Senior Node Js Blockchain Developer

Job Description

We are looking for an experienced SeniorNode.js Developer with Hands-on experienceto build scalable, high-performance backend applications. The ideal candidate should have strong expertise in Node.js, Express.js, APIs, and databases and Web3, along with a good understanding of backend architecture and security.

Key Responsibilities

• Expertise: Blockchain Integration OR Smart Contract Development, Web3 APIs, Solidity. Develop and maintain server-side applications using Node.js

• Design and build RESTful APIs and backend services

• Work with MySQL and/or MongoDB for data storage and optimization

• Ensure high performance, scalability, and security of applications

• Integrate third-party APIs and services

• Handle error handling, logging, and debugging

• Collaborate with frontend, QA, and DevOps teams

• Participate in code reviews and technical discussions

Requirements

Technical Requirements

• 3+ years of hands-on experience in Node.js

• Strong knowledge of Express.js

• Experience with MySQL & MongoDB

• Good understanding of API development & security practices

• Knowledge of asynchronous programming & event loop

• Familiarity with JWT authentication & role-based access

• Experience with Docker / deployment is a plus

• Knowledge of Git & version control systemsGood to Have

• Experience with microservices architecture

• Knowledge of Redis / caching mechanisms

• Exposure to cloud platforms (AWS/GCP/Azure)

Benefits

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• 5-day work week

• Competitive salary package

• Opportunities for professional growth and continuous learning

• Support for inter-tech skill upgradation

• Friendly, collaborative, and innovation-driven work environment