Blockchain Specialist
- Hiring from
- United Kingdom
- Work type
- Remote
- Posted
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About Us
MastarRec is a specialist recruitment and staffing agency supporting high-growth and technology-driven industries across the United Kingdom, the United States, and global markets. We partner with organizations to deliver tailored staffing solutions focused on quality, integrity, and long-term value for both clients and candidates.
Job Description
Job Description
We are seeking an experienced and forward-thinking Blockchain
Specialist to join our client’s 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 projects.
in 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
Requirements
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 Web3.js, Ethers.js, and blockchain node
infrastructure
- Hands-on
experience building DeFi, NFT, or DAO applications
- Version
control experience (Git/GitHub)
9. 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
Job 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
