Staff/Senior Prompt Engineer

  • Tokyo
  • Partial Remote
  • Full-time
  • April 4, 2024
Apply from Japan Only
No relocation to Japan
(No visa sponsorship from overseas)
Language Requirements
Japanese: Not Required 👍
English: Business Level
Minimum Experience
Senior or above

Treasure Data: 

At Treasure Data, we’re on a mission to radically simplify how companies use data to create connected customer experiences. Our sophisticated cloud-based customer data platform drives operational efficiency across the enterprise to deliver powerful business outcomes in a way that’s safe, flexible, and secure. 

We are thrilled that Gartner Magic Quadrant has recognized Treasure Data as a Leader in Customer Data Platforms for 2024! It's an honor to be acknowledged for our efforts in advancing the CDP industry with cutting-edge AI and real-time capabilities. 

Furthermore, Treasure Data employees are enthusiastic, data-driven, and customer-obsessed. We are a team of drivers—self-starters who take initiative, anticipate needs, and proactively jump in to solve problems. Our actions reflect our values of honesty, reliability, openness, and humility. 


Role Overview:

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.


Your 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.


Your experience and skills will include:

  • 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. Experience in additional programming languages such as Ruby (on Rails) is a plus.
  • Excellent analytical, problem-solving, and project management skills.
  • Strong communication abilities, capable of conveying complex technical ideas to non-technical stakeholders.


We would be thrilled if you had:

  • Have experience owning and leading short to medium term technical direction involving across teams
  • Have business level English proficiency


Our Dedication to You:

We value and promote diversity, equity, inclusion, and belonging in all aspects of our business and at all levels. Success comes from acknowledging, welcoming, and incorporating diverse perspectives.
Diverse representation alone is not the desired outcome. We also strive to create an inclusive culture that encourages growth, ownership of your role, and achieving innovation in new and unique ways. Your voice will be heard, and we will help amplify it. 

Treasure Data is a best-of-breed enterprise customer data platform (CDP) that powers the entire business to shape customer-centricity in the age of the digital customer. We do this by connecting all data into one smart customer data platform, uniting teams and systems to power purposeful engagements that drive value and protect privacy for every customer, every time. Trusted by leading companies around the world, Treasure Data customers span the Fortune 500 and Global 2000 enterprises.

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