JobCubby JobCubby
Sign up
Suffescom Solutions Pvt. Ltd.

Senior Node Js Blockchain Developer

Suffescom Solutions Pvt. Ltd. S.A.S. Nagar (Mohali) Tahsil, Punjab, India · ₹1M/yr

Software Development · 201-500 employees

2 d ago
nodejs Mid (2-5 yrs) Full-time India
Create a free account to apply — email only, no card. You can also save this posting or score it against your profile with AI.

Applying here? Try the free cover letter tool — paste this posting and your résumé, no account needed.

About the role

Develop and maintain scalable server-side applications using Node.js and integrate blockchain technologies or smart contracts. Design RESTful APIs, manage database operations, and ensure high performance and security across backend services.

What they look for

Node.js Express.js Blockchain Web3 Solidity RESTful APIs MySQL MongoDB Smart Contract Development JWT Authentication Docker Git Microservices Redis AWS GCP

Requirements

Requires 3+ years of hands-on experience in Node.js with strong knowledge of Express.js and database management. Candidates should have expertise in Web3, Solidity, and API security practices.

Benefits

5-day work week Competitive salary package Professional growth opportunities Continuous learning Inter-tech skill upgradation support Collaborative work environment

Full description

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

Similar roles