Senior Cryptography Expert (Contract)

Remote /
Engineering /
Are you looking to be a part of one of the most influential companies in the blockchain industry and contribute to the crypto revolution that is changing the world?

At Metal, we are shaping digital money and revolutionizing the way people transact by building the decentralized financial infrastructure of the future. To date, we have launched and operate Metal Pay (digital banking and crypto wallet) and Proton SDK a distributed ledger for identity and interaction with the card and banking payments settlement layer.

We are building our own custody solution and we're looking for a contract (6-12months) Senior Cryptography Expert specialized in Rust and Multi Party Computation to help us with this!


    • Research, design and implement advanced cryptography key management system and security techniques
    • Design and implement security services and infrastructures
    • Research, design and implement techniques and tools to monitor key management system and affiliated security services
    • Research and implement techniques to improve security of existing infrastructure


    • Is able to work on contract for 6-12 months
    • Experience with ECDSA threshold based multi party computation
    • Coding experience in Rust