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Andrew Brandt

PROFILE

Andrew Brandt

Andrew Brandt engineered robust CI/CD pipelines and governance frameworks across the hiero-ledger and hashgraph repositories, focusing on release automation, workflow reliability, and contributor onboarding. He enhanced the hiero-consensus-node project by implementing deterministic build processes, semantic versioning, and automated release workflows using GitHub Actions and Gradle. Andrew streamlined configuration management and code ownership, introducing YAML-driven governance and access controls to support scalable collaboration. His work in Bash scripting and Node.js improved artifact handling and documentation delivery, reducing release risk and accelerating feedback cycles. These efforts resulted in more predictable deployments, safer collaboration, and a maintainable foundation for ongoing development.

Overall Statistics

Feature vs Bugs

91%Features

Repository Contributions

176Total
Bugs
8
Commits
176
Features
85
Lines of code
10,168
Activity Months17

Work History

February 2026

18 Commits • 11 Features

Feb 1, 2026

February 2026 (2026-02) performance summary focusing on business value and technical excellence across core repositories. Delivered key features, fixed critical CI/CD issues, and strengthened release automation, resulting in more predictable deployments, safer collaboration, and faster iteration cycles.

January 2026

19 Commits • 7 Features

Jan 1, 2026

Month: 2026-01 Summary: This month focused on delivering robust CI/CD improvements, safer release processes, and governance enhancements across the Hiero Ledger projects, while reorganizing modules and documentation to improve developer productivity and contributor onboarding. The work delivered reduces risk in production deployments, speeds up feedback cycles, and strengthens access controls and governance practices, all while maintaining momentum on documentation and release workflows. Key features delivered: - hiero-consensus-node: Implemented robust CI/CD workflow enhancements to increase reliability and efficiency, including gating network log uploads to failing tests, skipping unnecessary CI steps for private repos, fixing Gradle determinism double-runs, enabling bash variable expansion for commit counts, clarifying workflow naming, and adding input references for test controllers. Also delivered a dry-run mode for version roll to safely simulate increments, and aligned codebase organization by moving hiero-observability under the com.hedera.hashgraph group for consistency. - hiero-governance: Strengthened governance with hiero-automation team access to hiero-cli, introduced roadmap repository governance, and updated solo committers to reflect current contributors, improving project stewardship and collaboration. Governance documentation was reorganized and migrated to the governance repo for easier access. - hiero-ledger/solo: Improved the release process and versioning with semantic release alignment, safer publish steps (dry-run for npm publishing), and improved version calculation and artifact handling. Documentation CI workflow was enhanced to run builds for all relevant PRs by removing the draft PR restriction, ensuring docs stay current with changes. Major bugs fixed: - Fixed the double execution of Gradle determinism in CI, eliminating flaky builds and reducing wait times. - Implemented a not-cancelled check to the failure artifact publishing step to ensure only valid artifacts are published when tests fail, improving artifact integrity. - Resolved CI workflow inconsistencies by introducing private-repo-aware skips and stable bash variable expansion for commit counts, increasing reliability across private and public repos. Overall impact and accomplishments: - Increased release reliability and predictability through a safer version roll dry-run capability and more deterministic CI behavior. - Strengthened governance and contributor management, enabling better access control and clearer ownership of critical components. - Accelerated developer feedback and documentation delivery through improved CI coverage and documentation builds on pull requests. Technologies/skills demonstrated: - GitHub Actions and CI/CD pipeline optimization, Gradle determinism fixes, bash scripting enhancements, and workflow governance - Semantic release, npm publishing safety checks, and dry-run testing for release workflows - Module organization and repository governance best practices, and documentation migration and centralization

December 2025

8 Commits • 3 Features

Dec 1, 2025

December 2025 monthly summary for hiero-ledger development focusing on delivering secure release automation, streamlined CI/CD for critical validators, and governance scaffolding across hiero repositories. The work enhanced release reliability, build efficiency, and cross-team collaboration while laying a scalable governance foundation for future contributions.

November 2025

8 Commits • 4 Features

Nov 1, 2025

November 2025 focused on strengthening CI reliability, standardizing commit metadata, and improving release tooling across the codebase. Key initiatives included migrating to hiero-ledger packages, enhancing CI logs and RC handling in hiero-consensus-node, standardizing commits via Conventional Commits presets across solo, hashgraph projects (hedera-cli, hedera-mirror-node-explorer), and correcting maintainer attribution in governance. These changes reduce release risk, improve traceability, and streamline automation, delivering tangible business value through more reliable builds, faster releases, and clearer changelogs.

October 2025

6 Commits • 3 Features

Oct 1, 2025

October 2025 monthly summary focusing on governance updates, CI/CD enhancements, and documentation improvements across three repositories. Delivered governance roster update with no functional CLI changes, hardened and standardized CI/CD workflows, and consolidated workflow naming documentation to improve maintainability and onboarding. Business value achieved through more reliable pipelines, faster release readiness, and clearer governance.

September 2025

16 Commits • 6 Features

Sep 1, 2025

September 2025 highlights: Strengthened release automation, CI/CD reliability, and governance across multiple repositories. Key features delivered include automated release notes generation, Slack reporting, and standardized release workflow naming/versioning; a dedicated Block-node regression testing CI workflow; and CI/CD hygiene improvements such as conditional tagging, parallel test execution, and streamlined workflow references. Governance improvements included CODEOWNERS alignment and repository access groundwork for hiero-cli and related transfers. These changes collectively reduce manual toil, shorten release cycles, improve traceability, and enable broader collaboration across teams.

August 2025

12 Commits • 4 Features

Aug 1, 2025

Monthly summary for 2025-08 focusing on delivering standardized CI/CD workflows, reliability improvements in test reporting, and organizational alignment through automation across two repos: hiero-ledger/hiero-consensus-node and hedera-dev/hedera-agent-kit. Key outcomes include improved CI/CD consistency, accurate SDLT test reporting, dependencies upgrades, gating policy enforcement for XTS, and governance automation via CODEOWNERS and Dependabot.Impact includes faster feedback loops, reduced release risk, and stronger alignment with Hashgraph org.

July 2025

10 Commits • 2 Features

Jul 1, 2025

July 2025 — hiero-consensus-node monthly summary. Focused on solidifying developer tooling and CI/CD reliability to accelerate safe deployments and reduce maintenance overhead.

June 2025

8 Commits • 4 Features

Jun 1, 2025

June 2025 highlights: Strengthened CI/CD reliability, determinism, and cost control across four repositories. Key deliverables include: Guardian: switched to self-hosted CI runners and standardized CI workflow formatting; hiero-consensus-node: updated Windows runners to Windows-2025 with GS_STATE automation and fixed typos in CI workflows; pbj: upgraded hiero-gradle-conventions to v0.4.5 in integration tests; hiero-sdk-java: updated Gradle conventions plugin to v0.4.5. These changes reduce release risk, improve pipeline readability, and enable faster, more predictable releases.

May 2025

6 Commits • 2 Features

May 1, 2025

May 2025 monthly summary for two repositories. Focused on reliability improvements for CI/CD workflows and governance/documentation enhancements to standardize release practices, reduce friction, and improve traceability. Business value realized through more predictable release cycles, reduced CI flakiness, and clearer commit and release documentation across teams.

April 2025

9 Commits • 5 Features

Apr 1, 2025

April 2025 monthly summary highlighting key features delivered, major fixes, impact, and technology skills demonstrated across three repositories. Focused on CI automation, governance, and release reliability to drive faster, safer software delivery and clearer ownership.

March 2025

21 Commits • 12 Features

Mar 1, 2025

March 2025 monthly summary focusing on CI/CD reliability, release automation, and governance alignment across hiero-ledger and Hashgraph repositories. Delivered targeted improvements to build determinism, streamlined release workflows, and consolidated CODEOWNERS ownership, enabling faster, safer releases and clearer accountability.

February 2025

6 Commits • 2 Features

Feb 1, 2025

February 2025: Delivered governance expansion across new repositories and established semantic release automation, strengthening access control, onboarding for contributors, and release reliability.

January 2025

13 Commits • 9 Features

Jan 1, 2025

January 2025 performance summary: Delivered governance, CI/CD, and configuration hygiene improvements across the repository portfolio, with a focus on reducing configuration noise, strengthening access control, and accelerating safer releases. Key work spanned multidisciplinary changes in governance, CI configuration, and code ownership processes across hiero-ledger and hashgraph repositories, enabling clearer ownership, faster approvals, and more reliable release pipelines.

December 2024

6 Commits • 4 Features

Dec 1, 2024

December 2024 monthly summary focusing on key accomplishments, features delivered, major updates, and business impact across three repositories. Emphasis on security, ownership governance, CI/CD reliability, and governance configuration improvements.

November 2024

5 Commits • 2 Features

Nov 1, 2024

November 2024 monthly summary for hiero-ledger/hiero-consensus-node and hashgraph/hedera-cli. Focused on delivering reliable CI improvements, governance enhancements, and stabilizing the build pipeline across critical repos. Highlighted by targeted commits in CI metadata propagation, formatting improvements, a Gradle Actions rollback for stability, and CODEOWNERS governance updates.

October 2024

5 Commits • 5 Features

Oct 1, 2024

Month: 2024-10 Concise monthly summary focused on governance, release hygiene, and developer productivity across all repositories. This month emphasized formal retroactive sign-offs to acknowledge historical commits, improved release workflows, and schema enhancements to support future development and interoperability.

Activity

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Quality Metrics

Correctness96.6%
Maintainability96.0%
Architecture95.0%
Performance94.4%
AI Usage21.2%

Skills & Technologies

Programming Languages

BashGradleJSONJavaScriptKotlinMarkdownPerlPythonShellText

Technical Skills

API IntegrationAutomationBash ScriptingBuild ManagementBuild ToolingBuild ToolsCI/CDCI/CD ConfigurationCode ManagementCode OwnershipCode Ownership ManagementCode StandardsConfiguration ManagementContinuous IntegrationDependency Management

Repositories Contributed To

22 repos

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

hiero-ledger/hiero-consensus-node

Nov 2024 Feb 2026
14 Months active

Languages Used

YAMLKotlinBashShellMarkdownPerlGradlebash

Technical Skills

CI/CDDependency ManagementGitHub ActionsJenkins IntegrationBuild ManagementDevOps

hiero-ledger/governance

Dec 2024 Feb 2026
11 Months active

Languages Used

YAMLbashyamlMarkdown

Technical Skills

Configuration ManagementCI/CDRepository ManagementTeam ManagementDevOpsCI/CD Configuration

hiero-ledger/solo

Oct 2024 Feb 2026
6 Months active

Languages Used

JavaScriptYAMLMarkdownJSON

Technical Skills

CI/CDDependency ManagementGitGitHub ActionsDocumentationSemantic Versioning

hiero-ledger/hiero-sdk-js

Oct 2024 Feb 2026
4 Months active

Languages Used

JavaScriptTypeScriptYAML

Technical Skills

API IntegrationCode ManagementSDK DevelopmentVersion ControlCI/CDGitHub Actions

yeasy/lfdt-governance

May 2025 May 2025
1 Month active

Languages Used

Markdown

Technical Skills

DocumentationProject ManagementTechnical Writing

hashgraph/hedera-cli

Nov 2024 Feb 2026
4 Months active

Languages Used

YAMLJSONJavaScript

Technical Skills

CI/CDCode OwnershipDevOpsGitHub ActionsContinuous IntegrationSemantic Versioning

hashgraph/hedera-mirror-node-explorer

Mar 2025 Nov 2025
2 Months active

Languages Used

YAMLJSON

Technical Skills

CI/CDCode OwnershipCode Ownership ManagementDevOpsGitHub ActionsConfiguration Management

hiero-ledger/hiero-local-node

Oct 2024 Feb 2026
3 Months active

Languages Used

yamlJSON

Technical Skills

CI/CDGitHub Actionspackage managementversion control

hashgraph/guardian

Apr 2025 Jun 2025
2 Months active

Languages Used

YAML

Technical Skills

CI/CDCode Ownership ManagementDevOpsGitHub Actions

hiero-ledger/hiero-block-node

Oct 2024 Jan 2025
2 Months active

Languages Used

YAML

Technical Skills

CI/CDCode OwnershipDevOps

hashgraph/pbj

Dec 2024 Jun 2025
2 Months active

Languages Used

Kotlin

Technical Skills

Code OwnershipDevOpsBuild ManagementGradle

hiero-ledger/hiero-improvement-proposals

Jan 2025 Mar 2025
2 Months active

Languages Used

YAML

Technical Skills

DevOpsGitHub ActionsCI/CDGPG Signing

hiero-ledger/hiero-json-rpc-relay

Jan 2025 Mar 2025
2 Months active

Languages Used

YAML

Technical Skills

CI/CDDevOpsGitHub Actions

hashgraph/hedera-sourcify

Jan 2025 Jan 2025
1 Month active

Languages Used

YAML

Technical Skills

CI/CDCode OwnershipCode Ownership ManagementDevOps

hiero-ledger/hiero-mirror-node

Mar 2025 Feb 2026
2 Months active

Languages Used

YAML

Technical Skills

DevOpsRepository ManagementCI/CDGitHub Actions

hedera-dev/hedera-agent-kit

Aug 2025 Sep 2025
2 Months active

Languages Used

YAML

Technical Skills

DevOpsGitHub ActionsRepository ManagementCode Ownership Management

hashgraph/hedera-protobufs

Oct 2024 Oct 2024
1 Month active

Languages Used

protobuf

Technical Skills

protobuf development

hashgraph/hedera-wallet-connect

Jan 2025 Jan 2025
1 Month active

Languages Used

YAML

Technical Skills

CI/CDGitHub Actions

hashgraph/hedera-metamask-snaps

Jan 2025 Jan 2025
1 Month active

Languages Used

YAML

Technical Skills

CI/CDCode Ownership ManagementDevOps

hashgraph/asset-tokenization-studio

Mar 2025 Mar 2025
1 Month active

Languages Used

No languages

Technical Skills

No skills

hiero-ledger/hiero-sdk-java

Jun 2025 Jun 2025
1 Month active

Languages Used

Kotlin

Technical Skills

Build ToolingGradle

hashgraph/hedera-transaction-tool

Feb 2026 Feb 2026
1 Month active

Languages Used

YAML

Technical Skills

CI/CDGitHub Actions