Austin Drenski
Lead Software Engineer at CoStar Group
Columbus, Ohio, United States
Summary
🤩
Rockstar🎓
Top SchoolAustin Drenski is a Lead Software Engineer in Columbus, Ohio with nine years of experience building distributed systems and deterministic, containerized build pipelines for local and remote sandboxing. He combines hands-on backend and database expertise—demonstrated by notable open-source contributions to widely used PostgreSQL .NET projects like Npgsql and the EF Core provider—with a background in large-scale data architecture from the U.S. International Trade Commission. Austin has deep familiarity with PostgreSQL-specific types and range operations, API design, and reliability-focused refactors, and he’s comfortable translating complex legacy data into modern, testable platforms. He mentors teams on extensible, testable design and has applied economic modeling data skills to engineer production-grade data infrastructures handling hundreds of millions of records.
9 years of coding experience
5 years of employment as a software developer
Master’s Degree International Trade and Investment Policy, Master’s Degree International Trade and Investment Policy at The George Washington UniversityBachelor’s Degree Political Science International Studies, Bachelor’s Degree Political Science International Studies at The Ohio State University
French
Stackoverflow
506reputation
21kreached
25answers
1question
Github Skills (25)
unit-testing10
postgresql10
net10
databases10
dotnet10
entity-framework-core10
npgsql10
asp-net10
database-design10
dotnet-core10
type-conversion10
csharp10
database10
software-design9
dotnet-new9
Programming languages (13)
Github contributions (5)
npgsql/efcore.pg
May 2018 - Oct 2019
Entity Framework Core provider for PostgreSQL
Role in this project:
Back-end Developer
Back-end DeveloperContributions:107 commits, 219 PRs, 139 pushes in 1 year 5 months
Contributions summary:Austin primarily contributed to the development of the Entity Framework Core provider for PostgreSQL, focusing on implementing and fixing features related to range operations and handling various PostgreSQL-specific functionalities. The user addressed bugs, such as issues in the NpgsqlRangeTranslator and PgFunctionExpression, and streamlined components by simplifying the NpgsqlRangeTypeMapping. They also added support for network type operators, enum, and character type mappings, demonstrating a strong understanding of database-specific features.
dotnetprovidernpgsqlentitysql
npgsql/npgsql
May 2018 - Oct 2019
Npgsql is the .NET data provider for PostgreSQL.
Role in this project:Back-end Developer & Database Engineer
Back-end Developer & Database EngineerContributions:34 commits, 49 PRs, 46 pushes in 1 year 4 months
Contributions summary:Austin primarily focused on refactoring and improving the `NpgsqlRange<T>` struct, addressing issues related to equality and hashing. They also implemented validation and relaxed constraints for the `macaddr` and `macaddr8` data types. Further contributions include handling exceptions related to the `localtime` timezone configuration and incorporating schema updates to include foreign tables in GetSchema results.
dotnetprovidernpgsqldata-providersql
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