Who We Are

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.

About the Opportunit

yWe are seeking a talented and experienced Blockchain Developer to join X Layer. As a Blockchain Developer, you will be responsible for designing, implementing, and maintaining blockchain-based solutions. Additionally, you will provide support for hackathons to encourage innovation and collaboration within the X Layer community and contribute to the Polygon CD

K
What You’ll Be Doin

• g:Blockchain Development: Design, develop, and deploy blockchain solutions, Write clean, efficient, and maintainable code in languages , mainly using G o, nice to know Solidity, or Rust, C++ depending on the blockchain platform being use
• d.Performance Optimization: Analyze and optimize the performance of blockchain networks, including transaction throughput and latency, to enhance scalability and efficien
• cySmart Contract Development: Create, test, and deploy smart contracts on various blockchain platforms, ensuring security and efficienc
• y.Architecture Design: Collaborate with architects and software engineers to design scalable and secure blockchain architectures that meet business and technical requirement
• s.Documentation: Create technical documentation, including design specifications, development guides, and API references, to ensure proper usage and maintenance of blockchain solution

s.
What We Look For In Y

• ou:Bachelor's or Master's degree in Computer Science, Software Engineering, or a related fie
• ld.Proficiency in programming languages such as Golang(G
• O).Hands-on experience with blockchain platforms like Ethereum, Cosmos, Bitcoin, EVM or Webassembly virtual machi
• ne.Strong problem-solving and analytical skills, with the ability to design and develop efficient blockchain solutio
• ns.Excellent communication and teamwork skills, with the ability to collaborate effectively with cross-functional tea

ms.
Nice to h

• ave:Hands-on experience with L2 platforms such as Polygon ZKEvm, ZKSync Era, Linea, Taiko, Scroll,
• etc.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 prefe
• rredFamiliarity with smart contract development tools and frameworks (e.g., Truffle, Remix, Web3.
• js).Proficiency in programming langua ges Rust, solidity,
• C++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, g

nark
Perks & Ben

• efitsCompetitive total compens
• ationComprehensive insurance coverage for employees and their depen
• dantsMore that we love to tell you along the pro

All applications applied through our system will be delivered directly to the advertiser and privacy of personal data of the applicant will be ensured with security.