Job title: Full stack Engineer- RC
Job type: Permanent
Emp type: Full-time
Industry: IT & Telecommunications / IT・通信
Functional Expertise: Technical (IT) / 技術職(IT)
Salary: Negotiable
Location: Tokyo
Job published: 2026-02-23
Job ID: 69770

Job Description

Career Opportunity for a Full stack Engineer in Japan! 

 

■ Full stack Engineer 

 

■ Company Overview

With the aim of enhancing the potential of working people through AI technology, we leverage cutting-edge AI technology to drive research and development both domestically and internationally. We focus particularly on the development of AI agents, providing innovative products and solutions that utilize large language models (LLM). This enables us to improve productivity and operational efficiency across various industries.

 

■ Your Role and Responsibilities 

●As a Full-Stack Engineer, you will join our development team to lead the evolution of our AI products.

●Design and develop products leveraging Large Language Models (LLM).

●Lead projects to integrate multiple APIs and create new APIs.

●Perform design and implementation with a focus on performance and maintainability.

●Develop frontend applications using TypeScript and Next.js.

 

■ Experience and Qualifications

Tech Stack

Languages: Python (for framework development), TypeScript / React / Next.js (for frontend development) / NX

Infrastructure: GCP (containers / Kubernetes), Docker

Tools: Slack, Confluence, Linear, Google Workspace, GitHub, Notion

Work Environment: Mac (Apple Silicon), dual monitors available

 

●3+ years of experience in web application development using modern frameworks.

●2+ years of experience in server-side implementation.

●Proficiency in at least one backend language (e.g., Python, Java).

●Experience with cloud services (AWS, GCP, Azure) and understanding of container technologies (Docker, Kubernetes).

●Fluency in English and/or Japanese (business level or higher in at least one language).

 

■ Additional Preferred Qualifications
●Experience in developing SaaS web applications.

●Experience in designing and building large-scale, complex architectures.

●Basic understanding and interest in Generative AI.

●Ability to stay updated on the latest technology trends and share knowledge within the organization.

 

■ Good Reasons to Join

● Work with International team members

● Hybrid working environment

 

■ Work Location

Tokyo, Japan

 

Details will be provided during the meeting.