13 of 13 Remote/Hybrid web3js Jobs in London

Experience and expertise developing web applications adhering to best practices and patterns for reliability, scalability, and performance* Familiarity with web3 libraries like Web3J and Web3JS is a plus* Familiarity with common and best practices for web3 applications is a plus* Familiarity of Solidity code and best practices ...

Experience and expertise developing web applications adhering to best practices and patterns for reliability, scalability, and performance Familiarity with web3 libraries like Web3J and Web3JS is a plus Familiarity with common and best practices for web3 applications is a plus Familiarity of Solidity code and best practices ...

Experience and expertise developing web applications adhering to best practices and patterns for reliability, scalability, and performance Familiarity with web3 libraries like Web3J and Web3JS is a plus Familiarity with common and best practices for web3 applications is a plus Familiarity of Solidity code and best practices ...

test, and audit** smart contracts written in Solidity or equivalent languages, ensuring security, correctness, and gas efficiency* **Integrate Web3 libraries and SDKs** (e.g., Web3J, Web3JS, Ethers.js, Viem) into enterprise Java and/or Node.js backend services* **Implement asynchronous, event-driven architectures** to handle on-chain events, transaction lifecycle management … Solidity** smart contract development, including testing frameworks (Hardhat, Foundry, Truffle) and security best practices* Hands-on experience with **Web3 libraries** such as Web3J, Web3JS, Ethers.js, or Viem* Solid understanding of **blockchain fundamentals** — consensus mechanisms, transaction lifecycle, gas models, wallet infrastructure, and key management* Experience with **token standards ...

Senior Data Engineer Data, Analytics & Indexing Remote £100k – £200k Plexus is partnering with a leading Web3 data platform offering an exciting opportunity to join one of the most respected teams in the digital asset ecosystem. ...

Frontend Engineer London, UnitedKingdom Posted 10 months ago This is a job posted by our partner Jooble Tech stack JavaScript Next.js React Redis DataDog Frontend GitHub PostgreSQL TypeScript Node.js Google Cloud Platform Below is ...

Blockchain is connecting the world to the future of finance. As the most trusted and fastest-growing global crypto company, it helps millions of people worldwide safely access cryptocurrency. Since its inception in 2011, Blockchain ...

Remote (Worldwide) • Contract • $50–150/hr We are building the first blockchain-based pet ecosystem in Brazil. 160M pets. $60B market. Zero blockchain infrastructure today. Web2 platform is 75% complete. Now building Web3 layer ...

Citi London is seeking a Lead Web3 Engineer to join the Digital Assets Platform. You will develop backend components linked to blockchain networks, implement wallet interactions, and deploy smart contracts in a fast-paced, enterprise ...

Blockchain Works, located in Greater London, is searching for a Senior Web3 Software Engineer to create a TradingView-style desktop application and browser extensions. The role requires strong expertise in modern software development and Web3 ...

Citi London is seeking a Lead Web3 Engineer to drive backend development for the Integrated Digital Assets Platform. You will build enterprise-grade web applications, connect to blockchain networks, and develop APIs and services that ...

Citi London is hiring a Senior Blockchain Engineer for the Digital Assets Platform. You will be a hands-on backend engineer (Java Spring) focusing on scalable web applications and web3 integration, contributing to the CIDAP ...

Citi London is seeking a Senior Blockchain Engineer to join the Digital Assets Platform. You will contribute to the Citi Integrated Digital Assets Platform (CIDAP), building enterprise-grade web applications with a strong Java backend ...