Book a Development & IT Consultation with Ajith K. | Upwork

Development & IT Consultation with Ajith K.

5.0 · 25 reviews

As an AI Solutions Architect and Senior .NET Software Architect, I help businesses build AI-powered applications, custom software, SaaS platforms, desktop solutions, and enterprise systems.

I can help with:

• AI Integration (OpenAI, Claude & Gemini)
• AI Agents & Workflow Automation
• ASP.NET Core & .NET 10 Architecture
• REST APIs & Third-Party Integrations
• Custom Software & SaaS Development
• Desktop Applications (.NET MAUI & Avalonia)
• WordPress Development & Integrations
• SQL Server, PostgreSQL & Database Design
• Clean Architecture & Microservices
• Azure, AWS, Docker & CI/CD
• Performance Optimization
• Legacy System Modernization
• Code Reviews & Debugging

Ask me about:

• AI implementation & automation
• Software architecture
• Scalability & performance
• API design & security
• Cloud deployment
• Technical planning
• Development best practices
• Architecture reviews

Get personalized advice on:

AI Integration Ecommerce Development Web Programming Website Builders & CMS WordPress asp.net core wordpress .net core asp.net .net stack

You’re covered with payment protection so you can cancel and get a full refund up to 24 hours before your consultation.

About Ajith

.NET Developer .NET Architect .NET Expert ASP.NET Core MVC, C#, SEO

93% Job Success

5.0 (25 reviews)

Thoothukudi, India - 1:46 pm local time

Full Stack Senior .NET Developer and .NET Architect specializing in SaaS application development, enterprise software architecture, backend engineering, and scalable cloud solutions. With years of practical experience, I build secure, high-performance web platforms using .NET, ASP.NET Core, Azure, SQL Server, and JavaScript frameworks, helping businesses launch reliable digital products faster.

⚙️ Backend Expertise

🌳 .NET Framework, ASP.NET Core, C#
🌳 Scalable REST API Development, Backend Integration
🌳 Microservices, Distributed Systems
🌳 Secure Authentication & Authorization using JWT, OAuth
🌳 Role-Based Access Control, Identity Management
🌳 Clean Architecture

🖼️ Frontend Expertise

🔸 .NET MAUI, Avalonia UI, Blazor, Razor Pages
🔸 Vanilla JavaScript Expert
🔸 ReactJS, NextJS, AngularJS
🔸 Responsive Web Design
🔸 HTML5, CSS3, Bootstrap, Tailwind CSS
🔸 AJAX & REST API Integration
🔸 UI/UX Implementation

🛢 Database Expertise

🌿 Database Architecture
🌿 SQL Server Performance Tuning
🌿 MSSQL, MySQL, PostgreSQL
🌿 Azure SQL, MongoDB, ElasticSearch
🌿 Query Optimization and Data Modeling

🌐 Domain Expertise

🔸 Healthcare Application Development
🔸 SEO Platforms and Marketing Tools
🔸 Cybersecurity Software Solutions
🔸 E-Commerce Platforms
🔸 SaaS Products

☁️ Cloud Expertise

🌱 Microsoft Azure, AWS, Google Cloud Infrastructure
🌱 Nginx Configuration
🌱 Docker, DevOps, CI/CD Pipelines, and Release Automation
🌱 Microsoft Azure Services
🌱 Application Performance Optimization
🌱 Monitoring, Logging, and Reliability Engineering

💼 Services I Provide

🔸 Custom SaaS Product Development from MVP to Production Release
🔸 Enterprise Web Application Development with Secure and Scalable Architecture
🔸 REST API Development, Third-Party Integrations, and Backend Modernization
🔸 Modern Frontend Interfaces with Clean UX and Responsive Design
🔸 Cloud Hosting, Infrastructure Optimization, and Deployment Automation
🔸 Ongoing Product Maintenance, Feature Expansion, and Technical Support

🌟 Recent Integrations

🌲 Amazon SP API / MWS Migration
🌲 Burp Suite Automation / ZAP Integration
🌲 Stripe / PayPal / Razorpay / SlimCD
🌲 OpenAI / Claude / Gemini APIs

Keywords

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C# Developer Upwork
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.NET Backend Developer Upwork
.NET API Developer Upwork
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Microservices Developer Upwork
Enterprise Application Developer Upwork
SaaS Application Developer Upwork
Cloud Application Developer Upwork
Azure .NET Developer Upwork
SQL Server Developer Upwork
Database Architecture Specialist Upwork
Performance Optimization Specialist Upwork
Software Maintenance & Support Upwork
Application Migration & Upgrade Services Upwork
Third-Party Integration Specialist Upwork

Core Skills

.NET 10, C#, ASP.NET Core, Entity Framework Core, Blazor, Razor Pages, .NET MAUI, Avalonia UI, React, Next.js, JavaScript, TypeScript, SQL Server, PostgreSQL, MySQL, MongoDB, Redis, Azure, AWS, Docker, REST APIs, SignalR, OpenAI, Claude, Gemini, Semantic Kernel, RAG, MCP, AI Agents, AI Automation, WordPress, WooCommerce, Microservices, Clean Architecture, DevOps, CI/CD, Enterprise Software, SaaS Development, Desktop Applications, Mobile Solutions.
ASP.NET Webform, VB.NET, ASP.NET Core, NETMUAI, C#, Blazor, Microservices, Azure, SQL Server, Web API, Angular, Docker, DevOps, Cloud Architecture, SSRS, Enterprise Applications, Legacy application, Stripe Integration, PayPal API, Payment Processing, Third-Party APIs

What to expect

Schedule the consultation

Choose from the freelancer’s available days and times.

Get advice for your custom needs

Share details about your project and what you want to talk about. The freelancer will review and reach out if they have questions.

Join the video meeting

1-on-1 meeting with the freelancer to discuss your needs and project.

Approve the work

The freelancer will finish up the documents you asked for and send them to you for approval:

Before the consultation

Here’s what Ajith will need to know before you meet

Tell me about your project, application, or technical challenges, and the topics you want to discuss such as architecture, APIs, performance, database design, deployment, integrations, or scaling.

Frequently asked questions

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.NET Core Hotel Association Portal Website highly recommend The quality exceeded my expectations, and the entire experience was smooth from start to finish.

Visual Studio C# .NET SQL Issue Resolution Ajith was great to work with and incredibly knowledgeable. I’d highly recommend him if you run into any roadblocks like we did.

He helped us get a new ASP.NET C# project running in Visual Studio 2026 after moving from our older 2012 setup. We ran into several version‑related issues—scope errors, SQL connectivity, a small code bug, IE configuration, and publishing—but he walked us through all of it.

We wouldn’t have met our deadline without his expertise.

Web API Integration Specialist Needed

.NET Developer Thank you for a fast and good result!

Scrap websites and turn them into the required JSON Format