Kosyrev Serge
Moscow, Moscow, Russian Federation
Summary
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RockstarSerge Kosyrev is an experienced technologist and business development leader with 18 years building secure systems, low-level tooling and reproducible infrastructure from kernel and hypervisor work to deployment automation. He led a 13-person research-and-development team at Positive Technologies, driving architecture, build systems, CI and production-grade prototypes for hypervisor-based secure endpoints while also directing Intel ME research and tooling. A Haskell and bare-metal hacker by practice, Serge has substantial open-source DevOps contributions to high-profile Cardano projects and NixOps, improving build pipelines, CI, deployment automation and fault-injection for blockchain nodes and wallets. Now in business development at Symbolian, he pairs deep systems engineering chops with product and go-to-market experience, able to translate complex technical tradeoffs into practical roadmaps. Outside work he pursues endurance habits—mountain running and fasting—which echo his methodical, long-horizon approach to engineering and research.
18 years of coding experience
Github Skills (45)
build-configuration10
boto10
nix10
scripting10
server-configuration10
batchfile10
cicd10
automation10
script10
automation-testing10
aws10
configuration-file10
build-automation10
project-configuration10
cabal10
Programming languages (23)
Github contributions (5)
input-output-hk/cardano-ops
Nov 2019 - Dec 2022
NixOps deployment configuration for IOHK/Cardano devops
Role in this project:
DevOps Engineer & Automation Engineer
DevOps Engineer & Automation EngineerContributions:2 reviews, 481 commits, 24 PRs in 3 years
Contributions summary:Kosyrev primarily focused on configuring and maintaining the `cardano-ops` repository, which involves NixOps deployment configurations for Cardano devops. Their contributions include modifying deployment configurations, particularly within roles such as `core.nix`, `explorer.nix`, and `tx-generator.nix`. The user also made changes to related scripts and configurations, like `bench.sh` and supporting files to improve the benchmarking and deployment process. This included adjustments to logging, systemd service configuration and added more tooling for analysis.
cardanodevopsnixops
IntersectMBO/cardano-node
Jun 2019 - Jan 2023
The core component that is used to participate in a Cardano decentralised blockchain.
Role in this project:Back-end Developer
Back-end DeveloperContributions:442 reviews, 858 commits, 316 PRs in 3 years 7 months
Contributions summary:Kosyrev's commits primarily focused on fixing issues related to the shell scripts used for the Cardano node, testnet and genesis, as well as the supporting C code. The commits involved modifying and correcting shell script invocations, configuration parameters, and data formatting. They also introduced a new command related to Shelley stake addresses and contributed to improvements in analysis tools. The user demonstrates a strong understanding of the Cardano project's architecture and infrastructure.
blockchaincardano
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