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Mid DLT Engineer
  • Warsaw
Mid DLT Engineer
Warszawa, Warsaw, Masovian Voivodeship, Polska
CRESTT sp. z o.o.
15. 6. 2025
Informacje o stanowisku

technologies-expected :


  • Solidity
  • Hardhat
  • Truffle
  • Ganache
  • UUPS
  • Blockchain
  • Beacon
  • Proxy
  • Fireblocks
  • Ledger Vault
  • MetaMask Institutional
  • Alchemy
  • Infura
  • Chainstack
  • Kaleido
  • CBDC

technologies-optional :


  • Kubernetes
  • Helm
  • AWS
  • Microsoft Azure
  • Java
  • Spring Boot
  • OAuth2
  • SAML
  • IDP
  • AML
  • KYC
  • CI/CD

about-project :


  • Hi! We’re assembling a team of engineers to drive the design and development of a blockchain-based platform for tokenized deposits (cash, MMFs, deposit products). If youre confident in your smart contract engineering skills, we want to hear from you.
  • ? Industry: Tokenized Financial Products / dApps / Regulated Blockchain
  • ? Tech Stack:
  • Solidity Hardhat Truffle Ganache Fireblocks MMI Ledger Vault Ethereum Kaleido Chainstack Infura AWS Java/Spring Kubernetes CBDC R&D

responsibilities :


  • Build secure, modular smart contracts (Proxy/UUPS/Beacon)
  • Implement token standards (e.g., ERC-20/721) within compliant frameworks
  • Connect dApps with custody/wallet infra (e.g., Fireblocks, Ledger Vault, MMI)
  • Support data indexing for off-chain services
  • Participate in design, audit, and deployment flows (via tools like Kaleido, Alchemy)

requirements-expected :


  • Pro experience with Solidity and EVM ecosystems
  • Familiar with Hardhat/Truffle/Ganache
  • Smart contract upgradeability: Proxy / UUPS / Beacon patterns
  • Hands-on with blockchain infra: Infura, Alchemy, Chainstack
  • Familiar with custody/wallet systems (Fireblocks, Ledger Vault, MetaMask Institutional)
  • Practical exposure to tokenized financial workflows in a regulated setting
  • Security-conscious approach to smart contract dev

offered :


  • Work on real-world applications of tokenization
  • Influence the future of programmable finance
  • Remote flexibility (from Poland)
  • Flat structure, fast decision-making
  • Exposure to enterprise blockchain and CBDC initiatives

  • Praca Warszawa
  • Warszawa - Oferty pracy w okolicznych lokalizacjach


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