Andy is available for hire

Andy Gill

Verified Expert in Engineering

Xamarin.Forms Developer

Location

棕榈滩花园，佛罗里达州，美国

Toptal Member Since

November 9, 2021

Andy是一名拥有20年软件经验的全栈开发人员. He is an expert in the .NET stack, 从收集需求到SQL数据库设计, web, Windows, and mobile back and front end, 并部署了系统监控和维护. 他的顶级技能包括Xamarin表格, 可通过亚马逊Alexa访问的会话机器人, Google Home, text messaging, and the full .. NET栈在web或Windows应用程序. 他喜欢解决问题，使他的客户生活得更好.

Web Development Full-stack Algorithms Back-end User Authentication User Interface (UI)User Experience (UX)Integration Data Scraping Data Analysis Data Engineering Xamarin.Forms .NET SQL C#.NET

Portfolio

Protos Security

Xamarin, Xamarin Studio, C#.. NET，移动开发，iOS，跨平台...

Freelance

C#.NET, .. NET 5, SQL, Telerik Kendo UI, Xamarin.Forms, Amazon Alexa, Google Home...

AMAG Technology

.NET, Angular, Xamarin.窗体，SQL, Windows窗体(WinForms)，移动开发...

Experience

.NET - 20 years C#.NET - 20 years SQL - 20 years Software Design Patterns - 20 years Web Architecture - 10 years 敏捷软件开发——10年 Xamarin.Forms - 5 years Xamarin - 5 years

Availability

Part-time

Preferred Environment

.NET

The most amazing...

...我开发的产品是backofficesscheduler——一个包含两个iOS和Android应用程序的应用程序套件, 一个可以通过Alexa和短信访问的机器人, and a .NET core website.

Work Experience

Mobile Developer

2022 - PRESENT

Protos Security

开发Xamarin应用程序，增强并最终取代移动网站来管理警卫活动.
Researched progress of .NET MAUI替换Xamarin和更新的管理，以帮助决定切换到MAUI的适当时间.
Rewrote Xamarin app to .NET MAUI Blazor Hybrid利用初级开发人员在网站和本地应用程序之间共享工作，从而降低成本并加快进度.

技术:Xamarin, Xamarin Studio, c#.. NET，移动开发，iOS，跨平台, Architecture, Android, Full-stack, Charts, Software Design Patterns, Agile Software Development, Web Architecture, HTML, Web Development, CSS, HTML5, REST, OData, Blazor, API Integration, ASP.NET Razor, APIs, REST APIs, C#, JavaScript, jQuery, Facebook API, Google API, Microsoft SQL Server, Technical Architecture, Amazon Web Services (AWS), Project Estimation, Project Management, IT Project Management, User Interface (UI), User Experience (UX), Algorithms, Azure, Microservices, .NET Core, DevOps, Cloud Services, CI/CD Pipelines, Kanban, Integration, XML Web Services, XSD, XML, Back-end, Data Analysis, Data Engineering, Facebook Authentication, Facebook, IIS SQL Server, ASP.NET Core, SQL Server 2016, Entity Framework, Azure DevOps, IIS, Real-time Messaging Protocol (RTMP), Authorization, User Authentication, Authentication

Senior Full-stack Developer

2019 - PRESENT

Freelance

设计和研究B2B应用程序站点的需求，使企业能够管理其员工和客户的日程安排和约会.
集成了PayPal和Stripe支付API，允许组织和他们的客户进行支付.
创建了一个微软框架机器人通过谷歌主页访问, Alexa, 还有短信功能，让客户可以管理自己的约会.

Technologies: C#.NET, .. NET 5, SQL, Telerik Kendo UI, Xamarin.Forms, Amazon Alexa, Google Home, Microsoft Bot Framework, Mobile Development, iOS, Cross-platform, Architecture, Android, .NET MAUI, Full-stack, Graphs, Dashboards, Software Design Patterns, Agile Software Development, Web Architecture, HTML, Web Development, CSS, HTML5, REST, OData, Texting, Blazor, API Integration, ASP.NET Razor, Zapier, APIs, REST APIs, C#, Payment APIs, JavaScript, Payment Processing, jQuery, PayPal, PayPal API, Stripe, Stripe API, GPT, Artificial Intelligence (AI), Algorithmic Trading, Facebook API, Google API, Microsoft SQL Server, MongoDB, Technical Architecture, Amazon Web Services (AWS), Project Estimation, Project Management, IT Project Management, User Interface (UI), User Experience (UX), Node.js, React，自动化，算法，Azure，微服务， .NET Core, DevOps, Cloud Services, CI/CD Pipelines, Integration, XML Web Services, XSD, XML, Windows UI, Back-end, Intuit QuickBooks, QuickBooks API, Data Analysis, Data Engineering, Excel 365, Data Scraping, Facebook Authentication, Facebook, IIS SQL Server, Office 365, Single Sign-on (SSO), ASP.NET Core, SQL Server 2016, Entity Framework, Azure DevOps, IIS, RTMP, Streaming, Broadcasting, Authorization, User Authentication, Authentication

Senior Full-stack Developer

2012 - 2021

AMAG Technology

维护和升级从Windows窗体到web应用程序 .NET MVC and eventually .NET Core with an Angular front end.
Created, published, 并通过Xamarin Forms维护iOS和Android应用程序，以监控警卫的位置和活动，并根据需要进行部署.
指导初级开发人员和离岸团队提高生产力.

Technologies: .NET, Angular, Xamarin.窗体，SQL, Windows窗体(WinForms)，移动开发, iOS, Cross-platform, Architecture, Android, Full-stack, Graphs, Charts, Dashboards, Software Design Patterns, Agile Software Development, Web Architecture, HTML, Web Development, CSS, HTML5, REST, OData, API Integration, ASP.NET Web Forms, APIs, .NET 4, REST APIs, C#, JavaScript, PCI, jQuery, Facebook API, Google API, Microsoft SQL Server, Technical Architecture, Project Estimation, Project Management, User Interface (UI), User Experience (UX), Automation, Algorithms, Azure, Microservices, .NET Core, DevOps, Cloud Services, CI/CD Pipelines, Kanban, Integration, XML Web Services, XSD, XML, Back-end, Data Analysis, Data Engineering, Facebook Authentication, Facebook, Office 365 API, IIS SQL Server, Office 365, Single Sign-on (SSO), ASP.NET Core, SQL Server 2016, Entity Framework, Azure DevOps, IIS, Kotlin, User Authentication, Authentication, Visual Basic, VB.NET

Senior Full-stack Engineer

2009 - 2012

Reverse Mortgage Solutions

监督Windows窗体应用程序，以帮助物业经理维护通过止赎获得的物业.
开发了一个Windows Workflow Foundation系统来生成以前手工创建的报告.
指导新开发人员加快公司内部网站的开发，以跟踪Windows Forms应用程序的使用和进度.

技术:Windows窗体(WinForms)， SQL, ASP.NET, Windows Workflow Foundation, Architecture, Full-stack, Graphs, Charts, Dashboards, Software Design Patterns, Agile Software Development, Web Architecture, HTML, Web Development, CSS, HTML5, REST, OData, API Integration, ASP.NET Web Forms, APIs, .NET 4, REST APIs, C#, WCF Web Services, JavaScript, PCI, C++, Facebook API, Google API, Microsoft SQL Server, Technical Architecture, Project Estimation, Project Management, User Interface (UI), User Experience (UX), Fintech, Automation, Algorithms, DevOps, CI/CD Pipelines, XML Web Services, XSD, XML, Windows UI, Back-end, Data Analysis, Data Engineering, Facebook Authentication, Facebook, IIS SQL Server, ASP.. NET Core, SQL Server 2016，实体框架，IIS，用户认证，身份验证

Senior Full-stack Developer

2004 - 2009

Bankrate.com

管理离岸开发团队完成项目目标.
重新设计了网站从经典的ASP到新的 .NET Web Forms project.
开始添加面向外部的API，以允许客户卸载Bankrate正在做的一些工作.

Technologies: ASP.NET, SQL, JavaScript, Agile Software Development, Architecture, Full-stack, Graphs, Charts, Software Design Patterns, Web Architecture, HTML, Web Development, CSS, REST, API Integration, ASP.NET Web Forms, APIs, .NET 4, REST APIs, C#, WCF Web Services, C++, Facebook API, Google API, Microsoft SQL Server, Project Estimation, User Interface (UI), User Experience (UX), Fintech, Algorithms, DevOps, XML Web Services, XSD, XML, Windows UI, Back-end, Facebook Authentication, Facebook, Office 365 API, IIS SQL Server, ASP.. NET Core, SQL Server 2016，实体框架，IIS，用户认证，身份验证

Experience

BackOfficeScheduler

http://backofficescheduler.com

我创建了这个应用程序套件，包含一对iOS和Android应用程序, 一个可以通过Alexa和短信访问的机器人, and a .NET core website. I've upgraded it from .NET MVC to .NET Core 2 and 3 and finally to .NET 5，并成功发布了应用程序和Alexa机器人. 我正在重写网页和应用程序，使用Blazor(由MAUI Blazor Hybrid托管)来增加代码共享，并加快开发时间，以便在与一些关键用户进行beta测试后正式发布.

MAUI Blazor混合网站和应用程序来管理警卫服务

http://apps.apple.com/us/app/protos-mobile/id1610768348

通过MAUI Blazor Hybrid原生托管在iOS和Android上的Blazor网站，允许警卫登录和退出轮班, report incidents, receive pertinent alerts, 并通过扫描NFC标签进行建筑参观, barcodes, or QR codes. 它基于现有的响应式web应用程序，但明确为移动设备设计，除了NFC标签扫描等特定平台的功能外，它在web浏览器或手机上也同样强大.

Video Streaming App and Website

A .基于。net的网站及配套的ASP.NET Core应用程序，允许用户流式传输体育赛事的直播视频, including labeling participants, keeping score, 并允许用户用标签类型和播放器将剪辑标记为高光. 其他关注该球员的用户可以在网站或应用程序上观看比赛直播或回复并查看该球员或比赛的累积亮点.

Skills

Languages

SQL, C#.. NET, JavaScript, HTML, HTML5, CSS, ASP.NET Razor, c#， XSD, XML, Visual Basic, VB.NET, C++, Kotlin

Frameworks

.NET, .NET 5, Telerik Kendo UI, ASP.NET, Blazor, ASP.NET Web Forms, .NET 4, .NET Core, ASP.. NET Core, Angular, Windows Workflow Foundation

Libraries/APIs

Windows Forms (WinForms), REST APIs, jQuery, Facebook API, Google API, Facebook Authentication, Entity Framework, PayPal API, Stripe, Stripe API, QuickBooks API, Node.js, React, Office 365 API

Paradigms

Agile Software Development, Web Architecture, REST, Cross-platform, Mobile Development, Automation, Microservices, DevOps, Kanban, Azure DevOps, Real-time Messaging Protocol (RTMP)

Platforms

Software Design Patterns, Xamarin, Android, iOS, Azure, Windows UI, Amazon Alexa, Amazon Web Services (AWS), Microsoft Bot Framework

Storage

Microsoft SQL Server, IIS SQL Server, SQL Server 2016, MongoDB

Industry Expertise

Project Management

Other

Xamarin.Forms, Xamarin Studio, OData, Web Development, Architecture, Full-stack, API Integration, APIs, WCF Web Services, PCI, Technical Architecture, Project Estimation, User Interface (UI), User Experience (UX), Fintech, Algorithms, Cloud Services, CI/CD Pipelines, Integration, Back-end, Data Analysis, Data Engineering, Data Scraping, Facebook, Single Sign-on (SSO), Authorization, User Authentication, Authentication, Texting, Chatbots, Graphs, Charts, Dashboards, Payment APIs, Payment Processing, PayPal, IT Project Management, Intuit QuickBooks, Excel 365, IIS, Streaming, Broadcasting, Google Home, Artificial Intelligence (AI), Natural Language Processing (NLP), GPT, 生成预训练变压器(GPT), .NET MAUI，算法交易，XML Web服务，Office 365, RTMP

Tools

Zapier

Education

2000 - 2004

计算机信息系统学士学位

棕榈滩大西洋大学-西棕榈滩，佛罗里达州，美国

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