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Sakana AI

Orchestrates multiple LLMs via API

Forward Deployed Engineer (Defense)

AI Application EngineeringConfirmed live in the last 24 hours
Full-timeTokyo, JapanNo salary listed

About the Job

Requirements

  • Have practical experience with data science or machine learning projects.
  • Have experience developing applications using large language models or generative artificial intelligence.
  • Have development experience in Python, including data processing and application programming interface development.
  • Have experience defining requirements and eliciting customer needs.
  • Have a track record of solving business problems with technology.
  • Have native-level Japanese proficiency for customer business discussions.

Responsibilities

  • Conduct business interviews through visits to ministries, units, bases, and garrisons.
  • Work alongside operational staff to document workflows, forms, existing systems, and decision-making processes.
  • Identify true operational bottlenecks and break them down into problems addressable with artificial intelligence.
  • Feed primary information from the field back into internal product and research themes.
  • Design and implement artificial intelligence applications based on customer requirements.
  • Design integrations with existing business systems and data sources.
  • Implement fact-checking and hallucination-mitigation measures.
  • Design user interfaces and workflows.
  • Build prototypes and incorporate customer feedback.
  • Build and evaluate domain-specific benchmarks.
  • Continuously monitor and improve accuracy and quality.
  • Identify and address edge cases and failure patterns.
  • Make ongoing improvements based on customer feedback.
  • Communicate closely with customer operational staff and subject-matter experts.
  • Collaborate with the ARE team to bring leading-edge technology into operational settings.
  • Communicate deployment and operational requirements to the software engineering team.
  • Manage project progress and report to stakeholders.

Desired Qualifications

  • Have experience developing data science solutions in client-facing work.
  • Have experience working for Japan's Ministry of Defense or Self-Defense Forces, or project experience with defense-related manufacturers, trading companies, or government-focused systems integrators.
  • Have experience building artificial intelligence agents or multi-agent systems.
  • Have business-level English proficiency, which is advantageous for collaboration with the Research team.
  • Have project management or team leadership experience.

About the Company

Sakana AI

Orchestrates multiple LLMs via API

Sakana AI builds AI foundation models and a multi-agent orchestration platform. Its flagship product, Sakana Fugu, runs as a single language-model interface that plans, delegates to, and combines outputs from a swappable pool of LLMs—including closed frontier models, open models, and its own instances—behind an OpenAI-compatible API. Fugu comes in two flavors: a low-latency everyday model and Fugu Ultra for tackling tough, multi-step tasks in software engineering, scientific research, and cybersecurity. The company differentiates itself by treating orchestration as a core capability to hedge against vendor lock-in and export-control shifts, using techniques like evolutionary model merging and agentic research systems. Sakana aims to provide reliable, flexible AI tooling for developers and enterprises through its API and tool integrations, while continuing to publish research on learned model orchestration.

Company size
201-500
Company stage
Series B
Total funding
$365M
Headquarters
Tokyo, Japan
Founded
2023

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