Senior Blockchain Developer

Job Title: Senior Blockchain Developer (Web3 | Solidity | ZKP | SSI) Experience: 8+ Years Location: Bangalore CTC: Up to 24 LPA Job Description We are looking for an experienced Senior Blockchain Developer with 8+ years of software development experience, including at least 3+ years of hands-on blockchain development. The ideal candidate should have strong expertise in Web3 technologies, smart contract development, decentralized identity solutions, Zero-Knowledge Proofs, and full-stack application development using the MERN stack. Key Responsibilities Design, develop, and deploy secure blockchain-based applications. Develop and maintain Solidity smart contracts on EVM-compatible blockchains. Build decentralized applications (dApps) using the MERN stack. Implement Self-Sovereign Identity (SSI), Decentralized Identifiers (DIDs), and Verifiable Credentials (VC). Design and implement Zero-Knowledge Proof (ZKP) solutions using Circom, zkSNARKs, or PLONK. Develop secure APIs, backend services, and microservices. Integrate blockchain wallets such as MetaMask and custom/mobile wallets. Ensure security, scalability, performance, and reliability of blockchain solutions. Collaborate with cross-functional teams to deliver high-quality products. Mandatory Skills 8+ years of software development experience with at least 3+ years in Blockchain development. Strong expertise in Self-Sovereign Identity (SSI). Experience with Decentralized Identifiers (DIDs) such as iden3, did, or similar. Hands-on experience with Verifiable Credentials (VC). Strong knowledge of Zero-Knowledge Proofs (Circom, zkSNARKs, PLONK, ZK Circuits). Solidity and EVM-based Smart Contract development. Tokenization standards: ERC-20, ERC-1155, ERC-3643. MERN Stack (MongoDB, Express.js, React.js, Node.js). Preferred Skills Strong understanding of cryptography concepts such as ECDSA, hashing, digital signatures, and Baby JubJub (BJJ). Experience integrating MetaMask and other blockchain wallets. Expertise in REST APIs, microservices, and backend architecture. Strong debugging, testing, and application security knowledge. Experience working on enterprise-grade blockchain solutions. Domain: Blockchain / Web3 How to Apply Interested candidates can share their updated resume at: aasimkhan.firstjob@gmail.com hr@firstjob.org.in