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Rüdiger Schmitz

PROFILE

Rüdiger Schmitz

Ruediger Schmitz developed and maintained core infrastructure tools across the stackitcloud/stackit-sdk-go, stackitcloud/terraform-provider-stackit, and stackitcloud/stackit-cli repositories, focusing on multi-region support, robust automation, and developer experience. He engineered asynchronous operations, regionalized APIs, and streamlined credential management using Go, Terraform, and Bash, while modernizing CI/CD pipelines and automating dependency updates. His work included expanding acceptance testing, refactoring data models, and enhancing error handling to improve reliability and production readiness. By aligning documentation, strengthening test coverage, and introducing features like ALB and CDN management, Ruediger delivered solutions that reduced operational risk and enabled scalable, secure cloud deployments.

Overall Statistics

Feature vs Bugs

78%Features

Repository Contributions

59Total
Bugs
9
Commits
59
Features
32
Lines of code
31,810
Activity Months6

Work History

May 2025

5 Commits • 1 Features

May 1, 2025

May 2025 performance highlights focused on documentation accuracy and test rigor across two core repos. In stackit-sdk-go, corrected the StackitMarketplace changelog release version (v0.6.0 -> v1.0.0) to align documentation with the actual release, reducing customer confusion and support overhead. In the Terraform provider (stackit-provider-stackit), expanded comprehensive test coverage and acceptance tests across DNS, Secrets Manager, Server Backup, Server Update, SQLServerFlex, and Stackit LogMe, plus node pool mapping tests. This work improves reliability, avoids regressions, and increases confidence for production deployments.

April 2025

9 Commits • 8 Features

Apr 1, 2025

April 2025 performance summary: Expanded automation, reliability, and developer experience across STACKIT tools. Key SDK, provider, and CLI work delivered asynchronous operations, API improvements, and security-focused automation, with direct business value in faster releases and lower operational risk. Highlights include CDN waiter support and v0.2.0 changelog in the Go SDK, KMS module with waiters, API consistency refinements, and Dependabot automation. Terraform provider enhancements include deprecation-driven prefix handling and CI/go version upgrades, complemented by a critical IPv4 prefix computation fix. STACKIT CLI gained end-to-end ALB management and Go version upgrades to streamline workflows and improve stability across the stack. Delivered across repositories: - stackitcloud/stackit-sdk-go: CDN Waiter API Enhancement; KMS SDK Module; API Consistency Improvements; Dependency Management Automation. Commits: bf29127a550a3e8538dd6bd2bcd038ba8cad4260; 8527d0aac9fa0d75f817e66eb22536d6a47b9e5b; bfdc815cb52a6625853b5f922605238b937b448d; ad3fa15c9524c8086bfb5c365a7338ca158eefbf - stackitcloud/terraform-provider-stackit: Prefix handling deprecation and tests; CI/go version upgrade; IPv4 prefix computation bug fix. Commits: c7ed274647923e1835dda3a0c6b3e0ca98d04185; c1a8fde882fde7ef646c4ad05aded6f492642e63; 44103a1ffde99f8ac06f1412cbfd1115d2faa775 - stackitcloud/stackit-cli: ALB management features; Go version/CI upgrade. Commits: 1f4c97e2a03765870987484dcc37b7da473ec22a; 0d4a46940cd43d1d33cf6a076f1b77f05dd2347a

March 2025

16 Commits • 7 Features

Mar 1, 2025

March 2025 performance summary covering StackIT SDK (Go), CLI, and Terraform provider. Delivered cross-service regionalization, feature upgrades, stability improvements, and release-automation efforts that strengthen multi-region deployment capabilities, developer experience, and CI reliability.

February 2025

11 Commits • 5 Features

Feb 1, 2025

February 2025: Delivered cross-repo improvements with a focus on regional capabilities, modernization, and reliability across stackit-sdk-go and the Terraform provider. Key outcomes include region-aware APIs, Go 1.21 compatibility, test isolation enhancements, and expanded region handling for object storage, alongside improved Kubernetes version selection. These changes reduce regional deployment friction, improve reliability, and position the platform for multi-region adoption and future feature migrations.

January 2025

13 Commits • 7 Features

Jan 1, 2025

January 2025 performance summary highlighting key feature deliveries, major bug fixes, and overall impact across Terraform provider, STACKIT CLI, and SDK-Go. Focused on delivering business value through safer lifecycle management, richer imagery and quota workflows, and improved developer experience. Significant improvements include server lifecycle control via desired_status, data-source modeling refactor for maintainability, IaaS image management in the CLI, quota listing, and upgraded dev tooling. Bug fixes enhanced configuration reliability and resilience when time fields are missing or formatted variably.

December 2024

5 Commits • 4 Features

Dec 1, 2024

December 2024 Monthly Summary – Focused on delivering high-impact features across SDK, CLI, and Terraform provider, stabilizing existing work, and modernizing credential management. Key outcomes include the new BackupPolicy resource management in stackit-sdk-go, Security Group management in StackIt CLI (beta), and CI readiness improvements in the Terraform provider, plus modernization of SKE credential rotation. A critical bug fix reverted an unstable golang.org/x/crypto update to restore stability. Business impact includes stronger data protection, secure and scalable network configuration, more reliable CI pipelines, and alignment with current credential practices.

Activity

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Quality Metrics

Correctness94.0%
Maintainability92.4%
Architecture90.6%
Performance85.0%
AI Usage20.4%

Skills & Technologies

Programming Languages

BashGoHCLMarkdownShellYAMLyaml

Technical Skills

API Client DevelopmentAPI DevelopmentAPI IntegrationAPI RefactoringAcceptance TestingBackend DevelopmentCI/CDCLI DevelopmentChangelog ManagementCloud InfrastructureCloud Infrastructure ManagementCloud Services ManagementCode RefactoringConfiguration ManagementData Modeling

Repositories Contributed To

3 repos

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

stackitcloud/terraform-provider-stackit

Dec 2024 May 2025
6 Months active

Languages Used

GoMarkdownyamlBashYAMLHCL

Technical Skills

API RefactoringCI/CDDocumentation UpdateGitHub ActionsGoTerraform

stackitcloud/stackit-sdk-go

Dec 2024 May 2025
6 Months active

Languages Used

GoMarkdownYAML

Technical Skills

Changelog ManagementDocumentationGo ModulesVersion ControlRelease ManagementAPI Development

stackitcloud/stackit-cli

Dec 2024 Apr 2025
4 Months active

Languages Used

GoMarkdownShellYAML

Technical Skills

API IntegrationCLI DevelopmentDocumentationGo ProgrammingGoGo Development

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