.NET is a development framework that enables developers to create applications across different platforms to simplify and speed up development. A .NET Developer can help clients create applications, modernize and update existing code, or produce new code utilizing the .NET framework.

Developers experienced in the .NET suite of technologies and languages such as C#, VB.net, and F# can assist clients with creating web or desktop based applications by taking their project ideas into reality. In addition, these developers also have exprience in building API integrations for various platforms and databases allowing for data imports/exports and storage solutions.

Here's some projects that our expert .NET Developer made real:

  • Automating Outlook emails and splitting messages
  • GraphQL-based API visualizations using .NET platform
  • Database setups and insights from data extracts from PDFs
  • Connecting cloud platforms to support web applications
  • Adapting trading indicators using PineScript for Viewing
  • Developing WinForms for live chart library reactions
  • Enhancing existing SharePoint sites with updates

With the number of projects our expert .NET Developers have helped clients complete, there's no doubt that it is a sought after powerful coding language that works well with modern technologies. Whether you have an idea you would like to bring to life or an application you would like to improve, our experienced developers can help you make it happen with the power of .NET.

Now that you have seen some of the things our expert developers have created, why not post your own project on Freelancer.com today and hire a knowledgeable .NET Developer that meets your particular needs? Our web platform offers secure payment options and quality assurance so you won't be disappointed with what we can do for you.

จาก 196,400 รีวิว ลูกค้าให้คะแนน .NET Developers 4.9 จาก 5 ดาว
จ้าง .NET Developers

.NET is a development framework that enables developers to create applications across different platforms to simplify and speed up development. A .NET Developer can help clients create applications, modernize and update existing code, or produce new code utilizing the .NET framework.

Developers experienced in the .NET suite of technologies and languages such as C#, VB.net, and F# can assist clients with creating web or desktop based applications by taking their project ideas into reality. In addition, these developers also have exprience in building API integrations for various platforms and databases allowing for data imports/exports and storage solutions.

Here's some projects that our expert .NET Developer made real:

  • Automating Outlook emails and splitting messages
  • GraphQL-based API visualizations using .NET platform
  • Database setups and insights from data extracts from PDFs
  • Connecting cloud platforms to support web applications
  • Adapting trading indicators using PineScript for Viewing
  • Developing WinForms for live chart library reactions
  • Enhancing existing SharePoint sites with updates

With the number of projects our expert .NET Developers have helped clients complete, there's no doubt that it is a sought after powerful coding language that works well with modern technologies. Whether you have an idea you would like to bring to life or an application you would like to improve, our experienced developers can help you make it happen with the power of .NET.

Now that you have seen some of the things our expert developers have created, why not post your own project on Freelancer.com today and hire a knowledgeable .NET Developer that meets your particular needs? Our web platform offers secure payment options and quality assurance so you won't be disappointed with what we can do for you.

จาก 196,400 รีวิว ลูกค้าให้คะแนน .NET Developers 4.9 จาก 5 ดาว
จ้าง .NET Developers

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    สถานะงาน
    20 งานที่พบ

    I'm seeking an experienced SharePoint developer to create structured, functional pages tailored for our HR team, executive leaders, and all employees. The setup should include: - Document management capabilities - Reporting and analytics features - Design and creation of a unified One-SharePoint HR page Additionally, I need dashboards for: - HR performance metrics - Employee engagement - Project management Ideal Skills & Experience: - Proficiency in SharePoint design and implementation - Strong understanding of HR metrics and dashboard creation - Experience in building user-friendly, organized document management systems - Ability to customize pages for different user groups

    $723 Average bid
    $723 การประมูลเฉลี่ย
    103 คำเสนอราคา

    We have active requirements for production-grade software codebases for acquisition/licensing. :small_blue_diamond: Required Technology Stacks COBOL, Fortran, RPG .NET Framework / Legacy C# VB6 Java 7 & Earlier C / C++ Go, Rust, Ruby Swift, Kotlin :small_blue_diamond: Legacy Codebases We are looking for long-lived enterprise software with real development history, business logic, maintenance, PRs/issues, and testing activity. Preferred: Private repositories Multi-year/decade development history Enterprise/business-critical applications Legacy migration projects Production/deployed systems :small_blue_diamond: Automotive / Vehicle Codebases We are also looking for production-grade projects in: ECU / Firmware Telematics / Connected Vehicles Vehicle Security / Immobilizer Vehicle Contr...

    $4268 Average bid
    $4268 การประมูลเฉลี่ย
    12 คำเสนอราคา

    I’m ready to build a Windows-compatible application that lets me drop in raw Propwire or Propstream exports (currently CSV only) and receive a clean, research-ready dataset. Once imported, the data should automatically sort by Zip code while still keeping key fields—parcel number, owner name, current deed, encumbrances, length of ownership, property-tax status, and any municipal code violations—readily filterable. The core of the job is an algorithm that applies my own grading rules and assigns every record a numbered score. When I open a property profile I want a “deep dive” view that compiles all of the above details plus up-to-date contact information for the current owner in one place. Deliverables I need to see: • Import module that accepts P...

    $34 / hr Average bid
    $34 / hr การประมูลเฉลี่ย
    96 คำเสนอราคา

    We are looking for an experienced **Full Stack Developer** to join our team on an ongoing basis. You will work on a modern web application, developing new features, fixing issues, improving existing functionality, and helping us migrate functionality from a legacy desktop system to the web. ## What You'll Do * Develop and maintain full-stack web applications. * Build and integrate **REST APIs** and backend services. * Develop responsive and user-friendly frontend interfaces. * Work with **SQL Server** databases, including queries, stored procedures, and data relationships. * Integrate frontend, backend, and database functionality. * Investigate and fix bugs across the full application stack. * Work with existing codebases and understand legacy functionality. * Convert existing legac...

    $32 / hr Average bid
    $32 / hr การประมูลเฉลี่ย
    272 คำเสนอราคา

    Every afternoon I log dozens of order updates and I need a small Windows desktop program that lets me do it quickly and without distractions. The core requirement is a clean data-entry form: fields for order number, customer name, current status, date/time (auto-stamped is fine), and an open notes box. Once the record is saved it should be written to a lightweight local store—SQLite or a simple embedded database is perfect—so I can review or export the data later. I do not need reporting dashboards or sign-in screens at this stage; the entire focus is on fast, reliable entry. A single-window WinForms or WPF build in C#, Electron with a local store, or any comparable Windows-only framework works for me as long as it installs with minimal fuss. Acceptance criteria • Exec...

    $79 Average bid
    $79 การประมูลเฉลี่ย
    18 คำเสนอราคา
    Web QR-Code Sticker Printer
    5 วัน left
    ยืนยันแล้ว

    For my company Awizohub, I need a streamlined, web-based tool that lets me generate and print QR-code stickers in multiple label sizes without fussing over which printer I am using. From a single Google Chrome tab I want to: • Type or bulk-paste the data that the QR code should hold (CSV upload is fine). • Pick a predefined label template or quickly enter custom width, height, gap, and margin. • Preview the sheet/roll so I can confirm alignment before wasting labels. • Hit “Print” and have the app push a perfect layout to any connected printer—desktop laser, ink-jet, or thermal label printer—leveraging the browser’s print dialog or a PDF download. Accuracy is critical: the printed code must stay within tolerance so every scanner rea...

    $223 Average bid
    $223 การประมูลเฉลี่ย
    88 คำเสนอราคา

    Dear Partner, We have active requirements for production-grade software codebases for acquisition/licensing. :small_blue_diamond: Required Technology Stacks • COBOL, Fortran, RPG. • .NET Framework / Legacy C#. • VB6. • Java 7 & Earlier. • C / C++. • Go, Rust, Ruby. • Swift, Kotlin. :small_blue_diamond: Legacy Codebases We are looking for long-lived enterprise software with real development history, business logic, maintenance, PRs/issues, and testing activity. Preferred: • Private repositories. • Multi-year/decade development history. • Enterprise/business-critical applications. • Legacy migration projects. • Production/deployed systems. :small_blue_diamond: Automotive / Vehicle Codebases We are also looking for production-g...

    $7634 Average bid
    $7634 การประมูลเฉลี่ย
    17 คำเสนอราคา

    Je souhaite confier le développement complet d’une application de bureau. Le périmètre porte sur : • Analyse des besoins auprès de moi, définition de l’architecture logicielle et choix des technologies appropriées (par exemple : Java FX, .NET WPF, Electron, ou toute pile que vous maîtrisez). • Conception et implémentation du cœur fonctionnel : interface utilisateur, couche métier et accès aux données. • Tests unitaires et scénarios de validation pour garantir la stabilité et la maintenabilité. • Documentation succincte du code et des étapes d’installation afin d’assurer une prise en main facile. Le projet est donc un pur dé...

    $26 Average bid
    $26 การประมูลเฉลี่ย
    24 คำเสนอราคา

    I have an existing C#/.NET automated trading application (V131) using the FXCM ForexConnect API. The application and trading strategy are already developed. I am NOT looking to rebuild or redesign the trading strategy. I need an experienced C#/.NET developer to complete and troubleshoot the existing FXCM ForexConnect integration, particularly connection, live order execution and order/position management. Experience with FXCM ForexConnect is strongly preferred. The developer will work from the existing V131 source code. Please indicate your specific experience with FXCM ForexConnect or similar broker APIs.

    $521 Average bid
    $521 การประมูลเฉลี่ย
    138 คำเสนอราคา

    I still have a working copy of our old “export” utility--a small .NET Windows Forms program that pulls voice recordings from our recorder software through its SDK--but the original source code is gone. I need someone who can decompile that executable, clean up the recovered code, and then refactor the tool so it runs purely from the Windows command prompt. Instead of the current dialog box, the new build must accept: • a start time and end time parameter that define the export window • a list of one or more phone extensions to filter the recordings Everything else about the workflow stays the same: the program will talk to the recorder SDK, fetch the selected recordings, and drop the files into a local folder on the same server where the recorder software already ...

    $450 Average bid
    $450 การประมูลเฉลี่ย
    119 คำเสนอราคา
    RMS-VIPay Lane3000 Integration
    2 วัน left
    ยืนยันแล้ว

    I need Microsoft RMS Store Operations to hand transactions seamlessly to VIPay and route them to our Ingenico Lane 3000 terminals. The scope is narrow and clear: real-time transaction processing only—no inventory sync or back-office reporting. The integration must: • Launch from the standard RMS tender screen and pass sale totals to VIPay • Drive the Lane 3000 for EMV chip, mag-stripe and contactless payments • Return an approved/declined response to RMS and post it to the receipt journal Supported transaction types are credit and debit, and we must clear Visa/MasterCard, American Express and Discover through VIPay’s gateway. Please build whichever RMS add-in or external helper service you prefer, so long as it installs cleanly on our .NET RMS environm...

    $28 / hr Average bid
    $28 / hr การประมูลเฉลี่ย
    117 คำเสนอราคา
    API .NET para DTE Chile
    1 วัน left

    Necesito desarrollar una API robusta en .NET 9 o superior que automatice por completo la emisión de documentos tributarios electrónicos (DTE) para el Servicio de Impuestos Internos (SII) de Chile. Alcance funcional • Generación XML de cada DTE. • Firma electrónica avanzada (FEA) incorporando certificado digital. • Envío masivo o individual al SII y recepción del acuse. • Consulta de estado y almacenamiento de track id. • Registro de respuestas del SII para auditoría interna. • Endpoints protegidos con autenticación JWT. Tipos de DTE que debo cubrir • Facturas • Notas de crédito • Notas de débito • Boletas Requisitos técnicos * .NET 9+, C#, ...

    $428 Average bid
    $428 การประมูลเฉลี่ย
    102 คำเสนอราคา

    We are looking for a Senior .NET / Distributed Systems Developer to work on an existing ASP.NET Web Forms + C# + SQL Server based Biometric Attendance & HRMS application. Currently, biometric device communication and HRMS business processing run in the same application/server environment. During high biometric device traffic, the device communication consumes excessive CPU, RAM, database connections and application resources, which can affect or shut down the complete HRMS application. We need to separate the biometric device communication layer from the HRMS application and build an independently scalable architecture. Target architecture: Independent Biometric Device Gateway Persistent TCP/IP device connections Multiple Gateway servers with load balancing Kafka or RabbitMQ messag...

    $2050 Average bid
    $2050 การประมูลเฉลี่ย
    96 คำเสนอราคา

    I am assembling a live, online training program for a group of beginner-level engineers who must quickly come up to speed on AVEVA’s plant design ecosystem. The curriculum is already sketched out—Common Foundation → AVEVA Foundation → Role-based Specialization → Supporting Tools → Domain Enablement → Project/Capstone → Assessment—but I want a seasoned trainer or SME to take full ownership of the Software Tool Training track. The three core modules you will teach are: • AVEVA E3D / PDMS • AVEVA P&ID / NextGen P&ID • AVEVA Unified Engineering Because the cohort is starting from zero, every concept needs to be demonstrated hands-on, with plenty of practical examples that tie back to EPC and plant-engineering workfl...

    $20 / hr Average bid
    $20 / hr การประมูลเฉลี่ย
    8 คำเสนอราคา
    Office 365 Expert Needed
    1 วัน left
    ยืนยันแล้ว

    I need immediate assistance with SharePoint, OneNote, and Teams on Office 365. The ideal freelancer should have: - In-depth knowledge and experience with SharePoint, OneNote, and Teams. - Proven ability to troubleshoot and resolve issues quickly. - Strong communication skills for effective guidance and support. - Ability to work on an urgent basis. Please provide a brief overview of your relevant experience and how quickly you can start.

    $142 Average bid
    $142 การประมูลเฉลี่ย
    79 คำเสนอราคา
    Senior .NET Developer with Azure DevOps
    17 ชั่วโมง left
    ยืนยันแล้ว

    Senior .NET Developer (Backend + Azure DevOps) Location: Chandigarh / Mohali (Hybrid/Remote) | Type: Full-time | Experience: 6+ Years The Role We are looking for a Senior Backend Engineer to join our core team and take ownership of a live, multi-portal web application. This isn't a spec-driven, cog-in-a-machine role. You will be stepping in to audit an existing ASP.NET Core codebase, stabilize the production environment, and lead the architecture for new enterprise features. If you enjoy the detective work of untangling unfamiliar code and the satisfaction of building scalable Azure infrastructure from scratch, this is for you. What You'll Do Codebase Rescue & Audit: Dive into an existing ASP.NET Core application to identify security gaps, structural flaws, and architectu...

    $10 / hr Average bid
    $10 / hr การประมูลเฉลี่ย
    74 คำเสนอราคา
    Full-Time Shopify & .NET Developer -- 2
    10 ชั่วโมง left
    ยืนยันแล้ว

    I need a committed, full-time engineer who can confidently split the week across Shopify, .NET, and Azure/Azure DevOps work. The role is permanent, not project-based, so I’m counting on someone who can become an extension of our small agency, build for the long haul, and communicate clearly every day. What you will actually do • Design, code, and launch custom Shopify apps that follow best practices and pass App Store review • Maintain and extend our existing .NET (C#) services and APIs • Set up, monitor, and improve Azure resources and Azure DevOps pipelines so that every deploy is smooth and repeatable A quick note on applying Start your bid with “Hey” so I know you read this, and state the monthly figure you expect for afull-time job. If either o...

    $285 Average bid
    $285 การประมูลเฉลี่ย
    66 คำเสนอราคา
    Full-Time Shopify & .NET Developer
    8 ชั่วโมง left
    ยืนยันแล้ว

    I need a committed, full-time engineer who can confidently split the week across Shopify, .NET, and Azure/Azure DevOps work. The role is permanent, not project-based, so I’m counting on someone who can become an extension of our small agency, build for the long haul, and communicate clearly every day. What you will actually do • Design, code, and launch custom Shopify apps that follow best practices and pass App Store review • Maintain and extend our existing .NET (C#) services and APIs • Set up, monitor, and improve Azure resources and Azure DevOps pipelines so that every deploy is smooth and repeatable A quick note on applying Start your bid with “Hey” so I know you read this, and state the monthly figure you expect for afull-time job. If either o...

    $291 Average bid
    $291 การประมูลเฉลี่ย
    69 คำเสนอราคา
    Deploy C# WinUI App
    1 ชั่วโมง left

    My desktop application is ready—built with C#, WinUI 3, and the MVVM Toolkit—and I now need it live on the Microsoft Store. I’m looking for someone with intermediate-level experience in Store submissions who can turn the finished codebase into a compliant MSIX package, work through the Partner Center dashboards, and guide it smoothly through certification. You’ll handle the packaging settings (identity, capabilities, versioning), prepare the Store listing text and graphics if anything is missing, submit the build, respond to any certification feedback, and make sure the final product is discoverable in the Store. A short wrap-up document outlining the steps you took and any credentials or certificates I’ll need for future updates will complete the job. If yo...

    $61 Average bid
    $61 การประมูลเฉลี่ย
    24 คำเสนอราคา
    HABER Website ASP.NET 2.0 glitch
    หมดเขตแล้ว left

    Need help fixing the error message, "Compiler Error Message: CS0433: The type 'SitePage' exists in both 'c:windowsMicrosoft.NETFrameworkv2.0.50727Temporary ASP.NET Filesroot9b6a826f417c9158[login to view URL]' and 'c:windowsMicrosoft.NETFrameworkv2.0.50727Temporary ASP.NET Filesroot9b6a826f417c9158[login to view URL]'

    $1218 Average bid
    $1218 การประมูลเฉลี่ย
    26 คำเสนอราคา

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