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Senior Multi-Chain Backend Engineer
Builds scalable backend services for high-volume, multi-chain blockchain transactions and leads DeFi protocol integrations using Node.js/TypeScript and deep Web3 expertise.
Lead Web3 Backend Engineer - Digital Assets Platform
Lead backend engineer building enterprise-grade Web3 services for a digital assets platform, integrating blockchain networks with Java and Web3 libraries.
Web3 Backend Engineer for Digital Assets Platform
Build and deploy Web3-native components for Citi’s digital asset platform, integrating blockchain protocols and tokenization with Java/Spring or Node.js backends.
Senior Web3 Backend Engineer, Blockchain Platform
Builds enterprise-grade backend services for a blockchain platform, integrating with Web3 networks and tokenized assets using Java/Spring.
Senior Backend Engineer - Web3 Orchestration (Equity)
Architects and builds off-chain infrastructure for blockchain solutions using TypeScript, focusing on scalable systems and smart-contract integration.
Backend Engineer, Web3 & High-Performance APIs
Build and scale high-performance backend services and APIs for a leading DeFi protocol, integrating with blockchain networks and optimizing for scalability and reliability.
Backend Engineer: Crypto Risk & Data APIs
Build and scale cloud-native APIs and data layers for cryptocurrency crime prevention and risk analysis using Java, PostgreSQL, Kafka, and AWS.
Staff Software Engineer, Frontend
Build Ripple’s Palisade wallet platform using React, TypeScript, and modern frontend tooling to create secure, high-performance UIs for digital asset treasury and payments.
Remote Senior Backend Engineer, Post-Quantum Web3
Senior Backend Engineer building secure, post-quantum Web3 tools using Rust and TypeScript, focusing on core libraries and blockchain transaction logic.
Remote Blockchain Backend Engineer (EVM & Smart Contracts)
Build and maintain backend infrastructure that connects products to EVM networks and smart contracts, handling RPC communication, event indexing, and transaction monitoring.
Senior Front-End Engineer - Crypto/Web3 ( London ) in London - bondex app
Builds secure, scalable React/TypeScript front-ends for a Web3/crypto app, integrating wallets and handling client-side blockchain transactions.
Blockchain & Backend Developer – Cofounder | Play-To-Earn Gaming
Build and scale the blockchain backend for a play-to-earn sports gaming platform, writing smart contracts, wallets, APIs, and infrastructure in Go/Solidity to power tokenized rewards and secure transactions.
Senior Frontend Engineer (Visa Sponsorship and relocation to the UK offered)
Build and maintain MoonPay’s Web3 payment and NFT infrastructure using React, TypeScript, and Node.js, while collaborating in small cross-functional squads to ship high-quality, customer-facing features.
Backend Engineer (HFT / Low-Latency Systems)
Build ultra-low-latency components for a next-gen blockchain protocol, optimizing order matching and network pipelines in Rust/C++/Go to achieve sub-millisecond execution.
Senior Front-End Engineer: Crypto/Web3 UI & Wallet
Builds Web3 interfaces for a crypto wallet and DEX using React and TypeScript, integrating blockchain features and collaborating with cross-functional teams.
Senior Front-End Engineer - Crypto/Web3 (London)
Builds and maintains Web3 front-ends for a crypto wallet, DEX, and on-ramp using React, TypeScript, and Web3 libraries like ethers.js.
Senior Backend Engineer
Build off-chain infrastructure for an intent-powered smart wallet system that abstracts blockchain complexity, using Rust/TypeScript and interacting with Solidity smart contracts.
Backend Engineer
Build and scale backend services in Node.js/TypeScript and Python, integrate Web3 features, and optimize performance with Redis and Kubernetes for a blockchain/AI startup.
DevOps Engineer
DevOps Engineer maintaining cloud-based trading infrastructure for a crypto-focused quant firm, automating pipelines and securing systems in a hybrid London role.
Staff Software Engineer, Golang
Builds high-scale, transactional backend services in Go for Web3, AI, and iGaming platforms, ensuring correctness in real-time financial and gaming systems.