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Senior Node.js Engineer at Khan Tech. Remote Location: Remote-Ukraine. About Us:. Khantech is an IT startup dedicated to redefining the iGaming experience with cutting-edge technology and creative solutions. We are a team of Engineers, Designers, and gaming enthusiasts working remotely within Europe and Asia or in-house in our UAE/Dubai premises. . About the product:. https://www.vatanplatform.com. Responsibilities:. Build and maintain high-performance backend services to support real-time user interactions on the betting platform, including bet placement, odds processing, and live event updates.. Integrate real-time data streams such as live sports scores, dynamic odds, and betting outcomes using WebSockets or polling mechanisms.. Design and develop RESTful APIs to handle core platform functionalities like user registration, betting transactions, payment processing, and account management.. Optimize backend systems to support large volumes of concurrent users, especially during peak traffic, by implementing efficient code, load balancing, and caching strategies.. Key Requirements:. 4+ years of experience, with a strong focus on high-performance platforms within . gaming or gambling environments.. Proficiency in Node.js and backend frameworks such as Express.. Solid experience working with WebSockets, RESTful APIs, and microservices architecture.. Proficient with both relational (e.g., MySQL, PostgreSQL) and NoSQL (e.g., MongoDB) databases, including query optimization and data modeling.. Solid understanding of the principles of game development, including real-time multiplayer features, game logic, and random number generation.. Bonus Skills:. Experience integrating blockchain or cryptocurrency technologies into backend platforms.. Knowledge of gambling mechanics for games such as slots, crash, or live betting systems.. Understanding of compliance and licensing requirements in the online gambling industry.