About the company
About OKX OKX is a leading crypto trading app, and a Web3 ecosystem. Trusted by more than 20 million global customers in over 180 international markets, OKX is known for being the fastest and most reliable crypto trading app of choice for investors and professional traders globally. Our Singapore office is a Product and Engineering hub and we are in the progress of expanding our teams in Singapore for the continuous growth of our global business. We build and maintain core trading platform with millions of daily active users. Design, Product and Engineering teams work cross-functionally to identify customer needs, and ship high-quality new features through fast iterations.
Job Summary
Roles & Responsibilities
šBlockchain Development: Design, develop, and deploy blockchain solutions, including smart contracts and decentralized applications. šProgramming: Write clean, efficient, and maintainable code in languages such as Solidity, Go, or Rust, C++ depending on the blockchain platform being used. šSmart Contract Development: Create, test, and deploy smart contracts on various blockchain platforms, ensuring security and efficiency. šArchitecture Design: Collaborate with architects and software engineers to design scalable and secure blockchain architectures that meet business and technical requirements. šPerformance Optimization: Analyze and optimize the performance of blockchain networks, including transaction throughput and latency, to enhance scalability and efficiency and optimizing zk circuits to improve performance of zkprover šDocumentation: Create technical documentation, including design specifications, development guides, and API references, to ensure proper usage and maintenance of blockchain solutions.
Requirements
šBachelor's or Master's degree in Computer Science, Software Engineering, or a related field. šProficiency in programming languages such as C++, Rust, Go or Solidity. šExcellent communication and teamwork skills, with the ability to collaborate effectively with cross-functional teams. šHands-on experience with blockchain platforms like Ethereum, Cosmos, Bitcoin, EVM or Webassembly virtual machine. šHands-on experience with L2 platforms such as Polygon ZKEvm, ZKSync Era, Linea, Taiko, Scroll, etc. šFamiliar 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 šExperience 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 šProven experience as a Blockchain Developer or similar role, with a strong understanding of blockchain concepts, consensus algorithms, and cryptographic principles. šFamiliarity with smart contract development tools and frameworks (e.g., Truffle, Remix, Web3.js). šStrong problem-solving and analytical skills, with the ability to design and develop efficient blockchain solutions.
