Erik Shafer
Senior Consultant at Erik Shafer LLC
Omaha, Nebraska, United States
Summary
👤
Senior🎓
Top SchoolErik Shafer is a Senior Consultant and software architect with nine years of professional experience building event-driven, distributed systems across ecommerce, insurance, transportation, and finance from Omaha, Nebraska. He blends hands-on engineering in both .NET and JVM ecosystems with practical Domain-Driven Design, event sourcing, CQRS, gRPC and GraphQL to deliver observable, replayable, and fault-tolerant solutions. Erik has led cross-functional teams to incrementally modernize legacy systems, shipping APIs and data pipelines while preserving behavior through careful regression testing and feature-flagged rollouts. He pairs developer advocacy and teaching—having served as a Developer Advocate and computer science tutor—with a consultant’s focus on pragmatic, value-driven outcomes. Outside of client work he runs his own consulting practice and enjoys proof-of-concept builds and hackathons that push architectural boundaries.
9 years of coding experience
9 years of employment as a software developer
Bachelor's Degree Computer Science, Bachelor's Degree Computer Science at University of Nebraska at OmahaAssociate's Degree Computer/Information Technology Administration and Management, Associate's Degree Computer/Information Technology Administration and Management at Metropolitan Community College
Github Skills (28)
server-side10
dotnet9
code-first9
ddd8
event-driven-design8
clean-architecture8
ebay-api8
ebay-sdk8
entity-framework-core8
eventstore8
cqrs8
messaging8
ecommerce7
event-driven-architecture7
event-sourcing7
Programming languages (3)
Github contributions (5)
erikshafer/CritterCommerce
Jun 2025 - Oct 2025
A reference ecommerce system using the Critter Stack, which supercharges .NET development by getting out of your way. This reference system showcases how Marten and Wolverine can simplify your development while providing robust features you've been seeking.
Contributions:43 PRs, 124 pushes, 39 branches in 4 months
cqrscsharpdomain-driven-designdotnetecommerce
erikshafer/DistributedSystems.Ecommerce
Mar 2022 - Feb 2023
A repository showcasing event driven and event sourcing practices with EventStoreDB.
Contributions:11 commits, 2 PRs, 7 pushes in 11 months
event-drivenevent-sourcingeventstoredistributed-systemsevent-driven-architecture
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