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Robert P. Guararra

Senior Software Engineer

ad2vxa@r.postjobfree.com • 602-***-****

Apache Junction, AZ, 85119

Summary

Goal-focused, technologically sophisticated professional with a passion for developing cutting-edge solutions that transform client needs into results and cultivate business growth. Extensive success within a high-pressure software development environment. Remain at the forefront of evolving technology trends, tools, systems, and methodologies to maintain a competitive advantage. Skilled at leveraging Agile and Waterfall methodologies to lead top-performing, multi-disciplinary teams to achieve targets within strict deadlines and budget constraints. Engaging and collaborative, able to build and strengthen professional relationships across all organizational levels to drive cohesive, strategic operations. Skilled troubleshooter continually focused on identifying, isolating, and resolving technical problems. Technical Proficiencies

Languages: C#, C, VB.NET, SQL, VBA, ASP.NET, .NET CORE, Razor, HTML, HTML5, CSS, CSS1, CSS2, CSS3, XML, XAML, JavaScript, Ajax, JQuery, JSON, Bootstrap, Angular (v8, v14), ASP.NET WEB Forms, Linq, REST API, WEB API, Micro-Services, Multi-Threading, Window Forms, Windows Presentation Foundation (WPF), Windows Communication Foundation (WCF), WEB Services, SOA, SOAP, LDAP, Active Directory (AD), VB6 Databases: MS SQL Server, MS Access, Oracle, Entity Framework (EF), SSIS, SSRS, ETL, Stored Procedures, Views, Triggers, Functions, Common Language Runtime (CLR), Table Variables, Table DEFs, RTI DDS

Architectural Patterns: MVC4, MVC5, MVC Core, MVVM Applications: Visual Studio & Visual Studio Code, Team Foundation Server (TFS), DevOps, Git, Source Tree, Git Extensions, Jira, BitBucket, NuGet, Docker, Unified Modeling Language (UML), Infragistics, Telerik Kendo UI, DevExpress, Microsoft Office Suite, Xamarin, IIS Standards and

Environments:

Object Oriented Design (OOD), Object Oriented Programming (OOP), SOLID, Software Development Life Cycle (SDLC), Agile, Scrum, Waterfall, Umbraco, HIPAA, X12, 837, 835, 834, 999, HL7, Electronic Data Interchange (EDI), Azure (Microsoft Cloud), UX, UI Operating Systems: Windows 7, Windows 8, Windows 10, Windows Server 2012, Windows Server 2016 Professional Experience

Sr. Principal Software Engineer 2021 - Present

Partnered closely with Developers and Product Owners to elicit business requirements from stakeholders and suggest appropriate alternatives that resolve concerns and boost functionality. Maximized client satisfaction and retention by building rapport, delivering product training, discussing critical issues, and recommending enhancements. Governed the full-scope development of innovative solutions across all areas of the application life cycle. Boosted customer satisfaction and retention by forming and strengthening trusted relationships through regular communication and periodic meetings with stakeholders. Elevated system efficiency and reliability by thoroughly testing fixes and enhancements, as well as remaining up-to-date on all documentation.

• SDC (7/2023 – 10/2023): Leveraged a wireless QR/Barcode reader, SQL Server, C#, MVC, ASP.Net 6 core, JavaScript, and AJAX to ideate and develop an innovative automated reorder system.

• University of North Carolina (1/2023 - 6/2023): Pioneered a state-of-the-art Windows Service that pulled data from a magnetic card reader (HID OMNIKEY 542) to assist students with filling in student applications and retrieving profiles through an API with Postman, C#, JSON Web Tokens (JWT), REST API, .NET 6, Windows Presentation Foundation (WPF), Window Forms, and XAM.

• General Dynamics - Threat Systems (June 2021 - May 2023): Swiftly learned RTI DDS protocol and Java, improved C++ knowledge, and built several internal web applications to deliver real-time signal processing for a RADAR system, storing data in an SQL server. Capitalized on C#, MVC 5, Window Forms, .NET Framework 6.0, JavaScript, Bootstrap, Angular, Visual Studio 2022, SQL Server 2016, APIs, DevOps, DevExpress, SourceTree and GIT to advance objectives. Utilized Python and PHP with .NET C# applications for an AI Project.

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Senior Software Engineer 2009 – 2021

Transformed diverse stakeholder and end-user needs into results by architecting, developing, and implementing cutting- edge software solutions with optimal efficiency, scalability, and functionality. Leveraged state-of-the-art technology to take solutions from creative ideas into production. Steered the end-to-end software development lifecycle to completion within time and budget constraints. Forged trusted client relationships to comprehend requirements, technical gaps, and current challenges. Capitalized on world-class technical abilities to act as a trusted advisor and SME to stakeholders to define processes and system relationships.

• Northrop Grumman - Satellite Division (2/2020 – 6/2021): Designed and rolled out stand-alone application to determine non-compliance items and how to achieve compliance. Tools used included C#, IIS, MVC 5, .NET Framework, .NET Core, DevExpress, JavaScript, Bootstrap, Visual Studio 2019, WPF, Window Forms, SQL Server 2016, Entity Framework, Micro-Services, APIs, Jira, DevOps, SourceTree, and GIT.

• Young Living (9/2018 – 1/2020): Innovated and led maintenance for Web MVC and legacy VB6 applications with Oracle and PL-SQL databases. Capitalized on IIS for testing, .NET CORE, Angular (v8), DevExpress, JavaScript, Bootstrap, Window Forms, WPF, Docker, HTML 5, CSS3, Oracle PL-SQL, Micro-Services, and Azure as the release web application platform.

• Sonora Quest Laboratories (6/2019 – 8/2019): Steered the design and development of RESTful APIs, micro- services, and multi-threading to match laboratory results from one database with patient information in another.

• ProVision (3/2018 – 8/2018): Championed the conversion from a Microsoft Excel application to a web-based application taking advantage of ASP.NET, C#, and MVC 5. Tools included API, HTML5, CSS3, JavaScript, Angular(v6), JSON, REST, Bootstrap, Entity Framework, IIS, and Micro-Services (APIs).

• Arete Pharmacy Network (5/2017 – 3/2018): Enhanced financial integrity and accuracy by building an ETL SQL Server DataMart to streamline financial tracking and reporting. Commended by auditors for 100% accuracy. Conceptualized and designed an integral Windows Service in C# with multi-threading to drive the automated downloading and processing of medical 835 files

• BUCKAZ DataBridge (3/2017 – 5/2017): Improved the usability, scalability, and efficiency of a variety of websites using IIS, ASP.NET, HTML5, MVC 4/205, CSS, CSS3, JavaScript, Jquery, Ajax and AngularJS 1.5. Expertly developed Azure solutions to innovate current websites. Capitalized on Umbraco CMS and MongoDB to build new websites that meet company and user requirements.

• The Salon (1/2017 – 4/2017): Pioneered a captivating new salon website that promoted sales through images and monthly specials. Technologies included IIS, ASP.NET, HTML5, CSS3, JavaScript, Bootstrap, Jquery, AngularJS, and C#. Heightened salon productivity by creating an Xamarin application to manage appointments with ease.

• General Atomics (12/2016 – 3/2017): Drove the successful development of key software that assisted RFGen barcode readers to interface with the SAP repository. Leveraged ASP.NET, HTML5, CSS3, Bootstrap, MVC 5, JavaScript, Ajax, and JQuery to build a secured website that displayed received invoices to shipping vendors.

• Non-profit organization (9/2016 – 1/2017): Streamlined scanning and processing for various formats of bar codes through a cross-platform IOS/Android application with Visual Studio 2015, IIS, .NET framework, MVC, and C# using the Xamarin cross-compiler.

• Arizona Dept. of Economic Security (RSA Dept.) (3/2015 – 10/2016): Converted the database aspect of the MS Access application to an SQL server without modification to the front end in less than half the expected time.

• Performance Insights (7/2016 – 8/2016): Set up flat files in a Data Mart to achieve fast retrieval to produce reports utilizing SSIS, SQL Server, and C# with Common Language Runtime (CLR) to further manipulate the SSIS code.

• Blue Cross Blue Shield (Health Care Industry) (4/2015 – 2/2016): Directed an in-depth reverse engineering project across an Agile/Scrum environment, resolving issues and accomplishing targets within the defined timeframe.

• Avnet (10/2014 – 4/2015): Improved functionality for an internal web application by overseeing maintenance and swiftly resolving issues with Silverlight, C#, MVC, IIS, SQL Server, and Web Forms. Championed an Angular JS learning experience to assist the client with the schedule to rebuild the internal Silverlight website.

• Aetna (Health Care Industry) (5/2014 – 9/2014): Ideated a masking tool with both web and desktop versions for HIPAA standards 837, 835, and 834 using VB.Net, and SQL Server, T-SQL, Stored Procedures, and ADO.Net.

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Additional experience as a Senior Software Engineer at Cubex (2013 – 2014), Whitehat (2012 – 2013), Workman's Insurance (2012), JFCS (Health Care) (2010 – 2012), Carlson Wagonlit (2010), DOD (2009 – 2010), US Foods (2008 – 2009), Procentive (2008), Gaming Investors(2008), Rareview Interactive (2008), Johnson Consulting (2007-2008), Worldwide Laser (2006-2008), City of Phoenix (Dept. of Streets) (2003-2008), Primas Consulting (2006 – 2007), Wells Fargo Corp. (2003-2005), Lisa’s Doll Cottage (2001- 2003), AZ Department of Economic Security (2001 – 2003), TrekSys Inc. (2001-2002), American Express (2000), Wells Fargo (1999 – 2000), Intel Corp. (1999 – 2000), Select1 Transport Corp (1999), Salt River Project (1998), Motorola (1997-1998), University of Phoenix (1998), Mayo Hospital (1998), Orthologic Inc. (1997-1998), Dial Corp. (1997), Intel Corp. (1995 – 1997), and City College of New York.

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