Pinglei Guo
Software Engineer at Weights & Biases
Vancouver, British Columbia, Canada
Summary
🤩
Rockstar🎓
Top SchoolPinglei Guo is a software engineer with five years of experience building cloud-native observability and orchestration tooling, currently working on W&B Artifacts in Vancouver. He previously drove OpenTelemetry and distributed tracing improvements at AWS X-Ray—leading a six-engineer effort to add W3C trace ID support and refactoring sharding to enable large-scale OpenTelemetry adoption. His contributions span open source projects like the Amazon Distro for OpenTelemetry Collector and CloudWatch Agent, where he implemented ECS service discovery, container-friendly signal handling, and Prometheus target allocation. Earlier roles at Google and PayPal focused on Kubernetes/GKE reliability and multi-cluster orchestration, and his graduate research produced a multi-backend time series database and benchmarking service. Pinglei combines hands-on systems engineering in Go and distributed systems with practical automation (e.g., RAG-driven on-call investigation using Bedrock) that measurably reduced operational latency. He publishes and maintains several open-source projects on GitHub, reflecting a strong bias toward observable, production-ready tooling.
5 years of coding experience
9 years of employment as a software developer
University of California Santa CruzBachelor of Science (B.S.) Materials Science, Bachelor of Science (B.S.) Materials Science at Shanghai Jiao Tong University
English, Chinese
Github Skills (19)
kubernetes10
docker10
observability10
open-source10
containerization10
dockers10
cicd10
go10
prometheus10
aws10
kubernetes-pods10
aws-ecs10
opentelemetry10
testing9
automation9
Programming languages (6)
Github contributions (5)
aws/amazon-cloudwatch-agent
Dec 2020 - Jun 2021
CloudWatch Agent enables you to collect and export host-level metrics and logs on instances running Linux or Windows server.
Role in this project:
DevOps Engineer
DevOps EngineerContributions:45 reviews, 36 commits, 40 PRs in 6 months
Contributions summary:Pinglei's contributions primarily focus on improving the agent's containerization and integration with Kubernetes environments. They addressed issues related to signal handling within containers, ensuring the agent runs as PID 1. Furthermore, they made modifications to support macOS and fixed problems with container-in-container detection for systemd cgroup drivers, enhancing the agent's compatibility across different platforms and deployment setups. They also removed debug logs.
instancescollectwindows-serverexportagent
aws-observability/aws-otel-collector
Feb 2021 - Jul 2021
AWS Distro for OpenTelemetry Collector (see ADOT Roadmap at https://github.com/orgs/aws-observability/projects/4)
Role in this project:DevOps Engineer
DevOps EngineerContributions:83 reviews, 24 commits, 40 PRs in 5 months
Contributions summary:Pinglei primarily contributed to the operational aspects of the AWS OpenTelemetry Collector project. Their work included modifying logging behavior to write to stderr within containers, enabling easier debugging, and ensuring the correct user context when running the collector. They also updated dependencies, upgraded core components, and removed outdated system support, thus improving the project's build and release process. They also contributed to the testing infrastructure and configuration.
opentelemetry-collectortracingorgsobservabilityaws
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.