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Applied Research Engineer (Product)

Sakana AI · Tokyo

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At a glance

Highlights

  • Bring cutting-edge research results to the world as AI products.
  • Work directly with customers to solve domain problems end-to-end.
  • Explore productization of novel research within a global team.

What they offer

  • Full-time, one-year contract, contractor and internship options
  • Contractor arrangement 24+ hours per week on weekdays

Ideal candidate

Hands-on builder excited to bridge research and products, comfortable with ambiguity and direct customer collaboration. Curious, product-minded engineer who thrives in a bilingual global team.

Requirements

  • Hands-on experience with generative AI technologies such as LLMs and AI agents
  • Experience building AI agent workflows, multi-agent systems and agent tools
  • Experience with RAG systems, search engines and document understanding with VLMs and OCR
  • Experience with safe AI operation including fact-checking, citation and guardrails
  • Experience building benchmarks and continuously evaluating and improving models
  • Experience training and evaluating models with reinforcement, supervised and unsupervised learning
  • Experience across full data science process from problem definition to value validation
  • Practical know-how using AI-assisted coding tools such as Copilot, Cursor, Devin and Claude Code
  • Bachelor's or Master's degree in computer science, machine learning or related field
remote policy
hybrid
hiring process
Submit CV and cover letter in English via Google Form, followed by document screening, technical assignment and casual interview.

Lab profile

About Sakana AI

Tokyo AI lab building nature-inspired generative AI, LLMs and recursive self-improving systems for enterprise use.

What they build

  • Sakana Chat
  • Sakana Marlin
  • Sakana Fugu

Known for

  • Collective intelligence
  • Model orchestration
  • Recursive self-improvement
  • Large language model development

Key facts

  • Founded in 2023
  • Headquartered in Tokyo, Japan
More about Sakana AI →
Apply on the lab’s site ↗

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