51 Blockchain Developer jobs in the United Kingdom
Blockchain Developer - DeFi Platforms
S1 Sheffield, Yorkshire and the Humber
£80000 Annually
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Posted 8 days ago
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Our client, a pioneering force in the decentralized finance (DeFi) space, is seeking an exceptional Blockchain Developer to join their innovative, fully remote development team. This is a unique opportunity to contribute to the architecture, development, and deployment of cutting-edge blockchain solutions that are shaping the future of finance. As a Blockchain Developer, you will be responsible for designing, coding, testing, and deploying smart contracts on various blockchain protocols (e.g., Ethereum, Solana, Polygon) using languages such as Solidity or Rust. You will collaborate closely with product managers, UI/UX designers, and other engineers to conceptualize and build robust, secure, and scalable decentralized applications (dApps). Key responsibilities include researching and implementing new blockchain technologies, optimizing smart contract performance and gas efficiency, ensuring the security and integrity of the codebase, and actively participating in code reviews. The ideal candidate will have a deep understanding of blockchain principles, cryptography, and consensus mechanisms. Proven experience in developing and deploying smart contracts, working with Web3 libraries (e.g., Ethers.js, Web3.js), and integrating with decentralized exchanges (DEXs) and other DeFi protocols is essential. Familiarity with front-end development frameworks (e.g., React, Vue.js) and a strong understanding of security best practices in blockchain development are highly valued. This is a fully remote position, offering the ultimate flexibility to work from anywhere. Our client fosters a highly collaborative, agile, and innovative work culture, driven by a passion for pushing the boundaries of blockchain technology. If you are a talented developer with a strong track record in blockchain development and a keen interest in DeFi, we want to hear from you. Join a dynamic team building the next generation of financial systems. Location: Sheffield, South Yorkshire, UK (Remote)
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Senior Blockchain Developer - Decentralized Applications
L1 1AA Liverpool, North West
£70000 Annually
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Join a groundbreaking FinTech company at the forefront of blockchain innovation! We are seeking a highly skilled and experienced Senior Blockchain Developer to join our fully remote engineering team. This role is pivotal in designing, developing, and deploying sophisticated decentralized applications (dApps) on various blockchain protocols. You will be instrumental in shaping the future of decentralized finance and ensuring the security, scalability, and performance of our cutting-edge platforms. This is an unparalleled opportunity for a passionate blockchain architect to make a significant impact in a fast-paced, collaborative, and forward-thinking environment.
Responsibilities:
Responsibilities:
- Design, develop, test, and deploy smart contracts and decentralized applications using languages such as Solidity, Rust, or Go.
- Architect robust and scalable blockchain solutions, considering security, performance, and efficiency.
- Integrate blockchain technology with existing systems and third-party services.
- Collaborate closely with product managers, designers, and other engineers to define feature requirements and technical specifications.
- Conduct thorough code reviews and ensure adherence to best practices in smart contract development and security.
- Research and evaluate emerging blockchain technologies and protocols for potential adoption.
- Troubleshoot and debug complex issues across the blockchain infrastructure.
- Contribute to the development of internal tools and frameworks to improve developer productivity.
- Stay at the cutting edge of blockchain technology trends, including DeFi, NFTs, and Layer 2 solutions.
- Document technical designs, APIs, and processes clearly and concisely.
- Mentor junior developers and contribute to a culture of technical excellence.
- Bachelor's or Master's degree in Computer Science, Engineering, or a related field, or equivalent practical experience.
- 5+ years of professional software development experience, with at least 3 years specifically focused on blockchain development.
- Proficiency in smart contract development languages (e.g., Solidity, Vyper, Rust).
- Experience with major blockchain platforms (e.g., Ethereum, Polkadot, Solana, Cosmos).
- Strong understanding of cryptographic principles, consensus mechanisms, and distributed systems.
- Familiarity with Web3 development tools and libraries (e.g., Web3.js, Ethers.js, Truffle, Hardhat).
- Experience with performance optimization and security best practices in smart contract development.
- Knowledge of decentralized finance (DeFi) protocols and concepts.
- Excellent problem-solving, analytical, and debugging skills.
- Strong communication and collaboration abilities, particularly in a remote setting.
- Proven ability to work independently and manage multiple priorities effectively.
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Senior Blockchain Developer - Decentralized Applications
BD2 0QQ Bradford, Yorkshire and the Humber
£70000 Annually
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Posted today
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Our client is a leading innovator in the blockchain space, and we are seeking a highly skilled Senior Blockchain Developer to join our fully remote team. This role is critical in designing, developing, and deploying cutting-edge decentralized applications (dApps) on various blockchain platforms. You will be instrumental in shaping the future of decentralized technology, working on complex smart contracts, secure and scalable blockchain architectures, and user-friendly interfaces. As a remote-first company, we foster a collaborative and flexible work environment, relying on digital communication tools and a shared commitment to excellence. You'll have the opportunity to work with a talented global team, contribute to open-source projects, and push the boundaries of what's possible in the crypto and blockchain ecosystem. The ideal candidate possesses a deep understanding of blockchain fundamentals, extensive experience in smart contract development (Solidity, Rust, etc.), and a passion for building secure, efficient, and innovative dApps. We value problem-solvers, continuous learners, and individuals who thrive in a dynamic, fast-paced industry. This is a fully remote position, offering significant autonomy and the flexibility to work from anywhere within the UK.
Key Responsibilities:
Key Responsibilities:
- Design, develop, test, and deploy smart contracts and decentralized applications.
- Architect robust and scalable blockchain solutions.
- Collaborate with product managers, designers, and other engineers to define features and build products.
- Ensure the security, performance, and efficiency of blockchain implementations.
- Write comprehensive unit and integration tests for smart contracts and dApp components.
- Contribute to the evaluation and integration of new blockchain technologies and protocols.
- Participate in code reviews and provide constructive feedback to peers.
- Troubleshoot and resolve complex technical issues related to blockchain networks.
- Stay current with the latest advancements and best practices in blockchain and cryptocurrency development.
- Mentor junior developers and share knowledge within the team.
- Proven experience as a Blockchain Developer or Software Engineer with a focus on blockchain.
- Strong proficiency in smart contract languages such as Solidity, Vyper, or Rust.
- Experience with popular blockchain platforms (e.g., Ethereum, Solana, Polkadot).
- Solid understanding of cryptography, distributed ledger technology, and consensus mechanisms.
- Familiarity with front-end development technologies (React, Vue.js) for dApp integration is a plus.
- Experience with version control systems (Git) and CI/CD pipelines.
- Excellent problem-solving and analytical skills.
- Strong communication skills and ability to work effectively in a remote team environment.
- Bachelor's or Master's degree in Computer Science, Engineering, or a related field, or equivalent practical experience.
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2
Senior Blockchain Developer - Decentralized Applications
CV1 1AA Coventry, West Midlands
£80000 Annually
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Posted today
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Our client is at the forefront of blockchain innovation and is seeking an exceptionally talented Senior Blockchain Developer to design, develop, and deploy sophisticated decentralized applications (dApps). This is a fully remote, high-impact role for an individual passionate about leveraging blockchain technology to create secure, scalable, and efficient solutions. You will be responsible for the full development lifecycle, from conceptualization and architecture design to implementation, testing, and deployment. This role demands a deep understanding of smart contract development, distributed ledger technologies, and cryptographic principles.
Key responsibilities include writing secure and efficient smart contracts in languages such as Solidity, developing backend services and APIs to interact with blockchains, and designing robust dApp architectures. You will collaborate closely with product managers, designers, and other engineers to translate complex requirements into functional blockchain solutions. Experience with various blockchain platforms (e.g., Ethereum, Solana, Polygon) and knowledge of their respective ecosystems is crucial. You will also be involved in security audits, performance optimization, and the continuous improvement of existing blockchain protocols. Staying abreast of the latest advancements in blockchain technology and contributing to the broader crypto community through research and knowledge sharing is highly encouraged.
The ideal candidate will possess a Bachelor's or Master's degree in Computer Science, Engineering, or a related field, with a minimum of 5 years of professional software development experience, including at least 3 years focused specifically on blockchain development. Proven experience in developing and deploying production-ready dApps is mandatory. Expertise in Solidity, JavaScript/TypeScript, and familiarity with Web3 libraries (e.g., ethers.js, web3.js) are essential. A strong understanding of security best practices for smart contracts and dApps is paramount. Excellent problem-solving skills, a passion for decentralization, and the ability to work independently in a remote setting are critical. This role is located in Coventry, West Midlands, UK, however, it is a fully remote position, allowing you to work from anywhere within the UK. This is a rare opportunity to shape the future of decentralized technology.
Key responsibilities include writing secure and efficient smart contracts in languages such as Solidity, developing backend services and APIs to interact with blockchains, and designing robust dApp architectures. You will collaborate closely with product managers, designers, and other engineers to translate complex requirements into functional blockchain solutions. Experience with various blockchain platforms (e.g., Ethereum, Solana, Polygon) and knowledge of their respective ecosystems is crucial. You will also be involved in security audits, performance optimization, and the continuous improvement of existing blockchain protocols. Staying abreast of the latest advancements in blockchain technology and contributing to the broader crypto community through research and knowledge sharing is highly encouraged.
The ideal candidate will possess a Bachelor's or Master's degree in Computer Science, Engineering, or a related field, with a minimum of 5 years of professional software development experience, including at least 3 years focused specifically on blockchain development. Proven experience in developing and deploying production-ready dApps is mandatory. Expertise in Solidity, JavaScript/TypeScript, and familiarity with Web3 libraries (e.g., ethers.js, web3.js) are essential. A strong understanding of security best practices for smart contracts and dApps is paramount. Excellent problem-solving skills, a passion for decentralization, and the ability to work independently in a remote setting are critical. This role is located in Coventry, West Midlands, UK, however, it is a fully remote position, allowing you to work from anywhere within the UK. This is a rare opportunity to shape the future of decentralized technology.
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3
Lead Blockchain Developer - Decentralized Applications
WV1 1AA Wolverhampton, West Midlands
£70000 Annually
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Job Description
Our client is seeking a highly skilled and experienced Lead Blockchain Developer to join their innovative team in Wolverhampton, West Midlands, UK . This is an exceptional opportunity to work on cutting-edge decentralized applications (dApps) and contribute to the future of blockchain technology. You will be responsible for designing, developing, and deploying smart contracts and dApps on various blockchain platforms. This role involves leading a small team of developers, mentoring junior members, and ensuring the quality and security of our blockchain solutions. You will collaborate closely with product managers, designers, and other engineering teams to translate business requirements into robust technical solutions. A strong understanding of blockchain architecture, consensus mechanisms, and security best practices is essential. We are looking for a proactive individual who can drive technical excellence and contribute to our agile development process. The ideal candidate will have a proven track record of delivering complex blockchain projects, experience with Solidity and other smart contract languages, and familiarity with various blockchain ecosystems such as Ethereum, Polygon, or Binance Smart Chain. You will also be involved in researching and evaluating new blockchain technologies and protocols to ensure our solutions remain at the forefront of the industry. This hybrid role offers a balance between in-office collaboration and remote flexibility, fostering a dynamic and productive work environment. Responsibilities include:
- Designing, developing, and maintaining scalable smart contracts and decentralized applications.
- Leading and mentoring a team of blockchain developers.
- Collaborating with cross-functional teams to define, design, and ship new features.
- Ensuring the security, performance, and reliability of blockchain solutions.
- Conducting code reviews and providing constructive feedback.
- Staying up-to-date with the latest blockchain trends and technologies.
- Troubleshooting and debugging issues in production environments.
- Contributing to architectural decisions and technical strategy.
- Writing comprehensive technical documentation.
- Participating in agile development ceremonies.
- Bachelor's or Master's degree in Computer Science, Engineering, or a related field.
- 5+ years of professional software development experience, with at least 3 years focused on blockchain development.
- Proficiency in Solidity, Rust, or other smart contract languages.
- Experience with popular blockchain frameworks and tools (e.g., Hardhat, Truffle, Web3.js, Ethers.js).
- Deep understanding of blockchain concepts, cryptography, and distributed systems.
- Experience with consensus algorithms and P2P networking.
- Familiarity with front-end technologies (React, Angular, Vue.js) is a plus.
- Excellent problem-solving and analytical skills.
- Strong communication and interpersonal abilities.
- Experience in leading development teams is highly desirable.
- Understanding of tokenomics and DeFi principles is a plus.
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4
Blockchain Developer - Smart Contracts
PO1 1AB Portsmouth, South East
£75000 Annually
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Posted today
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Our client, a pioneering firm in the blockchain and cryptocurrency space, is seeking an experienced Blockchain Developer with a specialization in smart contract development. This hybrid role, based in Portsmouth, Hampshire, UK , offers a dynamic work environment that blends in-office collaboration with remote flexibility. You will be at the forefront of designing, developing, and deploying secure and efficient smart contracts on various blockchain platforms, including Ethereum and potentially others. Your responsibilities will encompass the entire smart contract lifecycle, from concept and design to testing, auditing, and ongoing maintenance. You will work closely with product managers and other developers to translate business requirements into robust, scalable blockchain solutions. Experience with Solidity programming language is essential, along with a deep understanding of blockchain architecture, consensus mechanisms, and decentralised applications (dApps). Familiarity with development frameworks like Truffle, Hardhat, or similar is highly desirable. The ideal candidate will have a Bachelor's or Master's degree in Computer Science, Engineering, or a related field, or equivalent demonstrable experience. A strong portfolio showcasing successful smart contract implementations and contributions to open-source blockchain projects will be a significant asset. Excellent problem-solving skills, a meticulous attention to detail, and a commitment to security best practices are paramount. You should be adept at working in an agile development environment and possess strong communication skills to effectively collaborate with a distributed team. This is an exceptional opportunity to shape the future of decentralised technologies and contribute to innovative projects within a rapidly evolving industry.
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5
Blockchain Developer - Smart Contracts
AB10 1QR Aberdeen, Scotland
£75000 Annually
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Posted today
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Job Description
A cutting-edge technology firm at the forefront of decentralized solutions is seeking a talented Blockchain Developer specializing in Smart Contracts. This role is based in Aberdeen, Scotland, UK , offering a hybrid working model that balances collaborative office time with remote flexibility. You will be responsible for designing, developing, testing, and deploying secure and efficient smart contracts on various blockchain platforms. Your expertise will be crucial in building the foundation for innovative decentralized applications and ensuring the integrity and security of our blockchain-based products.
Key Responsibilities:
Qualifications:
This role provides a fantastic opportunity to work on exciting blockchain projects and contribute to the future of decentralized technology. The hybrid arrangement supports a healthy work-life balance in Aberdeen, Scotland, UK .
Key Responsibilities:
- 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.
Qualifications:
- 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.
This role provides a fantastic opportunity to work on exciting blockchain projects and contribute to the future of decentralized technology. The hybrid arrangement supports a healthy work-life balance in Aberdeen, Scotland, UK .
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6
Blockchain Developer
LS1 1UR Leeds, Yorkshire and the Humber
£60000 Annually
WhatJobs
Posted today
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Job Description
Our client is a rapidly growing startup in the Crypto & Blockchain space and is looking for a talented Blockchain Developer to join their team in Leeds, West Yorkshire, UK . This role offers an exciting opportunity to work on innovative decentralised applications (dApps) and contribute to the development of cutting-edge blockchain solutions. The Blockchain Developer will be responsible for designing, developing, and implementing smart contracts, blockchain protocols, and decentralised architectures. You will collaborate closely with product managers, designers, and other engineers to translate complex requirements into robust and scalable blockchain systems. Key responsibilities include writing secure and efficient code, conducting thorough testing, and ensuring the integrity and performance of blockchain networks. The ideal candidate will have a strong understanding of blockchain technologies, cryptocurrencies, and decentralised finance (DeFi). Proficiency in programming languages commonly used in blockchain development, such as Solidity, Rust, or Go, is essential. Experience with various blockchain platforms (e.g., Ethereum, Binance Smart Chain, Polygon) and familiarity with cryptographic principles are highly desirable. Excellent problem-solving skills, a passion for innovation, and the ability to adapt to the evolving blockchain landscape are crucial. This position operates on a hybrid model, requiring a balance of in-office collaboration and remote flexibility. You will be part of a forward-thinking team shaping the future of digital assets and decentralised technologies.
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7
Senior Blockchain Developer - Smart Contracts
WV1 1DQ Wolverhampton, West Midlands
£70000 Annually
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Posted today
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Job Description
Our client is looking for a highly skilled Senior Blockchain Developer to join our innovative team focused on the cutting edge of Crypto & Blockchain technology. This role is based in **Wolverhampton, West Midlands, UK**, but is fully remote, offering flexibility to work from anywhere. You will be instrumental in designing, developing, and deploying secure and efficient smart contracts, contributing to the architecture of decentralized applications (dApps), and ensuring the scalability and integrity of our blockchain solutions.
Responsibilities:
Qualifications:
This is a fantastic opportunity to work on groundbreaking projects in the blockchain space, with a competitive salary and benefits package. Be a part of shaping the future of decentralized finance and technology.
Responsibilities:
- 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.
Qualifications:
- 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.
This is a fantastic opportunity to work on groundbreaking projects in the blockchain space, with a competitive salary and benefits package. Be a part of shaping the future of decentralized finance and technology.
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8
Remote Blockchain Developer - Smart Contracts
M1 1AN Manchester, North West
£70 Hourly
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Our client is seeking a talented and experienced Remote Blockchain Developer specializing in Smart Contracts to join their innovative technology team. This is a fully remote contract position, offering significant flexibility. You will be instrumental in designing, developing, testing, and deploying secure and efficient smart contracts on various blockchain platforms. The ideal candidate will have a strong understanding of blockchain architecture, cryptography, and decentralized application (dApp) development. Proficiency in smart contract programming languages such as Solidity is essential, along with experience in developing on platforms like Ethereum, Binance Smart Chain, or Polygon. Responsibilities include collaborating with product managers and other developers to define smart contract requirements, writing high-quality, auditable code, and implementing robust testing strategies to ensure security and functionality. You will also be involved in integrating smart contracts with front-end applications and contributing to the overall architecture of decentralized solutions. A keen eye for security vulnerabilities and a commitment to best practices in blockchain development are crucial. This is an exciting opportunity to work on cutting-edge blockchain projects and shape the future of decentralized technologies.
Key Responsibilities:
Key Responsibilities:
- 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.
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