Posted 6 Jan 2023, 6:51 pm

Senior Cryptography Engineer at Copper

Join the fastest growing fintech in Europe

Copper is transforming how institutional investors engage with digital assets, providing market-leading infrastructure in addition to custody, trading and prime brokerage solutions.

Our award-winning custody application leverages the genius of multi-party computation (MPC) and can be configured to support cold, warm, and hot wallet solutions.

Asset managers are further protected by our pioneering ClearLoop network, which enables off-exchange trading and settlement at tier-1 digital asset exchanges. An offering enhanced by the availability of uncollateralised lending.

Copper's secure wallet architecture is available as a standalone application, a mobile app, and a browser extension for smart contract signing. With an easy to navigate interface, market making liquidity, and a team always ready to assist you, Copper will change the way you look at crypto.

At Copper our culture is based on innovation, enthusiasm and above all else collaboration.

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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