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Browse thousands of tech jobs at Japanese startups and companies. Translated for foreign engineers.

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Jobs→株式会社Algoage→Lead Engineer (Generative AI Division) (Contract)

Lead Engineer (Generative AI Division) (Contract)English summary from Japanese

株式会社Algoage

✓ Detailed
Salary
月給 120万円〜150万円 (稼働時間目安:140〜180時間 / 月)フルタイム
Location
東京都文京区湯島3-2-12 御茶ノ水天神ビル4F リモート勤務可
Job Type
Outsourcing, Side Jobs, Freelance
Work Style
▼勤務時間
Apply on HERP

Role summaryEnglish summary from Japanese

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

Algoage is seeking a Lead Engineer to spearhead the implementation of support systems using Generative AI and AI Multi-Agent technology. You will lead the design and implementation of key features, coordinate with PMs and CTO, and have significant freedom in technical domains and organizational structure.

Must-haves

  • 5+ years of backend development experience for web applications, including code implementation and review (AI tools acceptable).
  • Experience designing and implementing LLM-integrated applications in production (continuous operation, robustness, security, non-functional requirements).
  • Experience in architecture design and refactoring in complex domains.
  • Experience building and operating cloud infrastructure (AWS/GCP).
  • Tech Lead experience (1+ year) leading a team of 5+, including technology selection and design policy.
  • Ability to commit 160 hours per month during weekdays.
  • Must be residing in Japan at the time of joining.

Nice-to-haves

  • Experience developing applications related to telephone/voice.
  • Experience in people management (mentoring, recruitment, team building).

About the Company

株式会社Algoage

Categories
SaaSAI / MLMarketing Tech
Headquarters
東京都文京区湯島3-2-12 御茶ノ水天神ビル4F
Founded
2018-02
Visit Website
Posted3/3/2026
Sourceherp
  • 3+ years of practical experience in TypeScript or JavaScript.
  • Experience developing advanced AI applications using LangGraph or similar tools.
  • Practical experience in Specification-Driven Development (SDD).
  • Experience as a PdM/PjM involved in product planning through release.
  • Tech stack

    Next.jsChrome ExtensionTypeScriptHonoDrizzlePythonPostgreSQLQdrantAWSTerraformGitHub ActionsDatadogOpenAI APIAnthropic API

    Work style

    Remote work possible, Full-flex system (no core hours), Full remote / Side jobs OK.

    Other notes

    Monthly salary: ¥1,200,000 - ¥1,500,000. Contract employment. Trial period: 3 months.