51 Blockchain Developer jobs in the United Kingdom
Blockchain Developer - Decentralized Applications
CB2 1GA Cambridge, Eastern
£70000 Annually
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Join a pioneering firm at the forefront of blockchain technology as a Blockchain Developer, based remotely with a hub in Cambridge, Cambridgeshire, UK . We are seeking a talented and passionate individual to design, develop, and deploy cutting-edge decentralized applications (dApps) on various blockchain platforms. This role demands a deep understanding of smart contract development, cryptography, and distributed ledger technologies. You will be responsible for writing secure, efficient, and scalable smart contracts, developing robust backend infrastructure for dApps, and integrating with frontend user interfaces. Your work will involve collaborating with product managers, designers, and other developers to bring innovative blockchain solutions to life. We encourage contributions to open-source blockchain projects and expect a proactive approach to staying updated with the rapidly evolving blockchain ecosystem. The ideal candidate will have a strong software engineering background with specific expertise in blockchain development languages and frameworks. This is a remote-first position, offering flexibility and the opportunity to work with a globally distributed team. We value creativity, technical excellence, and a commitment to building secure and impactful decentralized systems. You will play a crucial role in shaping the future of decentralized technologies.
Key Responsibilities:
Required Qualifications:
Key Responsibilities:
- Design, develop, and implement smart contracts using languages like Solidity.
- Build and maintain robust backend infrastructure for decentralized applications.
- Integrate smart contracts with user-facing applications and APIs.
- Conduct thorough testing and auditing of smart contracts and dApp components to ensure security and functionality.
- Optimize application performance and scalability.
- Stay current with the latest blockchain technologies, protocols, and industry best practices.
- Collaborate with cross-functional teams to define, design, and ship new features.
- Troubleshoot and resolve technical issues in production environments.
- Contribute to technical documentation and knowledge sharing within the team.
Required Qualifications:
- Proven experience as a Blockchain Developer or Smart Contract Engineer.
- Proficiency in programming languages such as Solidity, Rust, Go, or Python.
- Experience with blockchain platforms like Ethereum, Solana, Polkadot, etc.
- Strong understanding of distributed ledger technology, cryptography, and consensus mechanisms.
- Familiarity with decentralized application architecture and development tools (e.g., Hardhat, Truffle).
- Experience with web development frameworks (e.g., React, Vue.js) for dApp frontends is a plus.
- Excellent problem-solving and analytical skills.
- Ability to work independently and collaboratively in a remote setting.
- Bachelor's or Master's degree in Computer Science, Engineering, or a related field, or equivalent practical experience.
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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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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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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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Lead Blockchain Developer - Decentralized Applications
WV1 1AA Wolverhampton, West Midlands
£70000 Annually
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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
LS1 1UR Leeds, Yorkshire and the Humber
£60000 Annually
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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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5
Blockchain Developer - Smart Contracts
PO1 1AB Portsmouth, South East
£75000 Annually
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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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Blockchain Developer - Smart Contracts
AB10 1QR Aberdeen, Scotland
£75000 Annually
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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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7
Lead Blockchain Developer
OX1 3PA Oxford, South East
£80000 Annually
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Our client is a cutting-edge cryptocurrency and blockchain solutions provider looking for a talented and visionary Lead Blockchain Developer to join their team in Oxford, Oxfordshire, UK . This role is critical in shaping the future of our decentralized technologies and requires a deep understanding of blockchain architecture, smart contract development, and distributed ledger technologies. You will be responsible for designing, developing, and deploying robust and scalable blockchain solutions that address complex business challenges.
As the Lead Blockchain Developer, your responsibilities will include:
The ideal candidate will have a strong portfolio of blockchain projects and a demonstrable passion for decentralized technologies. A Master's or PhD in Computer Science, Cryptography, or a related field is preferred. Proven experience in developing and deploying smart contracts on major blockchain platforms (e.g., Ethereum, Binance Smart Chain, Polygon) is essential. Excellent programming skills in languages such as Go, Rust, C++, or JavaScript, along with deep knowledge of cryptographic principles, are required. You must be a strategic thinker with exceptional problem-solving abilities and the capacity to lead and inspire a technical team. Experience with consensus algorithms, P2P networking, and DApp development is highly valued. This is an exceptional opportunity to be at the forefront of blockchain innovation.
As the Lead Blockchain Developer, your responsibilities will include:
- Architecting and developing secure and efficient blockchain protocols and applications.
- Designing and implementing smart contracts using languages like Solidity, Vyper, or similar.
- Leading a team of blockchain engineers, providing technical guidance and mentorship.
- Conducting code reviews and ensuring the quality and security of blockchain implementations.
- Researching and staying abreast of the latest advancements in blockchain technology and cryptography.
- Collaborating with product managers and stakeholders to define project requirements and roadmaps.
- Integrating blockchain solutions with existing systems and third-party applications.
- Troubleshooting and debugging complex blockchain issues.
- Contributing to the overall technical strategy and innovation within the blockchain space.
- Ensuring adherence to best practices in decentralized application development.
The ideal candidate will have a strong portfolio of blockchain projects and a demonstrable passion for decentralized technologies. A Master's or PhD in Computer Science, Cryptography, or a related field is preferred. Proven experience in developing and deploying smart contracts on major blockchain platforms (e.g., Ethereum, Binance Smart Chain, Polygon) is essential. Excellent programming skills in languages such as Go, Rust, C++, or JavaScript, along with deep knowledge of cryptographic principles, are required. You must be a strategic thinker with exceptional problem-solving abilities and the capacity to lead and inspire a technical team. Experience with consensus algorithms, P2P networking, and DApp development is highly valued. This is an exceptional opportunity to be at the forefront of blockchain innovation.
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8
Senior Blockchain Developer
MK9 2AA Milton Keynes, South East
£90000 Annually
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Our client, a cutting-edge fintech startup revolutionizing decentralized finance, is searching for a talented Senior Blockchain Developer to join their fully remote team. This position offers the flexibility to work from any location within the UK, focusing on developing and implementing sophisticated blockchain solutions. You will be responsible for designing, coding, testing, and deploying smart contracts and decentralized applications (dApps) on various blockchain platforms (e.g., Ethereum, Polygon, Solana). The ideal candidate will have a strong background in cryptography, distributed systems, and a deep understanding of blockchain architecture. Proficiency in smart contract languages such as Solidity, Rust, or Go is a must. You will contribute to the entire software development lifecycle, from conceptualization and design to deployment and maintenance. Experience with blockchain security best practices, consensus mechanisms, and tokenomics is highly desirable. You will collaborate with product managers, designers, and other engineers to translate business requirements into technical specifications and deliver high-quality, scalable, and secure blockchain products. The ability to architect robust and efficient blockchain networks and to troubleshoot complex technical challenges in a distributed environment is essential. This is a unique opportunity to work at the forefront of blockchain technology, shaping the future of finance with an innovative and rapidly growing company. Exceptional problem-solving skills and a passion for decentralized technologies are key. You will utilize modern development tools and collaborate using agile methodologies within a remote-first culture, relying on robust communication platforms and version control systems.
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