Node.js Blockchain Developer

Job Description

We are looking for an experienced Senior Node.js Developer with Hands-on experience to 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 systems

Good to Have

• Experience with microservices architecture
• Knowledge of Redis / caching mechanisms
• Exposure to cloud platforms (AWS/GCP/Azure)

Benefits

• 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