David López
Senior Software Engineer at Datadog
Barcelona, Catalonia, Spain
Summary
🤩
Rockstar🎓
Top SchoolDavid López is a Senior Software Engineer with 13 years of experience building high-performance, cloud-native systems from Barcelona, currently contributing to Datadog’s agent and Helm chart ecosystem. He blends back-end engineering and DevOps expertise—working on performance-critical gateways like 3scale/APIcast (Lua/OpenResty) and large-scale observability tooling at Datadog—while also automating Kubernetes/Knative deployments and CI pipelines. His work includes designing a high-throughput caching layer for 3scale that achieved 10x throughput gains and meaningful consistency trade-offs, and improving Datadog cluster agent metrics and container image scanning. Comfortable across Go, Ruby, Lua, Kubernetes, and Windows agents, he focuses on pragmatic, measurable improvements to reliability and performance. An active open-source contributor, he often touches both core runtime code and test/infrastructure automation, showing a rare mix of systems-level depth and operational rigor.
13 years of coding experience
8 years of employment as a software developer
Master's in Technology, Dual master's degree, Master's in Technology, Dual master's degree at Purdue UniversityUPC Universitat Politècnica de Catalunya
Spanish, Catalan, English
Github Skills (40)
kubernetes10
gpo10
docker10
apidoc10
scripting10
openresty10
policies10
dockers10
crdt10
cicd10
azure-policy10
lua10
crt10
automation10
script10
Programming languages (14)
Github contributions (5)
3scale/APIcast
Nov 2016 - Oct 2020
3scale API Gateway
Role in this project:
Back-end Developer
Back-end DeveloperContributions:12 releases, 94 reviews, 1180 commits in 3 years 11 months
Contributions summary:David focused on enhancing the 3scale API Gateway, specifically the back-end components. They simplified and refactored provider-related Lua code and refactored existing code. They also worked on implementing and adjusting the policy infrastructure, introducing and modifying policies like CORS, logging, and URL rewriting. This involved in-depth changes to core API Gateway modules and the integration of new functionalities.
api-gatewayapi3scalegatewaykubernetes
DataDog/helm-charts
Jul 2021 - Jan 2023
Helm charts for Datadog products
Role in this project:DevOps Engineer
DevOps EngineerContributions:116 reviews, 51 commits, 67 PRs in 1 year 6 months
Contributions summary:David primarily contributed to the `datadog/helm-charts` repository by modifying scripts and updating the Helm chart configurations. They focused on integrating and updating Custom Resource Definitions (CRDs) from the Extended DaemonSet (EDS) repository, including changes to the `update-crds.sh` script to download and manage these CRDs. The user also added and updated the EDS chart itself, and refined the instructions for using the update script. Their work ensured the proper integration and availability of the EDS within the Datadog Helm charts.
chartshelmhelm-chartskubernetesdatadog
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