Denis Rechkunov
Principal Software Engineer at Elastic
Berlin, Germany
Summary
🤩
Rockstar🎓
Top SchoolDenis Rechkunov is a Principal Software Engineer based in Berlin with 12+ years of experience building everything from low-level device protocols to high-scale distributed systems and developer tools. He focuses on pragmatic, maintainable solutions that balance performance, security and user experience, and has repeatedly driven cross-team projects and engineering practices such as introducing linters and CI/security ownership. At Elastic he contributed to Beats and Elastic Agent—improving file ingestion, creating migration flows, fingerprint-based file identification, and performance optimizations that reduced data loss for customers. His background spans Go, Scala, Java, TypeScript and distributed architectures, with platform work at Contiamo and gateway and frontend experience from Zalando, AWS and 2GIS. An active contributor to the elastic/beats project, he blends deep systems knowledge with product-minded engineering and hands-on mentoring. Notably, he built Catberry.js earlier in his career, reflecting an enduring interest in tooling and developer experience.
12 years of coding experience
14 years of employment as a software developer
Master's degree, Computer Software Engineering, Master's degree, Computer Software Engineering at Altai State Technical University
Russian, English, German
Github Skills (12)
elasticsearch10
elasticsearchquery10
kafka10
go10
aws-elasticsearch10
filebeat10
elasticsearch-api10
amazon-elasticsearch10
testing9
devops8
metricbeat3
gcp3
Programming languages (13)
Github contributions (5)
elastic/beats
Dec 2021 - Jan 2023
:tropical_fish: Beats - Lightweight shippers for Elasticsearch & Logstash
Role in this project:
Back-end & DevOps Engineer
Back-end & DevOps EngineerContributions:714 reviews, 32 commits, 389 PRs in 1 year 1 month
Contributions summary:Denis primarily contributed to the elastic/beats repository by implementing features, fixing bugs, and optimizing the performance of the Elasticsearch and Kafka outputs. Their work involved handling HTTP status codes from Elasticsearch, refactoring code to accommodate changes in the project's architecture, and fixing issues within the Kafka input. They also added support for non-unique keys in the Kafka output headers and implemented various improvements and optimizations. Moreover, the user has also worked on code related to testing the overall solution.
tropicalheartbeatlogstashbeatsfilebeat
pragmader/navimacs
Sep 2017 - Dec 2021
Contributions:6 releases, 16 commits, 12 pushes in 4 years 3 months
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