Web3 Jobs in London, United Kingdom

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Job Position Company Posted Location Salary Tags

B2C2

London, United Kingdom

$91k - $96k

Bitfinex

London, United Kingdom

$87k - $115k

Nethermind

London, United Kingdom

$90k - $110k

Kraken

London, United Kingdom

$95k - $107k

Keyrock

London, United Kingdom

$72k - $90k

R3

London, United Kingdom

R3

London, United Kingdom

Tether

London, United Kingdom

$90k - $90k

Tether

London, United Kingdom

$36k - $54k

HW.Tech

London, United Kingdom

$72k - $100k

Tether

London, United Kingdom

$115k - $138k

Nansen.ai

London, United Kingdom

$98k - $100k

ZILO

London, United Kingdom

$63k - $65k

ZILO

London, United Kingdom

$90k - $100k

Crypto.com

London, United Kingdom

$87k - $112k

B2C2
$91k - $96k estimated
ENG London, England, United Kingdom
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About the role:

As a Blockchain Developer on our DeFi team, you'll work directly within our DeFi team to develop and implement strategies for liquidity provision, yield optimization, and automated trading across various DeFi protocols. You'll help build robust systems that interact with multiple blockchain networks while ensuring security, efficiency, and profitability.

Duties and Responsibilities:

  • Develop and maintain software that interacts with blockchain networks.
  • Implement trading strategies across DeFi protocols (DEXs, lending platforms, yield aggregators).
  • Create tools for wallet management, transaction monitoring, and risk assessment.
  • Optimize code for efficiency, reliability, and gas/transaction fee management.
  • Collaborate with trading and research teams to implement new strategies.
  • Stay current with DeFi ecosystem developments and identify new opportunities.
  • Participate in code reviews and ensure best practices for security.

Required Skills and experience:

  • Product ownership mentality.
  • Excellent communication and interpersonal skills.
  • A problem solver with a keen eye for detail.
  • A self starter - able to take and own a problem and, by seeking assistance where needed, follow it through to resolution.
  • Minimum 5 years of professional software development experience.
  • Strong understanding of blockchain architecture and consensus mechanisms.
  • Experience interacting with blockchain networks via RPC nodes.
  • Practical knowledge of cryptocurrency wallets and key management.
  • Familiarity with major DeFi protocols (e.g., Uniswap, Aave, Compound, etc.).
  • Proficiency in Python and/or Java.
  • Experience with secure coding practices and cryptographic principles.
  • Strong analytical and problem-solving skills.
  • Ability to work independently and in a fast-paced environment.

Preferred Qualifications:

  • Experience with EVM (Ethereum Virtual Machine) and Solidity.
  • Knowledge of Solana Virtual Machine and Rust programming.
  • Previous work in cryptocurrency trading, market making, or financial services.
  • Experience with algorithmic trading systems.
  • Contributions to blockchain or DeFi open-source projects.
  • Understanding of market microstructure and trading concepts.