Job Application for Senior Software Engineer (Exchange Middle Platform) at OKX

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 Middle Platform team develops the core modules of the exchange, including the matching engine, real-time market data streaming, and market data analysis. It is the backbone of our industry-leading trading product, used by millions of users.

What You’ll Be Doing

Design and implement innovative solutions for our full range of trading products including spot, future, perpetual swap and options.
Build out real-time market data gateway.
Performance optimization for overall trading architecture aiming for low latency, high availability and scalability.

What We Look For In You

Solid STEM (Science/Technology/Engineering/Mathematics) education background or relevant working experience
Strong logical thinking and problem-solving skills.
Fluent with high-performance Java, async programming patterns, and network programming.
Experience working with distributed systems and micro service architecture.
Experience in practicing automated testing and continuous integration.
Proficiency in listening and speaking in Chinese, as the role will require cross-regional communication with engineers based in China.

Nice to Haves

Knowledge and experience with financial services protocols including FIX, SBE, ProtoBuf or similar. Experience utilizing low latency messaging frameworks like Aeron, Chronicle Queue.
Interest in learning about different aspects of trading products in financial and crypto markets, including spot, future, swap, options, and structured products.

Perks & Benefits

Competitive total compensation package
L&D programs and Education subsidy for employees' growth and development
Various team building programs and company events