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  • Cologne

  • We’re searching for an experienced Java developer with a passion for designing and building engaging Minecraft minigames from the ground up. In this role, you’ll be responsible for implementing fast-paced, polished, and replayable game modes that push the boundaries of Minecraft’s mechanics and player expectations.

    You’ll join a highly technical team building a new Minecraft network from scratch — focused on performance, quality, and gameplay depth. From prototyping core mechanics to delivering production-ready experiences, your work will directly shape how players interact, compete, and have fun on our platform.

    Tasks

    • Design, prototype, and implement original minigames with a focus on replayability, competitive balance, and performance
    • Develop efficient, maintainable server-side game logic using Java and the PaperMC ecosystem
    • Handle player states, matchmaking, game flow, rewards, and lifecycle management for multiple simultaneous game instances
    • Work closely with contents, builders, and developers to integrate game mechanics, maps, and systems
    • Optimize network performance and tick usage — especially in high-concurrency or fast-paced environments
    • Create robust debugging, logging, and monitoring tools to support rapid iteration and testing
    • Document gameplay logic, flow diagrams, and APIs for internal use
    • Participate in regular code reviews, testing sessions, and feedback loops
    • Collaborate with QA and playtesters to identify edge cases, bugs, and balance issues
    • Support post-release maintenance, bugfixing, and updates based on player feedback and analytics

    Requirements

    • 3+ years of experience with Java in production-level environments
    • Demonstrable experience working on / patching minigames
    • In-depth technical knowledge of CraftBukkit/Spigot and Paper
    • Strong experience with NMS and handling network packets
    • Engaging and entertaining design concepts
    • Team-oriented mindset – you're motivated by collaborative success
    • Availability for a full-time contractor role (40 hours per week)

    Benefits

    • The opportunity to shape a brand-new Minecraft network from the ground up
    • A highly motivated and experienced dev team working on modern, scalable server architecture
    • Freedom to innovate – real impact on core systems like anti-cheat, backend, and gameplay infrastructure
    • Top-tier hardware provided as needed (high-end laptops, test rigs, etc.)
    • Access to a powerful development and testing environment, including a dedicated dev network
    • Long-term contractor role with a stable, professional work setup
    • Fully remote – work from anywhere

    We’re building a diverse and inclusive team culture. Regardless of background, gender identity, or orientation — whether you’re a volunteer or paid contributor — you are welcome here. Always.

    Application form

    Apply for the job by filling the job application form with your details

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    Jobs at 4w3 Development Inc

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