You will get A secure, scalable backend API ready for web or mobile apps
Project details
You will get a secure, scalable, and production-ready backend API built with Node.js, Express.js, and MongoDB. Whether you need a backend for a web application, mobile app, SaaS platform, or startup MVP, I can develop clean and maintainable APIs tailored to your requirements.
My services include REST API development, database design, JWT authentication, role-based access control, third-party API integration, Firebase integration, file uploads, and AI-powered features using services such as OpenAI or Gemini.
I focus on writing clean code, implementing security best practices, and delivering solutions that are easy to maintain and scale. Every project includes source code and clear communication throughout the development process.
If you're looking for a reliable backend developer to turn your idea into a robust backend system, I'm here to help.
My services include REST API development, database design, JWT authentication, role-based access control, third-party API integration, Firebase integration, file uploads, and AI-powered features using services such as OpenAI or Gemini.
I focus on writing clean code, implementing security best practices, and delivering solutions that are easy to maintain and scale. Every project includes source code and clear communication throughout the development process.
If you're looking for a reliable backend developer to turn your idea into a robust backend system, I'm here to help.
Programming Languages
JavaScript, ASP.NET, JavaCoding Expertise
Cross Browser & Device Compatibility, Performance Optimization, SecurityWhat's included
| Service Tiers |
Starter
$59
|
Standard
$199
|
Advanced
$399
|
|---|---|---|---|
| Delivery Time | 3 days | 5 days | 9 days |
Number of Revisions | 2 | 3 | 5 |
Number of Pages | 1 | 2 | 3 |
Design Customization | - | - | - |
Content Upload | - | - | - |
Responsive Design | - | - | - |
Source Code |
Optional add-ons
You can add these on the next page.
Fast Delivery
+$15 - $50
Additional Revision
+$15
Additional API Endpoint
(+ 1 Day)
+$20
JWT Authentication
(+ 1 Day)
+$30
MongoDB Setup/Firebase Integration
(+ 2 Days)
+$50Frequently asked questions
About Sandun
Full-Stack Web & Mobile Developer | ML, React, Flutter, Node.js
Colombo, Sri Lanka - 11:30 am local time
I build scalable digital products from concept to deployment, combining modern web technologies, cross-platform mobile development, and machine learning to create solutions that deliver measurable business value.
My expertise includes:
• Full-Stack Web Development (React.js, Node.js, Express.js, MongoDB, PostgreSQL)
• Cross-Platform Mobile Development (Flutter, React Native)
• AI & Machine Learning Integration (TensorFlow Lite, On-Device ML, Computer Vision)
• REST APIs, Authentication Systems, Real-Time Applications, and Cloud Deployment
• System Architecture, Performance Optimization, and Scalable Design
Over the years, I have developed and delivered a wide range of systems including:
✔ AI-powered facial recognition attendance platforms
✔ Real-time communication and social networking applications
✔ Machine learning mobile apps running entirely on-device
✔ Intelligent productivity and automation solutions
✔ Education management and administration systems
✔ High-traffic web portals serving large student communities
I don't just write code, I help transform ideas into reliable, maintainable, and user-focused products. From planning architecture and selecting the right technology stack to implementation, testing, deployment, and long-term support, I take ownership of the entire development lifecycle.
Clients work with me because I communicate clearly, solve problems efficiently, and focus on delivering solutions that are practical, scalable, and built for real-world use.
If you're looking for a developer who can combine strong engineering fundamentals with modern AI capabilities, I'd be happy to discuss your project.
Steps for completing your project
After purchasing the project, send requirements so Sandun can start the project.
Delivery time starts when Sandun receives requirements from you.
Sandun works on your project following the steps below.
Revisions may occur after the delivery date.
Requirements Review
Review project requirements, documentation, and business needs.
API Architecture & Database Design
Design API structure, database schema, and project architecture.