Game Server-Side Engineer

Date PostedMay 21, 2026LocationShibuya, Tokyo, JapanCompanyFellowship co.,ltd.SalaryJPY 5000K - JPY 7000KTypecreative (media related) - creative (game/video/audio) creative (other) - other creative (other) - fashion (designer/pattern maker/stylist/hair dresser)

Job Summary

This position involves game server-side development, specifically focusing on API design, tool development, and Unity integration in Shibuya. The role leverages generative AI for coding efficiency and requires technical proficiency in PHP or Go. Successful candidates will have opportunities for career progression into leadership or management roles.

Responsibilities

Design and develop game APIs
Create operational and automation tools
Conduct code reviews and refactoring
Collaborate with internal and external teams

Required Skills

Proficiency in AI-assisted coding
PHP or Go server-side development (2+ years)
Database design and SQL knowledge
Business level Japanese (JLPT N2)

Job Details

[Job Description] * Game API design/development/testing/operation * Tool development (operation, debugging, automation tools, etc.) * Code review, refactoring, and other optimization techniques * Coordination with other sections and external staff [Tools Used] * Game Engine: Unity * Editor: PHPStorm, Visual Studio Code, Cursor, etc. * AI Assistant: Development is possible using generative AI such as ChatGPT, Claude, and Gemini. * Version Control: Git * Communication Tools: Chatwork, Google Workspace [Post-Joining Work Image] * First 6 Months: Understand the overall program structure and perform tasks independently. * 6 Months to 1 Year: Opportunity to take on leadership or sub-leader roles in small teams. * 3-5 years: Choose between becoming a specialist or a playing manager focusing on organizational development. [Job Requirements] * Ability to perform over 50% of API implementation solely through AI coding * Experience proactively resolving technical challenges in business using AI * Ability to create appropriate prompts in game development * Experience in server-side development of game applications using PHP or Go (2+ years) * Knowledge and practical experience in database design, SQL, and game API logic [Desirable Skills] * Client-side work experience using Unity * Experience with automation using Github Actions / Jenkins, etc. * Experience in tool development using Ruby / Python / Go, etc. * Experience in improving code quality through refactoring * Experience in developing administration sites using React * Experience launching new game applications * Experience in developing server-side infrastructure for game applications