Grisha Kostyuk
Yaremche, Ivano-Frankivsk Oblast, Ukraine
Summary
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RockstarGrisha Kostyuk is a versatile software engineer with 15 years of experience specializing in backend development and DevOps, working primarily with Python and cloud-native tooling. Based in Yaremche, Ukraine, he has a strong track record contributing to mission-critical projects and improving infrastructure, from Dockerized deployments to CI maintenance. His open-source contributions include bug fixes and feature work for LocalStack, a widely used local AWS cloud emulator, where he strengthened S3 behavior and testing workflows. Across roles at companies like Like A Local Guide and Ostrovok.ru, he has blended hands-on coding with operational improvements to delivery pipelines. Grisha prefers remote opportunities and brings pragmatic problem-solving—often tackling subtle edge cases in distributed systems and test environments.
15 years of coding experience
7 years of employment as a software developer
Github Skills (16)
aws-s310
sh10
script10
docker10
shell10
aws10
amazon-s310
back-end-development10
dockers10
scripting10
python10
cicd10
s3-bucket10
testing10
apidoc9
Programming languages (5)
Github contributions (5)
superdesk/superdesk
Sep 2016 - Sep 2017
Superdesk is an end-to-end news creation, production, curation, distribution, and publishing platform.
Role in this project:
DevOps Engineer
DevOps EngineerContributions:46 commits, 64 PRs, 58 pushes in 1 year
Contributions summary:Grisha's primary contributions focused on infrastructure and configuration management, as evidenced by changes to Docker and related shell scripts. Their work involved modifying environment variables for WebSocket URLs, fixing build processes, and adjusting the application's startup behavior within a Dockerized environment. Furthermore, the user appears to maintain the continuous integration process, fixing code style issues. The user's actions demonstrate a good understanding of the project's deployment and infrastructure.
publishingend-to-endcurationcreationnews
localstack/localstack
Nov 2021 - Dec 2021
💻 A fully functional local AWS cloud stack. Develop and test your cloud & Serverless apps offline
Role in this project:Back-end Developer & DevOps Engineer
Back-end Developer & DevOps EngineerContributions:17 reviews, 15 commits, 21 PRs in 1 month
Contributions summary:Grisha primarily contributed to the back-end functionality of the project by fixing bugs and implementing improvements to the S3 service. They addressed issues related to deleting objects from non-existent buckets, handling OPTIONS requests, and MD5 checksum validation. Additionally, the user made changes related to setting environment variables and skipping tests related to the pro version of the software. This demonstrates their involvement in both the core functionality and the infrastructure/testing aspects of the project.
serverless-cloudpythonaws-cloudtestingserverless
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