At OKX, we believe our future is reshaped with technology. Founded in 2017, OKX is one of the world’s leading cryptocurrency spot and derivatives exchanges. OKX innovatively adopted blockchain technology to reshape the financial ecosystem by offering some of the most diverse and sophisticated products, solutions, and trading tools on the market. Trusted by more than 20 million users in over 180 regions globally, OKX strives to provide an engaging platform that empowers every individual to explore the world of crypto. In addition to its world-class DeFi exchange, OKX serves its users with OKX Insights, a research arm that is at the cutting edge of the latest trends in the cryptocurrency industry. With its extensive range of crypto products and services, and unwavering commitment to innovation, OKX vision is a world of financial access backed by blockchain and the power of decentralized finance.

We invest in our people as much as we invest in technology. We are united by our engaging culture, here we win as a team, embrace changes, and do the right thing. We are committed to creating a friendly, rewarding and diverse environment for OKers. It doesn’t matter where you come from, here everyone feels valued, respected and has the same opportunities to develop and thrive — we want to bring out the best in you.

About the Opportunity

Cutting-Edge Technology: Work with the talents in blockchain technology, contributing to security tool development and optimization, staying at the forefront of this rapidly evolving field.
Growth and Development: Benefit from continuous learning opportunities, gaining hands-on experience in smart contract auditing and security tools development.
Global Impact: Make a worldwide impact with our globally-used Web3 products, contribute to its safety and reliability.

What You’ll Be Doing:

In charge of spearheading the design, development, meticulous testing, and fine-tuning for optimal performance of L1 or L2 blockchain projects.
Leading communication efforts and actively contributing pull requests (PRs) to prominent blockchain projects like Ethereum, Polygon, and others within the mainstream.
Develop the ZKEvm and related components
Collaborate with the team to develop scalable blockchain solutions.
Participate in product planning and formulate technical roadmaps.
Resolve issues encountered during the development process, carry out fault diagnosis and repair.

What We Look For In You:

Bachelor's degree in Computer Science, Software Engineering or a related field, or equivalent work experience.
Preferably have 2-3 years of experience in blockchain development, proficient in Golang, Rust , C++ or other related languages.
Deep understanding of blockchain technology, including Ethereum, Polygon, Bitcoin, Solana, and L2 networks, etc.
Experience in zero-knowledge proof development, especially zkvm, and familiarity with principles of plonk/halo2/KZG/FRI and related libraries or circuit development languages, such as plonky2, Circum, gnark
Familiar with performance optimization tools such as Gperftools, Profiler, Flamegraph, Pprof, etc., and have experience in performance optimization development in actual projects. Experience in zk GPU acceleration is preferred
Excellent analytical and problem-solving ability, and good team spirit.

Nice to have:

Profound understanding the mechanism of mainstream ZK-Rollup L2 and deep understanding the technical of ZKEvm.
Practical project experience in L2 blockchain such as polygon\linea\zksync
Experienced in ZKP such as groth16、fflonk、plonky2

Perks & Benefits

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

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