About Us -------- Winna.com is an innovative crypto casino, pushing the boundaries of online gaming with cutting-edge technology and a seamless user experience. We are building a high-performance, scalable, and secure platform to serve a growing number of players worldwide. As we scale, we are looking for talented individuals who want to shape the future of crypto gaming with us. The Role -------- We are seeking a Back-End Developer to build and optimize the foundation of our gaming platform. You will work on API development, database management, and performance optimization while ensuring security and scalability. This role is ideal for someone who enjoys working on high-load systems, solving complex challenges, and driving innovation in a dynamic, fast-paced environment. What We Are Looking For ----------------------- * We need a developer with a strong technical background who is passionate about creating scalable and efficient backend systems. * Experience in the iGaming industry is importantyou should be familiar with the mechanics and challenges of online casinos, player transactions, and gaming operations. * A strong understanding of mathematical logic and calculations is valuable, as you will be working with gaming logic and odds calculations. * You should be comfortable working with real-time applications and high-load environments. Key Responsibilities -------------------- * Design, develop, and maintain APIs for our casino platform * Manage and optimize databases for scalability and efficiency * Ensure high performance and low latency in a high-load environment * Implement robust security measures to protect user data and transactions * Develop and integrate new functionalities into our platform * Work closely with the front-end, DevOps, and external teams to ensure seamless system integration * Optimize and fine-tune gaming logic, mathematical models, and calculations to ensure accurate gameplay mechanics, as well as support real-time dashboard KPIs and data visualizations Skills & Attributes ------------------- * Tech stack: Strong experience with Node.js, plus expertise in SQL, Redis, Web3, AWS is a plus * Understanding of high-load systems and real-time data processing * Experience designing and optimizing database structures * Knowledge of cryptographic principles and security best practices * Strong problem-solving skills and a passion for mathematical logic and calculations * Familiarity with iGaming industry mechanics is a mustunderstanding game engines, odds calculations, and player transaction flows * Ability to work independently and collaboratively with a distributed team * Experience integrating blockchain/Web3 technologies is beneficial Why Winna? ---------- * Work on an innovative crypto gaming platform with cutting-edge technology * The opportunity to shape the core architecture of a fast-growing casino platform * A dynamic, agile work environment with direct impact on the product * Flexible work options: Remote, Hybrid, or On-site in Berlin * A talented, passionate team with a startup mindset and flat hierarchies * Competitive compensation based on experience and expertise How to Apply ------------ If you're excited about this opportunity, we'd love to hear from you! Send us your GitHub, CV, or a short intro about your experience. We look forward to meeting you!

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