Backend developer (nodejs)

Beijing
Permanent
Full-time

7 days ago

Our communications platform offers businesses a centralized solution for seamless communication with gamers and partners using messaging tools such as the chat widget and popular messaging apps. We are dedicated to ensuring the reliable and uninterrupted functioning of communication in all channels. \nRESPONSIBILITIES

Develop and maintain backend services for the communications platformDesign and implement APIs and integrations with various Xsolla products
Apply architectural patterns, SOLID principles, and DDD practices in everyday developmentWork on performance optimization, stability, and scalability of the system
Collaborate with frontend developers and product teams to ensure seamless product functionality

REQUIREMENTS

Strong skills in backend development using
Experience with

framework * Solid understanding of working with databases (we use MongoDB)

Knowledge of SOLID principles, DDD, and other architectural patternsUnderstanding of API design (REST, WebSockets, HTTP)
What is good to have?
Experience with developing real-time applications
Experience with

framework * Knowledge of Docker / Kubernetes

Experience in designing and building scalable systems
Familiarity with CI/CD pipelines and performance analysis tools

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