12 of 12 Smart Contracts Jobs in the City of London

Blockchain Developer with strong skills in Ethereum-based ecosystems. You will be joining a world-class engineering team, contributing across the full stack, from writing performant smart contracts to architecting scalable back-ends and beautiful user-facing interfaces. They will provide exposure and training in: Solidity, Node.js, React, HTML5, CSS3, TypeScript, Foundry, Hardhat, Ethereum-based ecosystems, bridging More ❯

Inside IR35 Required Core Skills: 1. Proven experience in blockchain development 2.Strong understanding of Web 3 protocols, decentralized systems, and cryptographic principles. 3.Experience developing and deploying smart contracts and working with tools like Hardhat, Truffle, or Foundry. 4.Ability to critically assess and challenge third-party technical solutions and architectures. 5.Familiarity with banking systems, financial regulations, and enterprise … 7.Experience with version control (Git) and CICD pipelines. 8.Excellent communication skills and the ability to work in a collaborative, fast-paced environment 9.Experience developing and deploying smart contracts and working with tools like Hardhat and Truffle. More ❯

onsite) Duration: Contract Job Description: 1. Proven experience in blockchain development 2.Strong understanding of Web 3 protocols, decentralized systems, and cryptographic principles. 3.Experience developing and deploying smart contracts and working with tools like Hardhat, Truffle, or Foundry. 4.Ability to critically assess and challenge third-party technical solutions and architectures. 5.Familiarity with banking systems, financial regulations, and enterprise … 7.Experience with version control (Git) and CICD pipelines. 8.Excellent communication skills and the ability to work in a collaborative, fast-paced environment 9.Experience developing and deploying smart contracts and working with tools like Hardhat and Truffle. Thanks & Regards, Sreeja IT Recruiter | Europe & UK Email - sreeja.j@ampstek.com Ampstek Services Limited More ❯

onsite) Duration: Contract Job Description: 1. Proven experience in blockchain development 2.Strong understanding of Web 3 protocols, decentralized systems, and cryptographic principles. 3.Experience developing and deploying smart contracts and working with tools like Hardhat, Truffle, or Foundry. 4.Ability to critically assess and challenge third-party technical solutions and architectures. 5.Familiarity with banking systems, financial regulations, and enterprise … 7.Experience with version control (Git) and CICD pipelines. 8.Excellent communication skills and the ability to work in a collaborative, fast-paced environment 9.Experience developing and deploying smart contracts and working with tools like Hardhat and Truffle. Thanks & Regards, Sreeja IT Recruiter | Europe & UK Email - sreeja.j@ampstek.com Ampstek Services Limited More ❯

Detailed Job Description: 1. Proven experience in blockchain development 2.Strong understanding of Web 3 protocols, decentralized systems, and cryptographic principles. 3.Experience developing and deploying smart contracts and working with tools like Hardhat, Truffle, or Foundry. 4.Ability to critically assess and challenge third-party technical solutions and architectures. 5.Familiarity with banking systems, financial regulations, and enterprise-grade security … 7.Experience with version control (Git) and CICD pipelines. 8.Excellent communication skills and the ability to work in a collaborative, fast-paced environment 9.Experience developing and deploying smart contracts and working with tools like Hardhat and Truffle. 5.Familiarity with banking systems, financial regulations, and enterprise-grade security standards More ❯

Detailed Job Description: 1. Proven experience in blockchain development 2.Strong understanding of Web 3 protocols, decentralized systems, and cryptographic principles. 3.Experience developing and deploying smart contracts and working with tools like Hardhat, Truffle, or Foundry. 4.Ability to critically assess and challenge third-party technical solutions and architectures. 5.Familiarity with banking systems, financial regulations, and enterprise-grade security … 7.Experience with version control (Git) and CICD pipelines. 8.Excellent communication skills and the ability to work in a collaborative, fast-paced environment 9.Experience developing and deploying smart contracts and working with tools like Hardhat and Truffle. 5.Familiarity with banking systems, financial regulations, and enterprise-grade security standards 5.Familiarity with banking systems, financial regulations, and enterprisegrade security standards More ❯

partner solutions for DLT implementation; perform risk assessments. Architecture & Standards: Develop and maintain architectural standards, security models, and integration blueprints for blockchain systems. Development & Integration: Deliver hands-on smart contract development and integration with enterprise systems; collaborate closely with vendors and act as an individual contributor where needed. Thought Leadership: Represent Fidelity in industry forums, publish white papers … 7+ years in enterprise IT or software engineering, including 3+ years with blockchain/DLT. Proficient in Ethereum, Hyperledger, or comparable platforms. Hands-on experience developing smart contracts (e.g., Solidity) and integrating blockchain with enterprise systems. Familiarity with financial services, particularly in asset management and fund distribution. Proven ability to design or evaluate tokenization use cases. Strong More ❯

maintain end-to-end features across the Mintus platform — from intuitive front-end interfaces to robust, secure backend services. -Build scalable APIs and services to support tokenisation workflows, smart contract interactions, and AI-driven decision tools. -Collaborate cross-functionally with design, product, and AI teams to translate business needs into powerful user experiences. -Optimise performance across the stack … and event-driven architecture. -Solid experience with cloud services (AWS, GCP or equivalent), CI/CD, and containerisation tools like Docker. -Familiarity with blockchain fundamentals and smart contracts is a strong plus. -Strong problem-solving skills and a proactive, ownership-driven mindset. -Comfortable working in a fast-paced, agile environment with evolving requirements. Bonus Points For -Experience More ❯

maintain end-to-end features across the Mintus platform — from intuitive front-end interfaces to robust, secure backend services. -Build scalable APIs and services to support tokenisation workflows, smart contract interactions, and AI-driven decision tools. -Collaborate cross-functionally with design, product, and AI teams to translate business needs into powerful user experiences. -Optimise performance across the stack … and event-driven architecture. -Solid experience with cloud services (AWS, GCP or equivalent), CI/CD, and containerisation tools like Docker. -Familiarity with blockchain fundamentals and smart contracts is a strong plus. -Strong problem-solving skills and a proactive, ownership-driven mindset. -Comfortable working in a fast-paced, agile environment with evolving requirements. Bonus Points For -Experience More ❯

Do you have experience in Security Software, Web3/Smart Contracts Auditing and also have programming knowledge of Solidity, Go, Rust, and/or C++ and want to be part of an expert team securing some the worlds leading blockchain protocols? Fully Remote working. Can be based in Europe or UK. A Web3/Smart Contracts Auditor/Security SoftwareEngineer, ideally with a PhD in Mathematics, Computing or Cryptography coupled with strong programming skills (Go, Rust, Solidity, C/C++) will join an innovative start-up combining high-end security, blockchain and program analysis research. Youll undertake Security SoftwareResearch as part of a team of experts in Compilers, Cryptography, Mathematics and Finance … good remuneration package with a generous bonus, research opportunities and personal equipment of your choice. You should bring the following: A relevant PhD. Experience of Web3 Auditing/Smart Contract Auditing. Highly beneficial to bring experience of zero-knowledge proofs. Proficiency in programming languages to include Go and Rust, Solidity and C/C++. Solid understanding of mathematical More ❯

Developer to build low-latency trading systems for both CeFi and DeFi markets. You'll help drive business growth by enhancing infrastructure, connecting to new venues, and optimizing smart contract interactions and MEV strategies. What You'll Need: Strong Rust skills (professional or personal projects) Experience with async programming Solid CS fundamentals (algorithms, data structures) Interest in crypto More ❯

Developer to build low-latency trading systems for both CeFi and DeFi markets. You'll help drive business growth by enhancing infrastructure, connecting to new venues, and optimizing smart contract interactions and MEV strategies. What You'll Need: Strong Rust skills (professional or personal projects) Experience with async programming Solid CS fundamentals (algorithms, data structures) Interest in crypto More ❯

opportunity to directly impact the business' growth by enhancing existing infrastructure and connecting to new trading venues in both CeFi and DeFi. You will also work on optimising smart contract interactions, on-chain arbitrage, and MEV strategies in DeFi. If you excel in Rust, thrive on solving intellectually stimulating problems, and have a passion for performance-driven development More ❯

strategies, MEV Self-directed, highly accountable, and operationally disciplined Nice to Have Experience collaborating with engineering teams on trading infrastructure Experience with Solidity or interacting with smart contracts directly Familiarity with perpetual decentralized exchange protocols Background in market microstructure or HFT Track open interest, perp skew, rate differentials, and L2 flows to anticipate structural shifts Familiarity with More ❯

the Defi-focused engineering build and help shape the architectural vision of this dynamic bank's blockchain-related infrastructure. Design and implement secure wallet systems Build smart contracts and DeFi tooling from the ground up Develop interoperable cross-chain and L2 solutions Engineer tokenisation systems for banking infrastructure Collaborate with key teams for enterprise crypto services Key … Responsibilities: Develop reliable, high-performance blockchain systems Design wallet, smart contract, and cross-chain solutions Guide node architecture and ledger design Advise on blockchain trends and DeFi ecosystems The Candidate We're seeking a proven Engineering leader with strong DeFi, Stablecoin, and (ideally) banking/fintech exposure. You will have a background of 0-1 build out and … deep blockchain experience. 10+ years in software & blockchain architecture Deep knowledge of EVM, Rust Smart-Contract build. A background in building Crosschain, Sablecoin, wallets, and DeFi products Experience with production-grade blockchain design Expertise in blockchain security and performance Strong cross-team collaboration skills and leadership skills The Reward This is an amazing opportunity to join a forward More ❯

Rust Ship early products and iterate closely with real users Prototype new protocols and application patterns Contribute across the stack, from distributed systems to databse, and smart contracts to frontend We're looking for a Software Engineer who: Learns fast, moves fast, and is deeply self-driven Has touched cryptographic systems, distributed architectures, or dev infra Brings More ❯