David Dymko
Principal Engineer at CoreWeave
New York, New York, United States
Summary
🤩
Rockstar🎓
Top SchoolDavid Dymko is a Principal Engineer with 12 years of experience designing and operating cloud-native infrastructure and scalable backend systems, currently leading platform efforts at CoreWeave. He progressed from hands-on engineering roles to leadership positions at Vultr and Ambassador Labs, combining deep Go development skills with DevOps best practices. David is an active open-source contributor, notably adding and hardening a Vultr DNS provider in the widely used external-dns project and improving resiliency in the Emissary-ingress API gateway to mitigate certificate-rotation outages. Based in New Jersey with an MS in Computer Science, he focuses on reliability, performance, and maintainability across cloud and Kubernetes ecosystems. Colleagues rely on him for pragmatic architecture that balances operational constraints with developer velocity, and his GitHub quip hints at a direct, results-oriented engineering style.
13 years of coding experience
12 years of employment as a software developer
Master of Science - MS Computer Science, Master of Science - MS Computer Science at Montclair State University
Polish, English
Stackoverflow
56reputation
3kreached
6answers
0questions
Github Skills (29)
env10
kubernetes10
envoyproxy10
go10
dns10
api-gateway10
external-dns10
kubernetes-pods10
devops10
convoy10
golangci-lint9
dockers9
cicd9
docker9
microservices8
Programming languages (15)
Github contributions (5)
kubernetes-sigs/external-dns
Apr 2020 - Jul 2022
Configure external DNS servers dynamically from Kubernetes resources
Role in this project:
Backend Developer
Backend DeveloperContributions:15 commits, 6 PRs, 8 comments in 2 years 3 months
Contributions summary:David primarily contributed to the development of a new DNS provider, specifically for Vultr. Their work involved implementing the necessary logic to interact with the Vultr API, including methods for creating, deleting, and updating DNS records. They also updated the go.mod file to include the required dependency for the Vultr provider and added tests to validate the new provider's functionality. The user made further enhancements to the provider to improve performance and stability.
external-dnskubernetes-resourcesdnskubernetesroute53
emissary-ingress/emissary
Jul 2022 - Oct 2022
open source Kubernetes-native API gateway for microservices built on the Envoy Proxy
Role in this project:Backend & DevOps Engineer
Backend & DevOps EngineerContributions:72 reviews, 42 commits, 52 PRs in 2 months
Contributions summary:David's contributions primarily involve enhancing the Emissary-ingress API gateway, focusing on backend logic improvements and infrastructure enhancements. The user implemented a bypass mechanism for EDS (Endpoint Discovery Service) to resolve 503 errors during certificate rotations, indicating work related to service reliability and uptime. Furthermore, the user updated dependencies, including bumping the Go version and updating golangci-lint, which is consistent with DevOps practices for maintaining build environments and code quality. The user also fixed a bug related to synthetic rate limit service.
envoyproxykubernetesmicroservicesnative-apiambassador
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