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Martijn van Schaardenburg

PROFILE

Martijn Van Schaardenburg

Worked across GoogleCloudPlatform and terraform-google-modules repositories to modernize test infrastructure, enhance CI/CD pipelines, and improve cross-platform reliability. Delivered robust integration and smoke testing for the OpenTelemetry Collector, enabling end-to-end validation on Windows, Linux, and ARM64 using Go, Python, and shell scripting. Advanced API design and backward compatibility for tracing features, while strengthening artifact governance and release automation with Kokoro. Improved Terraform module testing in cloud-foundation-toolkit by introducing isolated test environments and deterministic metadata processing. Removed legacy configurations to reduce maintenance overhead, demonstrating a focus on scalable, maintainable DevOps practices and deep expertise in backend development, CI/CD, and configuration management.

Overall Statistics

Feature vs Bugs

67%Features

Repository Contributions

38Total
Bugs
7
Commits
38
Features
14
Lines of code
9,428
Activity Months5

Work History

October 2025

2 Commits • 2 Features

Oct 1, 2025

October 2025 performance highlights: Delivered targeted feature work and infrastructure improvements across two repositories, with a focus on removing legacy testing configurations and strengthening per-module test isolation. No critical bugs reported; maintenance burden reduced and groundwork laid for scalable, reproducible Terraform testing.

September 2025

1 Commits • 1 Features

Sep 1, 2025

September 2025 monthly summary for cloud-foundation-toolkit: Delivered deterministic sorting and deduplication for roles and services extracted from metadata YAMLs, ensuring consistent and predictable metadata output. This change reduces variability across environments and simplifies downstream processing and auditing. Implemented as a focused commit that sorts roles and services in metadata.yamls (commit 77bf5cb7e904de866aa8f000a621bb0ab1bbee18).

June 2025

3 Commits • 1 Features

Jun 1, 2025

June 2025: Stability and cross-architecture validation for the OpenTelemetry Collector (opentelemetry-operations-collector). Focused on Windows diagnostics stabilization and enabling ARM64 testing to broaden hardware coverage. Result: reduced platform-specific flakiness, faster feedback in CI, and increased confidence in multi-arch releases.

May 2025

24 Commits • 7 Features

May 1, 2025

May 2025 monthly summary: Strengthened cross-platform CI, advanced tracing API readiness, and hardened release pipelines. Key business value: faster releases, broader Windows coverage, increased test reliability, and improved artifact governance. Technical achievements: API evolution in WaitForTrace, Windows signing/packaging, Kokoro/release pipeline fixes, artifact repository updates, and Windows test enablement.

April 2025

8 Commits • 3 Features

Apr 1, 2025

April 2025 performance summary for GoogleCloudPlatform repositories, focusing on test infrastructure, GCE integration testing, and CI/CD foundations across ops-agent and opentelemetry-operations-collector. Delivered key test infra modernization, new GCE integration test utilities, and Kokoro-based CI/CD configurations with runtime fixes. These efforts improved test reliability, accelerated release readiness, and strengthened cross-repo collaboration.

Activity

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Quality Metrics

Correctness89.6%
Maintainability89.6%
Architecture84.0%
Performance78.6%
AI Usage20.0%

Skills & Technologies

Programming Languages

BashBatchDockerfileGCLGoPowerShellPythonShellYAML

Technical Skills

API DesignAPI IntegrationBackend DevelopmentBackward CompatibilityBuild AutomationBuild ConfigurationBuild ScriptingBuild System ConfigurationBuild SystemsCI/CDCloud Artifact RegistryCloud ComputingCloud InfrastructureCloud StorageCode Cleanup

Repositories Contributed To

4 repos

Overview of all repositories you've contributed to across your timeline

GoogleCloudPlatform/opentelemetry-operations-collector

Apr 2025 Jun 2025
3 Months active

Languages Used

GCLGoPythonShellYAMLBashBatchPowerShell

Technical Skills

API IntegrationBuild AutomationBuild ConfigurationBuild SystemsCI/CDCloud Infrastructure

GoogleCloudPlatform/ops-agent

Apr 2025 May 2025
2 Months active

Languages Used

DockerfileGo

Technical Skills

CI/CDCode CleanupCode OrganizationContainerizationDevOpsGo Development

GoogleCloudPlatform/cloud-foundation-toolkit

Sep 2025 Oct 2025
2 Months active

Languages Used

Go

Technical Skills

Backend DevelopmentConfiguration ManagementGoCloud InfrastructureTerraformTesting

terraform-google-modules/terraform-google-pubsub

Oct 2025 Oct 2025
1 Month active

Languages Used

YAML

Technical Skills

CI/CDDevOps