Staff Software Engineer Backend, Billing

📋 Description Lead planning, design, and implementation of Halcyon Labs's engineering system. Collaborate with business/product teams to understand needs and architecture. Design and develop components on the company's microservice framework. Introduce innovative technologies and solutions for the team. Build and maintain internal coding standards; lead the technical team. This role is based in Singapore/Shanghai, China. 🎯 Requirements 8+ years Core Java; 5+ years in internet/financial/e-commerce. 1+ year experience in payment platform development. BS in Computer Science or related. Java 8, multi-threading, high concurrency, IO/NIO, REST. Spring / Spring Boot; Gradle/Maven; Docker; HTTP/TCP/IP; JSON/XML. Large-scale distributed, high concurrency, high availability systems; design patterns.