Game Backend Developer (Mandarin Speaker) Job at Bitus Labs, Irvine, CA

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  • Bitus Labs
  • Irvine, CA

Job Description

Salary: $100,000 - 100,000 per year Requirements:

  • Strong Java fundamentals, including a solid grasp of the JVM, multithreading, and concurrent programming
  • Proficiency with WebSocket, socket.io, and similar real-time communication technologies
  • Hands-on experience with Netty for high-performance, low-latency network applications
  • Experience designing and developing RESTful APIs
  • Familiarity with Protobuf or comparable serialization formats such as FlatBuffers or Thrift
  • Strong understanding of high-concurrency and distributed system design, including load balancing and horizontal scaling
  • Experience with relational databases such as MySQL or PostgreSQL, plus caching with Redis
  • Familiarity with common frameworks such as Spring Boot and Netty
  • Experience deploying and operating services on AWS, including EC2, ECS/EKS, RDS, ElastiCache, and S3
  • Strong troubleshooting and performance tuning skills
  • Fluent Mandarin Chinese
  • Experience in backend development, especially game and real-time service backends, is preferred
  • Experience delivering and operating at least one live game or online product end to end is preferred
  • Experience supporting Unity-based games on the backend and collaborating on networking and protocol design is preferred
  • Experience shipping lightweight social or instant games, such as Telegram mini-games, including bot API, authentication, and payments, is preferred
  • Proven ability to build systems that support high concurrency and large volumes of simultaneous users, such as tens of thousands of CCU, is preferred
  • Experience designing real-time communication architectures for latency-sensitive applications is preferred
  • Experience working in cross-functional teams with client engineers, game designers, QA, and operations is preferred
  • Prior experience in game backend or real-time multiplayer projects is strongly preferred
  • Familiarity with Node.js for backend services or tooling is preferred
  • Experience with Telegram mini-games, Mini Apps, or other instant and social platform games is preferred
  • Familiarity with message queues such as Kafka or RabbitMQ is preferred
  • Experience with Docker and Kubernetes is preferred
  • Experience building matchmaking, leaderboards, and anti-cheat systems is preferred
  • Ability to commute to Irvine, CA 92618 and relocate there before starting work
Responsibilities:
  • Design and operate backend services that power our Unity-based titles and Telegram mini-games
  • Build real-time communication, game state synchronization, matchmaking, and live operations capabilities
  • Solve high-concurrency and low-latency challenges for live player experiences
  • Collaborate closely with Unity client engineers on networking and protocol design
  • Work with cross-functional partners, including client engineers, game designers, QA, and operations
  • Develop and support game-specific backend systems such as matchmaking, leaderboards, and anti-cheat
  • Deploy and manage services in cloud environments and support ongoing performance optimization
Technologies:
  • API
  • AWS
  • Backend
  • Cloud
  • Docker
  • EC2
  • Support
  • JVM
  • Java
  • Kafka
  • Kubernetes
  • Load Balancing
  • MySQL
  • Network
  • PostgreSQL
  • RabbitMQ
  • Redis
  • Spring
  • Spring Boot
  • Unity
  • NodeJS
  • GameDev

More:

We are building real-time multiplayer and social games, including Unity-based titles and Telegram mini-games, and our work directly supports live players. This is an in-person role based in Irvine, CA 92618. We offer a competitive salary starting from $100,000 per year along with benefits including 401(k), 401(k) matching, dental, health, vision, paid sick time, and paid time off.

last updated 27 week of 2026

Job Tags

Full time, Relocation

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