Hiring: Senior Backend + Smart Contract Developer (Web3) We’re looking for a highly experienced Backend + Smart Contract Developer with a strong grasp of blockchain architecture and mid-level AWS expertise to join our innovative Web3 team. This is your chance to design and build cutting-edge decentralized systems that scale globally. Key Responsibilities Smart Contract Development: Architect, develop, and deploy secure smart contracts (Solidity / Rust) for Ethereum, EVM-compatible chains, and other L1/L2 networks. Conduct in-depth testing, auditing, and gas optimization. Backend Engineering & Blockchain Architecture: Design high-performance backend systems and scalable blockchain architectures. Build and maintain APIs, node integrations, and indexing services (e.g., The Graph, Alchemy, Infura). Cloud & Infrastructure (AWS): Deploy and manage backend services using AWS (EC2, Lambda, API Gateway, S3, RDS) and cloud best practices. Implement CI/CD pipelines, containerization (Docker, Kubernetes), and monitoring solutions. Security & Optimization: Ensure system security, resilience, and gas optimization. Apply best practices for mitigating vulnerabilities (reentrancy, overflow, etc.). Collaboration & Ownership: Work closely with frontend, DevOps, and product teams to deliver robust end-to-end blockchain products. Take complete ownership from architecture to deployment. Must-have Qualifications 4+ years in backend development and 2+ years in smart contract development. Deep understanding of Ethereum, EVM architecture, L2 scaling solutions, and DeFi/NFT standards (ERC20, ERC721, ERC1155). Proficiency in Solidity, JavaScript/TypeScript, Node.js, and at least one systems language (Go, Rust, or C++). Strong experience in blockchain solution architecture for scalable dApps. Mid-level experience with AWS (EC2, Lambda, API Gateway, S3, RDS). Familiarity with common smart contract vulnerabilities and mitigation strategies. Proven ability to deliver secure, scalable, production-ready blockchain systems. Preferred Qualifications Experience with Hardhat, Foundry, Truffle, Web3.js / Ethers.js. AWS DevOps experience for blockchain-based apps, including CI/CD pipelines and container orchestration. Cross-chain development and interoperability protocol expertise. Knowledge of zero-knowledge proofs (ZK-SNARKs/STARKs). Experience with audited DeFi protocols. Familiarity with L2 rollups, bridges, and advanced blockchain scaling techniques. Exposure to NFTs, DeFi mechanics, and modern blockchain infrastructure. 📍 Location: Remote / Hybrid (India preferred) 📌 Type: Full-time
