Krzysztof Kruglak
Software Developer at Yasu IT
Toruń, Kuyavian-Pomeranian Voivodeship, Poland
Summary
🤩
Rockstar🎓
Top SchoolKrzysztof Kruglak is a Senior Software Developer with six years of experience building C#/.NET web applications and cloud integrations across AWS, Azure, and GCP. He has progressed through roles at RavenDB from junior to senior, contributing notable back-end work such as integrating PostgreSQL functionality and user management endpoints into the prominent RavenDB project. Equally comfortable maintaining production systems and designing integrations, he focuses on optimizing financial and internal processes through careful code review. As founder of Yasu IT, he pairs hands-on engineering with entrepreneurial initiative, delivering practical solutions beyond his day job. Based in Toruń, Poland, he blends strong server-side and database skills with React front-end experience, making him effective across the full stack. A detail-oriented developer, he often uncovers efficiency gains in legacy systems while implementing secure authentication and authorization flows.
6 years of coding experience
2 years of employment as a software developer
Bachelor of Engineering - BE, Applied Computer Science, Bachelor of Engineering - BE, Applied Computer Science at Nicolaus Copernicus UniversityIT specialist, Information Technology, IT specialist, Information Technology at School Complex no. 1 in Kutno
Github Skills (18)
ravendb10
postgresql10
back-end-development10
databases10
dotnet-core10
csharp10
data-integration10
sql-database10
admin9
dotnet9
database-administration9
net9
asp-net9
database9
apidoc8
Programming languages (2)
Github contributions (5)
ravendb/ravendb
Sep 2021 - Nov 2021
ACID Document Database
Role in this project:
Back-end Developer
Back-end DeveloperContributions:3 reviews, 25 commits, 3 PRs in 2 months
Contributions summary:Krzysztof focused on integrating PostgreSQL functionalities within the RavenDB database, enhancing the project's capabilities. They implemented endpoints for user management, specifically adding and deleting users, indicating a focus on database administration and integration. Their work involved modifying existing code, adding new endpoints, and creating supporting classes for the PostgreSQL integration. This included handling authentication and authorization, demonstrating skills in server-side logic and database interaction.
nosqlravendbnosql-data-storagenosql-databasesc-sharp
PFYasu/ravendb.docs
Feb 2024 - Mar 2025
Docs for RavenDB
Contributions:39 pushes, 16 branches in 1 year
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