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Staff Engineer, Middleware

Hong Kong 💼 Full-time🗓 2026-07-31 → 2026-09-26

Core

Designing and optimizing microservice governance, RPC frameworks, message queues, and data middlewares to ensure high availability, scalability, and security for a crypto exchange.

Role type

Staff Engineer, Middleware Architecture

Builds

Microservice governance frameworks, RPC frameworks, MQ messaging middlewares, and data middlewares for OKX's business operations.

Domain

Fintech / Cryptocurrency / Distributed Systems

Deliverable

production ML models | product features | infrastructure

Required skills

Microservice architecture design, RPC framework implementation, Message queue management, NoSQL database optimization, Relational database optimization, Search engine optimization, Containerization orchestration, Distributed coordination services, System performance tuning, Incident response

Preferred skills

ServiceMesh, Sidecar patterns, eBPF, API Gateway management

Technologies

Spring Cloud, Dubbo, Kafka, RabbitMQ, MySQL, Redis, MongoDB, Elastic Search, Nacos, Apollo, Kong, Kubernetes, etcd, Zookeeper

Responsibilities

Architecting and optimizing middleware systems for high availability and scalability; Conducting research and selecting technical solutions for distributed systems; Designing efficient data storage solutions; Managing deployment, monitoring, and emergency response for middleware systems; Mentoring team members on industry trends and new technologies.

Seniority

Staff, hands-on IC with strategic design scope

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