Serhiy Zastavnyy
Software Engineer at Playtika
Kyiv, Ukraine
Summary
🤩
Rockstar🎓
Top SchoolSerhiy Zastavnyy is a seasoned Software Engineer and technical leader with 11+ years delivering server-side Java systems, cloud data pipelines, and trading and B2B platforms across AWS and GCP. He has led engineering teams at Finalto and Zoral, blending hands-on Spring/BigQuery development with customer-facing requirements and automation for asset pipelines. Early ERP and enterprise integration experience at SAP and EPAM gave him deep expertise in Java, middleware, and database-backed systems, while recent roles focus on cloud-native architectures and scalable data delivery. An active open-source contributor, Serhiy has improved Django admin tooling and contributed cross-language fixes and automation to the popular Cataclysm: Dark Days Ahead project, showing curiosity beyond his day job. Colleagues describe him as sociable, quick to learn, and pragmatic—equally comfortable debugging low-level C++ or modernizing Python tooling.
11 years of coding experience
21 years of employment as a software developer
Master of computer science. Information management systems and technologies, Master of computer science. Information management systems and technologies at Ternopil State 'Ivan Pul'uj' Technical Universitysecondary education, secondary education at Terebovlya gymnasium
Ukrainian, English
Stackoverflow
1reputation
0reached
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Github Skills (15)
cat10
cl10
git10
automation10
ca10
automations10
c-language10
cprogramming-language10
pytest10
python10
scripting10
django10
game-development9
version-control9
json9
Programming languages (16)
Github contributions (5)
saxix/django-adminactions
Aug 2015 - Apr 2017
collection of useful django actions to use with ModelAdmin or AdminSite.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:18 commits, 11 PRs, 30 comments in 1 year 8 months
Contributions summary:Serhiy primarily contributed to improving and extending the functionality of Django admin actions. Their work focused on fixing bugs related to merging objects, particularly with ManyToManyFields and DateTimeFields. They also added tests to enhance the reliability of the actions and improved the codebase by addressing warnings from flake8 and isort and refining the codebase. Several commits demonstrate their understanding of Django's model relationships and the admin interface.
djangopythondjango-admin
I-am-Erk/CDDA-Tilesets
Jul 2020 - Dec 2021
Master tileset repository for Cataclysm: Dark Days Ahead
Role in this project:Automation Engineer / Build & Release Engineer
Automation Engineer / Build & Release EngineerContributions:9 releases, 63 reviews, 184 commits in 1 year 4 months
Contributions summary:Serhiy focused on developing and maintaining tooling scripts for the `cdda-tilesets` repository. They created and updated scripts related to slicing and combining multitiles, including adding support for new features like overmap multitiles and improved argument handling. Their work streamlined the process of generating tileset assets for the Cataclysm: Dark Days Ahead game, reflecting a focus on automating and improving the asset pipeline.
gamecataclysmtilesetmasterdark
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