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Sierra

10 open roles

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Open roles

フォワードデプロイド・インフラエンジニア (Forward Deployed Infrastructure Engineer)

Tokyo
On-site

A forward deployed infrastructure engineer for an AI platform, responsible for end-to-end deployment, architecture, and operation in enterprise customer environments. This role owns VPC configuration, provisioning, scaling, and incident response while meeting strict security and compliance requirements. The position requires experience with AWS, Terraform, container orchestration, cloud networking, and strong cross-functional and bilingual communication skills in English and Japanese.

¥22M - ¥47M
No karta members yet
4 weeks ago

エンジニアリング・マネージャー(AIエージェント)

Tokyo
On-site

Engineering manager for AI agents, leading engineering teams in designing, building, and scaling production-level AI agents for enterprise customers across industries like finance and healthcare. The role owns the entire agent development lifecycle, collaborates with global business leaders, and shapes the core platform. Required skills include leading end-to-end production system teams, problem-solving in fast-paced environments, and business requirement translation, with preferred experience in AI/LLM systems, React, TypeScript, and Go.

No karta members yet
2 months ago

ストラテジスト・マネージャー

Tokyo
On-site

Strategist Manager at Sierra. Leads the end-to-end development, deployment, and continuous improvement of tailored AI agents for enterprise customers while managing and scaling the strategist team. Requires strong customer obsession, strategic problem-solving, cross-functional communication, and hands-on experience with AI/LLM technologies, RAG, and prompt engineering.

No karta members yet
2 months ago

GTM オペレーションズ (GTM Operations)

Tokyo
On-site

A GTM Operations professional on the go-to-market team, leading strategic projects, business planning, and process optimization for an AI customer experience platform. The role requires 5 to 10 years of experience in investment banking, management consulting, private equity, corporate planning, or BizOps, with strong communication, data analysis, and bilingual Japanese and English skills.

¥19M - ¥34M
No karta members yet
3 months ago

パートナーセールス (Partnerships Sales)

Tokyo
On-site

Partnerships Sales. This role drives partner-led revenue growth and strategic enterprise sales in Japan for an AI customer experience platform. Day-to-day responsibilities include working alongside partner sales teams, building internal champions, managing the sales pipeline from discovery to close, and collaborating on GTM operations and enablement. The posting requires 10+ years of enterprise technology sales experience with 8+ years in the Japanese market, deep enterprise networks with major Japanese telecom and system integration partners, native-level Japanese, and business-level English proficiency.

¥19M - ¥34M
No karta members yet
4 months ago

シニア・リーガルカウンセル (Senior Legal Counsel)

Tokyo
On-siteSenior

Senior Legal Counsel on the global legal team. The role involves managing commercial transactions and contracts, building legal operations, providing regulatory and privacy guidance, and supporting sales and Go-To-Market teams in the AI platform domain. The posting requires 8 or more years of legal experience with a mix of major law firm and IT company backgrounds, expertise in complex contract negotiations, and bilingual communication skills in Japanese and English.

¥25M - ¥40M
No karta members yet
8 months ago

エンタープライズ・セールス・エンジニア (Enterprise Sales Engineer)

Tokyo
On-site

An enterprise sales engineer in AI customer experience platforms. Day to day, you design and deliver product demos, propose technical solutions to customer needs, and collaborate directly with sales, product, and agent engineering teams to drive go-to-market strategies and product improvements. The posting requires 5 to 7 years of experience as a sales engineer, solutions engineer, or customer-facing technical sales role, bilingual Japanese and English proficiency, enterprise-level sales leadership, and the ability to connect business challenges with technical solutions.

¥22M - ¥35M
No karta members yet
8 months ago

ストラテジスト

Tokyo
On-site

Agent Strategist leading enterprise AI agent deployments from conception through production. This role involves partnering with executive clients to understand business challenges, translating requirements into conversation flows and integrations, and driving continuous improvement based on operational data. The position requires strong Japanese communication skills, consulting experience, technical understanding of software development or AI, and analytical problem-solving abilities.

¥20M - ¥35M
No karta members yet
8 months ago

Technical Product Manager(AIエージェント)

Tokyo
On-site

Technical Product Manager for AI agents. Owns building and releasing enterprise-grade AI agents, engaging with customers to define requirements, running demos, solving technical challenges, and shaping the product roadmap in collaboration with engineering teams. Requires 5 to 7 years of experience in highly technical product development, product management or similar development roles, executive-facing communication skills, and proficiency in both English and Japanese, with preferred experience in AI agents, React, TypeScript, and Go.

¥22M - ¥47M
No karta members yet
11 months ago

ソフトウェアエンジニア(AIエージェント)

Tokyo
On-site

Software engineer for AI agents in the conversational AI platform domain. Designs, builds, and deploys high-performance, production-level AI agents for enterprise customers, driving the agent development lifecycle from pilot to continuous iteration. Requires experience building end-to-end production systems, technical problem-solving, direct customer collaboration, and proficiency in Japanese and business-level English, with preferred experience in AI/LLM production deployment, evaluation frameworks, RAG pipelines, prompt engineering, React, TypeScript, and Go.

¥22M - ¥47M
No karta members yet
11 months ago