Software Engineer

Responsibilities:

• Lead the technical design and implementation of engaging, scalable gameplay systems for a large and active user base.
• Own cross-platform development across mobile (iOS/Android), ensuring code is reusable, maintainable, and performant across multiple environments.
• Drive performance optimization and reliability, including profiling, debugging, and troubleshooting complex issues on mobile devices.
• Collaborate cross-functionally with engineers, product managers, game designers, and UX designers to deliver high-quality user experiences.
• Provide technical leadership and mentorship to other engineers through code reviews, design reviews, and knowledge sharing.
• Contribute to engineering excellence, including improving development processes, testing practices, and overall code quality.
• Required in-office 3 days on Tuesday, Wednesday, and Thursday.

Qualifications:

• BS in Computer Science or a related technical field, or equivalent practical experience.
• 5+ years of professional experience in game development, with strong expertise in Unity and/or other game engines.
• Proficient working in C# or C++.
• Embraces generative AI with curiosity and good judgment, using it responsibly to improve tooling, testing, debugging, prototyping, and overall product quality.
• Ability to work in a fast-paced hybrid environment and handle stress appropriately and/or ability to solve practical problems and be sufficiently adaptable to handle dynamic situations with little advance notice.
• Experience working on cross-functional teams with ability to communicate effectively through written and verbal communications, including synchronous interactions with others.
• Japanese language skills (intermediate - Business level)

Plus If…

• Have mobile or console game performance optimization experience.
• Experience with shader programming (e.g., GLSL, HLSL, Metal).
• Passion for building products that connect people through shared real-world or interactive experiences.