16 Senior Blockchain Developer Decentralized Finance jobs in the United Kingdom

• Design, develop, test, and deploy secure and efficient smart contracts (primarily Solidity) for DeFi applications.
• Build and maintain decentralized applications (dApps) and related infrastructure.
• Integrate smart contracts with frontend UIs and backend services.
• Conduct thorough security audits and code reviews to ensure application integrity.
• Research and implement new blockchain technologies and protocols.
• Collaborate with cross-functional teams in a fully remote setting.
• Optimise smart contract performance and gas efficiency.
• Troubleshoot and resolve technical issues in production environments.
• Contribute to technical documentation and knowledge sharing within the team.
• Stay ahead of industry trends and emerging best practices in blockchain development.

• Proven experience as a Blockchain Developer, with a focus on smart contract development.
• Strong proficiency in Solidity and experience with EVM-compatible blockchains (Ethereum, BSC, Polygon, etc.).
• Familiarity with blockchain development frameworks and tools (e.g., Hardhat, Truffle, Web3.js).
• Understanding of cryptographic principles and security best practices for smart contracts.
• Experience with full-stack development, including frontend (React, Vue) and backend technologies, is a plus.
• Knowledge of DeFi protocols, tokenomics, and the broader cryptocurrency landscape.
• Excellent problem-solving, analytical, and debugging skills.
• Ability to work independently and collaboratively in a remote, asynchronous environment.
• Strong communication skills and a proactive attitude.
• Bachelor's or Master's degree in Computer Science or a related field, or equivalent practical experience.

Role: Financial Controller – PE backed Technology Company

Location: Central London (hybrid working)

The role: This role is working for a very exciting and fast-growing PE backed Technology business with a brilliant brand in the sector and exciting strategy for the future. They are hiring for an exciting Financial Controller opportunity reporting directly to the Director of Finance. You will be a core member of the wider finance team. This role will take ownership of the group’s internal management reporting, as well as playing a lead role in the group budgeting and forecasting process. This individual will have regular interaction with the board and will also be tasked with defining and improving processes across the business. This is a great opportunity looking to fast track their career and with opportunity to progress.

Role and Responsibilities:

• Producing management accounts and all supporting reconciliations on time for Internal and group review and explaining variations
• Producing regular updates of financial plan and annual budget, and all other group or internal weekly planning and reporting
• All working capital management, credit control and treasury management
• Supporting group annual audit process and liaising with advisors on all statutory accounts and returns and all tax compliance
• Supporting management team and group in any aspect of financial planning
• Participating in delivery of all group projects

Candidate Requirements:

• ACA/ACCA/CIMA qualified professional with significant post qualified experience.
• Proven operational accounting experience from previous roles, ideally within a scaling organisation
• Thorough understanding of what best in class systems, processes and controls look like
• A focus on quality improvement and automation, a desire for continual improvement
• Experience in a scale-up or start-up SaaS, Technology, or a similar industry in a high growth environment

Company Information

Wayman Finance is a specialist recruitment agency with over 20 years’ experience within the Finance field. We’ve worked hard to establish our reputation with our clients as one of the most reliable Finance and Accounting agencies in London through our core values of honesty and customer excellence.

Application

To be considered for this Financial Controller position please forward a CV as soon as possible

• Design, develop, and implement smart contracts using languages such as Solidity, Vyper, or Rust.
• Develop and maintain decentralized applications (dApps) and blockchain protocols.
• Write secure, efficient, and well-documented smart contract code.
• Conduct thorough testing, including unit, integration, and security testing, of smart contracts.
• Identify and fix bugs and vulnerabilities in smart contract code.
• Collaborate with front-end developers and product managers to integrate smart contracts into dApps.
• Stay up-to-date with the latest developments in blockchain technology, smart contract security, and relevant programming languages.
• Participate in code reviews to ensure code quality and security standards are met.
• Contribute to the architectural design of blockchain solutions.
• Research and evaluate new blockchain platforms and technologies.
• Troubleshoot and resolve issues related to smart contract execution and blockchain networks.

• Proven experience in blockchain development, with a focus on smart contract creation.
• Proficiency in smart contract programming languages like Solidity or Vyper.
• Experience with at least one major blockchain platform (e.g., Ethereum, Binance Smart Chain, Polygon).
• Understanding of cryptographic principles and blockchain security best practices.
• Familiarity with decentralized application (dApp) development frameworks and tools (e.g., Truffle, Hardhat).
• Knowledge of web3.js or ethers.js for interacting with the blockchain.
• Strong understanding of data structures, algorithms, and computer science fundamentals.
• Excellent problem-solving and debugging skills.
• Ability to work effectively in a team environment and communicate technical concepts clearly.
• Experience with version control systems (e.g., Git).
• Bachelor's degree in Computer Science, Engineering, or a related field, or equivalent practical experience.

• Design, develop, test, and deploy secure smart contracts on various blockchain platforms (e.g., Ethereum, Binance Smart Chain, Polygon).
• Write high-quality, audited, and optimized smart contract code in languages like Solidity.
• Contribute to the architectural design of new dApps and blockchain-based systems.
• Integrate smart contracts with front-end interfaces and back-end services.
• Collaborate with product managers, designers, and other engineers to define and implement blockchain features.
• Research and evaluate new blockchain technologies, protocols, and tools.
• Identify and address security vulnerabilities and performance bottlenecks in smart contracts and blockchain infrastructure.
• Write comprehensive technical documentation for smart contracts and dApps.
• Participate in code reviews and mentor junior developers.
• Stay up-to-date with the latest trends and advancements in the blockchain space.

• Bachelor's or Master's degree in Computer Science, Engineering, or a related field, or equivalent practical experience.
• Proven experience in blockchain development, with a strong focus on smart contract creation and deployment.
• Proficiency in Solidity and experience with blockchain development frameworks (e.g., Hardhat, Truffle).
• Solid understanding of blockchain principles, cryptography, and consensus mechanisms.
• Experience with token standards (e.g., ERC-20, ERC-721) and DeFi protocols.
• Familiarity with decentralized application architecture and development.
• Experience with testing frameworks and methodologies for smart contracts.
• Strong problem-solving skills and attention to detail.
• Excellent communication and teamwork abilities.
• Passion for blockchain technology and decentralized systems.

• Design, develop, test, and deploy secure and efficient smart contracts.
• Write clean, maintainable, and auditable smart contract code (e.g., Solidity).
• Implement security best practices and conduct vulnerability assessments for smart contracts.
• Integrate smart contracts with dApps and other blockchain protocols.
• Collaborate with front-end developers to ensure seamless integration.
• Participate in code reviews and provide constructive feedback.
• Stay up-to-date with the latest advancements in blockchain technology and smart contract development.
• Troubleshoot and resolve issues related to smart contract deployment and execution.
• Contribute to technical documentation and knowledge sharing within the team.
• Research and evaluate new blockchain platforms and tools.

• Proven experience as a Blockchain Developer with a strong focus on smart contract development.
• Expertise in Solidity and experience with other smart contract languages (e.g., Vyper) is a plus.
• Familiarity with blockchain platforms like Ethereum, BSC, Polygon, Solana, etc.
• Understanding of blockchain fundamentals, consensus mechanisms, and cryptography.
• Experience with development environments and tools (e.g., Hardhat, Truffle, Ganache).
• Knowledge of dApp architecture and front-end integration.
• Experience with version control systems (e.g., Git).
• Strong analytical and problem-solving skills.
• Excellent communication and collaboration skills.
• Ability to work independently and manage project timelines effectively in a remote setting.

• Design, develop, test, and deploy secure and efficient smart contracts on various blockchain networks (e.g., Ethereum, Polygon, Solana).
• Develop decentralized applications (dApps) that interact with smart contracts and provide user-friendly interfaces.
• Write high-quality, well-documented, and thoroughly tested code.
• Conduct code reviews and provide constructive feedback to peers.
• Stay current with the latest advancements in blockchain technology, smart contract development, and security best practices.
• Collaborate with product managers, designers, and other engineers to define and implement new features.
• Identify and address potential security vulnerabilities in smart contracts and dApps.
• Troubleshoot and debug issues related to blockchain protocols and smart contract execution.
• Contribute to the architectural design of blockchain solutions.
• Participate in whitepaper research and contribute to technical documentation.
• Engage with the broader blockchain community and contribute to open-source projects where applicable.

• Bachelor's or Master's degree in Computer Science, Engineering, or a related field.
• Minimum of 4 years of professional software development experience, with at least 2 years focused on blockchain and smart contract development.
• Proficiency in Solidity, Rust, or Go, specifically for smart contract programming.
• Experience with blockchain platforms such as Ethereum, Polygon, Binance Smart Chain, or similar.
• Solid understanding of blockchain architecture, consensus mechanisms, and cryptographic principles.
• Experience with relevant tools and frameworks (e.g., Truffle, Hardhat, Ganache, Web3.js, Ethers.js).
• Familiarity with decentralized finance (DeFi) protocols and concepts.
• Strong understanding of security best practices for smart contracts.
• Excellent problem-solving and analytical skills.
• Ability to work effectively in a hybrid team environment.
• Strong communication and collaboration skills.

• Design, develop, test, and deploy secure, efficient, and scalable smart contracts on blockchain platforms (e.g., Ethereum, Solana, Polygon).
• Write high-quality, well-documented, and audited smart contract code.
• Collaborate with product managers, designers, and other engineers to define and implement new features for dApps and blockchain-based products.
• Develop and maintain backend services and APIs that interact with smart contracts.
• Conduct security audits and code reviews for smart contracts to identify and mitigate vulnerabilities.
• Stay current with the latest advancements in blockchain technology, cryptographic principles, and smart contract best practices.
• Troubleshoot and resolve issues related to smart contract deployment and execution.
• Contribute to architectural discussions and strategic planning for the blockchain ecosystem.
• Mentor junior developers and share knowledge across the engineering team.

• Bachelor's or Master's degree in Computer Science, Engineering, or a related field, or equivalent practical experience.
• Minimum of 5 years of software development experience, with at least 3 years focused on blockchain and smart contract development.
• Proficiency in smart contract programming languages such as Solidity, Rust, or Vyper.
• Strong understanding of blockchain fundamentals, including consensus mechanisms, cryptography, and distributed systems.
• Experience with blockchain development frameworks and tools (e.g., Truffle, Hardhat, Ganache).
• Familiarity with token standards (e.g., ERC-20, ERC-721) and DeFi protocols.
• Experience with secure coding practices and auditing smart contracts.
• Proficiency in a backend programming language (e.g., Node.js, Go, Python) is a plus.
• Excellent problem-solving, analytical, and debugging skills.
• Strong communication and collaboration skills, essential for a remote team environment.