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English
$
USD
I will build a rest API using nodejs express or python fastapi
Eranga Mdw
5.0
5.0
About this gig
I will build a fast, secure, and scalable REST API for your web or mobile application using Node.js (Express) or Python (FastAPI).
If you need a reliable backend to power your application, automate processes, or connect systems, I can help you build a clean and production-ready API.
What I can do for you:
- Develop REST APIs using Node.js (Express) or FastAPI
- Design clean and scalable backend architecture
- Build secure endpoints with authentication (JWT)
- Integrate databases (MongoDB, PostgreSQL, MySQL)
- Create CRUD operations and business logic
- API integration with third-party services
- Error handling and performance optimisation
Why choose me:
- 6+ years of software engineering experience
- Strong backend and API development expertise
- Clean, maintainable, and well-structured code
- Focus on performance, security, and scalability
- Clear communication and on-time delivery
What you will get:
- Fully functional REST API
- Clean and organised source code
- Documentation for endpoints
- Support and revisions based on your package
Please contact me before placing an order so we can discuss your requirements and choose the best solution for your project.
Get to know Eranga Mdw
Eranga Mdw
AI and Backend Engineer NodeJS Python FastAPI React
- FromSri Lanka
- Member sinceMar 2021
- Avg. response time1 hour
- Last delivery1 month
Languages
English, Sinhala
I am a Software Engineer with 6+ years of experience building scalable backend systems and AI-powered applications.
I specialise in AI chatbot development (ChatGPT, RAG), backend development (Node.js, FastAPI), REST APIs, and real-time systems.
I focus on delivering reliable, high-performance solutions that solve real business problems with clean and maintainable code.
My Portfolio
Other Software Development Services I Offer
FAQ
What do you need to get started?
I will need your project requirements, API functionality details, preferred technology (Node.js or FastAPI), and any reference examples if available.
Can you build APIs for my existing project?
Yes, I can integrate new APIs into your existing application or improve your current backend system.
Do you provide database integration?
Yes, I can integrate databases such as MongoDB, PostgreSQL, or MySQL depending on your project requirements.
Will the API be secure?
Yes, I implement best practices such as authentication (JWT), input validation, and secure architecture to protect your API.
Can you deploy the API?
Yes, I can help deploy your API to cloud platforms if required. Please contact me before ordering for deployment-related work.
Do you provide documentation?
Yes, I provide clear API documentation so you can easily understand and use the endpoints.
Which package should I choose?
It depends on your requirements. Basic is for simple APIs, Standard is for database-backed APIs, and Premium is for complete scalable systems. Feel free to message me for guidance.
Do I need to contact you before placing an order?
Yes, I recommend discussing your requirements first to ensure the best solution and smooth delivery.
Reviews
1 reviews for this Gig
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S sara_paba
United Kingdom
I had a great experience working with this seller. I initially asked for a basic REST API, but what I received was far beyond my expectations. He built a really well-structured API with proper authentication and authorisation, using Node.js, Express, and MongoDB. The code is clean, organised, and easy...
Up to $50
Price
1 day
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E 
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Helpful?
Reviews
1 reviews for this Gig
| (1) | ||
| (0) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
S sara_paba
United Kingdom
I had a great experience working with this seller. I initially asked for a basic REST API, but what I received was far beyond my expectations. He built a really well-structured API with proper authentication and authorisation, using Node.js, Express, and MongoDB. The code is clean, organised, and easy...
Up to $50
Price
1 day
Duration
E Seller's Response
Helpful?
