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Senior Applied Cryptographer

https://www.microsoft.com/ Logo

Microsoft Corporation

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Location:
United States , Redmond

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Contract Type:
Not provided

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Salary:

119800.00 - 234700.00 USD / Year

Job Description:

The Security Research Group at Microsoft Research Redmond is pushing the boundary of what is possible with the fascinating primitive of zero-knowledge (ZK) proofs. You’ll work alongside experts who are shaping the future of secure and privacy-preserving computation through real-world applications of this primitive. Your contributions will help define the next generation of secure, scalable, and private systems in the cloud. As a Senior Applied Cryptographer, you will design and implement next-generation zero-knowledge proof systems targeting improved performance, higher security (e.g., resistance to quantum computers), and programmability (e.g., supporting general computation). In this role, you’ll deepen your expertise in state-of-the-art proof systems and high-speed implementations. You’ll have opportunities to grow your skills through hands-on innovation and collaboration with world-class researchers and engineers.

Job Responsibility:

  • Design and implement ZK circuits for real-world applications including signature verification and state management via Merkle trees
  • Use and extend circuit Software Development Kits (SDKs) to accelerate development
  • Develop reusable circuit components and SDKs to support new token standards
  • Add new functionality, extend existing functionality, and maintain high-speed cryptography libraries like Nova
  • Upgrade proof systems to include recent developments/optimizations
  • Parallelize proof generation across machines
  • GPU-based optimization of proving process
  • Embody our culture and values

Requirements:

  • Bachelor's Degree in Computer Science or related technical field AND 4+ years technical engineering experience with coding in languages including, but not limited to, Rust
  • OR equivalent experience

Nice to have:

  • Doctorate (PhD) or Master's Degree in Computer Science or related fields
  • Prior experience with ZK circuit development using frameworks like Bellpepper, Circom, or Arkworks
  • Familiarity with blockchain token standards
  • Familiarity with state-of-the-art proof systems
  • Prior experience with implementing and optimizing proof systems
  • Experience with constraint systems and ZK proof systems

Additional Information:

Job Posted:
March 21, 2026

Employment Type:
Fulltime
Work Type:
Hybrid work
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