Cryptographic Engineer (zk integrations)

What we're looking for

We are looking for a Senior Software Engineer who can turn ideas into reliable, beautifully written code that others will find easy to comprehend and modify. You have a fundamental understanding of distributed systems and how Linux works behind the scenes. While this is not strictly a theory position, you should also be able to demonstrate some experience and comprehension of zero-knowledge proofs. All additional experience in low-level systems is considered to your benefit.


  • Integrate new prover programs to run on Gevulot Network
  • Work closely with us as we build additional features, functionality, and applications
  • Understand Gevulot infrastructure in detail to ideate and execute areas of improvement
  • Implement and contribute to engineering practices and processes


  • 2+ years of experience in Rust, through official work or personal projects
  • Experience with working zero knowledge prover code, e.g.: zk-SNARK, STARK, or zkevm
  • You should also have some familiarity with ZK components: circuits, commitment schemes, finite field math, serialization
  • Ability to quickly learn complex systems
  • Ability to creatively solve new and complex problems
  • Ability to proactively identify issues and find possible solutions
  • Fluent and active communication skills in English

Preferred Skills

  • Experience and interest in distributed systems, P2P networking, virtualization, and unikernels
  • Curiosity for blockchain/cybersecurity
  • Familiarity with Linux internals, POSIX standards, file systems, and zero-knowledge cryptography
  • C++
  • NixOS, Packer or other VM image build system experience
  • Docker experience


  • Linux on x86-64
  • Nanos unikernel
  • QEMU
  • gRPC over VSOCK
  • Rust
  • Postgresql
  • Node.js

What we offer

  • Fully remote position
  • Competitive salary
  • Significant responsibility from day 1
  • Fast growth environment with opportunities for professional development
  • Minimal amount of meetings
  • Free-ish working hours (Some overlap availability needed with EET)
  • Opportunity to work on the cutting edge of Zero Knowledge infrastructure
  • Opportunity to gain experience in the blockchain industry and development without prior industry experience

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