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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, building vertically integrated open-source products and networks such as Anoma and Namada.
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 meet specified information-flow, security, and performance goals.
- Evaluate and analyze existing proof systems (zkSNARKs, zkSTARKs) and related constructions for security and performance.
- Update, reimplement, and combine 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:
- Strong mathematical and/or cryptographic background (complexity theory, abstract algebra, protocol design).
- Demonstrated expertise in constructive protocol design and analysis of distributed cryptographic protocols.
- Experience implementing or evaluating cryptographic systems (experience with Rust is expected/preferred).
Nice to have:
- Published papers in mathematics, theoretical CS, or cryptography.
- Experience with distributed systems or OS architecture.
- Familiarity with Zerocash/Zexe/VeriZexe families and related architectures.
- Academic qualifications in cryptography or mathematics.
- Enjoyment of travel and outdoor problem-solving (e.g., hiking).
Stack:
Rust, zkSNARKs, zkSTARKs, Halo2, ProtoStar, Risc0 zkVM, Arkworks, elliptic curves, hash functions
Benefits:
- Remote-first company culture with a high degree of independence and flexible task prioritization.
- Relocation support to Germany (including visa assistance) for candidates based in Europe.
- Opportunity to work on open-source protocols, research, and cross-disciplinary problems in cryptography and systems design.
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