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OKX

Senior Staff/Staff Cryptography Engineer

OKX · Hong Kong, Hong Kong SAR; Singapore, Singapore

Posted about 2 months ago

or apply directly on OKX's site. We never take the application ourselves.

Is this posting real?

This role has been open
52 days
OKX's roles stay open a median of 54 days
Reposted
No
Salary listed
No
8% of OKX's roles list one
Ghost-job risk at OKX
high
286 stale, 6 reposted of 343 open
Hiring momentum
411 roles opened in the last 90 days
↑ up vs. the prior 90 days
Last confirmed on the employer's board
2026-09-26

Measured from postings appearing on and disappearing from OKX's own greenhouse board since 2026-08-03. Full hiring picture for OKX.

About this role

As a Senior Staff/Staff Cryptography Engineer at OKX, you will design and implement post-quantum cryptography algorithms, develop cryptographic libraries for Web3 security products, and conduct security audits on cryptographic protocols. You will also research and document cryptography technologies within the Web3 ecosystem and help define technical standards for the team.

Our read on this posting2.8out of 5
benefits
3/5
freshness
1/5
career value
5/5
role clarity
5/5
pay transparency
0/5

Scored from the posting itself — how clearly the role is described, how much it says about pay and benefits, and how recently it was listed. Not a judgement of OKX as an employer.

What you need

  • 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 fundamentals, security protocol design, and blockchain cryptography applications
  • In-depth research experience in post-quantum cryptography; familiar with lattice-based cryptography and hash-based signatures; knowledge of NIST PQC standard algorithms (Kyber, Dilithium, SPHINCS+, etc.)
  • In-depth research experience in secure multi-party computation (MPC); familiar with threshold signature and secret sharing protocol principles and engineering implementation
  • Some research background in zero-knowledge proofs (e.g., zk-SNARK/zk-STARK), homomorphic encryption, or related cryptographic theory
  • Proficient in at least one of: C/C++, Rust, Go, or Java

Nice to have

  • Published papers at international cryptography conferences
  • Fluent English (listening, speaking, reading, writing)

What you get

  • Competitive total compensation package
  • L&D programs and Education subsidy for employees' growth and development
  • Various team building programs and company events
  • Wellness and meal allowances
  • Comprehensive healthcare schemes for employees and dependants

Worth weighing

  • No specific salary listed
  • Focus on advanced cryptography may limit exposure to broader engineering practices
  • Role requires significant research experience, which may not appeal to all candidates

Summarised from OKX's posting. Read the full original.

Listed by OKX on their greenhouse job board, last confirmed open on 2026-09-26. PitchMeAI is not the employer.

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