Blockchain Specialist

MastarRec

London, England, United Kingdom

London, England, United Kingdom

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Job Description We are seeking an experienced and forward-thinking Blockchain Specialist to join our clients growing Web3 and decentralised applications (dApps) team. You will be responsible for designing developing and implementing blockchain-based solutions including smart contracts tokens protocols and DeFi integrations with a strong emphasis on Ethereal Solidity and distributed ledger technologies.
This is a high-impact role working on cutting-edge FinTech digital identity and decentralised finance (DeFi) ecosystems.
Job Responsibilities
Design and develop smart contracts using Solidity on Ethereal and compatible blockchains
Create and deploy dApps including wallets token exchanges and DeFi protocols
Integrate blockchain technologies with existing platforms and APIs
Conduct code reviews and perform security audits on smart contracts
Stay current with Web3 developments blockchain frameworks and governance mechanisms
Work collaboratively with product teams designers and DevOps to deliver scalable solutions
Write technical documentation for architecture design patterns and deployment practices
Required Skills
Proficient in Solidity and Ethereum-based development
Experience with blockchain frameworks like Truffle Hard-hat or Brownie
Solid understanding of cryptographic principles decentralised networks and consensus algorithms
Familiarity with blockchain node infrastructure
Hands-on experience building DeFi NFT or DAO applications
Version control experience (Git / GitHub)
Required Skills Deep knowledge of digital payment ecosystems architectures and technologies Expertise in payment gateway integration tokenisation and fraud detection systems Strong understanding of ISO 20022 EMV NFC and 3D Secure protocols Familiarity with cloud-native architecture (AWS GCP or Azure) Ability to document and present technical concepts to stakeholders clearly Desired Skills Experience with real-time payment systems and blockchain-based solutions Hands-on coding experience with Java Python or TOGAF or AWS Solution Architect certification preferred Knowledge of financial data orchestration and embedded finance architectures
Desired Skills
Exposure to Polka-dot Cosmos or Solana ecosystems
Experience with Layer 2 solutions (Arbitrum Optimism)
Knowledge of zero-knowledge proofs (zk-SNARKs / zk-Rollups)
Background in FinTech or cybersecurity is advantageous
Familiarity with containerization and CI / CD pipelines
Benefits
Competitive base salary plus crypto or equity incentives
Flexible remote-first working environment
Access to global blockchain events and training
Paid certifications and online learning access
Health and wellness support
Employment Type: Full Time
Experience: years
Vacancy: 1
Yearly Salary Salary : 75000 - 110000
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London, England, United Kingdom

Sprachkenntnisse

English

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