Cryptography Expert | Remote
Full-time - Remote
About employer and position:
Join a dynamic and innovative global company, with a team of over 35 talented professionals working remotely around the world. We are a Layer 1 blockchain, pioneering the future of Web3 and aiming to onboard the next billion users. With tens of millions of users worldwide already benefiting from our technology, this is a unique opportunity to contribute to a high-impact product and be a key player in shaping the future.

We are seeking a highly skilled and detail-oriented Cryptography Expert to develop and maintain custom cryptographic algorithms for our blockchain network. If you are passionate about cryptography, thrive in a collaborative environment, and are excited to drive the evolution of a cutting-edge, high-impact product, we’d love to hear from you!
Our approach:
We are looking for individuals who embody a startup mindset—creative problem solvers who thrive in fast-paced environments. Our philosophy emphasizes efficiency and innovation, where the focus is on achieving in one day what might take others two or more. As a result, we value developers who are both resourceful and driven, capable of delivering high-quality results quickly without compromising on attention to detail.

At times, we may require extra hours to meet deadlines, but we always compensate those hours accordingly. In addition to competitive salaries, we also offer token allocations to team members based on their performance, giving you an opportunity to share in the success and growth of the company.
Requirements:
  • Deep understanding of zero-knowledge proofs
  • Deep knowledge of Merkle Trees
  • Great attention to detail
  • Being self-sufficient
  • Experience in designing and implementing custom cryptographic algorithms
  • Proven experience in integrating cryptographic algorithms (e.g., RSA, ECC, AES, SHA-256) and protocols (e.g., TLS, SSL, PKI)
  • Experience in designing or implementing cryptographic solutions, preferably within a blockchain or distributed ledger technology environment
  • Extensive experience in securing software infrastructures end-to-end
  • Deep understanding of Double-Ratchet and MTProto protocols
Nice to have:
  • Ph.D. in Cryptography
  • Certified Blockchain Security Expert (CBSE)
  • Deep understanding of the blockchain(web3) ecosystem
  • Experience with TON network
  • Experience with Nostr
  • Experience with Golang, C/C++ or Rust
  • Experience in developing and releasing blockchain software
  • Experience in security smart contracts
  • Deep understanding of quantum-resistant cryptographic algorithms
Recruiting process:
  1. Introduction call with COO (30-45 min)
  2. Technical interview with CTO (1,5 hr)
What we offer:
  • Fully remote work environment with a competitive salary in USD.
  • 20 paid vacation days per year.
  • Token allocation based on individual performance, giving you the opportunity to share in the growth of the company.
  • A nimble and dynamic startup culture, working alongside high-level experts in the blockchain and tech industries.
  • Exposure to cutting-edge blockchain technologies and the opportunity to make a real impact in the Web3 space.
To apply please send your CV to recruitment@picstar.co
© 2024 Picstar, LLC. All Rights Reserved.
Contacts
  • Email: recruitment@picstar.co
  • 1A, Sportyvna Square, Tower B, Floor 11, Kyiv, Ukraine