Mikhail Fesenko
Software Engineer at VKontakte Ltd
Amsterdam, North Holland, Netherlands
Summary
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RockstarMikhail Fesenko is a software engineer with 11 years of experience, currently working as an SRE at Booking.com in Amsterdam. He transitioned from Linux administration and backend development in PHP, Go, and Python, bringing a strong operational perspective to software reliability and infrastructure. His open-source contributions to wal-g show hands-on expertise in database backup and archival workflows, where he focused on refactoring core packages and simplifying backup/sentinel logic. Comfortable working close to production, he combines system-level troubleshooting with pragmatic code improvements that reduce complexity and improve maintainability. Colleagues benefit from his blend of ops discipline and backend engineering, making him effective at hardening systems that power large-scale services.
11 years of coding experience
Github Skills (6)
golang10
backup10
go10
postgresql10
archiving10
refactoring9
Programming languages (11)
Github contributions (5)
wal-g/wal-g
Apr 2021 - Sep 2021
Archival and Restoration for databases in the Cloud
Role in this project:
Back-end Developer
Back-end DeveloperContributions:21 reviews, 31 commits, 17 PRs in 5 months
Contributions summary:Mikhail primarily focused on refactoring and making small fixes within the codebase, specifically in the areas of timeline, query runner, and bundle functionalities. They addressed issues by improving code comments and incorporating size-related fields. Furthermore, the user contributed to the refactoring of meta providers, and simplified code related to backup and sentinel files. Their contributions centered on internal package improvements, with a focus on enhancing core archiving and database backup operations.
golangsqlservermysqlrestorationdatabases
proggga/training
Dec 2020 - Mar 2021
Contributions:38 commits, 2 PRs, 40 pushes in 2 months
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