrationEnglish summary from Japanese

株式会社Third Intelligence

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Salary

応相談 ※ストック・オプション制度有‬‭

Location

フルリモートワーク101-0052 東京都千代田区神田小川町1丁目4 WORK VILLA MYJ KANDA 11F 地方からフルリモートOK。ただし毎週、月曜日・金曜日は出社推奨日、かつ月1回のAllHands出社が必要(交通費支給) Full remote work from anywhere in Japan is welcome. However, Mondays and Fridays are recommended in-office days, and monthly All-Hands attendance is required (transportation expenses covered). Office: 101-0052 WORK VILLA MYJ KANDA 11F, 1-4 Kanda Ogawamachi, Chiyoda-ku, Tokyo

Job Type

Full-time

Work Style

専門型裁量労働制または、フルフレックス（所定労働時間 8時間‬、45時間分の固定残業代あり。超過分は別途支給）休日：土・日、祝日、年末年始等入社時に特別休暇を3日付与（有効期限半年）、その後6ヶ月勤務後から最低10日〜最大20日の年次有給休暇を付与ほか特別休暇あり（慶弔休暇、アニバーサリー休暇など）加入保険：雇用保険・労災保険・健康保険・厚生年金‬

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Role summaryEnglish summary from Japanese

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

Third Intelligence is seeking a Staff Software Engineer to lead the harness/orchestration layer for their AI products. This role involves defining technical standards for a platform supporting millions of users globally and evolving the foundation in a product-driven manner.

Must-haves

8+ years of overall software development experience
Deep knowledge of designing, developing, and operating distributed systems supporting large-scale traffic
Experience integrating LLMs into products (designing/implementing orchestration layers, agent loops, tool calling)
Development experience in performance-critical languages such as Go, Rust, or Python
Outstanding specialization in system design accounting for large-scale concurrent usage, scalability, and high availability
Leadership to drive technical consensus among complex stakeholders and deliver high-uncertainty projects
Business-level or higher Japanese conversational ability
Business-level or higher English conversational ability

Nice-to-haves

Experience designing/building agent frameworks, LLM orchestration platforms, or inference pipelines

About the Company

株式会社Third Intelligence

Product - 05. Staff Software Engineer - Harness / AI OrchestrationEnglish summary from Japanese

Role summaryEnglish summary from Japanese

Must-haves

Nice-to-haves

About the Company

Tech stack

Work style

Other notes