Vadim Raskin
Stuttgart, Baden-Württemberg, Germany
Summary
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RockstarVadim Raskin is a seasoned software engineer with 11 years of experience specializing in cloud-native, serverless platforms and scalable backend systems using Go and Kubernetes. Based in Stuttgart, he combines production-focused DevOps skills with backend development, contributing notable improvements to high-profile open-source projects like Apache OpenWhisk and Knative Serving. His work touches both reliability and performance: from refactoring core request-handling components and autoscaling logic to hardening test timeouts, load balancer code, and Kafka connections. A pragmatic problem-solver, he favors clean organization and observability improvements that make complex distributed systems easier to operate.
11 years of coding experience
Github Skills (21)
autoscaling10
kubernetes10
openwhisk10
apache10
java10
javas10
go10
kubernetes-pods10
functions-as-a-service10
serverless10
knative10
testing9
networking9
cicd9
scala9
Programming languages (10)
Github contributions (5)
apache/openwhisk
Jul 2017 - Oct 2018
Apache OpenWhisk is an open source serverless cloud platform
Role in this project:
Back-end & DevOps Engineer
Back-end & DevOps EngineerContributions:30 commits, 53 PRs, 19 pushes in 1 year 3 months
Contributions summary:Vadim contributed to the Apache OpenWhisk project by addressing issues related to action timeouts and load balancer data management. They increased timeouts for tests and refactored load balancer data into a separate class for better organization. Additionally, the user made changes to support round-robin controller deployment, which included adjusting throttle limits and updating related tests. The user's work also involved setting up secure connections to Kafka and improving logging.
serverless-cloudfunctionsserverlessapachedocker
knative/serving
Nov 2018 - Feb 2019
Kubernetes-based, scale-to-zero, request-driven compute
Role in this project:Back-end Developer
Back-end DeveloperContributions:9 commits, 17 PRs, 245 comments in 3 months
Contributions summary:Vadim primarily contributed to refactoring and enhancing the core components of the Knative Serving project. They focused on renaming and restructuring components such as "Activator" and "Breaker," impacting request handling and concurrency management. The user also made several changes to the autoscaler component by aggregating and addressing multiple instances. These changes included implementing new features to improve performance and reliability.
golangzerodeveloper-productivitynetworkingserverless
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