Okx11d ago

Principal Engineer, Middleware

Singapore·Singaporelead

OtherPrincipal Engineer

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Quick Summary

Overview

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,

Technical Tools

OtherPrincipal Engineer

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

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.

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.

Responsibilities

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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.).
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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.
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Proficient in microservices frameworks such as Spring Boot and Spring Cloud, responsible for customized development and performance tuning of the frameworks.
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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.
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Combine business requirements to design efficient data storage solutions, optimizing data access performance and cost.
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Responsible for the integrated deployment, monitoring and alerting, troubleshooting, and emergency response of middleware systems, improving operational efficiency and system stability.
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Keep abreast of industry trends, introduce new technologies and concepts, and promote team technical capabilities.

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 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.

What We Offer

~1 min read

✓Competitive total compensation package

✓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!

Location & Eligibility

Where is the job

Singapore, Singapore

On-site at the office

Who can apply

Listed under

Singapore

Listing Details

Posted: April 20, 2026
First seen: April 20, 2026
Last seen: May 1, 2026

Posting Health

Days active: 10
Repost count: 0
Trust Level: 45%
Scored at: May 1, 2026

Signal breakdown

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Apply for this position

Okx

greenhouse

OKX is a global cryptocurrency exchange and Web3 technology company, offering trading, wallet services, and access to decentralized finance. Founded in 2017, it serves millions of users in over 100 countries.

Employees

5k+

Founded

2017

Domain

Jobs

External application · ~5 min on Okx's site

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