André Martins
Software Engineer at Isovalent
Zurich, Zurich, Switzerland
Summary
🤩
Rockstar🎓
Top SchoolAndré Martins is a software engineer with 11 years of experience specializing in cloud-native networking, eBPF, and Kubernetes integrations, based in Zurich. As a co-creator and core maintainer of Cilium and an early employee at Isovalent, he blends deep kernel-level networking knowledge with hands-on DevOps and CI work to secure and observe containerized workloads. His open-source contributions extend to high-profile projects like Kubernetes, Docker (moby), and Cilium, where he has improved client libraries, optimized performance, and hardened CLI and networking behaviors. Known for pragmatic problem-solving, he frequently works at the intersection of documentation, configuration, and build systems—ensuring that complex low-level improvements are consumable by operators. His background includes R&D at Cisco/Noiro and a master’s in Computers and Telematics Engineering, reflecting a trajectory from protocol-level research to production-grade platform engineering.
11 years of coding experience
2 years of employment as a software developer
Master's degree Computers and Telematics Engineering, Master's degree Computers and Telematics Engineering at Universidade de AveiroEscola Secundária Amato LusitanoEscola Secundária Nuno Álvares
Stackoverflow
41reputation
2kreached
1answer
1question
Github Skills (30)
kubernetes10
container10
docker10
apidoc10
testing10
command-line-interface10
cni10
dockers10
cilium10
go10
api10
helm10
kubernetes-pods10
command-line10
cli10
Programming languages (17)
Github contributions (5)
cilium/cilium
Aug 2016 - Apr 2025
eBPF-based Networking, Security, and Observability
Role in this project:
Back-end & DevOps Engineer
Back-end & DevOps EngineerContributions:53 releases, 4728 reviews, 7046 PRs in 8 years 9 months
Contributions summary:André primarily contributed to documentation and configuration related to the Cilium Helm chart, focusing on aspects such as the use of different networking setups, particularly for Kubernetes clusters. They made changes related to AWS CNI, demonstrating involvement in integrating and troubleshooting network policies. Additionally, they were responsible for modifying build processes, indicating a role in DevOps and continuous integration aspects of the project.
bpfcontainerskerneltroubleshootingkubernetes-networking
kubernetes/kubernetes
Oct 2015 - Aug 2022
Production-Grade Container Scheduling and Management
Role in this project:Back-end Developer
Back-end DeveloperContributions:7 reviews, 31 commits, 36 PRs in 6 years 10 months
Contributions summary:André primarily focused on improving the `client-go` library, which is integral to Kubernetes' client interactions. They fixed a critical issue related to URL template generation for metrics, ensuring accurate path representation. Furthermore, the user optimized code by replacing `bytes.Buffer` with `strings.Builder` in the `pkg/util/net` and `pkg/labels` packages, leading to performance improvements. They also reverted a change related to `finalURLTemplate` functionality, indicating a grasp of the impact of these changes on the wider project and external integrations.
containersschedulingdockergradeproduction-grade
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