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エンジニアリング・マネージャー(AIエージェント)

sierra-jpTokyoEngineering
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Salary
Not listed
Job type
Full-time
Experience
Senior
Posted
9 Sept 2026
Status
Open · checked 7d ago

About this role

エンジニアリング・マネージャー(AIエージェント) is an engineering management role based in Tokyo at sierra-jp that suits a leader experienced in scaling production systems and guiding technical teams. This position focuses on leading the development of production-grade AI agents for enterprise customers across various industries.

Role Overview

The エンジニアリング・マネージャー(AIエージェント) position at sierra-jp involves directing engineering teams to design, build, and deliver reliable AI agents in Tokyo. The role requires managing the full agent development lifecycle, collaborating with major enterprise partners and innovative startups, and shaping the future of the core platform.

Key Responsibilities

Lead engineering teams in building and delivering high-performance, reliable, and intuitive production-level AI agents.
Manage the entire agent development lifecycle from initial pilot to production deployment and continuous improvement.
Collaborate with enterprise and startup partners to build AI agents that solve critical business challenges.
Partner with research, product, and platform teams to identify unmet needs and guide the evolution of the core platform.

Requirements

Experience leading engineering teams that built and scaled end-to-end production systems.
Strong problem-solving skills and the ability to lead teams in uncertain and rapidly changing environments.
Leadership style combining high standards and empathy to deliver both speed and quality.
Track record of working closely with customers to translate business requirements into technical deliverables.
Excellent communication skills for both technical and non-technical audiences.
Degree in computer science or a related field, or equivalent practical experience.

Nice to Have

Practical experience in AI-related fields, with AI agent development experience preferred.
Experience building and deploying production-level AI and LLM systems.
Background as a founder, engineering lead, or startup launcher with high ownership and speed.
Familiarity with modern AI agent tools such as evaluation frameworks, agent tools, RAG pipelines, and prompt engineering.
Experience with React, TypeScript, and Go.
Experience leading technical projects involving customer-facing or external stakeholders.

Skills and Tools

React
TypeScript
Go
RAG pipelines
Prompt engineering
Evaluation frameworks

Salary and Benefits

Flexible paid time off policy
Medical, dental, and vision insurance for employees and families
Life and disability insurance
Retirement plans based on the country of employment
Parental leave
Fertility and family-forming support benefits through Carrot
Provided lunches, snacks, and coffee
Discretionary wellness stipend
Free alphorn lessons
Participation in the equity compensation program for eligible regular employees

About the Company

sierra-jp develops a platform enabling enterprises to build superior, human-like customer experiences using AI. Headquartered in San Francisco with a strong emphasis on in-person collaboration, the company operates offices globally including Tokyo, Atlanta, New York, London, Paris, Madrid, Munich, Singapore, and Sydney. The organization is guided by values of trust, customer obsession, craftsmanship, intensity, and family, and was co-founded by Bret Taylor and Clay Bavor.

How to Apply

To apply for this position, please visit the official company careers page.

Skills and tech stack

Questions candidates ask

What language is used during the interview process?

Interviews are conducted in both English and Japanese.

Where is the job located?

This position is located in Tokyo.

What type of systems will the engineering team build?

The team builds production-level, highly reliable AI agents for industries such as finance, healthcare, and commerce.

Are equity benefits available for this role?

Yes, eligible regular employees can participate in the company's equity compensation program in accordance with applicable plans and policies.

What educational background is required?

A degree in computer science or a related field, or equivalent practical experience, is required.

Ready to apply?

The application is on the official sierra-jp careers page.

Apply on company site