Senior Engineer (Security) - Middleware Platform

Confirmed live in the last 24 hours

OKX

Hong Kong, Hong Kong SAR

On-site

Posted March 16, 2026

Job Description

Who We Are

At OKX, we believe that the future will be reshaped by Crypto, ultimately contributing to every individual's freedom. OKX began as a crypto exchange giving millions of people access to crypto trading and over time becoming among the largest platforms in the world. In recent years, we have developed one of the most connected Web3 wallets used by millions to access decentralized crypto applications (dApps). OKX is a trusted brand by hundreds of large institutions seeking access to crypto markets on a reliable platform that seamlessly connects with global banking and payments. In the last year, OKX has expanded into new markets including Australia, Brazil, Netherlands, Singapore and Turkey, with plans to launch in the US, Belgium and the UAE.

We are deeply committed to shaping a fairer, more transparent and accessible society through blockchain technology. This is why we publish proof of reserves monthly, and continue to ship new innovative security features.

About the Opportunity

The middleware team plays a strong and crucial part in stabilising the core infrastructure of OKX. It allows for a stable overall architecture and environment that allows for the engineering community to code, push out to features in a safe and reliable environment. The team is a group of tightly knit individuals passionate about utilising tech to improve and better the coding environment within OKX, thereby benefiting our users and customers in the long run.

What You’ll Be Doing:

Responsible for developing an internal Data Loss Prevention system (DLP), with features including sensitive data identification, data classification and grading, flow monitoring, outbound interception, and data leakage tracing
Responsible for the development and maintenance of the existing Host-based Intrusion Detection System (HIDS)
Collaborate closely with the Security Operations team to support emergency response to risk events and address any defects or issues in the use of DLP and HIDS systems
Stay updated with the latest technology trends in the information security industry and drive the improvement of the team's technical capabilities

What We Look For In You:

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