Senior Cryptography Engineer at Copper

Key responsibilities:

• Implement cryptography specifications into secure, production-level code.
• Conduct cryptography literature review, select relevant papers, and produce a specification and pseudocode from the paper(s).
• Interact with auditors and academia, as well as cryptographers on the client side.
• Provide cryptography support for other Copper development teams.
• Integrate cryptography primitives into Copper’s internal MPC framework.
• Participate in the design and implementation of Copper’s next generation MPC framework.

Your experience skills and knowledge:

Essential

• 5+ years engineering experience in the implementation of cryptography primitives, preferably in MPC, Threshold cryptography, Zero Knowledge Proofs or similar
• 3+ years R&D experience specializing in MPC and Threshold cryptography, gained within academia or industry.
• Proficiency in programming with Rust, or significant programming experience using C, C++ or Golang
• Deep knowledge of common signature schemes of blockchains e.g., ECDSA, EdDSA, BLS
• Experience with containerisation and DevOps practices.

Desirable

• Masters/PhD in Cryptography/Mathematics
• Experience with HSMs, Intel SGX, iPhone secure enclaves etc.
• Experience with Scala, Kotlin or Java.
• Experience working on a cryptocurrency wallet, or a similar systems engineering problem
• Familiarity with the digital asset custody space

Our company’s tech, tools, and languages

• Software development languages: Rust, Scala, JavaScript/Typescript (Node.js)
• Storage: PostgreSQL, Mongo DB, Clickhouse
• Backend Frameworks: Spring, Akka HTTP
• Frontend Frameworks: React.js, Electron.js
• Interservice communication: RabbitMQ, gRPC, protocol buffers,
• Architecture: Service-Oriented Architecture (SOA)
• Infrastructure: AWS, Terraform, Ansible, Docker, Mesos/Marathon container orchestration, Consul, Nginx, GoCD by ThoughtWorks CI/CD, Prometheus, Kibana, Grafana

Our Benefits

• Bi-annual bonus incentive
• Employee Growth Share equity incentive
• A minimum of 33 days holiday per year including public holidays (increasing by one day per year of service)
• Private medical and dental care
• Pension with matched contribution, up to 10% of salary
• Home Working Energy Support Scheme
• Regular game nights, quiz nights, cinema nights and cultural events
• An annual Copper Summit (This year was Lisbon!)

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