Argyrios Gounaris
Reliability Engineering at Balyasny Asset Management L.P.
London, England, United Kingdom
Summary
👤
Senior🎓
Top SchoolArgyrios Gounaris is a reliability engineering leader with 11 years of experience building and operating distributed, cloud-native systems across finance, healthcare, and high-performance engineering. He has led SRE and productivity engineering teams at Goldman Sachs and Babylon and now focuses on reliability at Balyasny Asset Management, bringing deep expertise in Python, Java, AWS and Kubernetes. His background spans hands-on platform work from Oracle cloud automation to McLaren’s real-time engineering, blending production engineering rigor with developer productivity initiatives. An active contributor to open-source e-commerce tooling, he has improved search and Elasticsearch integrations in the Sylius project—evidence of his knack for optimizing complex data paths. He holds a master’s in Computing for Financial Services and often applies financial-grade reliability practices to AI and market-facing systems.
11 years of coding experience
16 years of employment as a software developer
Bachelor of Science (BSc) Informatics and Computer Technology, Bachelor of Science (BSc) Informatics and Computer Technology at Technical Institute Of Lamia2nd Highschool of Ilion AthensMaster's degree Computing for financial services, Master's degree Computing for financial services at Birkbeck, University of London
Github Skills (16)
amazon-elasticsearch10
elasticsearchquery10
php10
elasticsearch10
doctrine-orm10
aws-elasticsearch10
symfony10
symfony-ux10
elasticsearch-api10
apidoc9
symfony-bundle9
api9
rest-api8
algorithms8
algorithm8
Programming languages (6)
Github contributions (5)
Sylius/Sylius
Aug 2014 - Aug 2015
Open Source eCommerce Framework on Symfony
Role in this project:
Back-end Developer
Back-end DeveloperContributions:29 commits, 4 PRs, 6 comments in 1 year
Contributions summary:Argyrios primarily contributed to the Sylius SearchBundle, implementing and fixing features related to search functionality within the e-commerce framework. Their work involved modifications to the Elasticsearch and ORM finders, suggesting a focus on optimizing and integrating different search backends. The commits indicate improvements to indexing, full-text search queries, and facet generation. They also handled changes in the search controller and request handling.
apisyliusecommercephpheadless-ecommerce
Sylius/SyliusSearchBundle
Aug 2014 - Jan 2015
Contributions:26 commits in 5 months
splitsyliusbundlephpsymfony-bundle
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