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Yeison Fernandez

@yeisonfernandez

Full-Stack .NET Developer at VML, modernizing Sitecore workflows with IAM integrations.

Costa Rica
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At VML, I supported a Sitecore-based enterprise web application for the Con Edison client project, handling back-end, front-end, CMS, and production issues. I delivered .NET and JavaScript enhancements, including responsive components and form workflows.

I also refactored account recovery and user-profile workflows to replace deprecated SSO endpoints with Identity Access Management integrations. I maintained Sitecore 10.4 content and developer tooling, and deployed changes to test environments through Azure DevOps CI/CD pipelines.

At 3M, I developed and supported C#/.NET enterprise applications and APIs for manufacturing operations. I worked on integrations with SAP ECC/EWM using REST APIs and NServiceBus, and helped troubleshoot production workflows with SQL Server, Splunk, and Dynatrace.

At SoftonITG, I helped modernize legacy Visual Basic applications with C#, .NET Core, and .NET MAUI. Earlier, I contributed to enterprise infrastructure support at Intel and developed desktop and mobile applications at Softland Costa Rica (Exactus ERP).

Experience

Work history, roles, and key accomplishments

SO

.NET Developer (Freelance)

SoftonITG

Nov 2022 - May 2024 (1 year 6 months)

Modernized legacy Visual Basic applications using C#, .NET Core, and .NET MAUI, rebuilding UI components with XAML and contributing to design, implementation, and testing.

Intel logoIN

Systems Engineer

Jun 2017 - Jul 2018 (1 year 1 month)

Supported Windows and Linux enterprise infrastructure, using PowerShell automation and Puppet-based configuration, and contributed to .NET MVC/AngularJS tools and SQL Server-backed dashboards.

Softland Costa Rica logoSR

Software Engineer

Softland Costa Rica

Sep 2016 - May 2017 (8 months)

Developed and supported C# desktop applications using WPF, mobile apps with Xamarin.Forms, REST API integrations, and SQL Server.

Education

Degrees, certifications, and relevant coursework

Universidad Nacional de Costa Rica logoUR

Universidad Nacional de Costa Rica

Undergraduate studies, Information Systems Engineering

Undergraduate studies in Information Systems Engineering, currently incomplete.

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