Sergey Zhuk
Lead SRE DevOps Engineer at HumanSignal
Lisbon, Portugal
Summary
🤩
Rockstar🎓
Top SchoolSergey Zhuk is a Lead SRE/DevOps Engineer with 11 years of experience building and operating resilient, cloud-native infrastructure from Lisbon. He has progressed from hands-on system administration to leading SRE practices at startups and enterprises, including Grid Dynamics, Samsung NEXT @ Whisk, and currently HumanSignal. Sergey specializes in production-focused deployment automation, containerization, and immutable infrastructure—evidenced by his contributions to Label Studio where he revamped Docker entrypoints, added uWSGI/Nginx, and enabled read-only filesystem deployments. He combines strong scripting and CI/CD expertise with a pragmatic focus on security (SSL automation) and operability. Known for turning deployment complexity into repeatable, auditable pipelines, Sergey blends team leadership with deep implementation experience.
11 years of coding experience
7 years of employment as a software developer
Bachelor of Information Technology Computer Science and Engineering, Bachelor of Information Technology Computer Science and Engineering at Saratov State University named after N.G.Chernyshevsky
Russian, English
Github Skills (18)
docker10
uwsgi10
scripting10
configuration-management10
cloud-infrastructure10
dockers10
cicd10
automation10
script10
infrastructure10
automation-testing10
sh10
automations10
nginx10
shell10
Programming languages (14)
Github contributions (5)
HumanSignal/label-studio
Jul 2021 - Jan 2023
Label Studio is a multi-type data labeling and annotation tool with standardized output format
Role in this project:
DevOps Engineer
DevOps EngineerContributions:261 reviews, 215 commits, 505 PRs in 1 year 6 months
Contributions summary:Sergey primarily contributed to the infrastructure and deployment aspects of the project. They implemented and configured various scripts for the Docker entrypoint, focusing on database setup, SSL certificate configuration, and environment variable injection. They also introduced uWSGI and Nginx for improved web server management and optimized the Docker build process. The contributions involved significant changes to deployment scripts to support a read-only file system.
semantic-segmentationtext-annotationannotation-toolimage-classificationdata-labeling
HumanSignal/label-studio-terraform
Jul 2022 - Dec 2022
Contributions:18 reviews, 4 commits, 17 PRs in 5 months
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