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Mariell Hoversholm

PROFILE

Mariell Hoversholm

Mariell contributed to several Grafana repositories, focusing on backend development, security, and release engineering. She upgraded HAR handling in grafana-plugin-sdk-go, modernizing JSON processing with Go’s encoding/json to streamline maintenance and compatibility. In grafana/falco, she unified CI versioning and optimized resource management, improving release reliability and operational efficiency using CMake, Docker, and GitHub Actions. Mariell also led security documentation alignment across nine repositories, introducing a centralized style guide and removing redundant SECURITY.md files to reduce confusion. Her work demonstrated strong technical writing, dependency management, and system programming skills, consistently delivering maintainable solutions that improved security, clarity, and developer experience.

Overall Statistics

Feature vs Bugs

65%Features

Repository Contributions

23Total
Bugs
6
Commits
23
Features
11
Lines of code
520
Activity Months5

Work History

February 2026

3 Commits • 1 Features

Feb 1, 2026

February 2026 monthly summary: Implemented security hardening and performance improvements across Loki and Mimir. Key work focused on credential masking, correct filename handling, and gRPC content-length management to improve security, correctness, and frontend memory efficiency. Demonstrated strong code quality, testing discipline, and cross-repo collaboration to deliver measurable business value.

January 2026

2 Commits • 2 Features

Jan 1, 2026

January 2026: Delivered security-focused CI workflow improvements across Grafana repos, strengthening access controls and PR comment handling. Key contributions included adding security comments to the Claude CI workflow in grafana/loki to clarify permissions for external contributors, and refactoring the GitHub Actions workflow in grafana/security-github-actions to reuse existing comments and update the commenting action, reducing noise and improving maintainability.

December 2025

9 Commits • 6 Features

Dec 1, 2025

December 2025 monthly summary: Strengthened documentation governance around security policies and alignment with the org-wide SECURITY.md. Delivered a dedicated Security Documentation Style Guide in grafana/writers-toolkit and completed widespread cleanup to remove local SECURITY.md across nine Grafana repositories to reduce confusion and ensure consistent security guidance. This work enhances risk visibility, maintainability, and onboarding efficiency for developers and readers. Notable changes include token-handling guidance and a refreshed What’s New in the writers-toolkit, plus consistent policy alignment across multiple repos.

July 2025

8 Commits • 1 Features

Jul 1, 2025

July 2025 monthly summary for grafana/falco. Focused on release engineering, packaging, and runtime stability to improve release reliability, security posture, and operational efficiency. Consolidated versioning across CI/builds, enhanced artifacts, and optimized restart behavior to reduce resource usage.

May 2025

1 Commits • 1 Features

May 1, 2025

May 2025 monthly summary for grafana-plugin-sdk-go focused on stabilizing and modernizing HAR handling to improve downstream plugin reliability and developer experience. Upgraded the HAR library and migrated JSON marshaling/unmarshaling to Go's encoding/json, simplifying JSON processing and improving compatibility with the updated library. This work reduces long-term maintenance cost and sets a clear upgrade path for future HAR-related changes.

Activity

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Quality Metrics

Correctness95.6%
Maintainability94.8%
Architecture94.0%
Performance92.2%
AI Usage25.2%

Skills & Technologies

Programming Languages

C++CMakeGoMarkdownYAMLc++cmake

Technical Skills

API developmentBuild SystemCI/CDCMakeDebuggingDependency ManagementDockerError HandlingGitHub ActionsGoGo ModulesJSON HandlingRelease ManagementResource ManagementSecurity Best Practices

Repositories Contributed To

12 repos

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

grafana/falco

Jul 2025 Jul 2025
1 Month active

Languages Used

C++CMakeYAMLc++cmake

Technical Skills

Build SystemCI/CDCMakeDebuggingDockerError Handling

grafana/loki

Jan 2026 Feb 2026
2 Months active

Languages Used

YAMLGo

Technical Skills

CI/CDSecurity Best PracticesYAML ConfigurationGobackend developmenttesting

grafana/grafana-plugin-sdk-go

May 2025 Dec 2025
2 Months active

Languages Used

GoMarkdown

Technical Skills

Dependency ManagementGo ModulesJSON Handlingdocumentation

grafana/mimir

Dec 2025 Feb 2026
2 Months active

Languages Used

MarkdownGo

Technical Skills

documentationversion controlAPI developmentbackend developmentgRPCunit testing

grafana/writers-toolkit

Dec 2025 Dec 2025
1 Month active

Languages Used

Markdown

Technical Skills

documentationsecurity best practicestechnical writing

grafana/synthetic-monitoring-agent

Dec 2025 Dec 2025
1 Month active

Languages Used

Markdown

Technical Skills

documentationsecurity policy management

grafana/tempo

Dec 2025 Dec 2025
1 Month active

Languages Used

Markdown

Technical Skills

documentationversion control

grafana/alloy

Dec 2025 Dec 2025
1 Month active

Languages Used

Markdown

Technical Skills

documentationversion control

grafana/faro-web-sdk

Dec 2025 Dec 2025
1 Month active

Languages Used

Markdown

Technical Skills

documentationsecurity best practices

grafana/cloudcost-exporter

Dec 2025 Dec 2025
1 Month active

Languages Used

Markdown

Technical Skills

documentationsecurity best practices

grafana/k6

Dec 2025 Dec 2025
1 Month active

Languages Used

Markdown

Technical Skills

documentationversion control

grafana/security-github-actions

Jan 2026 Jan 2026
1 Month active

Languages Used

YAML

Technical Skills

CI/CDGitHub Actions