Senior DLT Engineer @ GFT Poland
(práce v Polsku)

Senior DLT Engineer @ GFT Poland

Polsko

• Experience developing EVM-based smart contracts using Solidity (2+ years)
• Smart contract testing with tools like hardhat, truffle, ganache
• Strong understanding of upgradeability patterns: Proxy, UUPS, Beacon.
• Proven experience with smart contract security, audits, and remediation of vulnerabilities.
• Familiarity with tokenization lifecycle and compliance in financial domains (cash, MMFs, bank deposits).
• Experience integrating with custody and wallet providers (e.g. Fireblocks, Ledger Vault, MetaMask Institutional).
• Hands-on experience with blockchain indexing tools
• Deep understanding of Ethereum infrastructure and blockchain service providers like Alchemy, Infura, Chainstack.
• Experience using Kaleido or other BaaS platforms for enterprise deployments.
• Knowledge of CBDC settlement systems and current pilots (e.g. mBridge, Ensemble, Dunbar).

Nice to have 

• Experience integrating with Identity Providers (IDPs) and enterprise IAM systems (OAuth2, SAML).
• Familiarity with Kubernetes, containerized DApp deployments, and helm-based service orchestration.
• Experience with cloud-native architectures on AWS and/or Azure.
• Proficiency in Java + Spring Boot, especially for backend integration with smart contracts.
• Knowledge or prior involvement in KYC/AML workflows, or integration with compliance providers

• Working in a highly experienced and dedicated team
• Competitive salary and extra benefit package that can be tailored to your personal needs (private medical coverage, sport & recreation package, lunch subsidy, life insurance, etc.)
• Contract of employment or B2B contract
• On-line training and certifications fit for career path
• Social events
• Access to e-learning platform
• Ergonomic and functional working space
• Hybrid work (there is a requirement to work from the office twice a week)

,[Design and develop secure and upgradable smart contracts using proxy, UUPS, and beacon patterns., Lead implementation of smart contracts using standards such as ERC-20, ERC-721, and other emerging standards for financial instruments., Collaborate with cross-functional teams to deliver tokenized representations of cash, MMF units, and deposit products on blockchain., Integrate smart contracts with key custody solutions (hot/cold wallets) including Fireblocks or equivalent., Implement and manage blockchain indexing strategies to expose on-chain data to off-chain services., Ensure security best practices in contract development and conduct code reviews and audits., Experience with services like Alchemy, Infura, or Chainstack for reliable node and event access., Deploy and manage solutions using Blockchain-as-a-Service (BaaS) platforms, ideally Kaleido., Participate in research and development for CBDC settlement mechanisms (e.g. mBridge, Project Ensemble)., Support CI/CD pipelines and DevOps processes for decentralized applications. ] Requirements: Hyperledger, Web3, Smart Contracts, Kaleido, Blockchain as a Service, Solidity, Testing, Security, Audits, Blockchain, Ethereum, Java, IAM, SAML, Kubernetes, AWS, Azure, Spring Boot Additionally: International projects, Working in a highly experienced team, On-line training and certifications, On-line foreign languages lessons, Access to e-learning platform, Friendly atmosphere, Sport subscription, Private healthcare, Lunch card, Trainings, Training budget, Free coffee, Playroom, Free beverages, Modern office, Bike parking, Shower, Gym, Free parking, In-house trainings, Free fruits.

Kategorie

backend

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