Full Stack Blockchain Developer | Web3

Job Title: Senior Full Stack Blockchain DeveloperLocation: Remote (Eastern Europe)Job Type: Full-TimeKey Skills: Solidity, Rust, Smart Contracts, Web3, EVM, Solana, Full Stack DevelopmentOur client is a leading Web3 development studio building secure, scalable blockchain products across smart contracts, decentralized applications, and blockchain infrastructure.We are seeking a Full Stack Blockchain Developer to design, build, and maintain production-grade Web3 applications, smart contracts, and on-chain systems across EVM networks and Solana.This role is ideal for an engineer with hands-on mainnet deployment experience who can work across smart contracts, backend services, frontend applications, wallet integrations, and blockchain infrastructure.Why join us?Fully remote opportunityWork on production-level Web3 applicationsBuild across EVM ecosystems and SolanaWork with experienced blockchain engineersOpportunity to contribute to secure, scalable decentralized productsIf interested, please apply here or email your resume to Jessica Nishad at jessica@atalnt.comResponsibilitiesDesign, develop, and audit smart contracts including ERC-20, ERC-721, and ERC-1155 standardsBuild and maintain full-stack Web3 applicationsDevelop backend services and integrate blockchain infrastructureBuild wallet integrations and on-chain/off-chain data solutionsWork with marketplace, DEX, and token launch featuresParticipate in code reviews and security-focused testingOptimize application performance, scalability, and reliabilityCollaborate with product and engineering teams to deliver blockchain solutionsMaintain technical documentation and development standardsQualificationsStrong blockchain and cryptocurrency development experienceHands-on experience with EVM-based chains and SolanaStrong proficiency in Solidity and RustPrevious mainnet deployment experience requiredExperience with Web3 frameworks and tooling including Hardhat, Foundry, ethers.js, or web3.jsExperience building frontend and backend applicationsUnderstanding of APIs, event-driven architecture, and database systemsExperience integrating on-chain and off-chain dataStrong problem-solving skills and ability to work independently in a remote environmentInterest in blockchain security best practices and emerging Web3 technologiesPreferred ExperienceSmart contract auditing experienceDeFi, DEX, marketplace, or token launch experienceExperience with blockchain security and vulnerability preventionProduction experience with large-scale Web3 applications