Kirill Sibirev is a senior software engineer with 13 years of experience building web and cloud-native systems, currently focused on serverless and AI infrastructure at Nebius in Amsterdam. He moved from Python/Django web development into big data and MapReduce pipeline work at Yandex Knowledge Graph, and since 2020 has been shipping production serverless features primarily in Go and Java. Kirill has hands-on experience running services on Kubernetes, improving CI/CD and acceptance testing, and has led small teams while interviewing and onboarding junior engineers. He contributes to open-source Django tooling—improving JSON field handling for better developer ergonomics—and brings practical knowledge of C/C++, JavaScript, PHP, Docker, Debian packaging and ML workflows. Known for pragmatic migrations, he once helped rehost a CORBA-based system into a Python/Django cloud deployment without a full rewrite, showing a bias for safe, incremental modernization.
13 years of coding experience
12 years of employment as a software developer
Specialist, Computer Software Engineering, Specialist, Computer Software Engineering at Bauman Moscow State Technical University
A reusable Django model field for storing ad-hoc JSON data
Role in this project:
Back-end Developer
Contributions:6 commits in 1 day
Contributions summary:Kirill primarily contributed to the `jsonfield` Django application, focusing on improving the handling and formatting of JSON data. Their contributions included adding indentation for pretty-printed JSON in ModelForm outputs, merging code, and fixing bugs related to null values. The user also made changes to the `dumps_for_display` function and other related code. The changes suggest a focus on improving the usability and functionality of the JSON field within a Django context.
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Kirill Sibirev - Senior Software Engineer at Nebius