Olympia Kremmyda
Senior R&D SW Engineer at Nokia
Athens, Attica, Greece
Summary
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Rockstar🎓
Top SchoolOlympia Kremmyda is a Senior R&D Software Engineer with over a decade of experience blending backend development and site reliability engineering across telecom and e-commerce domains. She has deep C/C++ and Ruby on Rails roots and has moved into cloud-native operations, leading AWS migrations and building GitOps-driven infrastructure with Terraform, Kubernetes, EKS/ECS, and Helm. Her background in virtualized telecom platforms at Nokia and hands-on work with Kafka, Elastic, Redis and databases gives her a strong systems-thinking approach to fault management and performance optimization. Olympia contributes to notable open-source Ruby tooling—improving HTTP stubbing behavior in the widely used webmock library—which reflects her attention to edge cases and testability. She also explores research topics like GPGPU parallel programming and heuristic optimization, bringing an experimental, data-driven mindset to production-grade systems. Based in Athens, she thrives at the intersection of R&D, operations, and developer tooling.
10 years of coding experience
9 years of employment as a software developer
Bachelor's degree, Computer Science, Bachelor's degree, Computer Science at University of IoanninaMaster's degree, Computer Technology/Computer Systems Technology, Master's degree, Computer Technology/Computer Systems Technology at Ethnikon kai Kapodistriakon Panepistimion AthinonProgramming and Tuning Massively Parallel Systems, Programming and Tuning Massively Parallel Systems at Programming and Tuning Massively Parallel Systems Summer School (PUMPS) 2013
Greek, English, Spanish
Stackoverflow
1reputation
0reached
1answer
0questions
Github Skills (6)
ruby10
testing10
unit-testing9
api-design8
mysql6
ruby-on-rails6
Programming languages (6)
Github contributions (5)
bblimke/webmock
Dec 2017 - Jun 2018
Library for stubbing and setting expectations on HTTP requests in Ruby.
Role in this project:
Back-end Developer & Test Automation Engineer
Back-end Developer & Test Automation EngineerContributions:10 commits, 12 PRs, 4 pushes in 6 months
Contributions summary:Olympia primarily contributed to the `webmock` library by fixing bugs related to HTTP request handling, particularly addressing redirection issues and integrating the `curb` adapter. They also implemented functionality to pretty-print stub information, improving the readability of stub requests. Furthermore, the user added functionality to reset the `curb` adapter, as well as added a unit test for an edge case.
http-requestssettingstubbingexpectationsruby
oliakremmyda/downloader
Apr 2019 - Jul 2022
Async rate-limited downloading service
Contributions:47 pushes, 2 branches in 3 years 4 months
downloadingdownloaderasynchronousasyncioaiohttp
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