Middleware Senior Architect

Join to apply for the Middleware Senior Architect role at OKX . OKX will be prioritising applicants who have a current right to work in Hong Kong, and does not require OKX's sponsorship of a visa. At OKX, we believe the future will be reshaped by crypto, enabling every individual's freedom. OKX is a leading crypto exchange and the developer of OKX Wallet, providing millions of users with crypto trading and decentralized applications. OKX is a trusted brand for institutions seeking access to crypto markets. We are safe, reliable, and backed by Proof of Reserves. Our core principles are “We Before Me”, “Do the Right Thing”, and “Get Things Done”, driving culture, processes, and diversity. Join the middleware team – an elite group of technical experts from top internet companies such as Alibaba, ByteDance, Tencent, and Baidu – working on microservice governance, RPC frameworks, MQ messaging middlewares, and data middlewares. We advocate an open, sharing, and cooperative culture, and aim to lead industry changes. Responsibilities Responsible for the overall architecture design and optimisation of microservice governance frameworks (e.g., Spring Cloud), RPC frameworks, MQ messaging middlewares (e.g., Kafka), and data middlewares (including RDB databases such as MySQL and NoSQL such as Redis, Elastic Search, etc.). Conduct in‑depth research and select appropriate technical solutions, driving the selection and implementation of middleware technologies to ensure high availability, scalability, and security of the system. Proficient in microservices frameworks such as Spring Boot and Spring Cloud, responsible for custom development and performance tuning of the frameworks. Deep understanding of RPC communication mechanisms and the working principles of message queues, optimising message transmission efficiency and resolving data consistency issues in distributed systems. Combine business requirements to design efficient data storage solutions, optimising data access performance and cost. Responsible for integrated deployment, monitoring and alerting, troubleshooting, and emergency response of middleware systems, improving operational efficiency and system stability. Keep abreast of industry trends, introduce new technologies and concepts, and promote team technical capabilities. Requirements Bachelor's degree or above in Computer Science or a related field, with a solid foundation in computer science. Over 10 years of software development experience, with at least 6 years in middleware or distributed system architecture design, and successful large‑scale project or complex system architecture cases. Proficient in microservice architecture design and implementation, familiar with RPC frameworks such as Spring Cloud and Dubbo, as well as messaging middlewares like Kafka and RabbitMQ. Deep understanding of the design and optimisation of NoSQL databases such as Redis and MongoDB, as well as relational databases like MySQL. Familiar with the use and optimisation of search engines such as Elastic Search. Practical experience with configuration centres such as Nacos and Apollo, and containerisation technologies like Kong API Gateway and Kubernetes (K8S). Understanding of distributed coordination services such as etcd and Zookeeper, and some experience in cutting‑edge technologies such as ServiceMesh, Sidecar, and eBPF. Possess top‑level design capabilities for complex systems, able to independently complete the entire process from requirement analysis to technical solution design. Excellent logical thinking and problem‑solving skills, able to quickly locate and resolve system bottlenecks and difficult issues. Good communication and coordination skills, a strong sense of teamwork, able to effectively manage project timelines and lead the team to achieve goals. Mandarin speaker is a plus. Maintain curiosity about new technologies and be willing to continuously learn and apply them in practical work. Job Details Seniority level: Mid‑Senior Employment type: Full‑time Industry: IT Services and IT Consulting Location: Hong Kong, Hong Kong SAR All official OKX vacancies are posted on this site. We are not affiliated with other third‑party job boards. Referrals increase your chances of interviewing at OKX by 2x. Get notified about new Senior Architect jobs in Hong Kong, Hong Kong SAR . #J-18808-Ljbffr