DescriptionPosition: Senior Backend EngineerSalary Range: 2000 – 2,500 USD per monthWorking Schedule: M-F, flexible, German Time Zone.Holiday: TBDResponsibilities: Performance optimization knowledge: For databases (MySQL), Node.js code, and even tests/CI.Must have experience with Test-Driven Development (TDD)Excellent analytical and problem-solving skills.Passionate about writing well-structured, efficient, and maintainable code.RequirementsBackend services building with TypeScript and Node.js, ideally with 5+ years of experience.Proficiency in: Express.Additional skills in: Redis, worker (Bull Queue), Copilot, ClickHouse, OpenAPI specs, Jest are a plus.SQL DB knowledge:Preferably MySQL.Depth of knowledge necessary.Infrastructure management knowledge:AWS stack (EB, load balancer), Unix/Linux.Plus: Docker/Kubernetes.