13 of 13 Permanent Smart Contracts Jobs in London

onsite, 4 WFH) Contract: 6 Months (OIR35) Rate: £500-600 DOE What You'll Be Working On: Designing, developing and maintaining smart contracts/on-chain programs Building solutions on Ethereum (Solidity) or Solana (Rust) Contributing to enterprise distributed ledger workflows (DAML-based platforms) Collaborating with engineers … code Supporting integration with off-chain services, APIs, and data layers Key Skills & Experience: Strong experience working with Solidity and Ethereum smart contracts And/Or experience developing Solana programs using Rust Understanding of smart contract security, testing and optimisation Experience working with DAML (desirable ...

onsite, 4 WFH) Contract: 6 Months (OIR35) Rate: £500-600 DOE What You'll Be Working On: Designing, developing and maintaining smart contracts/on-chain programs Building solutions on Ethereum (Solidity) or Solana (Rust) Contributing to enterprise distributed ledger workflows (DAML-based platforms) Collaborating with engineers … code Supporting integration with off-chain services, APIs, and data layers Key Skills & Experience: Strong experience working with Solidity and Ethereum smart contracts And/Or experience developing Solana programs using Rust Understanding of smart contract security, testing and optimisation Experience working with DAML (desirable ...

full-time remote role for a Smart Contract Developer. The developer will be responsible for designing, implementing, and testing smart contracts on blockchain platforms. Daily tasks will include reviewing and optimizing contract performance, conducting code audits to ensure security and efficiency, and collaborating with teams … understand project requirements. Additional responsibilities may involve integrating smart contracts with other blockchain components and staying updated on industry trends in blockchain technology. Qualifications Experience with Smart Contract development and blockchain technologies, particularly Ethereum or other major platforms. Proficiency in Solidity, Vyper, or other smart ...

regulatory standards, customer expectations, and market trends. Platform Expertise: Maintain deep knowledge of Thought Machine platforms , including architecture ability to design smart contracts for different products ,integration capabilities and customisation options. Solution Design: Translate business needs into functional and technical specifications, ensuring alignment with the bank … successful integrations of Thought Machine's Vault core banking system with legacy and modern platforms for leading financial institutions. Designed custom smart contracts, managed API mappings, and ensured real-time data synchronisation between Thought Machine and external systems, including payment gateways, KYC/AML services, and regulatory ...

regulatory standards, customer expectations, and market trends. Platform Expertise: Maintain deep knowledge of Thought Machine platforms , including architecture ability to design smart contracts for different products ,integration capabilities and customisation options. Solution Design: Translate business needs into functional and technical specifications, ensuring alignment with the bank … successful integrations of Thought Machine's Vault core banking system with legacy and modern platforms for leading financial institutions. Designed custom smart contracts, managed API mappings, and ensured real-time data synchronisation between Thought Machine and external systems, including payment gateways, KYC/AML services, and regulatory ...

current on blockchain innovations, market dynamics, and regulatory developments. Qualifications Demonstrated expertise in blockchain technology, including an understanding of blockchain protocols, smart contracts, and distributed ledgers. Experience using blockchain analytics tools such as Chainalysis , Elliptic , Nansen , or equivalent platforms. Strong familiarity with cryptocurrency markets, tokenomics, and digital ...

scalable backend systems that form the backbone of Web3-first products. Your work will directly shape how users interact with blockchains, smart contracts, DAOs and REST APIs enabling high-performance, reliable and secure services at scale. Role: Architect and build backend systems for Web3 products. Develop … maintain RESTful APIs using Python. Connect backend services with Web3 technologies, including blockchains, DAOs, and smart contracts. Requirements: Strong proficiency in Python and SQL. Hands-on experience with modern Python web frameworks (FastAPI, Flask, or Django). Solid understanding of cloud infrastructure and deployment environments. 3+ years ...

this rapidly growing space. You'll Do: Design latency-sensitive, market-neutral trading strategies for blockchain Build automated algorithms interacting with smart contracts and DEXs Analyze blockchain data to identify profitable opportunities Develop risk frameworks for volatile crypto markets You Have: 6+ years running HFT/prop ...

this rapidly growing space. You'll Do: Design latency-sensitive, market-neutral trading strategies for blockchain Build automated algorithms interacting with smart contracts and DEXs Analyze blockchain data to identify profitable opportunities Develop risk frameworks for volatile crypto markets You Have: 6+ years running HFT/prop ...

operating in a fast-paced, regulated environment with high accountability. Bonus: • Experience in crypto, DeFi, or digital asset infrastructure. • Familiarity with smart contracts, hybrid on-chain/off-chain architectures, and regulatory frameworks (MiCA, SOC 2, ISO 27001). What They Offer: • A senior leadership role with ...

operating in a fast-paced, regulated environment with high accountability. Bonus: • Experience in crypto, DeFi, or digital asset infrastructure. • Familiarity with smart contracts, hybrid on-chain/off-chain architectures, and regulatory frameworks (MiCA, SOC 2, ISO 27001). What They Offer: • A senior leadership role with ...

working with a crypto startup focused on on-chain securitisation who are looking for a Solidity engineer to help build secure, scalable smart-contract systems that support real-world financial applications. You’ll work across the stack, contribute to key architectural decisions, and help shape reliable infrastructure used … across all layers of development. Contribute to broader product architecture and technical decision-making. Requirements 2 years of hands-on experience building advanced Solidity contracts and using modern tooling (Foundry, established patterns, EIPs, etc.). Strong security mindset. Solid understanding of Git workflows and CI/CD pipelines. Strong ...

working with a crypto startup focused on on-chain securitisation who are looking for a Solidity engineer to help build secure, scalable smart-contract systems that support real-world financial applications. You’ll work across the stack, contribute to key architectural decisions, and help shape reliable infrastructure used … across all layers of development. Contribute to broader product architecture and technical decision-making. Requirements 2 years of hands-on experience building advanced Solidity contracts and using modern tooling (Foundry, established patterns, EIPs, etc.). Strong security mindset. Solid understanding of Git workflows and CI/CD pipelines. Strong ...