Gokhan Gulbiz
Software Engineer, Azure CosmosDB For PostgreSQL at Microsoft
Istanbul, Istanbul, Turkey
Summary
🤩
Rockstar🎓
Top SchoolGokhan Gulbiz is a software engineer with about 12 years of hands-on experience building SaaS products and distributed systems, now focused on Azure CosmosDB for PostgreSQL at Microsoft. He combines deep backend and database expertise (C/C++, Python, PostgreSQL) with solution architecture experience from fast-moving cloud and enterprise environments across EMEA. Gokhan has contributed substantive fixes and feature work to the widely used Citus extension for PostgreSQL—improving distributed table management, query semantics, and rebalancing behavior—highlighting his focus on performance and correctness in distributed databases. His background spans product and platform roles from startups to global enterprises, where he’s led technical teams, driven cloud migrations, and designed customer-facing systems. Based in Istanbul, he pairs practical engineering with architecture-level thinking and a track record of turning complex database challenges into reliable, production-ready solutions.
12 years of coding experience
12 years of employment as a software developer
Bachelor of Science - BS, Computer Engineering, Bachelor of Science - BS, Computer Engineering at Kocaeli University
Stackoverflow
1reputation
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Github Skills (11)
postgresql10
distributed-database10
sql10
c119
performance-optimization9
database-design9
c179
sharding7
git7
database-cluster7
go7
Programming languages (4)
Github contributions (5)
citusdata/citus
Aug 2022 - Jan 2023
Distributed PostgreSQL as an extension
Role in this project:
Back-end Developer / Database Engineer
Back-end Developer / Database EngineerContributions:45 reviews, 32 commits, 84 PRs in 4 months
Contributions summary:Gokhan primarily contributed to the Citus extension for PostgreSQL by implementing and fixing features related to distributed table management and query optimization. This includes addressing bugs in `alter_distributed_table` operations, enhancing `SELECT FOR UPDATE` queries, and improving the `citus_drain_node` functionality. Furthermore, they introduced a new GUC to propagate local settings during rebalancing and made performance improvements to the tenant monitoring system. Their work demonstrates a focus on core database features and distributed system optimization within the Citus extension.
distributedrelational-databasesqlcitusscale
XomniCloud/xomni-sdk-dotnet
Feb 2015 - Mar 2018
Contributions:4 releases, 17 PRs, 78 pushes in 3 years 1 month
apidotnetapi-sdksdkcsharp
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