Job DescriptionWe are looking for an experienced Blockchain & Node.js Developer with strong hands-on expertise in both backend application development and blockchain technologies. The ideal candidate should be equally proficient in building scalable backend systems using Node.js and developing decentralized applications (dApps), smart contracts, and blockchain integrations.

Key Responsibilities:
Design, develop, and maintain scalable backend applications using Node.js and Express.js.
Build and manage RESTful APIs, microservices, and backend services.
Develop, test, deploy, and maintain smart contracts on blockchain networks.
Integrate blockchain functionality with backend applications and third-party services.
Work with Web3 technologies to interact with decentralized networks and wallets.
Design secure and productive blockchain-based solutions for business requirements.
Manage and optimize database systems using MySQL, MongoDB, and other data stores.
Implement authentication, authorization, and role-based access mechanisms.
Handle error logging, monitoring, debugging, and performance optimization.
Collaborate with frontend, QA, DevOps, and product teams throughout the development lifecycle.
Participate in code reviews, architecture discussions,



and technical planning

Technical Requirements:
Backend Development
3+ years of hands-on experience in Node.js development.
Strong expertise in Express.js and backend architecture.
Experience in designing and developing RESTful APIs.
Solid knowledge of asynchronous programming, event loop, and performance optimization.
Experience with MySQL and MongoDB.
Good understanding of authentication mechanisms including JWT and RBAC.
Familiarity with Git and version control workflows.
Experience with Docker and deployment processes.

Blockchain Development
2+ years of hands-on experience in blockchain development.
Robust understanding of blockchain fundamentals, consensus mechanisms, and decentralized systems.
Hands-on experience with Web3.js, Ethers.js, or similar blockchain libraries.
Knowledge of wallet integrations such as MetaMask and WalletConnect.
Understanding of smart contract security, gas optimization, and auditing best practices.
Experience interacting with blockchain networks through RPC providers and APIs.

Pay: ₹30,000.00 - ₹90,000.00 per month

Work Location: In person

📌 Mern & Blockchain Backend Developer Chandigarh
🏢 Suffescom Solutions
📍 Chandigarh