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Joe DeCock

PROFILE

Joe Decock

Joseph DeCock engineered robust authentication and identity solutions for DuendeSoftware/products, focusing on secure token management, end-to-end testing, and platform modernization. He advanced DPoP and JWT flows by integrating hybrid cache-based replay protection and configurable Bearer token support, while modernizing authentication with official libraries and multi-targeting for .NET 9 and 10. Joseph refactored integration test infrastructure, enhanced observability with telemetry-friendly routing, and streamlined CI/CD workflows for reliable releases. His work, primarily in C# and ASP.NET Core, emphasized maintainability through code cleanup, documentation improvements, and repository hygiene, resulting in a more secure, testable, and developer-friendly identity platform.

Overall Statistics

Feature vs Bugs

71%Features

Repository Contributions

426Total
Bugs
53
Commits
426
Features
128
Lines of code
506,451
Activity Months17

Work History

February 2026

2 Commits • 1 Features

Feb 1, 2026

February 2026 at DuendeSoftware/products focused on improving developer experience and repository hygiene through documentation enhancements for the JwtBearer Extensions and removal of duplicate documentation files. The updates ensure clearer guidance on DPoP protocol usage, installation, and licensing, paving the way for faster integration and fewer support questions.

January 2026

5 Commits • 2 Features

Jan 1, 2026

January 2026 monthly summary for DuendeSoftware/products: Key features delivered include documentation improvements for JwtBearer extensions and DPoP configuration, and clarifications to IsExpired usage and expiration mode naming, plus a regression fix for query parameter decoding. These efforts improved user onboarding, configuration reliability, and URL-encoded value handling.

December 2025

15 Commits • 3 Features

Dec 1, 2025

December 2025 (DuendeSoftware/products) delivered substantial security and reliability enhancements in the DPoP/JWT flow, expanded configurability for token handling, and improved test infrastructure and documentation. The work focused on delivering business value through stronger protection against token replay, easier adoption of Bearer tokens where appropriate, and a more maintainable codebase with better observability and testing.

November 2025

5 Commits • 2 Features

Nov 1, 2025

Monthly summary for 2025-11: Delivered two core features for DuendeSoftware/products and fixed key issues in test infrastructure. Platform upgrade and compatibility enhancements for Identity Server with .NET 10 hosts and Aspire SDK 9.5.2 improved health checks and cross-platform support (Mac ARM). Test client improvements introduced Dynamic Client Registration (DCR) and reliability enhancements (token refresh limits and reduced delays). Also fixed critical test harness bugs (infinite token refresh loops and test run configurations) to reduce flaky tests and increase CI stability. Overall impact: stronger security posture, faster iteration cycles, and more dependable identity infrastructure across platforms.

October 2025

18 Commits • 5 Features

Oct 1, 2025

October 2025 snapshot: Delivered security and reliability upgrades, comprehensive E2E testing improvements, and CI/CD modernization across DuendeSoftware/products and DuendeSoftware/foss. Key outcomes include: 1) Authentication and token management modernization in products (DPoP upgrade to official library, token refresh dependencies, IdentityServer alignment) with commits 5d98b359a00c75d4737ab091974d00e1fead32a2; 2) End-to-end testing enhancements and Aspire templates in products (new Aspire templates, extended E2E tests for discovery endpoints, HTTPS test fixes, and service-aware cleanup) with multiple commits; 3) Embedded file provider bugfix in products (workaround to ensure embedded provider works with required package) with commit 0569815d5301c5c82b6eeed2dfcdefde83b12586; 4) Platform/CI/CD and build tooling modernization in products (multi-targeting, TargetFramework standardization, .NET 10 RC2, packaging optimizations) with commits including 7f3c94f74cb7fd7cb2467b003b601c7343e98e1c; 5) CI workflow stabilization and IdentityModel library upgrade in foss (temporary test disable/reenable workflow changes) and cryptographic encoding refactor upgrading IdentityModel to 8.0.0-preview.1; overall impact includes higher security posture through modernized authentication, improved test reliability and coverage, faster and more reliable builds, and better cross-repo interoperability across both repos.

September 2025

37 Commits • 9 Features

Sep 1, 2025

September 2025 (2025-09) monthly summary for DuendeSoftware/products. The work this month focused on strengthening test infrastructure, observability, platform modernization, and build reliability to accelerate release velocity and reduce production risk. Key outcomes include a revamped integration testing framework, telemetry enhancements for routing, and a robust end-to-end testing capability with CI. The team also advanced .NET 10 modernization with multi-targeting across IdentityServer, tests, and hosts, complemented by broad dependency cleanup and code quality improvements. Major fixes addressed MTLS and routing issues and CI/build stability, significantly reducing production risk and maintenance overhead.

August 2025

44 Commits • 11 Features

Aug 1, 2025

August 2025 monthly summary for DuendeSoftware covering foss and products. Focused on stabilizing versioning, refining IdentityServer client configuration, expanding web client integration, and initiating a major infrastructure refactor to consolidate host resources and test infrastructure. Delivered improvements drive faster onboarding, reduce configuration risk, and support growth across dotnet8/9 environments. Key business value included improved UX for client configuration, stronger validation to prevent conflicts, and a scalable host-wide infrastructure for unified development and testing.

July 2025

25 Commits • 9 Features

Jul 1, 2025

July 2025 monthly summary focusing on key business value and technical milestones across DuendeSoftware/products and DuendeSoftware/foss. In products, completed Identity Server cleanup and packaging streamlining, plus a refactor of shared extensions with tests, extensive changelog/docs updates, and CI/CD release workflow improvements—delivering faster, more predictable releases and clearer licensing messaging. In foss, progressed platform modernization to .NET 9, migrated to a mono-repo structure, and strengthened release validation and test robustness to reduce risk in future releases. These efforts reduce packaging overhead, improve maintainability, and set the stage for scalable multi-repo development.

June 2025

32 Commits • 15 Features

Jun 1, 2025

June 2025 performance summary for DuendeSoftware across products and foss, emphasizing business value, reliability, and developer productivity. The work delivered strengthens diagnostics, security, observability, and test infrastructure while improving developer experience and maintainability. Scope covered two repositories: DuendeSoftware/products and DuendeSoftware/foss. Across both, strategic bets on diagnostics, security hardening, and testability enabled safer deployments and faster feature delivery in production and testing environments.

May 2025

46 Commits • 11 Features

May 1, 2025

May 2025 monthly summary highlighting delivery across two repositories with a focus on security robustness, release collaboration, and testing quality. Emphasis on business value from feature delivery and stability improvements.

April 2025

44 Commits • 13 Features

Apr 1, 2025

April 2025 performance: Security, interoperability, and build stability enhancements across DuendeSoftware/products, DuendeSoftware/foss, and docs. Delivered DPoP handling improvements with case-insensitive authorization, header parsing on PAR, and expanded logging, along with refactored DPoP validation. Added PAR support into MTLS aliases and implemented DPoP header handling for the PAR endpoint. Modernized discovery and API behavior by using IdentityModel constants and simplifying token introspection error handling. CI/build environment upgrades, including migration to slnx and alignment to .NET SDK 9.0.203, plus targeted bug fixes (revert PushedAuthorizationResponseGenerator, replace ToEpochTime with ToUnixTimeSeconds, nullability fixes, and cleanup). Overall impact: stronger security and interoperability, reduced build friction, and improved testability and maintenance.

March 2025

51 Commits • 14 Features

Mar 1, 2025

March 2025 performance summary focused on code quality, build reliability, and documentation hygiene across DuendeSoftware/products and DuendeSoftware/foss. Delivered widespread code cleanup and formatting standardization, CI/formats enforcement, and build configuration unification (single-target framework) with UTF-8 encoding and newline consistency. Implemented global copyright headers and EditorConfig cleanup, improved documentation generation across tests and samples, and resolved a critical JWT audience bug with updated docs in foss. Also addressed NuGet restore behavior, XML documentation safety, and related hygiene to reduce CI noise and improve developer velocity.

February 2025

13 Commits • 4 Features

Feb 1, 2025

February 2025 performance-focused month across DuendeSoftware/products and DuendeSoftware/foss. Delivered centralized build pipelines, enhanced security and authentication reliability, modernization of sample projects to .NET 9, and documentation improvements. These efforts reduce release friction, prevent credential leakage, improve token claim handling, strengthen authentication flow, and align sample projects with modern runtime.

January 2025

31 Commits • 10 Features

Jan 1, 2025

January 2025 Monthly Summary for DuendeSoftware Key features delivered: - BFF directory restructuring and build workflow integration: moved BFF under /bff, updated build scripts to run from the new location, and ensured CI can build from the subdir. This improves modularity and reduces maintenance overhead for the BFF surface. - License usage improvements for identity-server and templates: refined license usage summarization and shutdown handling to improve visibility and accuracy in license reporting. - CI workflow improvements and config changes: aligned workflows across identity-server and templates, added workflow_dispatch variants, introduced minver and BFF minver prefix handling, fixed tag prefix formats, added path restrictions to build triggers, and removed legacy codeql configurations to streamline the pipeline. - Bug fix: service resolution from HttpContext resolved to ensure correct dependency resolution in runtime contexts. - Documentation update: Persisted Grant Store documentation updated for clarity and consistency. Overall impact and accomplishments: - Strengthened modular architecture and build reliability across two major repos, enabling faster feedback and easier maintenance. - Improved license compliance visibility and correctness, reducing risk of over/under-reporting usage. - More reliable and predictable CI/CD with standardized workflows, better tagging and versioning, and streamlined security/build steps. - Resolved a critical DI resolution issue (HttpContext) to prevent runtime service resolution failures. - Documentation quality improved, aiding onboarding and developer adoption. Technologies/skills demonstrated: - Git-based repo restructuring, build workflow automation, CI/CD orchestration, MinVer/tag prefix strategies, code signing considerations, license management, and documentation practices.

December 2024

22 Commits • 10 Features

Dec 1, 2024

December 2024 monthly summary focused on delivering secure identity/token management, licensing oversight, and modernization across three repositories, with a emphasis on business value and maintainability. The team stabilized Blazor/BFF integrations, migrated to .NET 9, and enhanced documentation and hygiene to reduce onboarding friction and support self-service learning.

November 2024

33 Commits • 8 Features

Nov 1, 2024

November 2024 performance summary focused on delivering business value through platform consolidation, security improvements, and developer experience enhancements across three repositories. The team shipped monorepo-aligned documentation and branding enhancements, hardened per-request token handling, modernized the platform to .NET 9 with improved logout/token revocation, streamlined build tooling, and upgraded core dependencies. Quality and documentation were strengthened through testing and docs site adjustments, ensuring consistency for customers and faster time-to-value.

October 2024

3 Commits • 1 Features

Oct 1, 2024

Summary for 2024-10: Delivered two high-impact updates across the docs and products repositories, driving security, reliability, and developer productivity. Key features delivered: - Documentation updates for DPoP authentication and caching guidance in docs.duendesoftware.com, clarifying DPoP validation using Duende.AspNetCore.Authentication.JwtBearer, detailing IDistributedCache replay detection, and providing a sample in-memory cache implementation. Minor formatting adjustments were made to improve readability. Major bugs fixed: - Security and compatibility: Updated dependencies to target .NET 9 RC2 across DuendeSoftware/products, aligning framework and package versions to the latest RC build and addressing transitive dependency vulnerabilities. Overall impact and accomplishments: - Strengthened security posture and developer onboarding; improved guidance for DPoP usage and caching, and ensured compatibility with the latest .NET ecosystem, enabling smoother upgrades and feature delivery. Technologies/skills demonstrated: - DPoP/JwtBearer integration, IDistributedCache usage, in-memory caching patterns, cross-repo coordination, and proactive security hygiene.

Activity

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Quality Metrics

Correctness93.6%
Maintainability93.6%
Architecture91.4%
Performance89.6%
AI Usage20.4%

Skills & Technologies

Programming Languages

BashBatchfileC#C++CSSEditorConfigGitGit IgnoreGoHTML

Technical Skills

.NET .NET Aspire .NET Development API Development API Integration Build Management Build Systems C# Configuration Management Exception Handling Identity Management IdentityServer Integration Testing Logging Multi-targeting

Repositories Contributed To

3 repos

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

DuendeSoftware/products

Oct 2024 Feb 2026
17 Months active

Languages Used

C#JavaScriptMarkdownXMLC++JSONPowerShellYAML

Technical Skills

.NET DevelopmentDependency Management .NET API Integration Identity Management.NET

DuendeSoftware/foss

Nov 2024 Oct 2025
10 Months active

Languages Used

C#MarkdownXMLtextN/AYAMLBashPowerShell

Technical Skills

.NET DevelopmentAPI DevelopmentAPI IntegrationASP.NET CoreAuthenticationAuthentication and Authorization

DuendeSoftware/docs.duendesoftware.com

Oct 2024 Apr 2025
5 Months active

Languages Used

MarkdownC#TOMLHTMLJavaScript

Technical Skills

API SecurityDocumentationConfigurationRelease ManagementTechnical Writing

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