Hire the Best .NET Core Developers

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Muhammad Awais Q.

Multan, Pakistan

$15/hr
5.0
13 jobs

๐— ๐—ผ๐˜€๐˜ ๐—ฏ๐˜‚๐˜€๐—ถ๐—ป๐—ฒ๐˜€๐˜€ ๐˜€๐—ผ๐—ณ๐˜๐˜„๐—ฎ๐—ฟ๐—ฒ ๐—ฑ๐—ผ๐—ฒ๐˜€๐—ป'๐˜ ๐—ฏ๐—ฟ๐—ฒ๐—ฎ๐—ธ ๐—ฏ๐—ฒ๐—ฐ๐—ฎ๐˜‚๐˜€๐—ฒ ๐—ผ๐—ณ ๐—ฎ ๐—น๐—ฎ๐—ฐ๐—ธ ๐—ผ๐—ณ ๐—ณ๐—ฒ๐—ฎ๐˜๐˜‚๐—ฟ๐—ฒ๐˜€. It breaks because the architecture becomes messy, performance slows down, bugs pile up, and nobody wants to touch the code anymore. If your ASP.NET application is becoming difficult to maintain, scale, or improve, the problem usually starts much deeper than the user interface. ๐—ง๐—ต๐—ฎ๐˜'๐˜€ ๐˜„๐—ต๐—ฒ๐—ฟ๐—ฒ ๐—œ ๐—ฐ๐—ผ๐—บ๐—ฒ ๐—ถ๐—ป. I'm a Full Stack .NET Developer specializing in ASP.NET Core, Blazor, SQL Server, and Azure-based business applications. ๐Ÿ‘‰ I help companies build, modernize, and scale business-critical software that stays fast, secure, and maintainable as the business grows. ๐—ช๐—ต๐—ฎ๐˜ ๐—œ ๐—ฆ๐—ฝ๐—ฒ๐—ฐ๐—ถ๐—ฎ๐—น๐—ถ๐˜‡๐—ฒ ๐—œ๐—ป โœ”๐—ฆ๐—ฎ๐—ฎ๐—ฆ ๐—ฃ๐—น๐—ฎ๐˜๐—ณ๐—ผ๐—ฟ๐—บ ๐——๐—ฒ๐˜ƒ๐—ฒ๐—น๐—ผ๐—ฝ๐—บ๐—ฒ๐—ป๐˜ Scalable SaaS applications built with clean architecture, secure authentication, and long-term maintainability. โœ” ๐—”๐—ฆ๐—ฃ.๐—ก๐—˜๐—ง ๐—–๐—ผ๐—ฟ๐—ฒ ๐—ช๐—ฒ๐—ฏ ๐—”๐—ฝ๐—ฝ๐—น๐—ถ๐—ฐ๐—ฎ๐˜๐—ถ๐—ผ๐—ป๐˜€ Custom business applications designed around your workflows, operations, and user requirements. โœ” ๐—•๐—น๐—ฎ๐˜‡๐—ผ๐—ฟ & ๐—”๐—ฑ๐—บ๐—ถ๐—ป ๐——๐—ฎ๐˜€๐—ต๐—ฏ๐—ผ๐—ฎ๐—ฟ๐—ฑ ๐——๐—ฒ๐˜ƒ๐—ฒ๐—น๐—ผ๐—ฝ๐—บ๐—ฒ๐—ป๐˜ Interactive dashboards, reporting systems, internal portals, and management platforms. โœ” ๐—ฅ๐—˜๐—ฆ๐—ง ๐—”๐—ฃ๐—œ ๐——๐—ฒ๐˜ƒ๐—ฒ๐—น๐—ผ๐—ฝ๐—บ๐—ฒ๐—ป๐˜ & ๐—œ๐—ป๐˜๐—ฒ๐—ด๐—ฟ๐—ฎ๐˜๐—ถ๐—ผ๐—ป๐˜€ Secure APIs with authentication, role-based access, third-party integrations, and business logic automation. โœ” ๐—Ÿ๐—ฒ๐—ด๐—ฎ๐—ฐ๐˜† .๐—ก๐—˜๐—ง ๐— ๐—ผ๐—ฑ๐—ฒ๐—ฟ๐—ป๐—ถ๐˜‡๐—ฎ๐˜๐—ถ๐—ผ๐—ป Upgrade outdated applications, improve performance, remove technical debt, and modernize architecture. โœ” ๐—ฆ๐—ค๐—Ÿ ๐—ฆ๐—ฒ๐—ฟ๐˜ƒ๐—ฒ๐—ฟ ๐—ข๐—ฝ๐˜๐—ถ๐—บ๐—ถ๐˜‡๐—ฎ๐˜๐—ถ๐—ผ๐—ป Database design, query optimization, reporting systems, stored procedures, and performance improvements. โœ” ๐—”๐˜‡๐˜‚๐—ฟ๐—ฒ ๐——๐—ฒ๐—ฝ๐—น๐—ผ๐˜†๐—บ๐—ฒ๐—ป๐˜ & ๐—–๐—น๐—ผ๐˜‚๐—ฑ ๐—ฆ๐—ผ๐—น๐˜‚๐˜๐—ถ๐—ผ๐—ป๐˜€ Reliable cloud deployments, application hosting, monitoring, and infrastructure optimization. ๐—ช๐—ต๐—ฎ๐˜ ๐— ๐—ฎ๐—ธ๐—ฒ๐˜€ ๐— ๐—ฒ ๐——๐—ถ๐—ณ๐—ณ๐—ฒ๐—ฟ๐—ฒ๐—ป๐˜ Many developers focus only on writing code. Very few take time to understand the business processes behind the software. ๐Ÿ‘‰ My approach starts with understanding how your system actually works before making technical decisions. ๐—ง๐—ต๐—ถ๐˜€ ๐—ต๐—ฒ๐—น๐—ฝ๐˜€ ๐—ฑ๐—ฒ๐—น๐—ถ๐˜ƒ๐—ฒ๐—ฟ: โœ” More stable applications โœ” Better scalability for future growth โœ” Cleaner and maintainable codebases โœ” Faster performance and improved reliability โœ” Features that solve real business problems I focus on building software that remains valuable years after launch, not just until the next update. ๐—ง๐˜†๐—ฝ๐—ฒ๐˜€ ๐—ผ๐—ณ ๐—”๐—ฝ๐—ฝ๐—น๐—ถ๐—ฐ๐—ฎ๐˜๐—ถ๐—ผ๐—ป๐˜€ ๐—œ ๐—•๐˜‚๐—ถ๐—น๐—ฑ โ†’ Business Management Systems โ†’ SaaS Platforms & MVPs โ†’ CRM & Internal Business Tools โ†’ Admin Portals & Dashboards โ†’ Reporting & Analytics Systems โ†’ Workflow Automation Platforms โ†’ Enterprise Web Applications โ†’ Role-Based Management Systems ๐—ง๐—ฒ๐—ฐ๐—ต ๐—ฆ๐˜๐—ฎ๐—ฐ๐—ธ & ๐—ง๐—ผ๐—ผ๐—น๐˜€ C# โ€ข ASP.NET Core โ€ข Blazor โ€ข MVC Web API โ€ข Entity Framework Core โ€ข Dapper React.js โ€ข JavaScript โ€ข Bootstrap SQL Server โ€ข PostgreSQL โ€ข MySQL Azure โ€ข Git โ€ข Clean Architecture ๐—ช๐—ต๐˜† ๐—–๐—น๐—ถ๐—ฒ๐—ป๐˜๐˜€ ๐—–๐—ต๐—ผ๐—ผ๐˜€๐—ฒ ๐— ๐—ฒ โœ” Strong understanding of business applications โœ” Clean, scalable, production-ready architecture โœ” Experience modernizing legacy systems โœ” Reliable communication and independent problem-solving โœ” Focus on long-term maintainability, not quick fixes โœ” Secure and performance-focused development Most businesses don't need more software. They need better software that supports growth without creating new problems. That's exactly what I help build. ๐—Ÿ๐—ฒ๐˜'๐˜€ ๐—•๐˜‚๐—ถ๐—น๐—ฑ ๐—ฆ๐—ผ๐—ณ๐˜๐˜„๐—ฎ๐—ฟ๐—ฒ ๐—ง๐—ต๐—ฎ๐˜ ๐—ฆ๐—ฐ๐—ฎ๐—น๐—ฒ๐˜€ ๐—ช๐—ถ๐˜๐—ต ๐—ฌ๐—ผ๐˜‚๐—ฟ ๐—•๐˜‚๐˜€๐—ถ๐—ป๐—ฒ๐˜€๐˜€ If you're looking for a .NET developer who can improve, modernize, or build a business application the right way... ๐—ฆ๐—ฒ๐—ป๐—ฑ ๐—บ๐—ฒ ๐—ฎ ๐—บ๐—ฒ๐˜€๐˜€๐—ฎ๐—ด๐—ฒ ๐˜„๐—ถ๐˜๐—ต ๐˜†๐—ผ๐˜‚๐—ฟ ๐—ฝ๐—ฟ๐—ผ๐—ท๐—ฒ๐—ฐ๐˜ ๐—ฑ๐—ฒ๐˜๐—ฎ๐—ถ๐—น๐˜€. I'll review your requirements, identify potential challenges early, and help you choose the most practical path to a reliable, scalable solution. Keywords: ASP.NET Core developer, Blazor developer, .NET developer, C# developer, SaaS application development, business application developer, REST API developer, SQL Server developer, Azure developer, enterprise web application development, admin dashboard development, .NET modernization, full stack .NET developer, CRM software developer, custom business software.

  • .NET Core
  • .NET Framework
  • Entity Framework
  • SQL
  • ASP.NET MVC
  • ASP.NET Core
  • Microsoft SQL Server
  • ASP.NET Web API
  • JavaScript
  • React
  • jQuery
  • Bootstrap
  • Web Application
  • Microsoft Azure
  • Software Debugging
  • Full-Stack Development
  • C#
  • REST API
  • API Development
  • API Integration
Salman T.

Lahore, Pakistan

$25/hr
4.9
61 jobs

I help businesses build scalable, highโ€‘performance, and maintainable web applications using .NET, ASP.NET Core, Angular, and Azure. With 10+ years of experience in fullโ€‘stack development, backend architecture, REST API development, and cloud deployment, I focus on delivering solutions that are clean, reliable, and built for longโ€‘term growth. My core expertise includes: - .NET and ASP.NET Core development - Angular frontโ€‘end development - RESTful API design and integration - Azure cloud services and deployment - SQL Server database design and optimization - Legacy system modernization - SaaS and enterprise application development I have worked on enterprise web applications, microserviceโ€‘based solutions, and performanceโ€‘focused systems where scalability, security, and maintainability matter most. If you need a Senior .NET Full Stack Developer who understands both technical execution and business impact, I can help turn your requirements into a solid product.

  • .NET Core
  • .NET Framework
  • C#
  • ASP.NET Core
  • ASP.NET MVC
  • ASP.NET Web API
  • .NET Stack
  • Microsoft Azure
  • Azure App Service
  • Microsoft SQL Server
  • ASP.NET
  • API Integration
  • RESTful API
  • Software Architecture
  • Full-Stack Development
  • Angular
  • JavaScript
  • Performance Optimization
Usama I.

Mandi Bahauddin, Pakistan

$35/hr
5.0
14 jobs

I help companies migrate Xamarin applications to .NET MAUI, fix difficult ASP.NET Core issues, and rescue legacy .NET systems that other developers struggle to stabilize. Clients usually hire me when: โ€ข A Xamarin โ†’ .NET MAUI migration is failing or incomplete โ€ข An ASP.NET Core backend issue has remained unresolved โ€ข Performance problems are slowing down production systems โ€ข A legacy .NET application needs modernization without downtime โ€ข A desktop/mobile system requires reliable long-term architecture Recent work includes: โ€ข Migrating production Xamarin apps to .NET MAUI โ€ข Resolving long-standing ASP.NET Core issues unresolved by previous freelancers โ€ข Building high-performance middleware for machine communication โ€ข Developing POS and enterprise systems using ASP.NET Core, Blazor, and WPF I focus on fast diagnosis, maintainable architecture, and reliable delivery with minimal hand-holding. Core Expertise: โ€ข .NET MAUI & Xamarin Migration โ€ข ASP.NET Core MVC / Web API โ€ข Blazor & Enterprise Web Applications โ€ข WPF Desktop Applications โ€ข SQL Server Optimization & Entity Framework Core โ€ข REST APIs & Backend Architecture โ€ข Middleware & Hardware Communication Systems โ€ข Performance Optimization & Debugging Technical Stack: C#, .NET MAUI, Xamarin, ASP.NET Core, Blazor, WPF, Entity Framework Core, SQL Server, SignalR, REST APIs, Azure App Services, Web API, JavaScript Currently working full-time on enterprise ASP.NET Core systems, REST APIs, SQL optimization, and large-scale .NET applications. I communicate clearly, work independently, and write clean, scalable code designed for long-term maintainability.

  • .NET Core
  • .NET Framework
  • ASP.NET Core
  • C#
  • Blazor
  • React
  • SQL
  • Web API
  • Microsoft Azure
  • Entity Framework
  • JavaScript
  • RESTful API
  • Mobile App Development
  • Desktop Application
  • Xamarin
  • SignalR
  • AI Model Integration
  • App Store Upload
  • Microsoft SQL Server Administration
  • iOS Development
Hitesh G.

Surat, India

$15/hr
5.0
35 jobs

.NET Architect | Azure Solutions Architect Expert | 12+ Years | Top Rated | Microsoft Certified I help companies build scalable, production-ready .NET and Azure platforms - microservices, SaaS dashboards, enterprise APIs, CI/CD pipelines, and React/Angular frontends - delivered on time, built to last. As a .NET Architect and Full Stack Developer, I have led end-to-end architecture and delivery for Fortune 500 firms and funded startups across healthcare, finance, logistics, and e-commerce. My work as a .NET Architect combines deep ASP.NET Core backend expertise with Azure cloud-native deployment and modern React/Angular frontends - so you get one engineer who owns the complete system. โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€ WHAT I BUILD AS A .NET ARCHITECT โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€ As a .NET Architect and ASP.NET Core developer, my core delivery includes: - Scalable microservices with .NET 8/10 - clean architecture, CQRS, event-driven design - Azure PaaS deployments - App Service, AKS, Service Bus, Azure SQL, Azure DevOps - React and Angular frontends - SSO, role-based access, real-time dashboards - CI/CD pipelines - GitHub Actions, Azure DevOps, Jenkins - zero-downtime releases - SQL Server and PostgreSQL performance tuning - deadlock resolution, query optimization - Healthcare (HIPAA), finance, and logistics platforms built to compliance standards - ASP.NET Zero multi-tenant SaaS architecture - Full Stack .NET Core + React and .NET Core + Angular applications - API development, API integration, and third-party service connections - SignalR and WebSocket real-time applications - NopCommerce/Shopify and e-commerce platform development โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€ RECENT OUTCOMES โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€ As a .NET Architect and Full Stack Developer, I have delivered: - Designed a healthcare practitioner search platform scaling across AWS with real-time Elasticsearch - Led a US logistics platform revamp using .NET 10 + React + Angular, cutting deployment time significantly - Built 20+ e-commerce platforms processing millions in transactions using ASP.NET Core and NopCommerce/Shopify - Delivered HIPAA-compliant EHR, LIMS, and healthcare SaaS systems for US-based clients - Managed teams of 12 developers on enterprise projects - Migrated legacy .NET applications to Azure with zero production downtime - Resolved deadlock and query performance issues on SQL Server databases with 1M+ records โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€ WHO I WORK WITH โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€ Companies hire me as a .NET Architect and Full Stack Developer when they need: - A .NET Architect who can design and own the full system - An ASP.NET Core developer for scalable backend API and service development - A Full Stack Developer to build React or Angular frontends connected to .NET backends - A SaaS developer to build multi-tenant platforms with ASP.NET Zero - An Azure cloud architect for microservices, AKS, and DevOps pipelines - A SQL Server and database architect for performance-critical systems - A backend developer for healthcare, finance, logistics, or e-commerce platforms - A .NET developer for legacy system modernization and migration to Azure - A Full Stack Developer for enterprise dashboards, CRM tools, and internal platforms โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€ TECHNICAL EXPERTISE โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€ Backend & .NET Development - ASP.NET Core | ASP.NET MVC | ASP.NET Web API - .NET Framework | .NET Core | .NET 6 | .NET 8 | .NET 10 - C# | Entity Framework | CQRS | Clean Architecture | Microservices - Node.js | TypeScript Frontend Development - React | Angular | AngularJS | TypeScript | JavaScript - HTML5 | CSS3 | Bootstrap | Tailwind CSS Cloud & DevOps - Microsoft Azure | AWS | Azure DevOps | GitHub Actions | Jenkins - Docker | Kubernetes (AKS) | CI/CD Pipelines | Azure App Service - Azure Service Bus | Azure SQL | Azure AD | SSO Databases - Microsoft SQL Server | PostgreSQL - Query Optimization | Database Architecture | Database Design - Deadlock Resolution | Index Tuning | Stored Procedures | SSRS Integrations & Platforms - REST API | API Integration | SignalR | WebSockets - Power BI | Elasticsearch | HubSpot | Stripe | Payment Gateways - NopCommerce | WordPress | Shopify AI & Emerging Tech - AI Integration | OpenAI API | ChatGPT Integration | N8n - Real-time Data Pipelines | Automation Workflows โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€ CERTIFICATIONS โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€ - Microsoft Certified: Azure Solutions Architect Expert - Microsoft Certified: Azure Developer Associate - Microsoft Certified Professional Send me a message describing your project. I respond within a few hours and can share a relevant architecture approach on the first call.

  • .NET Core
  • Microsoft Azure
  • C#
  • ASP.NET Core
  • Microservice
  • Azure DevOps
  • React
  • Angular
  • Node.js
  • REST API
  • Docker
  • CI/CD
  • Microsoft SQL Server
  • PostgreSQL
  • Entity Framework
  • TypeScript
  • Kubernetes
  • ASP.NET MVC
  • Microsoft Power BI
  • Software Architecture
Waseem A.

Islamabad, Pakistan

$50/hr
5.0
9 jobs

โœ… Top Rated Plus | 100% Job Success | 6,500+ hours | $200K+ earned on Upwork โœ… Senior .NET Engineer: 17 years building backends that scale under real load โœ… Architecture-level work: high-traffic APIs, system integrations, SQL performance โœ… Delivered for Tractor Supply (Fortune 500), Allivet & Edible Arrangements I build .NET backends that stay fast and correct when the load is real. Most of my work is the hard part, the systems that handle traffic, money and third-party integrations without falling over, and clients usually bring me in when something is slow, duplicating data, or breaking at peak. ๐—ฅ๐—ฒ๐—ฐ๐—ฒ๐—ป๐˜ ๐—ช๐—ผ๐—ฟ๐—ธ โžœ Allivet & Tractor Supply (Fortune 500): Multi-Tenant REST API Tech: ASP.NET Core (.NET 6), Azure Service Bus, Redis, Azure Functions, SQL Server, Splunk ๐Ÿ”นStopped duplicate orders during request retries by adding idempotency keys ๐Ÿ”นMoved slow blocking calls onto Service Bus with background workers to cut response times ๐Ÿ”นUsed Redis caching and Azure Functions to keep products, customers and subscriptions syncing reliably to the Salesforce Commerce storefront โžœ Allivet Web Admin: E-Commerce & Subscription Platform Tech: .NET Core, Web API, SQL Server, Azure, CommerceHub, Deposco ๐Ÿ”นIntegrated CommerceHub payment gateway: card tokenization, authorization, capture, void and refund ๐Ÿ”นConnected Deposco warehouse management and rebuilt the financial posting process ๐Ÿ”นRan the full catalog, orders, autoships, inventory and warehouses end to end โžœ Franchise Management System (ERP): used by 150+ international clients Tech: ASP.NET MVC, Web API, Azure, SQL Server ๐Ÿ”นArchitected and optimized the central platform serving 150+ franchise clients worldwide ๐Ÿ”นExposed REST APIs for mobile apps using Repository, Unit of Work and Singleton patterns ๐Ÿ”นBuilt the supporting systems too: video training (Wowza streaming), field audit tools, and a marketplace with Amazon Pay and BlueSnap โžœ County Taxation Filing System Tech: ASP.NET Core, Azure Functions, Logic Apps, Angular 10, SQL Server ๐Ÿ”นBuilt yearly tax filing with PDF generation and historical data imports ๐Ÿ”นRebuilt a batch engine that brought large-scale query processing down from minutes to seconds ๐—ช๐—ต๐˜† ๐—–๐—น๐—ถ๐—ฒ๐—ป๐˜๐˜€ ๐‡๐—ถ๐—ฟ๐—ฒ ๐— ๐—ฒ โœ” End-to-end ownership: from architecture and database design through to deployment, not just the coding in the middle โœ” I solve the hard backend problems: idempotency, event-driven sync, the outbox pattern, background jobs, multi-database setups, and SQL that's slow under load โœ” AI-augmented delivery: I use Claude Code and GitHub Copilot every day to move faster on scaffolding, refactoring and debugging, and I review everything they produce โœ” Clear and reliable: regular updates, no surprises, no ghosting ๐—–๐—ผ๐—ฟ๐—ฒ ๐—ฆ๐˜๐—ฎ๐—ฐ๐—ธ ASP.NET Core, C#, Web API (REST & SOAP), SQL Server, Entity Framework, Azure (Service Bus, Functions, App Service, Logic Apps), Redis, Angular, Splunk If you've got a .NET system that's slow under load, an integration that keeps failing, or an API that needs to scale, send me the details and I'll tell you how I'd approach it.

  • .NET Core
  • .NET Framework
  • ASP.NET MVC
  • TypeScript
  • C#
  • ASP.NET Web API
  • JavaScript
  • Microsoft SQL Server
  • API Development
  • ASP.NET
  • Entity Framework
  • Angular 10
  • .NET Stack
  • ASP.NET Core
  • Web Development
  • Back-End Development
  • Ecommerce
  • n8n
  • Automated Workflow
  • Full-Stack Development
Rajneesh K.

Mandi, India

$18/hr
5.0
10 jobs

๐Ÿ† Top Rated Plus | 100% Client Feedback | 3000+ Hours I help businesses build fast, scalable .NET applicationsโ€”and extend them to web, mobile, and AI-powered systems when needed. With 7+ years of experience, Iโ€™ve delivered 50+ applications used by startups and enterprises, including platforms handling 1M+ users and millions of daily transactions. If you need someone who can design, build, and scale your system end-to-end, I can help. ๐Ÿ’ก What I Can Help You With Build or improve ASP.NET Core / Web API / microservices Develop modern Angular or React frontends Build cross-platform apps using .NET MAUI , Blazor (Android, iOS, Windows) Add AI features (chat, automation, semantic search, workflows) Fix performance issues (30โ€“40% improvements in real projects) Design scalable architecture for SaaS or enterprise systems ๐Ÿง  Practical AI Integration I focus on AI where it actually creates business value: AI-powered APIs and backend workflows Semantic search with vector databases (Azure AI Search, Pinecone) Automation to reduce manual work Secure, production-ready integrations (OpenAI, Azure OpenAI) โš™๏ธ Core Tech Stack Backend: C#, ASP.NET Core, Web API, Entity Framework, Microservices Frontend: Angular, React, JavaScript Mobile: .NET MAUI (cross-platform apps) Cloud & DevOps: Azure, AWS, Docker, CI/CD Database: SQL Server (performance optimization), MySQL ๐Ÿ“ˆ Proven Results 50+ applications delivered Systems handling 1M+ users & high-scale traffic Database performance improved by 40%+ Experience working across 100+ repositories in team environments ๐ŸŽฏ What Itโ€™s Like Working With Me Clean, scalable architecture (not quick fixes) Clear communication and reliable delivery Strong debugging and performance optimization Practical solutions focused on your business goals ๐Ÿš€ Letโ€™s Talk Whether youโ€™re: Launching a new SaaS Building a web + mobile app (MAUI) Adding AI features Fixing performance issues Send me a message, and Iโ€™ll suggest a practical approach based on your goals.

  • .NET Core
  • .NET Framework
  • ASP.NET MVC
  • Angular
  • ASP.NET
  • MySQL
  • API Integration
  • JavaScript
  • C#
  • API Development
  • Microsoft Azure
  • API
  • Blazor
  • Amazon S3
  • React

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