Design customer solutions through API and data integration, AI and third-party connections, and alignment with product and development teams. Full remote work is available.
About this role
This role develops internal web and desktop applications that automate business operations by using generative AI such as Claude Code and Gemini. Responsibilities include designing services, managing small projects, creating examples of generative AI use, sharing related knowledge inside and outside the company, and advising internal members who want to use generative AI more effectively.
The position provides opportunities to combine services such as AWS, GitHub, Google Workspace, Notion, Slack, Gemini, and Claude, while selecting technologies and implementing services with individual discretion. The stated business context is software and database development using AI, voice, and cloud technologies, and the role supports internal digital transformation and generative AI adoption.
The development environment includes Python, Go, Rust, and TypeScript; Django, FastAPI, React, and Vue; PostgreSQL and DynamoDB; AWS services including Fargate, Lambda, and Aurora; and tools including GitHub, Slack, Notion, and Docker. Required qualifications are at least two years of web application development experience and at least one year of software development experience using one or more of Claude Code, GitHub Copilot, Cursor, or Devin.
Preferred experience includes Python or TypeScript development, frontend development with React or Vue.js, project management, performance tuning, and troubleshooting. The posting also describes a preference for people who identify with the mission and vision, demonstrate the company values, work with an emphasis on teamwork, think logically, and have a strong interest in personal growth.
The position is listed as full-time in the structured job data. The description states that, after consultation, the hire is expected to join as either a regular employee or a contract employee. Annual compensation is listed as ¥4 million to ¥8 million, with the final amount determined according to experience and ability. One example is annual compensation of ¥6 million paid in 12 installments, consisting of a monthly base salary of ¥363,000 and ¥137,000 in fixed overtime pay. The fixed overtime component covers 45 hours, and additional premium pay is provided for overtime exceeding 45 hours.
Work uses a flextime system without core hours. The listed location is in Marunouchi, Chiyoda, Tokyo, and full remote work is stated to be available from home or another location where information security can be maintained, subject to exceptions for some positions. Holidays and leave include a two-day weekly holiday system, public holidays, annual paid leave, year-end and New Year leave, two to three summer days, six days of family leave subject to conditions, birthday leave of one day during the birthday month, condolence leave, and other statutory leave.
Benefits include a company-provided Mac or Windows computer, transportation costs, a company-leased housing program, social insurance, assistance with book purchases, multilingual learning and lesson fees, babysitter costs, seminar and study-session attendance, and certification costs. Side work is permitted with approval. The probationary period is six months, with the same salary and treatment as after probation. Selection consists of document screening followed by one to three interviews; a coding test may be conducted for engineering positions.
This is an AI-generated summary of the employer's original posting — details can be incomplete, out of date or simply wrong. Always confirm everything on the official posting before applying.
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