Web Developer | React.js | Node.js | SQL by Sandhya KethineniWeb Developer | React.js | Node.js | SQL by Sandhya Kethineni
Web Developer | React.js | Node.js | SQLSandhya Kethineni
Cover image for Web Developer | React.js | Node.js | SQL
Hi! I’m Sandhya, a full-stack web developer specializing in building scalable, performant web applications using React, Node.js, and SQL databases.
What I offer:
Modern, responsive frontend development using React.js
Robust backend APIs and server logic with Node.js (Express, Nest.js, etc.)
Database design, management, and optimization using SQL (MySQL, PostgreSQL, MSSQL)
Integration of frontend and backend for seamless user experience
RESTful API development and integration
Debugging, testing, and deployment assistance
Performance optimization and best coding practices
Why choose me?
[8]+ years of experience in full-stack development
Clean, maintainable, and scalable code
Strong problem-solving skills and attention to detail
Effective communication and timely delivery
Client-focused approach to meet your unique needs
Typical projects I handle:
Single-page applications (SPAs) with React
REST API backend services with Node.js
Database-driven apps with SQL data storage
Dashboards, admin panels, and user portals
Integration with third-party APIs and services
Let’s build your next web app!
Feel free to message me for a free consultation or project estimate.

What's included

Frontend Development (React.js)
Responsive user interface built with React.js, compatible with major browsers and devices Reusable React components with clean, modular code State management using React Context, Redux, or other libraries as needed Routing and navigation implemented with React Router or similar Form handling with validation and error feedback Integration of UI with backend APIs Loading indicators, error handling, and user-friendly interactions Basic accessibility compliance (WCAG standards) Optimized performance and lazy loading where applicable
Backend Development (Node.js)
RESTful API development using Express.js or Nest.js Secure user authentication and authorization (JWT, OAuth, or session-based) CRUD operations for your business data Data validation and error handling Middleware implementation for logging, security, and request processing Integration with third-party APIs or services if needed Environment-based configuration (development, staging, production) API documentation (Swagger or similar)
Database (SQL)
Database schema design according to your project needs Efficient SQL queries and stored procedures for CRUD operations Data normalization and indexing for performance optimization Implementation of relationships (one-to-one, one-to-many, many-to-many) Backup and recovery recommendations Basic database security measures (user roles, permissions)
Testing and Quality Assurance
Unit testing for critical frontend and backend components Basic end-to-end testing (optional) Debugging and bug fixes before delivery Code review and best practice adherence
Starting at$25 /hr
Tags
ExpressJS
Node.js
React
TypeScript
Backend Engineer
Frontend Engineer
Web Developer
Service provided by
Sandhya Kethineni Chennai, India
Web Developer | React.js | Node.js | SQLSandhya Kethineni
Starting at$25 /hr
Tags
ExpressJS
Node.js
React
TypeScript
Backend Engineer
Frontend Engineer
Web Developer
Cover image for Web Developer | React.js | Node.js | SQL
Hi! I’m Sandhya, a full-stack web developer specializing in building scalable, performant web applications using React, Node.js, and SQL databases.
What I offer:
Modern, responsive frontend development using React.js
Robust backend APIs and server logic with Node.js (Express, Nest.js, etc.)
Database design, management, and optimization using SQL (MySQL, PostgreSQL, MSSQL)
Integration of frontend and backend for seamless user experience
RESTful API development and integration
Debugging, testing, and deployment assistance
Performance optimization and best coding practices
Why choose me?
[8]+ years of experience in full-stack development
Clean, maintainable, and scalable code
Strong problem-solving skills and attention to detail
Effective communication and timely delivery
Client-focused approach to meet your unique needs
Typical projects I handle:
Single-page applications (SPAs) with React
REST API backend services with Node.js
Database-driven apps with SQL data storage
Dashboards, admin panels, and user portals
Integration with third-party APIs and services
Let’s build your next web app!
Feel free to message me for a free consultation or project estimate.

What's included

Frontend Development (React.js)
Responsive user interface built with React.js, compatible with major browsers and devices Reusable React components with clean, modular code State management using React Context, Redux, or other libraries as needed Routing and navigation implemented with React Router or similar Form handling with validation and error feedback Integration of UI with backend APIs Loading indicators, error handling, and user-friendly interactions Basic accessibility compliance (WCAG standards) Optimized performance and lazy loading where applicable
Backend Development (Node.js)
RESTful API development using Express.js or Nest.js Secure user authentication and authorization (JWT, OAuth, or session-based) CRUD operations for your business data Data validation and error handling Middleware implementation for logging, security, and request processing Integration with third-party APIs or services if needed Environment-based configuration (development, staging, production) API documentation (Swagger or similar)
Database (SQL)
Database schema design according to your project needs Efficient SQL queries and stored procedures for CRUD operations Data normalization and indexing for performance optimization Implementation of relationships (one-to-one, one-to-many, many-to-many) Backup and recovery recommendations Basic database security measures (user roles, permissions)
Testing and Quality Assurance
Unit testing for critical frontend and backend components Basic end-to-end testing (optional) Debugging and bug fixes before delivery Code review and best practice adherence
$25 /hr