Senior Staff/Staff Cryptography Engineer

OKX
Hong Kong, Singapore
Workplace: OnsiteFull timeFunction: Solutions Engineering & Sales EngineeringEducation: mastersSkills: []

Design and implement post-quantum cryptography within existing signature and key management systems, including algorithm migration and updates to PQC standards. Build and maintain cryptography libraries for MPC wallet/Web3 security products. Conduct research across Web3 cryptography, produce selection reports, and perform security audits of wallet-layer signature code and protocol implementations. Help define cryptography technical standards and enforce security requirements for cryptography-related code.

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FursaFursa
OKX
OKX
1 day ago

Senior Staff/Staff Cryptography Engineer

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Source: Company careers pageValidated by: Fursa AI
Last checked: 6 hours agoStatus: Live

Job Summary

Design and implement post-quantum cryptography within existing signature and key management systems, including algorithm migration and updates to PQC standards. Build and maintain cryptography libraries for MPC wallet/Web3 security products. Conduct research across Web3 cryptography, produce selection reports, and perform security audits of wallet-layer signature code and protocol implementations. Help define cryptography technical standards and enforce security requirements for cryptography-related code.
Location: Hong Kong, Singapore
Workplace: Onsite
Employment Type: Full time
Job Function: Solutions Engineering & Sales Engineering
Seniority: Mid level

Key Responsibilities

  • •Design, assess migration paths for, and implement post-quantum cryptography (PQC) algorithms within existing signature and key management systems.
  • •Design and develop the underlying cryptography library for MPC wallet/Web3 security products.
  • •Research Web3-ecosystem cryptography technologies and produce technology selection reports and related technical documentation.
  • •Conduct security audits of wallet-layer signature code and cryptographic protocol implementations.
  • •Participate in defining the team’s cryptography technical standards and enforce security red lines for cryptography-related code.

Pay and Benefits

Perks:Learning BudgetMeal AllowanceHealth Insurance

Key Requirements

  • •Master’s degree or above in Cryptography, Mathematics, Computer Science, Cybersecurity, or a related field.
  • •Solid theoretical foundation in cryptography, including public-key cryptosystems, symmetric/asymmetric cryptography principles, lattice theory, security protocol design, and blockchain cryptography applications.
  • •In-depth research experience in post-quantum cryptography, including familiarity with lattice-based cryptography and hash-based signatures and knowledge of NIST PQC algorithms (Kyber, Dilithium, SPHINCS+, etc.).
  • •In-depth research experience in secure multi-party computation (MPC), including threshold signature and secret sharing protocol principles and engineering implementation.
  • •Proficient in at least one of: C/C++, Rust, Go, or Java.
Education:Master's
Languages:English
Tech Stack:Post-quantum cryptography (PQC)Lattice-based cryptographyHash-based signaturesNIST PQCKyberDilithiumSPHINCS+MPCThreshold signatureSecret sharingZero-knowledge proofsZk-SNARKZk-STARKHomomorphic encryptionC/C++RustGoJava

Company Brief

OKX
Global cryptocurrency exchange and Web3 technology provider offering spot and derivatives trading, custody, wallet services, and blockchain infrastructure to retail and institutional users worldwide.
Industry: Trading Platforms
Company Size: Enterprise (1,001+ employees)
Growth: Established Company
Headquarters: Victoria, Seychelles
Founded: 2017
WebsiteLinkedIn