React / Node.js Developer(Full Time Freelancer) Required for Third-Party API Development & Integration

We are looking for an experienced React.js and Node.js developer (Full Time Freelancer, not an Agency or Part Time freelancer) to develop and integrate APIs for our web application. The developer will be responsible for creating secure, scalable, and well-documented APIs and connecting them with third-party services.

This project involves backend API development, third-party service integration, and frontend API consumption where required.

✅ Responsibilities:
Develop REST APIs using Node.js and Express.js
Integrate third-party APIs / external services
Connect APIs with React.js frontend
Implement authentication systems (JWT, OAuth, API Keys, etc.)
Handle data validation, error handling, and performance optimization
Write clean and maintainable code
Provide API documentation (Postman / Swagger preferred)
Testing and debugging

✅ Required Skills:
Strong experience in Node.js & Express.js
Strong experience in React.js
Experience working with third-party APIs
Database knowledge (MongoDB / MySQL / PostgreSQL)
Experience with RESTful API architecture
Knowledge of authentication and security best practices
Git version control experience

✅ Project Scope:
API development for third-party application integration
Frontend API integration support (if required)
Documentation and testing
Possible long-term collaboration based on performance