Principal/Senior Engineer - Defi - Web3 - DEX(Java)

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 DEX team is a cross-chain transaction aggregator that helps users find the best liquidity on the chain and easily trade any asset. DEX automatically calculates the optimal transaction path in multi-chain and cross-chain scenarios through intelligent routing algorithms, providing users with quotes with lower slippage and fewer network fees.

What You’ll Be Doing
• Responsible for server-level development of blockchain, Oracle, and other blockchain service products;
• System Performance optimization, technical research and development to ensure high availability, high reliability and high performance requirements;
• Architecture ability to identify service optimization points and improve engineering production efficiency;
• Familiar with business and product requirements, complete functional design, architecture design optimization and R & D work.

What We Look For In You
• Bachelor's degree or above in computer science, software engineering or related majors, with more than 3 years of work experience.
• Java solid foundation, including JVM, IO, multithreading, concurrency, networking, deep understanding of Object Oriented, design principles, encapsulation abstraction, etc.
• Proficient in mainstream Java frameworks such as Spring/SpringBoot/SpringCloud, with experience in large-scale project foundation and application architecture design preferred;
• Familiar with one of Python/Go/TS/Rust/Graph, etc., those who write blockchain smart contracts or other decentralized applications are preferred;
• Familiarity with blockchain platform products is preferred, such as Bitcoin, Ethereum, Hyperledger, etc.
• Those who are interested in blockchain technology and have experience in using and researching public chain ecosystem projects are preferred, such as Uniswap, AAVE, etc.
• Understanding Merkel trees, zero-knowledge proofs, and L2 layer network implementation principles is a priority.

Perks & Benefits
• Competitive total compensation
• Comprehensive insurance coverage for employees and their dependants
• More that we love to tell you along the process!