区块链钱包底层研发工程师（多链签名/密码学）
"What You'll Be Doing"
What You'll Be Doing
Research and develop support for mainstream and emerging public chains, covering address generation, transaction construction and signing, ensuring stable multi-chain signature functionality
Design, develop and optimize the performance of cryptographic components used in blockchain digital asset security infrastructure
Design, build and maintain multi-chain infrastructure and related SDKs, providing a unified abstraction layer for multi-chain interfaces to support asset transfers and on-chain interactions
Track industry developments — researching public chain features, protocol upgrades, TEE and other emerging technologies, as well as security incidents — and produce technical research reports and recommendations, driving them through to implementation
Conduct research into cryptography and blockchain security, including literature review and solution validation, producing research reports and technical documentation
Participate in security reviews of code and protocol implementations, and help establish cryptographic technical standards, maintaining security baselines
What We're Looking For
Master's degree or above in computer science, physics, cryptography, mathematics, information security or a related field
Proficiency in at least one of Golang, Java, C/C++ or Rust, with solid programming fundamentals
Rigorous thinking and strong self-motivation, with excellent learning ability — able to quickly master new areas and independently solve complex problems
Strong English reading and technical writing skills, able to read and reproduce cutting-edge papers
Bonus Points
Background in the blockchain industry or wallet development experience, with familiarity with mainstream chains such as Bitcoin, Ethereum and Solana
Publications at international cryptography or top security conferences, or experience with CTF competitions, algorithm competitions, or significant open-source contributions
A foundation in cryptography, or in-depth study/research in related theoretical areas
A master's, PhD, or ongoing PhD studies in cryptography, mathematics, theoretical computer science or related fields
Research experience in areas such as zero-knowledge proofs, secure multi-party computation, or post-quantum cryptography
Fluent English listening, speaking, reading and writing
Ready to Apply?
To submit your application for this position, please visit O Group's official website and follow their application process.