Node JS Blockchain Developer

Suffescom Solutions Inc; Mohali; On-site; INR 1,200,000 - 2,400,000; Full time

Benefits offered by this job

5-day work week

Competitive salary

Growth opportunities

Skill upgradation support

Innovative environment

Job summary

Suffescom Solutions Inc in Mohali, Punjab invites an experienced Node.js+Blockchain Developer to build scalable backend applications. You will work on server-side code, Web3 integrations, RESTful APIs, and secure data services.

The role requires strong Node.js/Express.js, MySQL/MongoDB, JWT, and Docker experience; you will collaborate with frontend, QA, and DevOps teams to deliver high-performance solutions.

Qualifications

• 3+ years hands-on experience with Node.js.
• Strong knowledge of Express.js and API design.
• Experience with MySQL and MongoDB databases.
• Good understanding of API security practices.
• Familiarity with JWT authentication and RBAC.
• Experience with Docker and deployment is a plus.
• Git and version control familiarity.

Responsibilities

• Develop server-side applications using Node.js and blockchain integration.
• Design and build RESTful APIs and backend services.
• Work with MySQL and MongoDB for data storage and optimization.
• Ensure high performance, scalability and security of applications.
• Integrate third-party APIs and services.
• Handle error logging and debugging; participate in code reviews.

Skills

Node.js

Express.js

Web3

API security

JWT

MongoDB

MySQL

Async programming

RESTful APIs

Git

Tools

Docker

Job description

Job Description

We are looking for an experienced Node.js+ Blockhain Developerwith 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 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

Requirements: