
Andy Gill
Verified Expert in Engineering
Xamarin.Forms Developer
Andy is a full-stack developer with 20 years of experience in software. He is an expert in the .NET stack, from gathering requirements to SQL database design, web, Windows, and mobile back and front end, and deployed system monitoring and maintenance. His top skills include Xamarin Forms, conversational bots accessible via Amazon Alexa, Google Home, text messaging, and the full .NET stack in web or Windows applications. He enjoys solving problems that make the lives of his clients better.
Portfolio
Experience
Availability
Preferred Environment
.NET
The most amazing...
...product I've built is Backofficescheduler - an app suite of two iOS and Android apps, a bot accessible via Alexa and text messaging, and a .NET core website.
Work Experience
Mobile Developer
Protos Security
- Developed Xamarin app to augment and eventually replace mobile website to manage guard activities.
- Researched progress of .NET MAUI replacing Xamarin and updated management to help decide on an appropriate time to switch to MAUI.
- Rewrote Xamarin app to .NET MAUI Blazor Hybrid to take advantage of sharing work between website and native apps using a junior developer to reduce costs and speed up timelines.
Senior Full-stack Developer
Freelance
- Designed and researched requirements for the B2B application site to enable businesses to manage their employee and customer schedules and appointments.
- Integrated a PayPal and Stripe payment API to allow organizations and their customers to make payments.
- Created a Microsoft Framework bot accessible via Google Home, Alexa, and text messaging to allow customers to manage their appointments.
Senior Full-stack Developer
AMAG Technology
- Maintained and upgraded a web app from Windows Forms through .NET MVC and eventually .NET Core with an Angular front end.
- Created, published, and maintained iOS and Android apps via Xamarin Forms to monitor the positions and activities of guards and deploy them as needed.
- Mentored junior developers and the offshore team to increase productivity.
Senior Full-stack Engineer
Reverse Mortgage Solutions
- Oversaw a Windows Forms application to help property managers maintain properties obtained via foreclosure.
- Developed a Windows Workflow Foundation system to generate reports that were previously created manually.
- Mentored new developers to speed up the development of the internal company website to track use and progress of the Windows Forms app.
Senior Full-stack Developer
Bankrate.com
- Managed the offshore development team to accomplish project goals.
- Redesigned the website from classic ASP to the new .NET Web Forms project.
- Initiated the addition of external-facing API to allow customers to offload some of the work that Bankrate was doing.
Experience
BackOfficeScheduler
http://backofficescheduler.comMAUI Blazor Hybrid Website and App to Manage Guard Services
https://apps.apple.com/us/app/protos-mobile/id1610768348Video Streaming App and Website
Skills
Languages
SQL, C#.NET, JavaScript, HTML, HTML5, CSS, ASP.NET Razor, C#, XSD, XML, C++
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, Google API, Facebook Authentication, PayPal API, Stripe, Stripe API, Facebook API, QuickBooks API, Node.js, React, Office 365 API
Paradigms
Agile Software Development, Web Architecture, REST, Cross-platform, Mobile Development, Automation, Microservices, DevOps, Kanban
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, 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), Texting, Chatbots, Graphs, Charts, Dashboards, Payment APIs, Payment Processing, PayPal, IT Project Management, Intuit QuickBooks, Excel 365, Google Home, Artificial Intelligence (AI), Natural Language Processing (NLP), GPT, Generative Pre-trained Transformers (GPT), .NET MAUI, Algorithmic Trading, XML Web Services, Office 365
Tools
Zapier
Education
Bachelor's Degree in Computer Information Systems
Palm Beach Atlantic University - West Palm Beach, Florida, USA