Senior Node Js Blockchain Developer
Confirmed on the employer's own hiring board on Oct 22, 2026. First seen by Alion on Oct 22, 2026. suffescom scores B on the Alion truth index.
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 ResponsibilitiesExpertise: 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