You will get small API and feature development in asp.net core

Yi L.Status: Offline
Yi L. Yi L.

Let a pro handle the details

Buy Web Application Programming services from Yi, priced and ready to go.
Yi L.Status: Offline
Yi L. Yi L.

Let a pro handle the details

Buy Web Application Programming services from Yi, priced and ready to go.

Project details

Looking for a seasoned full-stack engineer to build small features or REST APIs for your ASP.NET Core C# app? With 17 years of experience, I deliver clean, scalable, production-ready code to enhance your app without full-project hassle.

I create API endpoints, small features or custom integrations aligned with your tech stack, following .NET best practices.



What I can develop:

RESTful APIs using ASP.NET Core MVC (C#)
Small features (user roles, form submissions, data filters)
Third-party API integrations (Sign in, payment, SMS, email)
Data validation, error handling and API documentation
Frontend-backend integration and database CRUD ops
Why choose me:

17+ years of .NET Core C# development expertise
Clean, maintainable, well-documented code (easy to integrate)
Fast delivery focused on small-task results
Full tech stack compatibility
Please share your requirements to enhance your app with professional code!
Programming Languages
ASP.NET, TypeScript, C#
Coding Expertise
Cross Browser & Device Compatibility, Performance Optimization, Security
What's included
Service Tiers Starter
$20
Standard
$30
Advanced
$50
Delivery Time 2 days 3 days 4 days
Number of Revisions
000
Design Customization
Content Upload
Responsive Design
Source Code
Yi L.Status: Offline

About Yi

Yi L.Status: Offline
ASP.NET Core Full-Stack Developer | C#/React/React Native/SQL Server
Chengdu, China - 4:08 am local time
I'm a software developer with 17 years of full-stack experience in ASP.NET (C#).

Domains of Expertise
- I specialize in building multi-portal online appointment platforms (serving clinics, med spas, salons, vets, and wellness businesses), ERP, CRM, warehouse management systems, OA(office automation/workflow management platforms), IoT applications, data governance systems, and e-commerce platforms.

Technical Stack
- My primary tech stack is ASP.NET Core + React (Next.js) + SQL Server, and I am equally proficient with Vue, jQuery, JavaScript/TypeScript, Bootstrap, Git, MySQL, Oracle, PostgreSQL, MongoDB, Redis, RabbitMQ, and Visual Studio.

DevOps & Automation
- I design and implement CI/CD pipelines and DevOps workflows using Azure DevOps and GitHub Actions to enable automated builds, testing, and deployments.

AI-Augmented Development
- I actively leverage AI-assisted development tools including Cursor, Copilot, and Claude Code to accelerate coding, improve accuracy, and boost productivity—without compromising code quality or industry best practices.

Collaboration & Delivery
- Whether working independently or as part of a team, I deliver high-quality, scalable, and maintainable web and mobile applications. I take your ideas and transform them into reliable software solutions that stand the test of time.

Let's bring your software vision to life with precision and innovation.

Steps for completing your project

After purchasing the project, send requirements so Yi can start the project.

Delivery time starts when Yi receives requirements from you.

Yi works on your project following the steps below.

Revisions may occur after the delivery date.

Send me your requirements.

I will compile the detailed requirements and confirm them with you.

Review the work, release payment, and leave feedback to Yi.