Mid DLT Engineer

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.