Sean Teeling
Principal Software Engineer at Microsoft
Miami, Florida, United States
Summary
🤩
Rockstar🎓
Top SchoolSean Teeling is a Principal Software Engineer with 11 years of experience building cloud-native, distributed systems and developer tooling across Microsoft, Google, Wing, and Apple. He blends SRE rigor and backend/DevOps craftsmanship—evidenced by contributions to Open Service Mesh where he refactored controllers, added multi-cluster gateway support, and improved observability via Prometheus. At Microsoft he focuses on healthcare on Azure, and earlier roles at Google involved production work on Cloud Datastore, Firestore, and distributed caching. Sean also prototypes educational and game projects (disk/process scheduler visualizations and an HTML5 tower defense) that reveal a penchant for teaching complex algorithms through interactive UIs. Based in Miami, he pairs systems-level thinking with hands-on implementation and a habit of reducing technical debt while shipping measurable operational improvements.
11 years of coding experience
5 years of employment as a software developer
California Polytechnic State University, San Luis Obispo
Github Skills (12)
service-mesh10
kubernetes10
go10
devops10
kubernetes-pods10
cicd9
convoy9
envoyproxy9
back-end-development9
env9
testing8
prometheus7
Programming languages (15)
Github contributions (5)
openservicemesh/osm
Jun 2021 - Nov 2022
Open Service Mesh (OSM) is a lightweight, extensible, cloud native service mesh that allows users to uniformly manage, secure, and get out-of-the-box observability features for highly dynamic microservice environments.
Role in this project:
Back-end & DevOps Engineer
Back-end & DevOps EngineerContributions:758 reviews, 84 commits, 179 PRs in 1 year 5 months
Contributions summary:Sean primarily focused on refactoring the Open Service Mesh (OSM) controller code. Their contributions involved removing unused code, updating the codebase for multi-cluster gateway functionality, and introducing the validating webhook server. They also updated the testing suites to include the new features. Furthermore, the user made several changes to enhance the observability and operational aspects of the project, including adding debug logic and exposing version information via Prometheus.
observabilitymicroservicesecuremicroservicesextensible
steeling/osm
May 2021 - Oct 2022
Open Service Mesh (OSM) is a lightweight, extensible, cloud native service mesh that allows users to uniformly manage, secure, and get out-of-the-box observability features for highly dynamic microservice environments.
Contributions:20 reviews, 14 PRs, 698 pushes in 1 year 5 months
open-service-meshmeshsecureservice-meshbox
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