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Mid DLT Engineer

Mid DLT Engineer

CRESTT sp. z o.o.Warszawa, mazowieckie, Polska
27 days ago
Job description

Mid DLT Engineer

Miejsce pracy : Warszawa

Technologies we use

Expected

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

Optional

  • Kubernetes
  • Helm
  • Microsoft Azure
  • Java
  • Spring Boot
  • OAuth2
  • SAML
  • CI / CD
  • About the 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 you're 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
  • Ledger Vault
  • Ethereum
  • Kaleido
  • Chainstack
  • Infura
  • Java / Spring
  • Kubernetes
  • CBDC R&D
  • Your 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)
  • Our requirements

  • 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
  • Optional

  • OAuth2 / SAML integration experience
  • dApp deployment on Kubernetes / Helm
  • Experience with cloud-native systems (AWS, Azure)
  • Java / Spring Boot for backend-chain communication
  • Knowledge of compliance, AML / KYC tooling
  • What we offer

  • 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
  • If you're excited by the intersection of Web3, finance, and infrastructure—let’s talk.

    Apply now and let’s build future-proof financial rails together.

    Wyrażam zgodę na przetwarzanie przez Administratora, którym jest CRESTT Sp. z o.o. z siedzibą w Warszawie, danych osobowych zawartych w mojej ofercie pracy (formularzu aplikacyjnym i CV) dla potrzeb niezbędnych do realizacji procesu rekrutacji i selekcji pracowników, w tym również w celu kontaktu ze mną za pośrednictwem telefonu i maila. Pełną informację odnośnie przetwarzania Twoich danych osobowych znajdziesz tutaj.

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    Engineer • Warszawa, mazowieckie, Polska