Sergio Villarreal Email & Phone Number

Austin, TX, US

Charlotte, North Carolina, United States

• Responsible for designing, implementing, and maintaining secure cloud infrastructure on Microsoft Azure, focusing on Infrastructure as Code (IaC), CI/CD pipelines, and event-driven architectures. Lead backend.
• Design and maintain secure Azure infrastructure using Terraform (IaC) and Terraform CDK with TypeScript
• Implement robust networking solutions (Application Gateway, VNets, firewalls)
• Monitor Azure services for performance, security, and up-to-date configurations
• Create and maintain CI/CD pipeline templates for streamlined development and deployment
• Manage multi-environment releases and implement CI/CD pipelines

Charlotte, North Carolina, United States

• Recruited to leverage Azure technologies for creating innovative architectures, services, and designing comprehensive solutions using Azure Cloud Architecture. Established best practices for back-end development while.
• Design and develop scalable Azure cloud solutions and architectures for complex business requirements
• Establish best practices using CLEAN Architecture and SOLID Principles, ensuring code quality and maintainability
• Lead development of high-performance back-end services using ASP.NET Core
• Orchestrate integration of legacy systems with new services
• Architect and implement Azure solutions utilizing Cosmos DB, Azure SQL, Azure Service Bus,.NET APIs, and Azure Functions

Monterrey, Nuevo León, Mexico

• Expansion Project LeadLed the strategic planning and implementation of a new company entity in Monterrey, Mexico. Managed all aspects of the expansion, from initial conception to successful establishment of the new.
• Conceive and strategize an expansion plan for the new entity in Monterrey, Mexico
• Present operational costs and plans to the leadership team, including the CFO and COO
• Source and liaise with local law firms for business entity establishment
• Research and select appropriate office spaces
• Negotiate leases for the chosen office location

Charlotte, North Carolina Area

• Azure Solutions ArchitectLed client projects to create innovative architectures and services using Azure Technologies. Designed cloud solutions, established best practices for back-end development, and integrated.
• Design and implement Azure cloud architectures for client projects
• Establish best practices using CLEAN Architecture and SOLID Principles
• Develop back-end services using ASP.NET 5
• Integrate legacy systems with new Azure-based services
• Design and develop Azure solutions using Cosmos DB, Azure SQL, Service Bus, AD B2C,.NET APIs, Azure Functions, and Managed Identities

Charlotte, North Carolina, United States

• SaaS Project LeadLed client projects to create SaaS solutions using Azure Cloud Architecture, implementing DevOps practices and establishing best practices for back-end development. Focused on creating robust, scalable.
• Lead development of SaaS solutions using Azure Cloud Architecture
• Create and implement DevOps Pipelines for CI/CD of all services
• Establish best practices for back-end services using CLEAN Architecture and SOLID Principles
• Oversee development using ASP.NET Core 3.1 for back-end technology
• Direct creation of automation test framework using C# and Specflow for E2E and integration testing

Charlotte, North Carolina, United States

• Data Analyst and PowerBI Developer at Ally BankLed data analysis and visualization projects, focusing on unstructured data profiling and reporting. Collaborated with stakeholders to align data solutions with business.
• Create comprehensive reports for data dictionary, profiling, and sampling of unstructured data
• Develop and organize data profiling results using PowerBI
• Visualize unstructured data usage and types for CDP (Client Data Platform) model creation
• Collaborate with stakeholders to identify business problems and develop data-driven solutions
• Optimize indexes and queries to ensure peak database performance

Charlotte, North Carolina Area

• Senior Software Engineer Led the design and development of internal portal tools using modern technologies and best practices. Focused on creating scalable, maintainable solutions while ensuring high-quality code and.
• Design and develop internal portal tools using React and ASP.NET Core 2.1
• Implement Docker containers for cross-cloud deployment (AWS, Azure)
• Create software architecture ensuring quality, performance, maintainability, and extensibility
• Participate in Sprint planning, requirement gathering, and task estimation
• Lead code reviews and enforce industry-standard best practices

Charlotte, North Carolina Area

• Automation Project Lead at AvidXchangeLed multiple automation payment projects for clients, leveraging a diverse range of technologies. Focused on modernizing legacy systems and implementing scalable cloud-based.
• Oversee automation payment projects across three different client engagements
• Implement automation testing using Specflow and Selenium
• Develop ASP.NET WebApi projects for robust backend services
• Utilize Docker containers for both Windows and Linux environments
• Implement Wiremock for API simulation in testing and development

Charlotte, North Carolina Area

• Senior Software DeveloperKey team member responsible for leading Agile development processes, implementing Test-Driven Development, and designing robust software solutions. Focused on delivering high-quality.
• Daily Agile scrum meetings, providing status updates and progress reports
• Lead Sprint Planning sessions, gathering requirements and estimating development hours
• Implement Test-Driven Development for applicable tasks
• Design and develop user-centric solutions using ASP.NET, WebAPI, C#, AngularJS, and MSSQL Server
• Conceptualize software architecture to ensure quality, performance, and maintainability

Charlotte Y Alrededores, Carolina Del Norte, Estados Unidos

• Enterprise Mobile Application Developer at Duke EnergyLed the development and delivery of Enterprise Mobile Applications, utilizing cutting-edge Microsoft technologies and software architectures. Focused on.
• Develop Enterprise Mobile Applications using the latest Microsoft technologies
• Implement SOLID principles and MVVM design patterns
• Work within Agile Framework SCRUM
• Conduct code reviews and implement Microsoft UI Guidelines
• Develop XAML UI Stylesheets, navigation structures, and user controls

Querétaro Y Alrededores, México

• Migration Assessment Project Lead at Santander BankLed the comprehensive assessment of the VB6 to.NET migration project, coordinating all aspects from planning to final deliverables. Focused on gathering client.
• Coordinate and lead VB6 to.NET migration assessment, meticulously planning all project activities
• Design and conduct surveys within the client team to gather crucial insights and requirements
• Communicate project progress and migration assessment methodologies to the client
• Implement sophisticated estimating models for accurate VB6 to.NET application migration forecasts
• Utilize VBAT and VBUC tools to evaluate VB6 application codebases

Monterrey Y Alrededores, México

• Senior Developer and Solution Architect at QMaxLed research, development, and implementation of synchronization processes and application modernization. Focused on UI development, application refactoring, and.
• Research and develop POC for synchronization using Microsoft Sync Framework
• Implement UI designs using XAML UI Stylesheet
• Develop XAML and C# pages for front-end and back-end functionality
• Migrate and refactor legacy applications to C# using MVP Architecture
• Manage deployment processes using Visual Studio Setup Projects

Nuevo Leon

As the Sr. Web Developer for the e-wallet web application project, I was responsible for migrating and refactoring the PHP code to ASP.NET C# using a N-layer architecture. I implemented anti-fraud and money laundering prevention measures in the business layer and conducted unit testing of new functionality and modifications to the project. I also coded.

Nuevo Leon

As the Sr. Web Developer for the e-ticket web application project, I analyzed the system requirements and conducted unit testing, and also contributed to the creation of user manuals. I implemented the Exception & Logging Application Block and wrote LINQ queries, as well as designed and developed re-usable Class Libraries and Generics using.NET and C#.

Monterrey Y Alrededores, México

Project: MilieusProAs a developer for the MiliuesPro project, I employed my expertise in ASP.NET C#, JavaScript, jQuery, HTML, CSS, SQL Server 2008, IIS 7, and Visual Studio 2010 to bring the project to completion.I used an N-layer architecture and conducted an analysis of the system requirements using use cases, class diagrams, database diagrams.

Monterrey

I worked on the e-wallet web application as a full-stack developer. My responsibilities included implementing anti-money laundering and anti-fraud measures, conducting unit testing, coding HTML and CSS for the user interface, participating in the creation of user manuals, and implementing exception and logging functionality. I also wrote stored procedures.

Monterrey Y Alrededores, México

As a developer for the Players Club Card Print System, I was responsible for both front-end and back-end development. I implemented ID player validations for the business layer and conducted unit testing for the entire functionality of the project. I also coded HTML, PHP, CSS, and jQuery pages for the web user interface and integrated them with Zebra card.

In my role as a Sr. Developer for the Players Club web application, I was responsible for both front-end and back-end development of the platform. I implemented a Layers Architecture and SOAP WebServices and conducted unit testing on the functionality of the project. I coded HTML, PHP, CSS, and jQuery pages for the user interface, and provided training to.

Monterrey Y Alrededores, México

As a Full Stack Developer for the Online Payment System project, I was responsible for the development of both the front-end and back-end of the web application. I implemented a layers architecture and used SOAP web services to ensure optimal performance. I also conducted unit testing and coded HTML, PHP, CSS, and jQuery pages for the web user interface. I.

Monterrey Y Alrededores, México

As the Sr. Web Developer for the Online Entertainment Applications project, I implemented the Maxmind IP Location service and a database for anti-fraud credit card measures. I also disabled login from certain countries and implemented the Exception & Logging Application Block. I developed various stored procedures and complex SQL queries using Dreamweaver.

Monterrey Y Alrededores, México

As a Sr. Web Developer, I developed a point of sale system for restaurants and stores that enabled credit card payments through Verifone pinpads and swipecards (FULL EMV). My responsibilities included integrating with Verifone pinpads, implementing SOAP web services, implementing an anti-fraud database for credit cards, participating in the construction of.

Monterrey Y Alrededores, México

As the Sr. Web Developer for the point of sale system project, I was responsible for both front-end and back-end development, including the integration of Verifone pinpads and the implementation of SOAP WebServices. I also implemented a database for anti-fraud credit cards and participated in the construction of user manuals. I conducted unit testing of.

Monterrey Y Alrededores, México

As a web developer, for a news site featuring politics, entertainment, and sports content, I was responsible for both front-end and back-end development. I participated in the creation of user manuals and developed various stored procedures and SQL queries. The project was completed using Dreamweaver CS4 (PHP 4), MySQL, JavaScript, CSS, and Apache.

Master, Computer Systems Networking And Telecommunications

3 subjects, not finished

Dual Major: Industrial Engineering And Systems Engineering, Computer Software Engineering

Computer Software Engineering