Valeriy Karkachev
Verified Expert in Engineering
Software Developer
valery已经在软件行业工作了超过25年, 专门利用微软堆栈构建高性能桌面应用程序. He is a self-motivated, 面向细节的问题解决者,保证最好的代码质量和性能. 瓦莱里喜欢他的工作,并不断努力改进,更喜欢全职工作.
Portfolio
Experience
Availability
Preferred Environment
Windows, c#, Windows Presentation Foundation (WPF),多线程,Visual Studio, .NET, SciChart, .NET Core, C#.NET, .NET 6, .NET MAUI, Windows Desktop, Desktop App Development
The most amazing...
...我一个人从头开始开发的是一个x射线图像采集和处理软件,被全球100多家诊所使用.
Work Experience
Senior Software Engineer
KSR Automation
- 改进UI遗留,以平滑和异步运行.
- 优化性能,允许数千个工作单元同时运行.
- 处理4000+活跃用户的用户请求和bug报告,以改进现有功能或添加新功能.
- 与项目所有者一起实现应用程序的性能关键部分, including complex multithreaded processes, task synchronization, and scheduling.
Freelance Software Engineer
Online Freelance Agency
- Worked on more than 50 projects for over 10,000 hours.
- 在近9年的时间里,一直保持着顶级+的地位和100%的工作成功得分.
- 不断收到客户的五星反馈.
- 获得了“分析技能前5%的自由职业者”和“c#技能前5%”的徽章.
Senior Software Engineer
K&A Engineering Consulting
- Developed Firefly system using C#, WPF, and PostgreSQL, 帮助电力公司维护他们的基础设施.
- 将旧UI从WinForms转换为WPF,提高了UI性能.
- Optimized SQL queries to improve database performance.
- Converted the codebase to the latest .NET 6 version.
Senior Software Engineer
QuantRes
- 开发了一套工具来帮助交易者改善他们的业务.
- 使用c#, WPF, SQL,高性能图表和复杂的数学.
- Used Jira to track tasks and Git as version control.
Senior Software Engineer
Medicatech USA
- 开发公司主要产品Voyance x射线采集软件.
- 在使用x射线硬件api拨号时,使用各种UI/UX和x射线图像处理.
- Used the technology stack, including C#, .NET 4.7, WPF, Entity Framework, and PInvoke.
Senior Software Engineer
Lacima
- 致力于风险管理系统Lacima Analytics, used by multiple power companies across Australia.
- 使用c#、WinForms和DevExpress组件开发UI/UX.
- 应用高等数学和统计学编写后端代码和分析模块.
- 使用Jira作为报告工具实现新功能,跟踪和修复bug.
Tech Lead | Project Manager
Altosoft
- 开发移动软件测试平台,进行代码评审和技术访谈.
- 实现了与图像和文本识别相关的关键部分代码, such as C# and Visual Studio 2005-2008.
- 在20 - 25人的团队中担任项目经理.
Software Engineer
Vibrotek
- 使用Delphi 3 ~ 7、C、c#开发工业自动化软件.
- 为智能测量工具开发固件,用于诊断和维护重型机械.
- 使用公司专有的bug跟踪系统实现新功能并修复bug.
Experience
QuickBooks | Database Synchronizer
X-ray Acquisition and Processing Software | Voyance
http://medicatechusa.com/voyance/我加入这个项目时,由于工程质量差,它即将在发布前失败. 我使用c#和WPF从头开始重新构建应用程序.
该软件有几个发布版本,出售了数百个许可证. 来自诊所的评价非常好,我相信我留下了很好的形状.
跨平台桌面CRM应用程序与Avalonia UI构建
它显示来自数据库的表格数据,并允许创建, editing, and deleting objects, including client records, jobs completed for clients, job-related images, and more. The application is built using .NET Core 7.0, C#, and Avalonia UI.
Education
Master's Degree in System Engineering
圣彼得堡国立海洋技术大学-圣彼得堡,俄罗斯
Skills
Libraries/APIs
Windows窗体(WinForms), scchart, Windows API,实体框架,QuickBooks API, REST API
Tools
Visual Studio, Subversion (SVN), ReSharper, C#.NET WinForms, Jira, Git, TeamCity, Dapper
Frameworks
Windows Presentation Foundation (WPF), .NET, .NET Core, MVVM Light Toolkit, Entity Framework Core, .NET MAUI, ASP.NET Core
Languages
C#, C#.NET, XAML, SQL, Delphi 7, C, C++
Paradigms
Object-oriented Design (OOD), Windows App Development, Model View ViewModel (MVVM), Desktop App Development, Agile Software Development, REST
Platforms
Windows, Win32, Windows UI, Windows Desktop, Telerik WPF, Telerik, Xamarin
Storage
MySQL, PostgreSQL, SQL Server 2016, Microsoft SQL Server, PostgreSQL 10, SQLite
Other
Multithreading, Software Development, Performance Tuning, Troubleshooting, Root Cause Analysis, Windows Services, .NET 6, CSV, Web Scraping, Data Scraping, Scraping, Back-end, IT Systems Engineering, DevExpress, DICOM, Geometry, Image Processing, API Integration, Integration, Instagram, Canon EDSDK, SDKs, Teams, HTTP, Discord Bots, Intuit QuickBooks
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