8 of 8 Blockchain Jobs in Southampton

Social network you want to login/join with: Software Engineer (RUST/Blockchain), southampton col-narrow-left Client: Sectech Solutions Location: southampton, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 6 Posted: 16.06.2025 Expiry Date: 31.07.2025 col-wide Job Description: SOFTWARE ENGINEER (RUST/BLOCKCHAIN) REMOTE WORKING - UK HOURS 6 MONTH CONTRACT … + EXTENSIONS OUTSIDE IR35 DAY RATES UP TO $525 DEPENDENT ON EXPERIENCE (US CLIENT - PAY WILL BE MADE IN USD) Our client is a Global Blockchain research and development organisation that are working on several large-scale projects and as a result of this, are now looking for additional Software Engineer with RUST experience. You have the exciting challenge of More ❯

Social network you want to login/join with: Blockchain Developer - Solidity, southampton col-narrow-left Client: Solas IT Recruitment Location: southampton, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 4 Posted: 31.05.2025 Expiry Date: 15.07.2025 col-wide Job Description: If you are passionate about blockchain technology and thrive in a dynamic environment … this role offers the opportunity to shape groundbreaking solutions while working remotely. Key Responsibilities Smart Contract Development : Design, develop, and deploy secure and efficient smart contracts using Solidity . Blockchain Integration : Integrate blockchain technology into web and backend systems. Performance Optimization : Optimize applications for speed, scalability, and user experience. Collaborative Development : Work closely with cross-functional teams including product managers … designers, and other developers to deliver high-quality solutions. Innovation : Stay updated on the latest blockchain trends and technologies, contributing to new ideas and innovative approaches. Key Qualifications Essential Skills and Experience : Proven experience with Ethereum and related blockchain technologies. Advanced knowledge of Solidity and smart contract development. Experience building RESTful APIs and web applications. Solid understanding of data structures More ❯

Kaleido is the leading enterprise-grade Web3 platform for blockchain and digital assets in the world. Its full-stack infrastructure includes access to all major protocols and chains, 500+ pre-built services and APIs, event streams, wallets, Web3 storage solutions, and more. Founded in 2017 by early pioneers in the blockchain space, Kaleido makes blockchain development radically simple at scale … and more. As one of the fastest growing SaaS companies in the space, Kaleido is poised to transform critical business processes with efficiently deployed NFT marketplaces, digital assets platforms, blockchain as a service, and blockchain consortiums. The Role Kaleido is seeking a full-stack Software Engineer with a passion for engineering enterprise-grade web3 platforms using cutting-edge tools and … source Hyperledger Firefly community. You will also work with Kubernetes operators and other tools to power scale and automation of the Kaleido platform across its core SaaS microservices, web3 blockchain infrastructure, and more. Key Responsibilities Develop and maintain a scalable, readable codebase, focusing on high-quality, maintainable solutions. Collaborate closely with cross-functional teams, including design, engineering, and product, to More ❯

Social network you want to login/join with: Software Engineer - Web3/Blockchain, southampton col-narrow-left Client: Harrington Starr Location: southampton, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 7 Posted: 16.06.2025 Expiry Date: 31.07.2025 col-wide Job Description: Software Engineer – Python/Django/Web3/Blockchain Fully remote The … experience – Up to £170,000 What you will do Build and test smart contracts like Ethereum and Solidity Contribute to a global development and testing teams. Work with various blockchain technologies Work within an Agile environment. What you will need Excellent knowledge of Python and Django framework. Background in Web3 and Blockchain development. Experience with smart contracts Experience with DevOps More ❯

Kaleido is the leading enterprise-grade Web3 platform for blockchain and digital assets in the world. Its full-stack infrastructure includes access to all major protocols and chains, 500+ pre-built services and APIs, event streams, wallets, Web3 storage solutions, and more. Founded in 2017 by early pioneers in the blockchain space, Kaleido makes blockchain development radically simple at scale … and more. As one of the fastest growing SaaS companies in the space, Kaleido is poised to transform critical business processes with efficiently deployed NFT marketplaces, digital assets platforms, blockchain as a service, and blockchain consortiums. The Role Kaleido is seeking a Senior Product Designer with a passion for enterprise software. The successful candidate can own the end-to-end … for communicating ideas both internally and externally; you continuously collaborate with colleagues and external users to design products that customers love. You’ve built or worked with design systems. Blockchain experience is a plus, but not required (we will train you!) What We Value Designers who are passionate about creating products that users will love. A collaborative team player with More ❯

Social network you want to login/join with: Senior Blockchain Engineer – Smart Contracts, Web3, APIs, Node.js, Go, Rust, Solidity, DeFi – Global Investments – Remote – up to £850 outside IR35 We are working with a growing Global Investment organisation, who are seeking a Senior Blockchain Developer to join their team on a contract basis, supporting the build of a new digital … The successful candidate will be tasked with building secure, scalable smart contracts and backend systems powering tokenized assets and multi-chain infrastructure. Required skills: 5+ years of backend/blockchain development (including 2+ years on live smart contract deployments) Deep understanding of EVM architecture, blockchain consensus, gas mechanics, and DeFi primitives. Proficiency with Solidity and tools such as Hardhat, Ethers.js … Web3.js, or Foundry. Experience integrating blockchain features into real-world financial or investment products. This is an exciting opportunity to work across smart contracts, protocol integrations, and backend engineering within a regulated environment, creating products that are reshaping the future of investing. *please note that candidates must be based in the UK #J-18808-Ljbffr More ❯

Social network you want to login/join with: Blockchain Developer (Web3/dApps), southampton col-narrow-left Client: V7 Recruitment Location: southampton, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 7 Posted: 09.06.2025 Expiry Date: 24.07.2025 col-wide Job Description: Blockchain Developer (Web3/dApps) V7 is supporting a leading client in … the IT space who is seeking a Blockchain Developer with deep expertise in building secure, user-focused decentralised applications. This is a fully remote, 3-month rolling contract (outside IR35) focused on developing Web3 infrastructure and smart contract solutions in close collaboration with UX and product teams. Key Responsibilities: Develop and deploy smart contracts for DeFi, NFTs, or tokenized platforms … Optimize smart contracts for security, performance, and low gas usage Maintain clear documentation and participate in audits and peer reviews Key Requirements: 3+ years of hands-on experience in blockchain development Proven track record with Solidity, Ethereum-based contracts, and dApp development Familiarity with wallet integration patterns (MetaMask, WalletConnect, etc.) Understanding of decentralised user flows and Web3 security best practices More ❯

work permit required: Yes col-narrow-right Job Views: 1 Posted: 04.06.2025 Expiry Date: 19.07.2025 col-wide Job Description: Join a firm at the intersection of traditional finance and blockchain innovation, reshaping global trade transactions. As a Trade and Commodity Finance Analyst, you'll play a pivotal role in advancing trade finance strategies and contributing to a growing, dynamic team. … commitment to thrive in an entrepreneurial setting. What We Offer : Fully remote work with a global reach across the UK, Europe, Middle East, and the Caribbean. Opportunities to explore blockchain applications in trade finance while gaining exposure to diverse investment portfolios. A supportive and collaborative team environment emphasizing growth and impact. #J-18808-Ljbffr More ❯