Xsolla

Senior Backend Developer (Rust / C++), 6 months Contract (open to extension)

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Job Description

ABOUT YOU

We are looking for passionate C/C++ and Rust developers with at least 5 years of experience in network programming for multiplayer/MMO games in fast-paced development environments, as well as hands-on experience with industry-standard game engines such as Unreal Engine 5, Unity, or proprietary AAA engines. 
 

ABOUT US

Xsolla is a global commerce company with robust tools and services to help developers solve the inherent challenges of the video game industry. From indie to AAA, companies partner with Xsolla to help them fund, distribute, market, and monetize their games. Grounded in the belief in the future of video games, Xsolla is resolute in the mission to bring opportunities together, and continually make new resources available to creators. Headquartered and incorporated in Los Angeles, California, Xsolla operates as the merchant of record and has helped over 1,500+ game developers to reach more players and grow their businesses around the world. With more paths to profits and ways to win, developers have all the things needed to enjoy the game.
For more information, visit xsolla.com.


RESPONSIBILITIES

  • Participate in the development and evolution of backend technologies for scalable virtual worlds

  • Work with high-load distributed systems

  • Integrate gameplay systems with backend infrastructure

  • Optimize project performance and scalability

  • Contribute to the development of multiplayer and large-scale online systems

  • Collaborate closely with game project teams and support the implementation of gameplay systems

  • Participate in architectural decisions and the technical evolution of the platform

  • Research and implement modern technologies for distributed simulation and large-scale multiplayer environments

  • Develop integrations with modern game engines and online services


    • REQUIREMENTS

  • Strong proficiency in Rust and C/C++

  • Experience in game development, particularly multiplayer and online projects

  • Solid understanding of multiplayer architecture, networking, and distributed systems

  • Strong expertise in low-level high-performance programming

  • Good understanding of network protocols and client-server architecture

  • Experience optimizing performance and scalability of high-load systems

  • Understanding of real-time networking and latency-sensitive systems

  • Experience with industry-standard game engines such as Unreal Engine, Unity, or similar

  • Understanding of cloud infrastructure, distributed environments, and multi-cloud architectures

  • Strong knowledge of data structures and algorithms

  • Strong debugging, profiling, and problem-solving skills

  • Interest in modern networking technologies and distributed simulation systems

  • Strong communication skills and ability to work effectively in a team environment

  • At least 5 years of professional experience specifically in multiplayer game development or real-time distributed networks

    • Nice to Have

  • Experience working on MMO or large-scale multiplayer projects

  • Experience with low-level network optimization

  • Knowledge of QUIC, UDP/TCP internals, or modern networking approaches

  • Experience with eBPF/XDP, DPDK, or similar performance-oriented technologies

  • Experience developing distributed backend infrastructure for games or real-time systems


    • Apply Now
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