Senior Backend Game Developer

1 semana atrás

Portugal Block Labs Tempo inteiro

About Block Labs Block Labs is a premier technology studio operating at the bleeding edge of Web3, Artificial Intelligence, and iGaming. We don't just ship features; we engineer high-scale, production-grade platforms that power the next generation of digital products. We are a collective of senior engineers, product strategists, and builders who refuse to compromise on architecture. Whether we are designing autonomous multi-agent AI systems, building decentralized financial infrastructure, or architecting high-frequency iGaming platforms, our standard is excellence. We move fast, but we build for the long term. If you are looking to work alongside a team that values deep technical expertise, thoughtful system design, and product ownership, Block Labs is where you belong. About The Role You'll join a high-performing engineering team that values ownership, strong fundamentals, and pragmatic solutions. This role is ideal for a backend developer eager to work on large-scale, real-time gaming systems supporting both multiplayer and single-player experiences.As a Senior Backend Game Developer (Java), you will design and implement core services that support our multiplayer and single player gaming platforms. You will work with a modular Java architecture based on Spring Boot and handle areas such as user management, wallet systems, rake calculations, and real time communication. You will also use Drools for rule-based decision logic, managing game outcomes, bonuses, and dynamic event triggers within a scalable and testable structure. Key Responsibilities: Build and maintain backend modules for user, wallet, and gameplay services, ensuring consistency and high performance. Implement REST and custom protocol endpoints for clients and partners. Design and optimize database schemas and manage migrations with Flyway. Ensure transaction integrity with JTA/Atomikos for wallet and reward systems. Improve system scalability using Spring Boot, Infinispan, and Quartz Scheduler. Write robust, testable code with JUnit 5 and participate in reviews and CI/CD pipelines. Collaborate cross-functionally with Product, Frontend, and QA teams to deliver reliable releases. About You: 5+ years of backend development experience with Java (17–21). Strong expertise in Spring Boot, Maven, and SQL database design. Experience with distributed systems, multi-threading, and containerised environments. Familiarity with real-time multiplayer or gaming backends (matchmaking, wallet logic, scoring). Knowledge of REST APIs, microservice architecture, and network communication. Experience with Infinispan, Quartz Scheduler, or Apache MINA, and an understanding of

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