Warren Chan
Senior Software Engineer at Fujitsu Australia Software Technology
Greater Sydney Area Australia
Summary
👤
Senior🎓
Top SchoolWarren Chan is a Senior Software Engineer based in the Greater Sydney Area with around 7 years of focused Full Stack .NET (C#) experience and a long history in software roles dating back to the late 1990s. He currently delivers production systems at Fujitsu Australia Software Technology, bringing practical experience from technical lead and analyst programmer roles across finance and technology firms. Warren contributes to open-source, notably fixing subtle data-type and array-handling bugs in the widely used Npgsql .NET PostgreSQL provider, showing attention to correctness in database integration. He combines backend expertise with a pragmatic understanding of testing and schema handling, improving reliability in data-heavy applications. Colleagues would describe him as detail-oriented and steady under complexity, with a track record of turning tricky interoperability issues into robust fixes.
7 years of coding experience
9 years of employment as a software developer
UNSW Sydney
Github Skills (10)
net10
asp-net10
databases10
dotnet10
postgresql10
csharp10
npgsql10
database10
sql9
unit-testing8
Programming languages (1)
Github contributions (5)
npgsql/npgsql
Jun 2020 - Jul 2020
Npgsql is the .NET data provider for PostgreSQL.
Role in this project:
Backend Developer
Backend DeveloperContributions:7 commits, 14 PRs, 67 comments in 1 month
Contributions summary:Warren primarily contributed to fixing bugs and enhancing the Npgsql .NET data provider for PostgreSQL. Their work included correcting data type mappings, specifically addressing issues with time and timestamp handling, and fixing issues related to array handling within the CommandBuilder. Additionally, the user implemented schema-related fixes, ensuring accurate data retrieval and type information, as well as improving test coverage.
dotnetprovidernpgsqldata-providersql
warcha/npgsql
Jun 2018 - Sep 2022
Npgsql is the .NET data provider for PostgreSQL.
Contributions:8 PRs, 201 pushes, 30 branches in 4 years 3 months
dotnetproviderdata-providernpgsqldatabase
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