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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Mid-Senior Game Backend Developer (Chinese Mandarin Speaker) - **Company:** Bitus Labs - **Location:** Irvine, CA, United States - **Experience:** Experienced - **Salary:** $100,000.0 - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Application Programming Interfaces (APIs), Amazon Web Services, Amazon Elastic Compute Cloud, Amazon S3, Communications Protocols, Concurrent Computing, Serialization, Relational Databases, Distributed Systems, Protocol Buffers, Java Virtual Machine (JVM), PostgreSQL, MySQL, Node.Js, Performance Tuning, Queueing Systems, RabbitMQ, Redis, Systems Integration, Web Applications, WebSocket, WebRTC, Multithreading, Load Balancing, Amazon ElastiCache, Spring-boot, Software Troubleshooting, Caching, Backend, Amazon Relational Database Service, Containerization, Kubernetes, Low Latency, Apache Kafka, Restful APIs, Docker - **Published:** June 18, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=0561626bfd861fa6 ## About the Role Do you have experience in System troubleshooting?, * Solid Java fundamentals (strong understanding of JVM, multithreading, and concurrent programming) * Proficient with WebSocket / socket.io and other real-time communication technologies * Hands-on experience with Netty for building high-performance, low-latency network applications * Experienced in RESTful API design and development * Familiar with Protobuf (or other serialization protocols such as FlatBuffers / Thrift) * Solid understanding of high-concurrency and distributed system design, including load balancing and horizontal scaling * Experience with relational databases (MySQL / PostgreSQL) and caching (Redis) * Familiar with common frameworks (Spring Boot, Netty, etc.) * Experience deploying and operating services on AWS (e.g., EC2, ECS/EKS, RDS, ElastiCache, S3) * Strong troubleshooting and performance optimization skills * Chinese mandarin fluent. Preferred / Nice to Have Preferred Experience * Solid backend development experience, with a focus on game and real-time service backends * Experience shipping and operating at least one live game or online product end-to-end * Experience supporting Unity-based games on the backend, collaborating closely with Unity client engineers on networking and protocol design * Experience shipping lightweight social/instant games (e.g., Telegram mini-games), including platform integration (bot API, authentication, payments) * Proven experience building systems that handle high concurrency and large numbers of simultaneous online users (e.g., tens of thousands of CCU) * Hands-on experience designing real-time communication architectures for latency-sensitive applications * Experience collaborating in cross-functional teams (client engineers, game designers, QA, operations) Nice to Have * Prior experience in game backend / real-time multiplayer projects is strongly preferred * Experience working alongside Unity client teams, with a good understanding of Unity client- server communication * Familiarity with Node.js for backend services or tooling * Experience building Telegram mini-games / Mini Apps (or other instant/social platform games) * Familiarity with message queues (Kafka / RabbitMQ) * Experience with containerization and orchestration (Docker / Kubernetes) * Experience building game-specific systems such as matchmaking, leaderboards, and anti-cheat ## Description We're looking for a Game Backend Developer to join our team building real-time multiplayer and social games. You'll design and operate the backend services that power our Unity-based titles and Telegram mini-games - handling everything from real-time communication and game state synchronization to matchmaking and live operations. If you enjoy solving high-concurrency, lowlatency challenges and want to see your work directly impact live players, we'd love to talk. ## Related Videos - [Building the platform for providing ML predictions based on real-time player activity](https://www.wearedevelopers.com/videos/944-building-the-platform-for-providing-ml-predictions-based-on-real-time-player-activity) - [Reducing LLM Calls with Vector Search Patterns - Raphael De Lio (Redis)](https://www.wearedevelopers.com/videos/1714-reducing-llm-calls-with-vector-search-patterns-raphael-de-lio-redis) - [MySQL Protocol Features You Should Be Aware Of](https://www.wearedevelopers.com/videos/100267-mysql-protocol-features-you-should-be-aware-of) - [Docker Compose: Rediscovered](https://www.wearedevelopers.com/videos/1978-docker-compose-rediscovered) - [Accelerating Authentication Architecture: Taking Passwordless to the Next Level](https://www.wearedevelopers.com/videos/733-accelerating-authentication-architecture-taking-passwordless-to-the-next-level) - [Coding for Good: Achieving social change with an app](https://www.wearedevelopers.com/videos/1645-coding-for-good-achieving-social-change-with-an-app) ## Related Articles - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [What’s the Difference Between Frontend and Backend Development?](https://www.wearedevelopers.com/magazine/240-what-s-the-difference-between-frontend-and-backend-development) - [Find a Developer Job: 12 Best Job Sites For Developers](https://www.wearedevelopers.com/magazine/165-find-a-developer-job-12-best-job-sites-for-developers) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [Dev Digest 132 - Binging WADFlix?](https://www.wearedevelopers.com/magazine/473-dev-digest-132-binging-wadflix) - [Dev Digest 131 - AI'm not sure about OSS](https://www.wearedevelopers.com/magazine/472-dev-digest-131-ai-m-not-sure-about-oss)