You will get C#, .NET Stack, React, Angular, Open AI, DevOps, Cloud Services
Top Rated
Project details
โก.๐๐๐ + ๐๐ฉ๐๐ง๐๐ ๐๐๐ ๐๐๐ฏ๐๐ฅ๐จ๐ฉ๐ฆ๐๐ง๐ญ ๐๐๐ซ๐ฏ๐ข๐๐๐ฌ
๐Below are the premium services included in my package:
โช๏ธComplete ChatGPT integration in your .NET app
โช๏ธSecure API setup, authentication, and backend linking
โช๏ธSmart prompts, memory, and multi-turn chats
โช๏ธReal-time DB/API and business logic integration
โช๏ธStrong security, rate limits, logging, and optimization
โช๏ธFull testing, debugging, deployment, and documentation
๐ ๐๐ก๐ฒ ๐ ๐๐ฆ ๐ญ๐ก๐ ๐๐๐ฌ๐ญ ๐ ๐ข๐ญ ๐๐จ๐ซ ๐๐จ๐ฎ๐ซ ๐๐ซ๐จ๐ฃ๐๐๐ญ
13+ years of expertise in C#, ASP.NET Core, and scalable backend development
Proven experience in ChatGPT / OpenAI API integration
Strong command over prompt engineering and conversational AI workflows
Ability to build secure, high-performance .NET applications
Clean, maintainable, and future-proof coding standards
Fast communication and transparent, professional collaboration
End-to-end coverage: development, testing, and deployment
Commitment to long-term stability, reliability, and client satisfaction
Just go to my PROFILE and send me the job invite. You can send the requirements directly on the Upwork chat box. If you want to schedule a call then I am open as well.
๐Below are the premium services included in my package:
โช๏ธComplete ChatGPT integration in your .NET app
โช๏ธSecure API setup, authentication, and backend linking
โช๏ธSmart prompts, memory, and multi-turn chats
โช๏ธReal-time DB/API and business logic integration
โช๏ธStrong security, rate limits, logging, and optimization
โช๏ธFull testing, debugging, deployment, and documentation
๐ ๐๐ก๐ฒ ๐ ๐๐ฆ ๐ญ๐ก๐ ๐๐๐ฌ๐ญ ๐ ๐ข๐ญ ๐๐จ๐ซ ๐๐จ๐ฎ๐ซ ๐๐ซ๐จ๐ฃ๐๐๐ญ
13+ years of expertise in C#, ASP.NET Core, and scalable backend development
Proven experience in ChatGPT / OpenAI API integration
Strong command over prompt engineering and conversational AI workflows
Ability to build secure, high-performance .NET applications
Clean, maintainable, and future-proof coding standards
Fast communication and transparent, professional collaboration
End-to-end coverage: development, testing, and deployment
Commitment to long-term stability, reliability, and client satisfaction
Just go to my PROFILE and send me the job invite. You can send the requirements directly on the Upwork chat box. If you want to schedule a call then I am open as well.
Programming Languages
JavaScript, ASP.NET, C#Coding Expertise
Cross Browser & Device Compatibility, Performance Optimization, DesignWhat's included
| Service Tiers |
Starter
$450
|
Standard
$750
|
Advanced
$1,650
|
|---|---|---|---|
| Delivery Time | 2 days | 5 days | 10 days |
Number of Revisions | 1 | 2 | 5 |
Number of Pages | 1 | 5 | 8 |
Design Customization | |||
Content Upload | - | ||
Responsive Design | |||
Source Code |
Frequently asked questions
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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, Indiaย - 10:06 pm local time
Need a senior developer to build, modernize, or scale your application?
Iโm 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.
๐ Top Rated Plus on Upwork
โญ 99% Job Success Score
โฑ 9,900+ Hours Worked
๐ผ 35+ Successful Upwork Projects
๐ .NET & BACKEND DEVELOPMENT
โ C# | ASP.NET Core | .NET 6/7/8/9/10
โ Web API | REST APIs | Microservices
โ Entity Framework / EF Core
โ SaaS & Enterprise Applications
โ Third-Party API Integrations
๐จ ANGULAR & REACT
โ Angular 7โ17+
โ React.js
โ TypeScript & JavaScript
โ Responsive & High-Performance UI
โ API Integration & Frontend Architecture
โ๏ธ AWS & AZURE
โ AWS EC2 | Lambda | S3 | RDS
โ Azure App Services | Functions | Azure SQL
โ Cloud Migration & Architecture
โ CI/CD | Azure DevOps | Docker
โ Deployment & Production Support
๐๏ธ DATABASE & OPTIMIZATION
โ SQL Server | PostgreSQL | MySQL
โ Database Design & Query Optimization
โ Performance Tuning & Data Migration
๐ง 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?
โ Senior-level technical ownership
โ Clean, scalable, and maintainable code
โ Strong backend + frontend expertise
โ AWS & Azure cloud experience
โ Business-focused development approach
โ Reliable communication and long-term support
Whether youโre 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.
Letโs discuss your requirements and find the right technical approach.
๐๐๐ฒ๐ฐ๐จ๐ซ๐๐ฌ:
#.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.
Project Setup & API Configuration
Prompt & Flow Design