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System Architect, .net And Xamarin Developer Resume

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Evanston, IllinoiS

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SUMMARY:

Highly experienced and results - driven technologist with vast and deep experience across several industries. Consistent track record of partnering with business visionaries to create industry-leading innovative technical solutions that have been recognized by several industry s, workplace s, and US patents in systems architecture, software development, and systems engineering. Able to operate across both a wide breadth of technologies (full-stack software as well as hardware) with the depth of expertise to dive into the details. In latest project, architected and built an innovative, -winning digital healthcare assistance platform integrating Alexa, Android, and Wear OS using Xamarin. Able to deliver large, complex, technical projects independently at an exceptional level of efficiency.

TECHNICAL SKILLS:

Databases: Oracle RDBMS, Oracle RAC, MySQL, MS SQL Server, AWS DynamoDB, SQLite

Languages: C, C++, C#

Development Platforms and Frameworks: Visual Studio, .NET Core, .NET Standard, Full stack development with .NET

Xamarin Forms: over 5 years experience, Xamarin Android, Xamarin iOS, Xamarin Wear OS (Android Wear)

Xamarin: experience with custom controls and Dependency Service, Android Kiosk Mode, HTML, XML, XAML

REST and SOAP WEB services protocols: CRUD operations, AWS Lambda, an Amazon Web Services (AWS), JavaScript, Node.JS, ASP.NET Core Blazor

Microsoft Reporting Services: Development and Version Release Support, Live Share, App Center

Network Messaging Protocols: MQTT, TCP Sockets, ESP 8286, CORBA, SS7 Stack (SCCP, ISUP, TCAP, IS41, CAMEL)

Other Technologies: RTLS (Real Time Location System used for locating personnel and assets and monitor humidity, temperature, movement), SMS Text Server, Email Server, Automated SQL data object incremental backup and restore

Hardware: Circuit design, BLE (Bluetooth Low Energy Beacons used for RTLS), BLE Gateways, ESP 8286

Hardware / software integration Tools: MS Visio (Circuit design schematics and flow charts), Google Earth Pro (map overlays for RTLS)Experience with vector and raster graphic and using multiple SVG and other tools for working with graphics (e.g., AutoCAD)

Cloud Computing Platforms: Microsoft Azure, AWS, Alexa

EXPERIENCE:

Confidential, Evanston, Illinois

System Architect, .NET and Xamarin Developer

Responsibilities:

  • Designed, developed, and delivered the company’s flagship product: Illuminate Patient Response Platform, which greatly improves patient care through technology.
  • Performed all product research, software architecture, development, and hardware design and hardware integration of the platform
  • The system includes integrating Alexa with custom hardware designed by him, RTLS, tablets, and wearable devices to provide outstanding patient care. Xamarin, .NET Core, .NET Standard and ASP.NET Core Blazor were some of the underlying code. Nathan developed all aspects of this platform save for testing it and having others build the hardware by proving schematic diagrams. (See s)
  • Developed custom Alexa skill and led it to pass AWS . (Designed novel way to awake Alexa using special, smart device software in the cloud)
  • Designed for custom hardware and software interfaces (Nurse Call Interface / NCI using ESP8286 relays and other hardware, designed the circuits. Designed and built a Nurse Call Simulator to test the NCIs)
  • Wrote app for Android Wear OS watches, in Xamarin using Kiosk mode (worn on by nurses’ assistants)
  • Wrote Android apps in Xamarin Forms for tablet (for supervisory nursing, and kitchen, functions). Capabilities include complete management and tracking of all patient, staff, assets, scheduling, floor plan maps, managing and printing orders
  • Developed real-time tracking applications using BLE Gateways, BLE Beacons, and a MQTT-based RTLS server interface
  • Integrated precise location tracking into mobile apps, both in text and on a map, using Google maps with custom overlay
  • Up to date patient data is obtained for multiple facilities by using FTP from the health care provider database and incrementally restoring the data objects on the server
  • Designed the information architecture and developed reporting interfaces using MS SQL server and Microsoft Reporting Services

Confidential, Skokie, Illinois

System Architect, Developer

Responsibilities:

  • Lead developer and application architect for Confidential ’s Value-Added Services billing platform
  • Built capabilities to enable: Wireless roaming, Payment processing, Rating and Charging of wireless usage .
  • Designed and developed a method to allow prepaid roaming charging on TDMA platforms that allowed Cricket to have nationwide coverage without investing in any infrastructure.
  • Many very successful platform enhancements were designed, coded, and implemented

Confidential, Chicago, Illinois

Chief Technical Officer

Responsibilities:

  • Pharmaceutical
  • Insurance
  • Premium Finance
  • Scientific projects
  • Risk management
  • Conceived and wrote Telephone Classified system using multilingual Voice recognition

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