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Research Cryptographer & Mathematician
Full-time/Company: Heliax
Heliax is a remote-first company that researches, develops, deploys, and maintains open-source protocols and mechanisms to serve everyday needs. They build vertically integrated open-source products and networks such as Anoma and Namada, focusing on privacy, information flow control, and scalable distributed systems.
Applicants must be based in Europe (including the UK) and willing to travel to Berlin for initial onboarding.
Responsibilities:
- Design new cryptographic protocols (e.g. shielded state sync) to achieve specified information flow, security, and performance properties.
- Evaluate and analyze existing cryptographic protocols and proof systems (e.g. zkSNARKs/zkSTARKs, Halo2, ProtoStar, Risc0 zkVM) for security, expressivity, and performance.
- Update, alter, reimplement, and combine existing cryptographic protocols for proofs-of-concept and production use-cases.
- Produce comprehensive technical specifications and collaborate with engineers on implementations.
- Implement, review, and test cryptographic operations and protocols, primarily in Rust.
Requirements:
- Mathematical and/or cryptographic background in relevant subfields (complexity theory, abstract algebra, cryptographic protocol design).
- Expertise in constructive protocol design and analysis of distributed cryptographic protocols.
- Demonstrable protocol design work (research paper, experimental project, past work, or detailed blog posts).
- Experience implementing or evaluating cryptographic implementations (Rust experience preferred).
Nice to have:
- Published papers in mathematics, theoretical computer science, and/or cryptography.
- Experience with distributed systems and/or operating systems architecture/design.
- Experience with Zerocash/Zexe/VeriZexe and related architectures.
- Academic qualifications in a relevant field (cryptography or mathematics).
Stack:
Rust, zkSNARKs, zkSTARKs, Halo2, ProtoStar, Risc0 zkVM, Arkworks, elliptic curves, hash functions, threshold encryption, distributed key generation
Benefits:
- Relocation assistance to Germany (visa support).
- High degree of independence in working conditions and task prioritization.
- Opportunity to work closely with a small cross-disciplinary team on theoretical and applied problems.
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