Brian Celenza
Principal Software Engineer at GitHub
Seattle, Washington, United States
Summary
🤩
Rockstar🎓
Top SchoolBrian Celenza is a Principal Software Engineer based in Seattle with ~15–20 years building and scaling cloud-native systems across healthcare, ecommerce, and infrastructure at companies from startups to AWS and GitHub. He blends hands-on engineering in Go, TypeScript, Python and cloud platforms with security and operational leadership—having driven HIPAA/SOC2/ISO27001 compliance and the information security practice at a fast-growing healthcare startup. At AWS he led API and operational work for CodeBuild and App Mesh, and his open-source contributions include infrastructure and health-check improvements to the popular aws-app-mesh-examples repository. He has a track record of growing teams and practices (scaling engineering orgs from small to 15+ engineers) while still shipping significant product and infrastructure code himself. Now at GitHub he focuses on the security, availability, and scaling of systems that store and serve git repository data, combining deep distributed-systems experience with developer-facing platform sensibilities. Colleagues would describe him as a pragmatic leader who moves between strategy, compliance, and low-level systems work with equal ease.
15 years of coding experience
19 years of employment as a software developer
Information Systems, Information Systems at University of Cincinnati
Github Skills (14)
service-mesh10
bash10
aws10
amazon-ecs10
aws-ecs10
dockers9
aws-cloudformation9
docker9
kubernetes8
kubernetes-pods8
cicd8
go7
terraform5
terraformer5
Programming languages (12)
Github contributions (5)
aws/aws-app-mesh-examples
Nov 2018 - Jul 2020
AWS App Mesh is a service mesh that you can use with your microservices to manage service to service communication.
Role in this project:
DevOps Engineer & Cloud Engineer
DevOps Engineer & Cloud EngineerContributions:13 reviews, 47 commits, 70 PRs in 1 year 7 months
Contributions summary:Brian primarily contributed to the infrastructure and deployment aspects of the AWS App Mesh examples. They implemented health checks, updated deployment scripts for the colorapp example, and cleaned up virtual service configurations. Furthermore, the user modified task definitions for ECS, standardized AWS region configurations and added a /ping handler to the gateway to enhance service monitoring. The user demonstrated expertise in scripting and cloud infrastructure setup within the context of AWS App Mesh.
meshaws-app-meshapp-meshcommunicationservice-to-service
bcelenza/vesper
Aug 2022 - Feb 2023
A security-focused telemetry agent written in Rust using eBPF.
Contributions:80 commits, 9 PRs, 47 pushes in 5 months
agentrustsecurityebpffocused
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