Jakub Warczarek
Senior Software Engineer at Kong Inc.
Poznan Metropolitan Area Poland
Summary
🤩
Rockstar🎓
Top SchoolJakub Warczarek is a Senior Software Engineer with 11 years of hands-on experience designing and operating reliable, scalable, secure, and cost-efficient cloud-native systems. Currently focused on Kubernetes integrations at Kong, he has deep expertise in Go, AWS, and SRE practices from roles building SLO platforms, cloud foundations, and large-scale microservices. Jakub contributes to notable open-source projects—helping eksctl support AWS WAFv2/Shield for ALB Ingress and fixing concurrency issues in Telegraf tests—demonstrating practical impact on widely used tooling. He balances architecture and execution, having driven platform decisions, RFCs, and on-call responsibilities at startups through Series C. In parallel he teaches cloud technology at Adam Mickiewicz University, blending academic clarity with production-grade engineering. Colleagues value him for pragmatic trade-offs in cost and security and a hacker’s curiosity that surfaces subtle reliability fixes.
11 years of coding experience
7 years of employment as a software developer
Bachelor of Engineering - BE, Faculty of Computing - Automatic Controls and Robotics, A+, Bachelor of Engineering - BE, Faculty of Computing - Automatic Controls and Robotics, A+ at Poznan University of Technology
Polish, English
Github Skills (15)
telegraf10
amazon-eks10
kubernetes10
go10
aws10
devops10
ias10
kubernetes-pods10
concurrency10
testing10
influxdb8
monitoring8
dockers7
docker7
aws-cloudformation6
Programming languages (16)
Github contributions (5)
eksctl-io/eksctl
Apr 2020 - Jul 2020
The official CLI for Amazon EKS
Role in this project:
DevOps Engineer
DevOps EngineerContributions:9 commits, 3 PRs, 5 comments in 3 months
Contributions summary:Jakub primarily contributed to enhancing the IAM permissions related to AWS ALB Ingress controllers, focusing on integrating WAFv2 and Shield functionalities. Their work involved modifying IAM roles to enable necessary permissions for services such as AWS WAFv2 and AWS Shield, ensuring proper operation with the ALB Ingress controller. Additionally, they merged branches to incorporate these IAM updates and performed cleanup tasks, improving the operational readiness of the EKS cluster.
aws-cloudformationkubernetes-deploymentamazon-eksamazoneks
influxdata/telegraf
Jun 2020 - Jul 2020
Agent for collecting, processing, aggregating, and writing metrics, logs, and other arbitrary data.
Role in this project:QA Engineer / Test Automation Engineer
QA Engineer / Test Automation EngineerContributions:7 commits, 6 PRs, 3 comments in 11 days
Contributions summary:Jakub primarily focused on fixing data races within the test suites of various Telegraf input and output plugins. These fixes addressed concurrency issues in plugins like `suricata`, `stackdriver`, `tail`, and `cloud_pubsub`, demonstrating a strong understanding of Go's concurrency model and testing best practices. The commits reveal a dedication to ensuring the reliability and stability of the Telegraf agent by identifying and resolving potential race conditions within its testing infrastructure.
agentreportingcollectingagent-servertelegraf
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