Salary
$51k – $76k per year
Location
In office (Tokyo)
Seniority
Senior
Employment
Full-Time
Overview
Company
Impact
Profile match
DMM TV、オンラインゲーム、動画、電子書籍、英会話、FXなどのサービスを提供中!新規サービスも続々リリースするDMM.comへようこそ!.
Responsibilities
- Design, build, and maintain efficient, reusable, and reliable code across the entire stack.
- Collaborate with product and design teams to implement new features and user-facing applications.
- Adapt to and utilize proprietary, in-house data protocols and specialized internal design patterns.
- Identify bottlenecks and bugs, and devise solutions to mitigate these problems.
- Maintain strict standards for code quality, testing, and automation.
Requirements
- Backend: Professional experience developing and maintaining web applications using Ruby on Rails.
- Frontend: Professional experience building responsive user interfaces using React.
- Solid understanding of object-oriented programming, relational databases, and state management.
- Experience integrating front-end components with back-end APIs.
- AI Tooling
- Demonstrated proficiency in integrating modern AI development tools (e.g., Claude, GitHub Copilot) into the daily workflow to maximize development velocity.
- A disciplined approach to AI utilization: leveraging tools for efficiency while maintaining full ownership of code quality, architectural integrity, and security.
Nice to haves
While not specifically required, tell us if you have any of the following.
- Hands-on experience training AI models (distinct from utilizing pre-trained model APIs or developer tool interfaces).
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