Software Engineer – AI Product Development

PRANCE HOLDINGS Co., Ltd.; United States; Remote; USD 75,000 - 125,000; Full time

Benefits offered by this job

Fully remote in Japan

Flexible scheduling 06:00-23:00

Job summary

PRANCE HOLDINGS Co., Ltd. is seeking an experienced AI product engineer to design and deliver AI-powered products for business users.

You will work across backend services and user-facing features, combining hands-on product engineering with rapid experimentation. In this fully remote role based in Japan, you will collaborate with product managers and clients to turn business needs into scalable technical solutions, build end-to-end features, and improve reliability and observability of

Qualifications

• Degree in computer science or equivalent practical experience.
• Strong backend or full-stack development with TypeScript, Next.js, Python, or Java.
• Experience deploying cloud systems on Azure, AWS, or Google Cloud.
• Practical experience with large language model technologies and prompting.
• Understanding of relational databases and experience working with varied data sources.
• Effective communication in English and Japanese.

Responsibilities

• Build product features end to end, from backend components to user experiences.
• Develop production pipelines using language models, embeddings, vector stores, retrieval-augmented generation, and evaluation tools.
• Work with product managers and clients to understand business needs and turn them into technical solutions.
• Prototype, evaluate, and refine ideas to validate them quickly.
• Operate production services and improve their reliability, scalability, and observability.

Skills

Backend/Full-stack

TypeScript

Next.js

Python

Java

Cloud deployment

LLM technologies

Relational databases

English & Japanese

Education

CS degree

Tools

Azure

AWS

Google Cloud

Job description

Role overview

Design and deliver AI-powered products for business users, working across backend services and user-facing features. The role combines hands-on product engineering with rapid experimentation and collaboration with clients and product teams.

Responsibilities

• Build product features end to end, from backend components to user experiences.
• Develop production pipelines using language models, embeddings, vector stores, retrieval-augmented generation, and evaluation tools.
• Work with product managers and clients to understand business needs and turn them into technical solutions.
• Prototype, evaluate, and refine ideas to validate them quickly.
• Operate production services and improve their reliability, scalability, and observability.

Requirements

• A degree in computer science or equivalent practical experience.
• Strong backend or full-stack development skills, with experience in TypeScript, Next.js, Python, or Java.
• Experience deploying cloud systems on Azure, AWS, or Google Cloud.
• Practical experience with large language model technologies and prompting.
• Understanding of relational databases and experience working with varied data sources.
• Effective communication in both English and Japanese.

Benefits and work setup

• Fully remote work within Japan, with optional office attendance.
• Flexible scheduling: eight standard working hours per day within a 06:00-23:00 window.