Backend Engineer

🚀 Server-Side Engineer | Job ID: 07633

📍 Tokyo (Remote options available / Flexible work style)

💰 Annual Salary: ¥5,000,000 – ¥13,000,000

🇯🇵 Japanese Level: ★★★☆☆ Advanced

Are you passionate about anime, manga, games, or VTubers? Join a fast-growing entertainment tech company building the future of virtual experiences!

About the Role

As a Backend Engineer, you will design, develop, and operate backend systems for a VTuber avatar and streaming application. You’ll work closely with engineers, product teams, and designers to build scalable and reliable systems from the ground up.

Responsibilities

• Develop backend APIs using TypeScript and Hono

• Build real-time communication systems with Node.js

• Design and optimize databases using PostgreSQL, AlloyDB, and Redis

• Improve system reliability, performance, and developer experience

• Participate in architecture design and code reviews

• Collaborate with cross-functional teams to deliver new features

Tech Stack

☁️ GCP (AlloyDB, Cloud Storage, Pub/Sub, Firebase)

💻 TypeScript, Node.js, Hono, Zod

🗄 PostgreSQL, Redis / Valkey

🛠 Docker, GitHub Actions, pnpm, Turborepo

Requirements

✅ Experience developing backend/server-side applications

✅ Experience with cloud platforms such as GCP or AWS

✅ Experience with RDBMS and caching technologies

✅ Experience with Git-based team development

✅ Passion for Japanese entertainment culture (anime, manga, games, VTubers)

Why Join?

✨ Build a product from 0→1 and make a direct impact

✨ Work on technology shaping the future of VTuber platforms

✨ Collaborate with a creative and international team

✨ Flexible work style with remote options and flextime

Interested in creating the next generation of virtual entertainment? Apply now or reach out to learn more!

We also have more opportunities available across different roles. If this isn’t the right fit, feel free to explore our other openings