Staff Engineer, Middleware Hong Kong, Hong Kong SAR; Singapore, Singapore

OKX; Singapore; On-site; SGD 120,000 - 180,000; Full time

Benefits offered by this job

L&D programs and Education subsidy for

Various team building programs

Wellness and meal allowances

Healthcare schemes for employees and l

Job summary

OKX is seeking a senior middleware architect to lead the design and optimization of microservice governance, RPC frameworks, and data middlewares. You will drive selection of scalable solutions and ensure high availability, security, and data consistency across distributed systems.

The role requires deep expertise in Spring Boot/Spring Cloud, Kafka, Redis, MySQL, and containerized environments, with a track record of large-scale projects and strong collaboration across teams.

Qualifications

• Design and implement middleware architectures for scalable systems.
• Proven experience in microservice governance and RPC frameworks.
• Strong background in NoSQL/SQL databases and data storage optimization.
• Hands-on with cloud-native tools and container orchestration (K8s).
• Experience with distributed systems, messaging, and data consistency.

Responsibilities

• Develop and optimize microservice governance, RPC frameworks, and data middlewares.
• Research and select middleware solutions to ensure high availability and security.
• Tune frameworks like Spring Boot/Spring Cloud for performance.
• Address distributed data consistency and efficient message queues.
• Oversee deployment, monitoring, and incident response of middleware.

Skills

Software development

Middleware design

Distributed systems

Microservice architecture

Spring Cloud

Kafka

RabbitMQ

Redis

MongoDB

MySQL

Spring Boot

Kubernetes

Zookeeper

etcd

ServiceMesh

eBPF

Nacos

Apollo

Kong API Gateway

Education

Bachelor's degree in Computer Science or related field

Tools

Spring Cloud

Dubbo

Kafka

RabbitMQ

Redis

MongoDB

MySQL

ElasticSearch

Nacos

Apollo

Kong API Gateway

Kubernetes

etcd

Zookeeper

ServiceMesh

Sidecar

eBPF

Job description

OKX will be prioritising applicants who have a current right to work in Singapore, and do not require OKX's sponsorship of a visa

Who We Are

At OKX, we believe that the future will be reshaped by crypto, and ultimately contribute to every individual's freedom. OKX is a leading crypto exchange, and the developer of OKX Wallet, giving millions access to crypto trading and decentralized crypto applications (dApps). OKX is also a trusted brand by hundreds of large institutions seeking access to crypto markets. We are safe and reliable, backed by our Proof of Reserves. Across our multiple offices globally, we are united by our core principles: We Before Me, Do the Right Thing, and Get Things Done. These shared values drive our culture, shape our processes, and foster a friendly, rewarding, and diverse environment for every OK-er. OKX is part of OKG, a group that brings the value of Blockchain to users around the world, through our leading products OKX, OKX Wallet, OKLink and more.

About the Team

The Middleware team is committed to pushing the ultimate optimization of existing technologies but also continuously exploring frontier technologies and innovations, striving to lead industry changes. Our projects cover multiple fields such as microservice governance, RPC frameworks, MQ messaging middlewares, and data middlewares, providing solid technical support for the company's business. We advocate an open, sharing, and cooperative cultural atmosphere, and we look forward to pushing the frontier of technology for the organization.

What You’ll Be Doing

Responsible for the overall architecture design and optimization of microservice governance frameworks (e.g., SpringCloud), RPC frameworks, MQ messaging middlewares (e.g., Kafka), and data middlewares (including RDB databases such as MySQL, 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 customized development and performance tuning of the frameworks.

Deep understanding of RPC communication mechanisms and the working principles of message queues, optimizing message transmission efficiency and resolving data consistency issues in distributed systems.

Combine business requirements to design efficient data storage solutions, optimizing data access performance and cost.

Responsible for the 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.

What We Look For In You

Bachelor's degree or above in Computer Science or a related field, with a solid foundation in computer science.

Over6 years of software development experience, with at least4 years of experience in middleware or distributed system architecture design, and successful cases of large-scale project or complex system architecture design.

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 optimization of NoSQL databases such as Redis and MongoDB, as well as relational databases like MySQL.

Familiar with the use and optimization of search engines such as Elastic Search.

Practical experience with configuration centers such as Nacos and Apollo, as well as containerization technologies like Kong API Gateway and Kubernetes (K8S).

Understanding of distributed coordination services such as etcd and Zookeeper, and have some understanding and practical 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.

• L&D programs and Education subsidy for employees' growth and development
• Various team building programs and company events
• Wellness and meal allowances
• Comprehensive healthcare schemes for employees and dependants

More that we love to tell you along the process!

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