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C# Application Maintenance and Upgrades

$25-50 USD / hour

已关闭
已发布将近 2 年前

$25-50 USD / hour

Small company has a custom Visual Studio C# Windows SQL database application that requires bug fixes and upgrades. This is an ongoing part time project. Remote application development using company software and hardware.
项目 ID: 34057454

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105提案
远程项目
活跃2 年前

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105威客以平均价$34 USD/小时来参与此工作竞价
用户头像
Hi there, I have read the brief details on the job listing. You can check my experience, customer feed backs and my portfolio here: https://www.freelancer.com/u/AwaisChaudhry?w=f I believe its a doable job I have great experience doing projects with C# App Development. Please initiate the chat so we could discuss it in detail. Thanks! Awais
$50 USD 在40天之内
4.8 (107条评论)
8.5
8.5
用户头像
Hi. I run a small web development and design team having developers experienced in .Net, .Net Core, Xamarin, Angular, AngularJS, WordPress, Wix, WooCommerce. We have more than 17 years of development experience having expertise on Microsoft Azure, AWS. Our senior Architect is a Microsoft and Brainbench Certified professional having more than 17 years of Industry experience having worked on AWS and Microsoft Azure Cloud. We have also worked on multiple projects that have both Web/Mobile frontend on top of the REST APIs. We have also built Smart/IoT based product/solutions like a Smart buld/Mobile app for a Healthcare startup in India and currently helping a funded Danish startup building large scale B2B collaboration tools. We also have inhouse team of designers and testers who have worked on both Adoble Illustrator, InDesign, Figma for prototyping and designs. We can connect if you like our profile.
$25 USD 在40天之内
5.0 (22条评论)
7.5
7.5
用户头像
Hello Jim S.,   We have 20 years of strong experience in .NET, C# Programming, Software Architecture, Microsoft SQL Server, as a result, we can successfully complete this project.   Please, review our profile here: https://www.freelancer.com/u/tangramua Here detailed information about our company, our portfolio, and the client's recent reviews.   Also, we wanted to personally discuss questions about your project, which helps us to give you the right estimation.   Best regards, Tangram Canada Inc.  
$35 USD 在5天之内
5.0 (28条评论)
7.0
7.0
用户头像
Hello. I can fix and upgrade the custom visual studio c# windows sql database app of your company perfectly. I can work in part time contract and available in your timezone. Core Competency: ? ASP.Net, C#, MVC, .Net Core, MVVM, Web API, Razor Pages. Node, PHP, Laravel, Django ? Entity Framework, LINQ, nHibernate ? Proficient in XML technologies like XSL/XSLT, SAX, DOM, XPath, SOAP, WSDL, SOA Apache Axis. ? Frontend: React.js, Redux, Blazor, Angular(1.x to 11), Angular Material Design, ? Telerik, DevExpress, Infragistics ? Design Patterns like Unity, Repository Pattern, Dependency Injection and IoC ? JavaScript, Typescript, jQuery, HTML5, CSS3 and Bootstrap. ? AWS Cloud, Microsoft Azure, AWS Lambda functions, Stored procedures, Serverless, AWS DynamoDB, MSSQL, MongoDB, ? REST Web Services, 3rd Party APIs, Payment Gateways: PayPal, Stripe, SagePay ? Source Controls such as SVN/ TFS/ VSS/ GIT/ Source Gear Vault/Azure DevOps ⌛ Fast Turnaround ? Positive Feedback from Clients ✔️ Fluent English ⚠️ Maintain Deadlines Good Hands in: ✔️ Managing Cloud Based Services, i.e. Windows Azure Environment, Parse, Amazon Cloud Services ✔️ Performing tasks like service and web application publishing, Platform configuring ✔️ SQL database management, etc. ✔️ Implementing Security and Writing Test Cases. Preferred workflow stack: Trello/Jira/ClubHouse + Git. I look forward to working with you! Thank you.
$38 USD 在40天之内
5.0 (6条评论)
6.5
6.5
用户头像
Hi. I have good experience with c/c++ and c# programming and can handle .net programming. So hope more disucss with you. Regards.
$35 USD 在40天之内
4.9 (14条评论)
6.7
6.7
用户头像
Hi, thank you for posting an ongoing part time project. As an expert developer with enough experience in database application, I can provide you 100% satisfaction with your requirements. Daily updates upon completion of assigned task will be a must. I'm available to start work on your project really soon. Would be appreciated if you send me a ping. Let us go forward together. Thanks, Andrii
$30 USD 在40天之内
5.0 (5条评论)
5.9
5.9
用户头像
✅Hello, I am glad to bid your project. I am very interested in your project. ✅I am a senior programmer and have more than 10 years of development experience. ✅I am well versed in C# and have strong skills in developing of App based on .NET. ✅I think I'm the best fit for your project. ✅If you award me this project, I will show you satisfactory results. ✅Please have a contact with me and tell me more detail and then I will do your project immediately. Thanks.
$40 USD 在40天之内
5.0 (9条评论)
6.0
6.0
用户头像
Hi, nice to meet you. I am happy to bid on your project. I have read your job description carefully and I am interested in this project. I have more than 7 years of solid knowledge and practical experience in this field. I can also start working right now and deliver good results on time. Please contact me for more details. Best regards, Eric Lesca.
$40 USD 在40天之内
5.0 (21条评论)
6.0
6.0
用户头像
I am an old certificated .NET/C# programmer working with .NET for 20 years. WEB applications are my main specialization but I can work with other types of Windows applications too (Windows Forms, WPF, Windows Services). Give me source of the application and list of urgent corrections. I shall analyze the task and answer you in 1-2 days.
$25 USD 在40天之内
4.9 (5条评论)
6.0
6.0
用户头像
Hello, I have rich experience in C# coding with SQL server. I have read all your explanations carefully and fully understand your requirements. So I am sure I can give you correct and good results. I would appreciate it if you could contact me soon and share your project details. Thank you.
$40 USD 在40天之内
5.0 (21条评论)
5.5
5.5
用户头像
Warm Greeting!! I go through job description and read it carefully, I got exactly what you are looking for. I am a professional in C#, .NET, Windows application developments and others, you can check my freelancer review. I will deliver maintainable and well-structured result with high quality. Thanks & Regards,
$45 USD 在40天之内
4.9 (5条评论)
5.5
5.5
用户头像
Here is the desktop app developer who mastered C++, C#, Python, Qt, WPF, UWP and electron. As a senior full-stack developer, I have been working with many languages and frameworks for build the desktop app associated with business logic and management system. Especially, C# and Python are my expertise and I have ever created the PLC ladder IDE from scratch. In terms of DB, I mastered SQL server, PostgreSQL, MySQl, MongoDB and so on. I majored in computer science and devices so I have rich experience in PLC, ARM, VHDL, IoT and IoB. Based on this strong background knowledge about the devices, I built many high performance compilers such as PLC ladder IDE with many high performance and smart algorithm. Therefore, I can handle any type for projec in enterprise desktop app and HMI for IoT or other devices. Looking forward to hearing from you and I will provide you the best services.
$25 USD 在40天之内
4.7 (18条评论)
6.0
6.0
用户头像
Hi there I have 15 years of experience is .net and Sql development in both windows and web applications. I can help with your project with quality. I am in EST time zone. Please message me for further discussion. Thanks Suguna
$38 USD 在40天之内
5.0 (36条评论)
5.3
5.3
用户头像
Hi I've read the project description carefully. I'm an expert in C# and MySQL. Hope you contact me to discuss project more detail. Best regards!
$25 USD 在40天之内
5.0 (9条评论)
4.6
4.6
用户头像
Hello, client. I have experience to develop unity game and game server with c++/c# and also to develop window form applications with c# and wpf. I know a lot of c# packages, I can help you, I think my experience and skills are very matched with your project. Thank you. Kirill
$40 USD 在40天之内
5.0 (3条评论)
4.3
4.3
用户头像
Greetings! I am a professional C# expert, so I could help you perfectly. Also, I have very good experience in MSSQL database. My best advantage for you is that I have very good sense in debugging. It is not that everyone is very good at debugging. I will fix all of your errors in a short time. Looking forward to working with you on long term. Thanks for your time
$25 USD 在40天之内
4.9 (8条评论)
4.6
4.6
用户头像
senior c#, .Net web application and dynamical site developer. Very good at CLR, EF, OOP, Dependency Inject etc what were needed to maintain application and web site. Your kind message will means a great deal to my life and development. plz give me a chance to discuss with you. I wish you the best of luck in your work
$25 USD 在40天之内
5.0 (3条评论)
4.7
4.7
用户头像
Hello, I am an individual full time Dot Net developer with 12 years experience in C#, MVC, Dot Net Core, Angular, EF, API Integration. You can view my profile here and also I have more profile in other place for C#. I can share you the link as well. I'd like to discuss more via direct chat. I look forward to working on this project with you. Thanks
$25 USD 在10天之内
4.8 (16条评论)
4.7
4.7
用户头像
Hi! It's great to bid for your project. I have more than 17 years of experience in Web & Desktop Development (Database Integration / C# / VB.Net / ASP.Net / MVC). So, Can you tell me more details about your application ? Thanks.
$25 USD 在40天之内
5.0 (12条评论)
4.5
4.5
用户头像
Hello I am professional C# developer. I have 8 years of hand on experience in building C# desktop application and SQL management. I can provide examples for this project. And also I have experience controlling the hardwares using C#.l I 'd like to discuss it in detail. Thank you
$38 USD 在40天之内
5.0 (3条评论)
4.6
4.6

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UNITED STATES的国旗
Fort Wayne, United States
5.0
2
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