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Esplora
Fiverr Pro
Italiano
$
USD
Abdul Basit
@malik_79
web Developer delievering quality work
Pakistan
Urdu, Inglese
Chi sono
Hi, I'm Abdul Basit, a Node.js Backend Developer specializing in building and fixing APIs and server-side applications. I help startups, students, and developers solve backend issues quickly.
My expertise includes Node.js, Express.js, REST APIs, JWT authentication, MongoDB, and backend debugging. I have built real-world projects including eCommerce and role-based systems.
If your backend has errors, needs APIs, or authentication setup, I’m here to help deliver reliable solutions.
Competenze
Abdul Basit
offline •
Tempo di risposta medio: 1 ora
Consulta i miei servizi
Correzione di bug
I will debug and fix node js expressjs and mongodb apis
API e integrazioni
I will do rest API development with nodejs, expressjs and mongodb
Portfolio
Esperienza lavorativa
Api Developer
Techsofts • Freelance
Jun 2025 - Present • 11 mos
Deliver custom backend solutions for clients using Node.js, Express.js, and databases (MongoDB/MySQL/Sequelize). Build RESTful & GraphQL APIs, handle authentication, authorization, and role-based access. Integrate payment gateways, email services, cloud APIs, and other third-party tools. Ensure performance, scalability, and security with caching, middleware optimization, and data validation. Manage file uploads/downloads, data streaming, and server-side logic for complex applications. Provide full-stack support by collaborating with front-end developers and maintaining clear API documentation. Use testing, debugging, and monitoring tools to deliver reliable, production-ready applications. Successfully completed projects that reduced server response times, handled high traffic, and automated client workflows.
Backend Developer Intern
Global Link • Full time
Feb 2025 - May 2025 • 3 mos
Designed, developed, and maintained robust backend systems using Node.js and Express.js. Built and optimized RESTful and GraphQL APIs for seamless client-server communication. Implemented authentication & authorization mechanisms including JWT, OAuth, and role-based access control. Managed databases with MongoDB, MySQL, and Sequelize, including schema design, indexing, and query optimization. Integrated third-party services such as payment gateways, email services, and cloud APIs. Handled server-side logic, data validation, and error handling for secure and reliable applications. Ensured performance, scalability, and security through caching, rate limiting, and middleware optimization. Implemented file handling, upload/download, and data streaming features. Collaborated closely with front-end developers to deliver full-stack solutions and maintain API documentation. Monitored and debugged applications using logging, monitoring, and testing tools (unit tests, Postman, Jest).
