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Senior Blockchain Developer

1.00 to 10.00 Years   Bangalore   22 Jul, 2026
FIRST JOB CONSULTING PRIVATE LIMITED
Job LocationBangalore
EducationNot Mentioned
SalaryNot Disclosed
IndustryIT Services & Consulting
Functional AreaIT Operations / EDP / MIS
EmploymentTypeFull-time

Job Description

    Job Title: Senior Blockchain Developer (Web3 | Solidity | ZKP | SSI)Experience: 8 YearsLocation: BangaloreCTC: Up to 24 LPAJob DescriptionWe 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 / Web3How to ApplyInterested candidates can share their updated resume at:
    • hidden_email
    • hidden_email

Keyskills :
react.jsblockchainexpress.jsdevelopmentcredentialsstackmongodbevmssidecentralizedidentifiersethereumzero-knowledgemerncircomverifiabledidsidentityproofssolidityweb3self-sovereignzksnarks

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