
Michiel Mulders developed and enhanced CLI tooling and governance systems across repositories such as hashgraph/hedera-cli and hiero-ledger/governance. He delivered features including cross-network account balance querying, Hardhat integration for smart contract workflows, and opt-in telemetry, focusing on automation, onboarding, and security. Using TypeScript, JavaScript, and YAML, Michiel refactored command logic, improved documentation, and centralized configuration to streamline developer experience and reduce manual steps. He also managed contributor rosters and access controls, ensuring governance accuracy and auditability. His work demonstrated depth in CLI development, configuration management, and team collaboration, resulting in robust, maintainable tools and scalable project processes.
Month: 2026-03 — Governance roster update for Hiero CLI (hiero-ledger/governance). Key features delivered: - Hiero CLI Contributor Roster Update: updated the member and maintainer roster by removing Michiel Mulders from several teams and adding new members. Implemented in a single PR in the hiero-ledger/governance repository. Commit: 00f2f33c73d5cbb599191ee12c55c66f206ee8f7; Signed-off-by: Michiel Mulders <michielmulders1@gmail.com>. Major bugs fixed: - No major bugs fixed this month. Overall impact and accomplishments: - Improves governance accuracy and security posture by ensuring roster reflects current ownership and access rights. - Accelerates onboarding and audits by aligning roster data with governance policy and reducing risk of misassigned permissions. - Demonstrates disciplined PR workflow and clear ownership through sign-off and traceability. Technologies/skills demonstrated: - Git-based collaboration, PR workflows, roster governance, and sign-off discipline.
Month: 2026-03 — Governance roster update for Hiero CLI (hiero-ledger/governance). Key features delivered: - Hiero CLI Contributor Roster Update: updated the member and maintainer roster by removing Michiel Mulders from several teams and adding new members. Implemented in a single PR in the hiero-ledger/governance repository. Commit: 00f2f33c73d5cbb599191ee12c55c66f206ee8f7; Signed-off-by: Michiel Mulders <michielmulders1@gmail.com>. Major bugs fixed: - No major bugs fixed this month. Overall impact and accomplishments: - Improves governance accuracy and security posture by ensuring roster reflects current ownership and access rights. - Accelerates onboarding and audits by aligning roster data with governance policy and reducing risk of misassigned permissions. - Demonstrates disciplined PR workflow and clear ownership through sign-off and traceability. Technologies/skills demonstrated: - Git-based collaboration, PR workflows, roster governance, and sign-off discipline.
Month: 2025-11 Concise monthly summary for business and technical leadership. Key features delivered: - Hiero CLI Committer Roster Update in hiero-ledger/governance: Updated config.yaml to include new committers, enabling improved collaboration and governance for the Hiero CLI project. Commit reference: 9501caacd500956bfbf09b10f6c6651c2d9b4976 with message "Add new Hiero CLI committers to config.yaml (#436)" and Signed-off-by: Michiel Mulders. Major bugs fixed: - No major bugs fixed this month. Focused on governance/configuration updates and maintenance to support scalable collaboration. Overall impact and accomplishments: - Strengthened contributor onboarding and governance compliance by ensuring the Hiero CLI roster is up-to-date in a version-controlled config.yaml. - Improved auditability and change-tracking with a clear, signed commit and reference to the governance ticket (#436). - Reduced onboarding friction for new committers and improved cross-team collaboration across the Hiero ledger project. Technologies/skills demonstrated: - YAML/configuration management and version-controlled config updates - Git commit hygiene, signed-off commits, and traceability - Governance, onboarding, and collaboration practices across a distributed team - Cross-repo coordination within the hiero-ledger/governance context
Month: 2025-11 Concise monthly summary for business and technical leadership. Key features delivered: - Hiero CLI Committer Roster Update in hiero-ledger/governance: Updated config.yaml to include new committers, enabling improved collaboration and governance for the Hiero CLI project. Commit reference: 9501caacd500956bfbf09b10f6c6651c2d9b4976 with message "Add new Hiero CLI committers to config.yaml (#436)" and Signed-off-by: Michiel Mulders. Major bugs fixed: - No major bugs fixed this month. Focused on governance/configuration updates and maintenance to support scalable collaboration. Overall impact and accomplishments: - Strengthened contributor onboarding and governance compliance by ensuring the Hiero CLI roster is up-to-date in a version-controlled config.yaml. - Improved auditability and change-tracking with a clear, signed commit and reference to the governance ticket (#436). - Reduced onboarding friction for new committers and improved cross-team collaboration across the Hiero ledger project. Technologies/skills demonstrated: - YAML/configuration management and version-controlled config updates - Git commit hygiene, signed-off commits, and traceability - Governance, onboarding, and collaboration practices across a distributed team - Cross-repo coordination within the hiero-ledger/governance context
September 2025 monthly summary for hedera-agent-kit: Focused on onboarding and environment setup improvements for the Next.js example. Updated the README to introduce the AI_PROVIDER environment variable and reordered steps for running the development server and opening the app, improving developer onboarding and reducing setup friction.
September 2025 monthly summary for hedera-agent-kit: Focused on onboarding and environment setup improvements for the Next.js example. Updated the README to introduce the AI_PROVIDER environment variable and reordered steps for running the development server and opening the app, improving developer onboarding and reducing setup friction.
Concise monthly summary for 2025-07 focusing on delivering CLI improvements for hashgraph/hedera-cli, with security hardening, usability enhancements, and documentation updates. Key changes include enforcing ECDSA keys (dropping ED25519), memo support for HBAR transfers with tinybar standardization, enhanced backup restoration/discovery with security improvements (removing private keys from state filtering), account view normalization of key types, and a refactor to replace alias with name across the CLI.
Concise monthly summary for 2025-07 focusing on delivering CLI improvements for hashgraph/hedera-cli, with security hardening, usability enhancements, and documentation updates. Key changes include enforcing ECDSA keys (dropping ED25519), memo support for HBAR transfers with tinybar standardization, enhanced backup restoration/discovery with security improvements (removing private keys from state filtering), account view normalization of key types, and a refactor to replace alias with name across the CLI.
June 2025 performance summary for hashgraph/hedera-cli: Delivered end-to-end Hardhat integration to enable contract deployment and interaction from the Hedera CLI, refined script workflow and variable handling, and embedded Hardhat workflow within the CLI. Simplified environment setup by centralizing credentials/config at the project root and removing the --path option, enabling smoother onboarding. Added topic message retrieval enhancements with sequence-number filters for granular search. Introduced an account storage contract example with deployment/interactions scripts to demonstrate practical usage and improve documentation. Overall, these efforts reduce onboarding time, improve script reliability, and broaden the Hedera CLI's capabilities for developers and teams.
June 2025 performance summary for hashgraph/hedera-cli: Delivered end-to-end Hardhat integration to enable contract deployment and interaction from the Hedera CLI, refined script workflow and variable handling, and embedded Hardhat workflow within the CLI. Simplified environment setup by centralizing credentials/config at the project root and removing the --path option, enabling smoother onboarding. Added topic message retrieval enhancements with sequence-number filters for granular search. Introduced an account storage contract example with deployment/interactions scripts to demonstrate practical usage and improve documentation. Overall, these efforts reduce onboarding time, improve script reliability, and broaden the Hedera CLI's capabilities for developers and teams.
March 2025 monthly summary for hashgraph/hedera-cli focusing on security, UX improvements, and maintainability through dependency updates and enhanced workflows.
March 2025 monthly summary for hashgraph/hedera-cli focusing on security, UX improvements, and maintainability through dependency updates and enhanced workflows.
February 2025 monthly summary for hashgraph/hedera-cli: Key features delivered include telemetry system integration with opt-in anonymous telemetry and new enable/disable commands; removed legacy record feature with user guidance and updated documentation. No critical bugs fixed this month; focus was on feature delivery, deprecation, and documentation updates. This work delivers business value by enabling privacy-preserving telemetry for usage insights, informing product decisions, and reducing technical debt, while setting the stage for analytics-driven improvements. Technologies demonstrated include CLI telemetry integration, feature flagging, command extension, user messaging, and documentation updates.
February 2025 monthly summary for hashgraph/hedera-cli: Key features delivered include telemetry system integration with opt-in anonymous telemetry and new enable/disable commands; removed legacy record feature with user guidance and updated documentation. No critical bugs fixed this month; focus was on feature delivery, deprecation, and documentation updates. This work delivers business value by enabling privacy-preserving telemetry for usage insights, informing product decisions, and reducing technical debt, while setting the stage for analytics-driven improvements. Technologies demonstrated include CLI telemetry integration, feature flagging, command extension, user messaging, and documentation updates.
January 2025 monthly summary: Strengthened developer experience and automation readiness across hiero-sdk-js and hedera-cli through targeted documentation updates, UX refinements, and flexible CLI capabilities. Delivered documentation clarifications, a config-driven network list, UX improvements for account commands, and a new --path option for backup commands. These changes reduce onboarding time, minimize confusion, and enable more reliable automation and scripting.
January 2025 monthly summary: Strengthened developer experience and automation readiness across hiero-sdk-js and hedera-cli through targeted documentation updates, UX refinements, and flexible CLI capabilities. Delivered documentation clarifications, a config-driven network list, UX improvements for account commands, and a new --path option for backup commands. These changes reduce onboarding time, minimize confusion, and enable more reliable automation and scripting.
November 2024 monthly summary for hashgraph/hedera-cli. Implemented cross-network account balance querying for setup initialization, enabling accurate balance verification of operator accounts across testnet, mainnet, previewnet, and localnet. Introduced a new API function and a utility to fetch account information by network to support multi-network balance checks, and updated the README to document the E2E testing setup. This work enhances multi-network testing capabilities and reduces manual verification effort in CI. Commit f26c5ef67ec4a1b11a3283fbf7458f9dca569ba7 updates the balance query for the setup init command (#509).
November 2024 monthly summary for hashgraph/hedera-cli. Implemented cross-network account balance querying for setup initialization, enabling accurate balance verification of operator accounts across testnet, mainnet, previewnet, and localnet. Introduced a new API function and a utility to fetch account information by network to support multi-network balance checks, and updated the README to document the E2E testing setup. This work enhances multi-network testing capabilities and reduces manual verification effort in CI. Commit f26c5ef67ec4a1b11a3283fbf7458f9dca569ba7 updates the balance query for the setup init command (#509).

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