SUMMARY:

• 11 plus years of professional experience working in healthcare, financial, government, manufacturing and retail verticals for major international companies.
• XAMARIN technologies for Cross platforms ecosystems IOS, Android, UWP (Windows).
• Master's Degree in Web Technologies and Mobile Devices, with proven experience and knowledge certifications in Microsoft Software Development technologies.
• Experience with web sites design and responsive design web sites using ASP.NET,HTML,HTML5,CSS3, JavaScript, Angular JS, Jquery, AJAX, Bootstrap, Jquery Easy UI, Knockouts, React, C#, MVC 3, 4,5, MVP, Java 2, JSP, Java Servlet, Dev Express Components, Telerik Web Components, Infragistics Net Advantage,.Net Core.
• Extensively experience in Desktop application Using Windows Forms, Windows Presentation Foundation, Universal Windows Platform.
• Extensive experience creating and consuming services SOAP Services ASMX, Windows Communications Foundations Services, Restful services, WEP API using Net Framework and .Net Core, ORM, MICRO ORM, Entity Framework, Dapper, LINQ.
• Experience using MVVM frameworks, maintaining clean software architecture by separating roles.
• Strong experience on Object Oriented Programming (OOPS).
• Experience in Scrum and Waterfall project methodologies.
• Strong knowledge with databases SQL Server 2005, 2008, 2008 R2, 2012, MySQL, PostgreSQL, Oracle 9i, 10g, Sybase, MongoDB, SQLite, Triggers, Stored Procedures, Functions, Cursors, Advanced Queries, Task Programing, Backup and Maintenance.
• Experience managing the different phases of software development life cycle, translating requirements into user - valuable solutions by following agile standards and DevOps practices.
• Knowledge deploying Android applications on Google Play Store, IOS Market Place and Windows Store.
• Experience with Hybrid applications using Apache Cordova, Phone gap and IONIC.
• Experience on Mobile UI using XAML and external resources as primary tools.
• Experience managing teams by coordinating plan actions, development process and testing phases thru SCRUM methodologies.
• Experience executing unit tests in order to deliver the best experience for the end user.
• Knowledge on using Azure Mobile Services, implementing several back-ends for mobile applications.
• Experienced professional with solid SDLC experience with Continuous Integration / Continuous Delivery) with TFS, GIT/GIT-HUB, among others.
• Authorized to work in the US for any employer

WORK EXPERIENCE:

.Net Lead/ Xamarin Developer

Confidential, Remote

Responsibilities:

• Responsible for integrating new service architecture for legacy systems, step-by-step complex workflows, modular integration of new applications for mobile devices using photo-camera, GPS and Service Rest Communication.
• Requirement analysis and adapted company's legacy systems.
• Legacy migration projects to new platforms such as Mobile oriented solutions, ERP components, geo-location and image recognition, using XAMARIN as core technology for delivery cross platform applications: IOS, Android Windows UWP and API Rest/ Web Services integration to other systems.
• Design, model and deployed complex Web, API/Web Services/ Desktop/ Mobile/ Cloud solution with different Architecture patterns following Industry and Vendor best practices.
• Developed core functionality, and setup the layers according architecture.
• Developed Web site application and desktop application.
• Developed Mobile Application for Android IOS and Windows using Xamarin .forms.
• Responsible for the development of all business components that contribute to business growth in commercial, accounting and administrative areas.

Environment: Xamarin, Xamarin.Forms, XAML,UWP, Team Foundation, Microsoft Visual Studio 2015, .NET (C#), MVC, Entity Framework, RESTful services, HTML 5, CSS 3, Java Script, JQuery, Angular JS, Bootstrap, SQL server 2012 R2.

Confidential, Remote

Senior .Net/ Xamarin Developer

Responsibilities:

• Coded the module responsible for making a claim report for the Android operating system using Xamarin Android and Xamarin IOS, by means of the current Geo-location of the insured person's mobile device, as well as notifications in real time, sending and retrieving images through the camera or gallery, for faster and more efficient user service.
• WCF Services created for Backend functionality that uses in the claim report mobile application.
• Created WCF services taking as base de business logic layer and exposed to be used throw remote ecosystems.
• Created website for the issuance of automobile policies consuming the WCF service.
• Coded calculation component based on characteristics of the vehicle such as year, brand, mileage and contracted coverage.
• Implemented multiplatform, multi browser and responsive mechanisms on the web site.
• Coordinated software development teams to ensure that user requirements are met in a timely manner, as requested.
• Developed components and modules for applications.
• Interacted with the various areas of the process of developing solutions to provide a team of supplies necessary to carry out their activities with the required quality
• Develop and modelling new project architecture within Architecture Team.
• Created WCF services taking as base de business logic layer and exposed to be used throw remote ecosystems.
• Created windows forms application for the claim administration system, implementing a façade design pattern.
• Coded the modules in C# using third part components Dev Express for better view and extensive functionality.
• Implemented multilayer patterns and shell design with reflection.

Environment: Microsoft Visual Studio 2012, 2013,C#, VB.net, N layers, LINQ, Windows Communication Foundation Services, Sybase, Dev Express Components.

.Net Lead/ Xamarin/ Solution Architect

Confidential - Partial Remote

Responsibilities:

• Analyse software tools used in the operation of the company.
• Detect physical layers of hardware, servers, communication levels, replication and redundancy.
• Designed, developed and deployed into production important Enterprise-wide solutions with scalable architectures according to current and near future business dynamics, Service and micro-service scalable solutions using Multi-Layer Architecture (MLA) Service Oriented Architecture (SOA), Aspect Oriented Architecture (AOA) and Domain Oriented Architecture (DOA) solution models, Data Structure, N-tier architecture, design patterns (Singleton, Factory, Repository), architectural patterns (MVW,MVC, MVP, MVVM).
• Build Mobile Applications using Xamarin as platform, optimizing the development process by launching to the three main OS: Android, iOS and Windows.
• Developed cross platforms solutions for mobile devices using XAMARIN.
• Identify software components involved in the process, as well as their interaction, levels of execution, responsibility of each one and scope in the process.
• Detect causes of the most critical problems in the systems presented by the client as well as their solution alternatives based on different investment factors.
• Create flow diagrams of current processes, diagrams or view of components, diagrams or view of Interaction and diagrams or view of Sequences.
• Architectural document exposing the different proposed alternatives, with their pros and cons elements of scalability, performance and resource saving.
• Cycles of sessions with the client to submit proposals and modify based on their observations to achieve the authorized proposal.
• Created solution in Visual studio with the necessary projects for the division of layers according to the architecture.
• Environment: Microsoft Visual Studio 2017, Balsamiq Mock-ups, Draw IO, Zoom.
• Project Name: Site linking System SLS (Client - Verscend)
• A set of tools was created for the automatic process of detection of suppliers, as well as the standardization of process through the system for all its clients, this was achieved through a Windows service, which is observed within the company's SFTP and it processes the input file instantaneously. A workflow was created where a series of automatic categorization rules exist. For the rest of the undetected data, a website was created for manual intervention in the mode of an automatic corrector to link the appropriate provider based on the providers suggested by the system
• Responsibilities:
• Coding a windows service with the main functionality using C# and SSIS.
• Coding the website using c#, angular, CSS3, bootstrap, WEB API, .Net Core, Dapper, SQL server, MVC and MVW patterns.
• Create stored procedures, functions, and database objects required.
• Coding Rest full service using .Net core, REDIS, MVC and SQL server.
• Participate in the mobile application development for the notification of claims and movement notifications to the insured, using as a core cross platform tool Xamarin.
• Model, plan and developed a mobile application for alerts and authorizations were the options that supervisors could perform on their mobile devices, this module was developed in XAMARIN and services with .Net core to accelerate the multiplatform process, was released for iOS and Android only.
• Develop unit-testing methods.
• Develop process monitor and the detection of advances for the identification of suppliers, notifications.
• Software development planning to ensure artefacts and full deliveries on time and quality. Sprint planning based on the team capacity, assigning the tasks according their complexity and time spend it for resolve it.
• Supervise the correct use of architecture and code patterns and conventions, adhering the development of the team to the client and industry standards.
• Constantly monitor the progress of team members, to ensure the artifacts delivery and help solving technical team issues.

Environment: For mobile application: Xamarin Forms, XAML, MVVM. For API: .Net Core 2.0. Web API, ADO.NET, SQL server 2012 R2 & For SLS Web Site: Microsoft Visual Studio 2017, C#,MVC, HTML 5, CSS 3, Java Script, JQuery, Angular JS, Bootstrap, SQL server 2012 R2.

Senior Software Developer

Confidential - Partial Remote

Responsibilities:

• Analyse and developed client's requirements.
• Developed components and modules for applications.
• Created complex models, queries and database structures.
• Developed cross platforms solutions for mobile devices using XAMARIN.
• Develop and migrated web services ASMX, WCF and RESTFULL.
• Developed complex web sites with different technologies.
• Develop and modelling new project architecture.
• Interacted with the various areas of the process of developing solutions to provide a team of supplies necessary to carry out their activities with the required quality
• Manage project life and assigned modules to develop.

Environment: Microsoft Visual Studio V*,C#, Xamarin, VB.net, MVC, LINQ, Entity Framework, Windows Communication Foundation Services, HTML 5,CSS 3, Java Script, JQuery, Bootstrap, Modernizer, Sybase, MySQL, SQLite, Dev Express Components, Telerik Web Components, Java Net beans, Eclipse.