You will get API Development | API Integration | Web API | RESTful API | Fast API
Top Rated
Project details
**Expert .NET Backend Developer | Scalable APIs & Server Solutions**
I’m a seasoned .NET backend developer with a focus on ASP.NET Core & Web API, crafting robust, secure, and high-performance backend systems tailored to your business needs.
💼 Services I Offer:
✅ Custom REST API Development
✅ API Integration & Optimization
✅ Database Design & Management
✅ Server Development & Deployment
✅ Cloud Configuration & Security
🛠 Technologies & Tools I Excel In:
🔹 ASP.NET Core & Web API – Backend & API Development
🔹 SQL Server, MySQL, PostgreSQL, Firebase – Database Management
🔹 AWS, Azure, Google Cloud – Cloud Deployment & Management
🔹 Postman – API Testing & Debugging
I specialize in building APIs from scratch and deploying them seamlessly on your cloud servers, ensuring efficiency, security, and reliability. Let’s bring your backend vision to life!
📩 Message me before placing an order so we can discuss your project and deliver the perfect solution.
I’m a seasoned .NET backend developer with a focus on ASP.NET Core & Web API, crafting robust, secure, and high-performance backend systems tailored to your business needs.
💼 Services I Offer:
✅ Custom REST API Development
✅ API Integration & Optimization
✅ Database Design & Management
✅ Server Development & Deployment
✅ Cloud Configuration & Security
🛠 Technologies & Tools I Excel In:
🔹 ASP.NET Core & Web API – Backend & API Development
🔹 SQL Server, MySQL, PostgreSQL, Firebase – Database Management
🔹 AWS, Azure, Google Cloud – Cloud Deployment & Management
🔹 Postman – API Testing & Debugging
I specialize in building APIs from scratch and deploying them seamlessly on your cloud servers, ensuring efficiency, security, and reliability. Let’s bring your backend vision to life!
📩 Message me before placing an order so we can discuss your project and deliver the perfect solution.
Programming Languages
Python, ASP.NET, C#Coding Expertise
Performance Optimization, Security, W3C Markup Validation ServiceWhat's included
| Service Tiers |
Starter
$400
|
Standard
$650
|
Advanced
$1,350
|
|---|---|---|---|
| Delivery Time | 3 days | 6 days | 12 days |
Number of Revisions | 1 | 2 | 3 |
Design Customization | |||
Content Upload | |||
Responsive Design | |||
Source Code |
Optional add-ons
You can add these on the next page.
Additional Revision
+$40Frequently asked questions
17 reviews
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RD
Richard D.
Aug 12, 2025
Developer needed .Net, Angular, SQL, LDAP
It has been an absolute pleasure working with Nipun on our project. Their expertise in both Angular and .NET is exceptional. From the start, Nipun demonstrated a clear understanding of our requirements and provided insightful suggestions that significantly enhanced the quality of our application.
I highly recommend Nipun to anyone looking for a skilled, reliable, and professional Angular .NET programmer. I look forward to working with them again in the future!
I highly recommend Nipun to anyone looking for a skilled, reliable, and professional Angular .NET programmer. I look forward to working with them again in the future!
AR
Alex R.
Jun 3, 2025
.NET API Developer Needed for RESTful API Development
KE
Kevin E.
Jun 12, 2024
Asp. Net full stack developer
PR
Preetham R.
Apr 1, 2024
.Net Developer
AC
Adam C.
Feb 8, 2024
ASP.NET / VB.NET Developer for existing app - 2nd Developer
About Nipun
Senior .NET/C# Developer | Angular/ React Developer, AWS/Azure expert|
99%
Job Success
Bijnor, India - 2:20 pm local time
Need a senior developer to build, modernize, or scale your application?
I’m a Senior .NET/C# Full-Stack Developer with extensive experience building enterprise applications, SaaS platforms, REST APIs, cloud solutions, and scalable business systemsusing .NET, Angular, React, AWS, and Azure.
🏆 Top Rated Plus on Upwork
⭐ 99% Job Success Score
⏱ 9,900+ Hours Worked
💼 35+ Successful Upwork Projects
🚀 .NET & BACKEND DEVELOPMENT
✅ C# | ASP.NET Core | .NET 6/7/8/9/10
✅ Web API | REST APIs | Microservices
✅ Entity Framework / EF Core
✅ SaaS & Enterprise Applications
✅ Third-Party API Integrations
🎨 ANGULAR & REACT
✅ Angular 7–17+
✅ React.js
✅ TypeScript & JavaScript
✅ Responsive & High-Performance UI
✅ API Integration & Frontend Architecture
☁️ AWS & AZURE
✅ AWS EC2 | Lambda | S3 | RDS
✅ Azure App Services | Functions | Azure SQL
✅ Cloud Migration & Architecture
✅ CI/CD | Azure DevOps | Docker
✅ Deployment & Production Support
🗄️ DATABASE & OPTIMIZATION
✅ SQL Server | PostgreSQL | MySQL
✅ Database Design & Query Optimization
✅ Performance Tuning & Data Migration
🔧 LEGACY MODERNIZATION
I can help upgrade and modernize legacy .NET applications, improve performance, refactor architecture, migrate to **AWS/Azure**, and introduce modern Angular/React frontends.
#WHY WORK WITH ME?
✅ Senior-level technical ownership
✅ Clean, scalable, and maintainable code
✅ Strong backend + frontend expertise
✅ AWS & Azure cloud experience
✅ Business-focused development approach
✅ Reliable communication and long-term support
Whether you’re building a new SaaS product, modernizing an existing .NET application, developing an Angular/React frontend, or migrating to AWS/Azure**, I can help take your project from idea to production.
Let’s discuss your requirements and find the right technical approach.
𝐊𝐞𝐲𝐰𝐨𝐫𝐝𝐬:
#.Net #CSharp #ASPNetCore #Angular #React #AWS #Azure #FullStackDeveloper #TypeScript #SQLServer #APIDevelopment #Microservices #CloudArchitecture #DevOps #SaaSDevelopment
Steps for completing your project
After purchasing the project, send requirements so Nipun can start the project.
Delivery time starts when Nipun receives requirements from you.
Nipun works on your project following the steps below.
Revisions may occur after the delivery date.
Requirement Analysis & Planning
API Design & Database Structure