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Fiverr Pro
English
$
USD
I will create secure rest apis using fast api or node js backend
Hassan K
About this gig
Are you looking for a secure, fast, and production-ready rest api backend for your application using node js, express.js, or fast api?
I will design and develop clean, scalable, and well-structured REST APIs with a strong focus on security, performance, and real-world usability.
Whether you need a completely new backend API or improvements to your existing system, I will deliver a robust and scalable solution tailored to your project needs.
What I Can Do for You
- Custom rest api development from scratch
- node js (express js) or fast api backend setup
- MongoDB / SQL database integration
- Secure authentication (JWT / role-based access control)
- API security implementation (input validation, sanitization, etc.)
- Third-party API integration
- Bug fixing & backend performance optimization
Security & Quality Focus
- Secure architecture design
- Protection against common vulnerabilities
- Clean and maintainable code structure
- Scalable backend design for production use
Why Choose Me?
- Clean, optimized, and scalable backend code
- Fast communication and clear understanding of requirements
Please message me before ordering to discuss your requirements and design the best rest api solution.
Get to know Hassan K
Hassan K
Full Stack Developer,Secure APIs and AI Solutions
- FromPakistan
- Member sinceJun 2025
- Avg. response time1 hour
Languages
Urdu, Hindi, English, Japanese, German
Hello! I am a Full Stack Developer and Machine Learning Engineer specializing in secure web applications and API development.
I help businesses build scalable, fast, and secure systems using Next.js, Node.js, and Python. My expertise includes: secure API design, app security (SAST & DAST), vulnerability assessments, and ML/AI solutions.
I focus on clean code and clear communication to deliver reliable digital products. Let’s discuss your project and bring your idea to life!
My Portfolio
FAQ
What technologies do you use for backend development?
I use node js (express js) and fast api to build fast, secure, and scalable REST APIs. I work with mongodb and sql databases, and can implement jwt authentication, role-based access control, and secure API architecture when needed.
Can you create CRUD APIs for my application?
Yes, I can build complete CRUD (Create, Read, Update, Delete) APIs using node js or fast api with proper database integration. All APIs are well-structured, secure, and ready for production and frontend integration.
Do you handle API integration between systems?
Yes, I can integrate multiple systems using REST APIs built with node js or fast api, ensuring secure data flow, proper authentication, error handling, and smooth communication between services.
Will my backend be scalable and secure?
Yes. I design scalable and secure backend architectures that follow best practices. This includes authentication, input validation, secure database handling, and protection against common API vulnerabilities.
Can you optimize performance for high-traffic applications?
Yes. I optimize APIs for high performance using efficient database queries, clean architecture, caching strategies (if needed), and proper request handling to ensure fast and reliable response times.
Do you provide documentation and post-delivery support?
Yes, I provide basic API documentation and post-delivery support to help you integrate and maintain your backend easily after delivery.
