Ernesto Valcarcel
Owner Principal Software Engineer at Allwaynet LLC
Atlanta Metropolitan Area United States
Summary
👤
Senior🎓
Top SchoolErnesto Valcarcel is an independent Principal Software Engineer with 20+ years of experience designing and delivering high-performance, high-availability backend systems across finance, healthcare, retail, and government. He specializes in .NET/ASP.NET Core and SQL Server performance tuning, solving real-world production bottlenecks for systems handling millions of daily requests and thousands of concurrent devices. Ernesto combines hands-on implementation—APIs, distributed architectures, and monitoring—with architecture-level guidance for scalability, observability, and reliability. As the owner of Allwaynet LLC he consults part-time or by project, often using AI-assisted tools to accelerate troubleshooting and testing. He is also an active open-source maintainer of .NET tooling for testing and server simulation, reflecting a practical focus on reproducible performance validation. Based in the Atlanta area, he brings a rare mix of deep SQL expertise, systems engineering, and operational troubleshooting.
9 years of coding experience
15 years of employment as a software developer
Bachelor of Science in Electrical Engineering (BSEE), Telecommunications and Electronics, Bachelor of Science in Electrical Engineering (BSEE), Telecommunications and Electronics at Havana Polytechnic University
English, Spanish, French
Stackoverflow
1reputation
0reached
3answers
0questions
Github Skills (31)
specflow8
asp-net-core7
asp-net7
webapi6
database6
api-documentation6
task-parallel-library6
entity-framework6
asp-net-mvc6
unit-testing6
dapper6
database-server5
testing5
csharp4
dotnet4
Programming languages (1)
Github contributions (5)
dbsafe/dbsafe
Oct 2017 - Sep 2024
dbsafe – A helper library that supports writing database integration test for .NET
Contributions:26 PRs, 201 pushes, 28 branches in 7 years 1 month
dotnettestinghelper-libraryintegration-testcsharp
valcarcelperez/netcom
Nov 2017 - Mar 2024
Contributions:3 pushes, 1 branch in 6 years 5 months
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