This position is closed and is no longer accepting applications.

Staff/Senior Prompt Engineer

Treasure AI Minato-ku, Tokyo April 8 2025
  • 💴 No salary range given
  • 🏡
    Partially remote
  • 🗾 Japan residents only
  • 💬
    No Japanese required
    Business English
  • 🧪
    Senior level
    5+ years experience required

About Treasure AI

Treasure AI Minato-ku, Tokyo

Treasure AI is the only enterprise Customer Data Platform that harmonizes an organization’s data, insights, and engagement technology stacks to drive relevant, real-time customer experiences throughout the entire customer journey.

Key benefits

  • Highly Technical Founders
  • Globally distributed company
  • Open Source is in our DNA

About the position

The Staff/Senior Prompt Engineer will be instrumental in developing and optimizing our system’s functionality, ensuring the best possible application of LLM technologies like GPTs and Claude. This role requires an individual who is adept at navigating the nuances of various LLMs, selecting the most appropriate model for each task, and crafting prompts that maximize the potential of these models to meet our business objectives.

Responsibilities

  • Lead the design and implementation of prompt engineering strategies across various Large Language Models (GPTs, Claude, etc.) to enhance our CDP’s functionality.
  • Evaluate and select the most suitable LLMs for different tasks, considering factors such as performance, cost, and ease of integration
  • Develop and refine prompts that effectively leverage the unique capabilities of each chosen model to fulfill specific marketing and data analysis objectives.
  • Collaborate with the machine learning team to integrate AI-driven insights and functionalities into our platform, enhancing customer data analysis and personalization capabilities.
  • Stay updated with the latest developments in LLMs and prompt engineering, assessing new models and techniques for potential application within our platform.
  • Mentor and provide guidance to junior engineers, fostering a culture of technical excellence and innovation.

Requirements

  • Bachelor’s or Master’s degree in Computer Science, AI, Machine Learning, or a related field
  • 5+ years of experience in software development, 2+ years with a strong focus on AI and prompt engineering.
  • Expertise in working with major Large Language Models such as GPTs, Claude, and others, with a proven track record of developing effective prompts.
  • Solid understanding of machine learning concepts and how they apply to prompt engineering and data processing.
  • Proficiency in programming languages relevant to AI and machine learning, such as Python.
  • Excellent analytical, problem-solving, and project management skills.
  • Strong communication abilities, capable of conveying complex technical ideas to non-technical stakeholders.

Nice to haves

While not specifically required, tell us if you have any of the following.

  • Experience in additional programming languages such as Ruby (on Rails).
  • Have experience owning and leading short to medium term technical direction involving across teams

Meet Treasure AI's Developers

David discusses how he enjoys switching hats between ML and software, and why he finds Treasure AI’s “extensive ecosystem” so much fun.

Read their story...

Carlo, a Staff Software Engineer, shares how Treasure AI’s latest AI initiatives are opening up unprecedented opportunities for both the company, and his career.

Read their story...

Tyler is a software engineer at Treasure AI working on their Data Clean Room product. He talks about how Treasure AI supports their team’s learning and growth, and how they invest in the quality and performance of their services.

Read their story...

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