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Diogo Mendes Matsubara

PROFILE

Diogo Mendes Matsubara

Diogo Matsubara engineered robust CI/CD pipelines and automated release workflows across the Eclipse Zenoh ecosystem, focusing on repositories such as eclipse-zenoh/ci and ZettaScaleLabs/zenoh. He implemented reproducible build systems, automated versioning, and dependency management using Rust, TypeScript, and shell scripting, ensuring stable releases and cross-platform compatibility. Diogo modernized packaging and signing processes, introduced dynamic runner selection, and improved documentation publishing pipelines. His technical approach emphasized maintainable automation, secure artifact handling, and reliable cross-repo dependency alignment. The depth of his work is reflected in the seamless integration of build, test, and deployment processes, reducing manual intervention and release risk.

Overall Statistics

Feature vs Bugs

75%Features

Repository Contributions

412Total
Bugs
50
Commits
412
Features
147
Lines of code
3,252,838
Activity Months13

Work History

October 2025

38 Commits • 9 Features

Oct 1, 2025

October 2025 performance summary focused on accelerating release reliability, reproducible builds, and code quality across multiple repositories. Key work included automated versioning, robust release pipelines, and targeted CI/CD improvements, with substantial contributions in Rust/CMake-based projects, and improved documentation workflow.

September 2025

27 Commits • 9 Features

Sep 1, 2025

September 2025 performance highlights across eclipse-zenoh/zenoh-pico, ZettaScaleLabs/zenoh, eclipse-zenoh/ci, eclipse-zenoh/zenoh-cpp, and ZettaScaleLabs/zenoh-c. Key features delivered and major fixes include reliable release workflow enhancements, macOS CI permission workaround, dependency pinning and submodule synchronization, and enhanced CI governance. These changes improved release reliability, reproducibility, and developer productivity, reducing flaky builds and accelerating safe releases across the Zenoh project ecosystem.

August 2025

19 Commits • 10 Features

Aug 1, 2025

August 2025 monthly summary: Delivered notable build-system hardening, dependency stability, and release automation across the Eclipse Zenoh suite, prioritizing reliability, faster feedback, and developer productivity. Key outcomes include a packaging tooling upgrade, RocksDB dependency pinning for stable releases, documentation publishing pipelines, and refined CI/CD workflows that conditionally trigger bumps and skip unnecessary changes, reducing risk in daily releases and across plugins.

July 2025

62 Commits • 13 Features

Jul 1, 2025

July 2025 monthly summary for the Zenoh ecosystem. Focused on stabilizing release pipelines, modernizing CI, aligning dependencies to main branches, and strengthening Debian packaging and signing workflows. Delivered across multiple repos with concrete commits and improved business value by increasing release reliability, security, and developer productivity.

June 2025

13 Commits • 4 Features

Jun 1, 2025

June 2025 achievements across the Eclipse Zenoh and ZettaScaleLabs repos focused on stability, reliability, and automation. Key features delivered include: (1) Cargo.lock stability and reproducible builds by pinning the Rust toolchain to 1.75.0 in CI checks and enforcing lockfile version constraints across repositories; (2) CI and release automation improvements, notably the configurable toolchain input for bump-crates and interpolation fixes to cargo commands; (3) CI reliability enhancement by switching musl cross-compilation tooling to the ZettaScaleLabs/muslcc mirror; (4) publishing workflow updates across Kotlin, Java, and TypeScript components to align with the central Sonatype/Nexus domains, with token-based authentication and environment variable fixes; (5) release automation improvements in zenoh-ts to consistently bump zenoh-related dependencies and plugin versions during releases.

May 2025

16 Commits • 10 Features

May 1, 2025

May 2025 performance summary for the Zenoh ecosystem focused on CI/CD optimization, cross-repo feature delivery, and build reliability improvements across multiple languages. Key features shipped include CI/CD workflow cleanup, dynamic runner selection and release-branch naming, commit-hash cloning, and private registry support. Major fixes address git reset path handling and environment variable overrides/testing. The month also saw documentation and runtime onboarding improvements (Deno), Rust linting/formatting enforcement, and Gradle action upgrades to enhance cross-language CI stability. Overall this drove reduced build noise, faster feedback, safer releases, and expanded multi-language support while maintaining backward compatibility where appropriate.

April 2025

25 Commits • 6 Features

Apr 1, 2025

April 2025 monthly summary for the Eclipse Zenoh ecosystem. Delivered improvements across 9 repositories, focusing on CI reliability, dependency management, and release workflow stability. Highlights include cross-repo CI modernization, up-to-date submodules, and Windows/Linux environment alignment to support faster, more reliable releases and reduced maintenance overhead.

March 2025

74 Commits • 23 Features

Mar 1, 2025

March 2025 monthly summary across the ZettaScaleLabs/zenoh and Eclipse Zenoh ecosystem. Delivered extensive CI/CD improvements, modernized build tooling, robust publication/release workflows, and strengthened Rust toolchain compatibility. Fixed critical synchronization and lockfile issues, enhanced dependency management, and expanded debugging and utilities. Outcome: higher build reliability, faster release cycles, and stronger production readiness.

February 2025

40 Commits • 13 Features

Feb 1, 2025

February 2025 monthly summary focused on systemic dependency maintenance, CI/CD reliability, and cross-repo alignment across the Zenoh ecosystem. Key features delivered span Rust crates, Java/Kotlin bindings, and tooling to keep dependencies current with Zenoh main, while critical bugs were resolved to stabilize runtimes and release workflows. The work enhanced security posture, build stability, release velocity, and observability, with demonstrated proficiency in multi-repo coordination, Rust cargo workflows, JVM-based pipelines, and cross-language dependency management.

January 2025

41 Commits • 15 Features

Jan 1, 2025

January 2025 performance summary: Implemented release automation and PR workflows, stabilized CI pipelines, and coordinated cross-repo release governance across the Zenoh ecosystem. Delivered comprehensive dependency updates and build stability improvements to enhance stability, security, and time-to-market. These efforts improved release velocity, reduced CI churn, and strengthened governance and traceability across multiple repos.

December 2024

20 Commits • 18 Features

Dec 1, 2024

December 2024 highlights across the Eclipse Zenoh suite: strengthened CI reliability, hardened cross-platform packaging, and cleaned release notes, delivering measurable business value through safer merges, faster releases, and clearer customer-facing documentation. Key achievements include universal CI status checks in zenoh-cpp, Homebrew packaging support, exclusion of internal PRs from automatic changelogs across multiple repos, CI workflow cleanups and aggregation, a Rust dependency pin to ensure build stability, and code quality improvements in timeout handling.

November 2024

34 Commits • 14 Features

Nov 1, 2024

November 2024 highlights: Standardized CI/CD, cross-platform build configuration, and hardened release governance across the Eclipse Zenoh project family. Delivered safer releases, faster delivery, and expanded distribution through automation, cross-platform targets, and governance improvements. Business value includes reduced release risk, clearer onboarding, and scalable automation across multiple repositories.

October 2024

3 Commits • 3 Features

Oct 1, 2024

October 2024 monthly summary focusing on packaging automation and dependency stabilization across zenoh-cpp and zenoh-pico, delivering automated Debian/RPM packaging workflows and multi-arch packaging readiness, with up-to-date submodules and streamlined release processes.

Activity

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Quality Metrics

Correctness91.2%
Maintainability92.2%
Architecture87.4%
Performance86.2%
AI Usage20.6%

Skills & Technologies

Programming Languages

BashC++CMakeGitGradleJSONJavaScriptKotlinMakefileMarkdown

Technical Skills

API DevelopmentAutomationBuild AutomationBuild ConfigurationBuild EngineeringBuild ProcessBuild ScriptingBuild System ConfigurationBuild SystemsBuild ToolsCI/CDCI/CD ConfigurationCargoCode CleanupCode Coverage

Repositories Contributed To

16 repos

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

eclipse-zenoh/ci

Nov 2024 Oct 2025
11 Months active

Languages Used

YAMLJavaScriptTypeScriptShellBashPython

Technical Skills

CI/CDGitHub ActionsSecrets ManagementAutomationBuild AutomationDevOps

ZettaScaleLabs/zenoh-c

Nov 2024 Oct 2025
9 Months active

Languages Used

BashYAMLRustTOMLJSONShellbashjson

Technical Skills

CI/CDRelease ManagementShell ScriptingCI/CD ConfigurationBuild System ConfigurationCargo

eclipse-zenoh/zenoh-kotlin

Nov 2024 Aug 2025
9 Months active

Languages Used

BashGradleKotlinYAMLRustShell

Technical Skills

Build AutomationBuild System ConfigurationCI/CDDependency ManagementGPG SigningGitHub Actions

eclipse-zenoh/zenoh-ts

Nov 2024 Jul 2025
8 Months active

Languages Used

BashTOMLYAMLRustJSONMarkdownTypeScriptbash

Technical Skills

Build AutomationBuild System ConfigurationBuild SystemsCI/CDCI/CD ConfigurationCross-Compilation

ZettaScaleLabs/zenoh

Dec 2024 Oct 2025
8 Months active

Languages Used

TOMLYAMLMarkdownRustShell

Technical Skills

CI/CD ConfigurationDependency ManagementCI/CDGitHub ActionsCode CoverageConfiguration

eclipse-zenoh/zenoh-cpp

Oct 2024 Oct 2025
10 Months active

Languages Used

BashCMakeGitYAMLShellC++

Technical Skills

Build AutomationCI/CDPackage ManagementSubmodule ManagementAutomationCI/CD Configuration

eclipse-zenoh/zenoh-pico

Oct 2024 Oct 2025
7 Months active

Languages Used

BashCMakeMakefileYAMLShellbash

Technical Skills

Build SystemsCI/CDCross-compilationPackage ManagementConfiguration ManagementDevOps

eclipse-zenoh/zenoh-plugin-dds

Dec 2024 Oct 2025
7 Months active

Languages Used

YAMLRustShellTOML

Technical Skills

CI/CD ConfigurationRelease ManagementCargoDependency ManagementRustCI/CD

eclipse-zenoh/zenoh-java

Nov 2024 Aug 2025
10 Months active

Languages Used

BashYAMLKotlinRustGradle

Technical Skills

CI/CDGitShell ScriptingCI/CD ConfigurationBuild AutomationGitHub Actions

eclipse-zenoh/zenoh-plugin-ros2dds

Dec 2024 Oct 2025
7 Months active

Languages Used

YAMLRustShell

Technical Skills

CI/CD ConfigurationCargoDependency ManagementRustCI/CDGitHub Actions

eclipse-zenoh/zenoh-plugin-mqtt

Dec 2024 Oct 2025
7 Months active

Languages Used

YAMLRustTOMLShell

Technical Skills

CI/CD ConfigurationCargoDependency ManagementRustCI/CDGitHub Actions

eclipse-zenoh/zenoh-backend-rocksdb

Dec 2024 Aug 2025
5 Months active

Languages Used

YAMLRustTOML

Technical Skills

CI/CDConfiguration ManagementBuild SystemsCargoDependency ManagementRust

eclipse-zenoh/zenoh-python

Nov 2024 May 2025
6 Months active

Languages Used

BashYAMLRust

Technical Skills

CI/CDRelease ManagementShell ScriptingCI/CD ConfigurationDependency ManagementRust

eclipse-zenoh/zenoh-plugin-webserver

Dec 2024 Aug 2025
5 Months active

Languages Used

YAMLRust

Technical Skills

CI/CD ConfigurationCargoDependency ManagementRustCI/CDGitHub Actions

eclipse-zenoh/zenoh-backend-s3

Dec 2024 Aug 2025
5 Months active

Languages Used

YAMLRust

Technical Skills

CI/CDRelease ManagementCargoDependency ManagementRustGitHub Actions

atolab/zenoh-web

Jul 2025 Jul 2025
1 Month active

Languages Used

Markdown

Technical Skills

Documentation

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