You will get create REST APIs using Node Express or Spring Boot
Top Rated
Top Rated
Project details
Do you need a clean, secure backend API for your website, web app, admin dashboard, SaaS MVP, or mobile app?
I will create REST APIs using Node.js, Express.js, NestJS, or Java Spring Boot with database integration using PostgreSQL, MySQL, or MongoDB. Your backend will be structured, easy to maintain, and ready to connect with your frontend or mobile app.
This offer is suitable for:
REST API development, backend development, CRUD APIs, admin dashboard backends, mobile app backends, authentication APIs, database integration, API bug fixing, third-party API integration, SaaS backend development, and business web application backends.
You will receive:
• Backend API setup
• REST API endpoint development
• Clean folder structure
• Database connection
• Request validation
• Error handling
• API testing
• Short API documentation
• Authentication or role-based access depending on package
The Basic package includes up to 2 simple API endpoints. For authentication, roles, advanced database design, payment APIs, third-party integrations, deployment, or larger backend systems, please choose the right package/add-on or message me before ordering.
I will create REST APIs using Node.js, Express.js, NestJS, or Java Spring Boot with database integration using PostgreSQL, MySQL, or MongoDB. Your backend will be structured, easy to maintain, and ready to connect with your frontend or mobile app.
This offer is suitable for:
REST API development, backend development, CRUD APIs, admin dashboard backends, mobile app backends, authentication APIs, database integration, API bug fixing, third-party API integration, SaaS backend development, and business web application backends.
You will receive:
• Backend API setup
• REST API endpoint development
• Clean folder structure
• Database connection
• Request validation
• Error handling
• API testing
• Short API documentation
• Authentication or role-based access depending on package
The Basic package includes up to 2 simple API endpoints. For authentication, roles, advanced database design, payment APIs, third-party integrations, deployment, or larger backend systems, please choose the right package/add-on or message me before ordering.
Programming Languages
JavaScript, Java, TypeScriptCoding Expertise
Cross Browser & Device Compatibility, Performance Optimization, SecurityWhat's included
| Service Tiers |
Starter
$60
|
Standard
$160
|
Advanced
$320
|
|---|---|---|---|
| Delivery Time | 1 day | 2 days | 4 days |
Number of Revisions | 3 | 0 | 0 |
Design Customization | |||
Content Upload | |||
Responsive Design | |||
Source Code |
Optional add-ons
You can add these on the next page.
Fast Delivery
+$40 - $80
Extra API Endpoint
(+ 1 Day)
+$30
PostgreSQL Setup
(+ 1 Day)
+$50
Backend Deployment
(+ 2 Days)
+$100Frequently asked questions
6 reviews
(6)
(0)
(0)
(0)
(0)
This project doesn't have any reviews.
NA
Niyaz A.
Nov 27, 2025
FLS Project Development
This freelancer has been incredible to work with; they really listen and make everything feel easy and comfortable. Their communication and professionalism stand out, and I genuinely look forward to continuing the collaboration.
AE
Anas E.
Oct 5, 2025
FULLsta
excellent work, fast, professional and very responsive
MS
Muhammad S.
Nov 20, 2024
Designing and implementing a modern web app using MERN stack
He is a excellent at Full Stack Web App Development using Node JS, React Js, Next Js, JavaScript and have a good communication skills, I always recommend him for the nexts tasks.
MS
Muhammad S.
Nov 3, 2024
Designing and implementing a modern web app using MERN stack
Sandaruwan completed my MERN stack project on time and with great quality. He communicated well, delivered each milestone as promised, and his expertise improved the final result. Highly recommended!
MS
Muhammad S.
Mar 20, 2024
Spring Boot Assignment Blood Management System
He is expert at Java Spring boot & has exceptional skills and knowledge. Great experience with him.
About Sandaruwan
Full Stack Developer | React.js | Node.js | Spring Boot | MVP Expert
100%
Job Success
Kurunegala, Sri Lanka - 6:46 am local time
━━━ WHAT I BUILD FOR YOU ━━━
SaaS MVP from scratch: database design, REST API, user auth, admin dashboard, Stripe billing, deployment
React / Next.js frontends: responsive UI, SSR/SSG, SEO-optimized pages, Figma-to-code, TypeScript
Node.js & Spring Boot backends: secure REST APIs, role-based access control, real-time data, webhooks
eCommerce & admin portals: product management, order flows, payment integration, analytics dashboards
Third-party integrations: Stripe, payment gateways, OAuth, external APIs, microservices
Performance optimization, bug fixes, code reviews, and long-term maintenance
━━━ TECH STACK ━━━
Frontend: React.js, Next.js, TypeScript, JavaScript (ES6+), Tailwind CSS, Redux
Backend: Node.js, Express.js, NestJS, Java, Spring Boot, REST API, GraphQL
Database: PostgreSQL, MySQL, MongoDB - schema design, query optimization, migrations
DevOps & Cloud: Docker, AWS (EC2, S3), CI/CD pipelines, Vercel, Heroku
Payments: Stripe subscriptions, one-time payments, webhooks, billing portals
━━━ HOW I WORK ━━━
Start with a short scoping call or message to lock down requirements, data model, and milestones upfront - no surprises.
Deliver in milestones with check-ins so you always know progress and can course-correct early.
Hand off clean, documented code. Available for post-launch support.
I reply within 1 hour. Send me your requirements, wireframes, or repo and I'll respond with a clear plan, timeline, and honest risk assessment.
Full stack developer | React developer | Next.js developer | Node.js developer | MERN stack developer | JavaScript developer | TypeScript developer | SaaS developer | MVP developer | Spring Boot developer | NestJS developer | API developer | eCommerce developer | Admin dashboard developer | React Next.js Node.js developer | Full stack SaaS MVP | Spring Boot REST API developer | Stripe payment integration developer | PostgreSQL Node.js developer
Steps for completing your project
After purchasing the project, send requirements so Sandaruwan can start the project.
Delivery time starts when Sandaruwan receives requirements from you.
Sandaruwan works on your project following the steps below.
Revisions may occur after the delivery date.
Send API Requirements
Please share your API requirements, preferred technology, database needs, endpoint list, authentication needs, and any existing frontend/backend details.
Confirm Scope and API Plan
I will review your requirements and confirm the API structure, endpoints, data flow, database needs, and selected package scope before development starts.