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Nando Vieira

PROFILE

Nando Vieira

Over the past year, Fnando engineered robust enhancements to the Stellar CLI and related repositories, focusing on developer experience, protocol support, and cross-platform distribution. He introduced advanced transaction and asset management features, centralized configuration using Rust and YAML, and streamlined CI/CD pipelines with GitHub Actions. In stellar-cli, Fnando implemented protocol-aware compilation, plugin management, and diagnostics tooling, while also improving security around key management and seed phrases. His work extended to packaging automation for Windows via Winget and documentation alignment in stellar-docs. By integrating Rust, Node.js, and Docker, Fnando delivered maintainable, testable solutions that improved reliability and onboarding for Stellar developers.

Overall Statistics

Feature vs Bugs

89%Features

Repository Contributions

134Total
Bugs
8
Commits
134
Features
67
Lines of code
25,458
Activity Months12

Work History

October 2025

19 Commits • 6 Features

Oct 1, 2025

October 2025 monthly summary for Stellar development: delivered user-facing CLI improvements, hardened tooling, diagnostics, security, and packaging. Key outcomes include migration-focused deprecations, reliability enhancements for Soroban CLI, data-directory validation, safer key management, and Windows distribution via Winget.

September 2025

28 Commits • 16 Features

Sep 1, 2025

September 2025 focused on expanding Stellar CLI capabilities, strengthening reliability, and broadening distribution and documentation ecosystems across repositories. Key deliveries include advanced CLI operations for transaction building (including claimable balances, DEX offers, and strict path payments), clawback functionality with tests/docs, liquidity pool deposits/withdrawals support, and sponsorship management commands. Additional enhancements covered snapshot creation with dynamic ledger metadata, signer identity handling for tx sets, and one-time transaction simulation caching. We also advanced CI/CD efficiency (composite actions, selective test runs) and updated core tooling/dependencies, plus packaging and docs improvements (Winget manifests, build/docs scripts, and SEP-0055 contract build provenance).

August 2025

18 Commits • 6 Features

Aug 1, 2025

August 2025 delivered a more robust and reusable Stellar CLI with improvements across troubleshooting, transaction workflows, stability, and cross-platform distribution, aligning with business goals of faster issue resolution, broader adoption, and improved developer experience.

July 2025

15 Commits • 11 Features

Jul 1, 2025

July 2025 was focused on delivering end-to-end value across documentation, Quickstart onboarding, CLI capabilities, and packaging, with emphasis on faster onboarding, protocol readiness, centralized configuration, and observability. Key outcomes include enabling the Stellar Lab in Quickstart, Protocol 23 readiness for Stellar CLI, centralized configuration management, and improved build/observability with JSON logs. Business value includes faster onboarding, improved developer UX, and more predictable deployments. Winget packaging updates (Stellar CLI v22.8.2 and v23.0.0) streamlined Windows deployments. Documentation cleanup removed an outdated Sora note to prevent confusion. Technologies/skills demonstrated include Protocol 23 integration, XDG-based global config, multi-file WASM optimization, CI/CD tuning, TypeScript bindings updates to SDK v14, Node.js 20 compatibility, and JSON-formatted logs.

June 2025

1 Commits • 1 Features

Jun 1, 2025

June 2025 monthly summary for stellar-cli focusing on workflow policy improvements to reduce stale noise and prevent premature auto-closure of issues/PRs. Implemented extended inactivity grace period from 30 to 90 days and disabled auto-closing by setting days-before-close to -1. This aligns with governance expectations and reduces unnecessary contributor friction.

May 2025

7 Commits • 3 Features

May 1, 2025

May 2025 performance summary: Delivered a strengthened plugin ecosystem for Stellar CLI and improved cross-repo packaging and documentation, while hardening build compatibility. The work focuses on delivering business value through easier plugin discovery, reliable deployments, and clearer developer guidance, enabling faster adoption and fewer production issues across the Stellar tooling stack.

April 2025

4 Commits • 2 Features

Apr 1, 2025

April 2025: Delivered UX improvements and documentation alignment for Stellar CLI and docs. Focus areas included improving command discovery, error guidance, and correcting deployment references to ensure accurate, developer-friendly workflows.

March 2025

8 Commits • 6 Features

Mar 1, 2025

March 2025 performance summary highlighting key features delivered, major fixes, and impact across stellar-cli, stellar-docs, winget-pkgs, and quickstart. Focused on business value and technical achievements.

February 2025

3 Commits • 2 Features

Feb 1, 2025

February 2025 monthly summary focusing on delivering business value through protocol-aware compilation, strengthened tooling, and reproducible builds for stellar-cli. Key contributions include enabling P23 protocol-based conditional compilation, improving CI/dev tooling, and stabilizing build/test workflows, resulting in safer releases and reduced maintenance overhead.

January 2025

15 Commits • 6 Features

Jan 1, 2025

January 2025 monthly summary for stellar-cli highlighting business value delivered through feature delivery, reliability improvements, and UX/security enhancements. Key investments focused on enabling easier asset deployment management, tightening CI/test reliability, strengthening seed-phrase security, refining CLI UX, and improving developer onboarding. Note: license visibility was explored but reverted to align with policy. Key features delivered and improvements: - Alias-based contract asset deployment management: added ability to save and reference deployed contract asset IDs with custom aliases, with warnings on overwriting existing aliases and printing the old contract when an alias is overridden. - CI/build reliability improvements: updated CI/test setup to include libdbus-1-dev and added tests for path remapping to prevent embedding absolute paths in Wasm binaries. - Seed phrase management and security UX: introduced seed phrase display options, enforced entropy checks, and updated identity-generation documentation; added capability to return seed phrases on stellar keys secret. - Contract CLI UX enhancements and deprecations: deprecated 'contract install' in favor of 'contract upload', set local network as the default for container commands, added short flags for network and source account, and improved help output to show the running command. - Documentation and onboarding enhancements: added direct edit URLs to cookbook pages and improved contract template onboarding documentation. Major bugs fixed (or reliability improvements): - Path handling and binary portability issues addressed via remapping tests to prevent embedding absolute paths in Wasm binaries. - Improved override behavior visibility by printing prior contract when overwriting an alias. Overall impact and accomplishments: - Reduced deployment friction and risk by introducing alias-based asset management, enabling repeatable deployments with clear alias handling. - Improved CI stability and test coverage, reducing pipeline flakiness and ensuring Wasm artifacts do not inadvertently embed absolute paths. - Strengthened security UX around seed phrases and identity creation, with documentation updates to support safer usage. - Refined developer experience through CLI UX enhancements and better onboarding materials, accelerating onboarding and reducing time-to-value for new contributors. Technologies/skills demonstrated: - CLI and UX design for better developer ergonomics (aliasing, short flags, default networks, command visibility). - CI/CD engineering (workflow dependencies, test coverage for path remapping). - Security UX for seed phrases and identity creation (entropy checks, seed phrase handling). - Documentation and onboarding practices (cookbook edits, template onboarding). - Change management and release discipline (feature delivery with controlled deprecations and reversions when needed).

December 2024

3 Commits • 2 Features

Dec 1, 2024

December 2024 monthly summary for Stellar development efforts. Focused on stabilizing the Windows installer release pipeline for the stellar-cli project and enhancing the Stellar CLI unit testing documentation in stellar-docs. Outcomes include more reliable artifact publication, improved CI/CD stability, and clearer guidance for developers, enabling safer releases and faster onboarding.

November 2024

13 Commits • 6 Features

Nov 1, 2024

November 2024 monthly summary for Stellar CLI and related repos. Delivered a comprehensive usability, distribution, and CI reliability refresh across Stellar CLI, with cross‑platform packaging improvements, enhanced configuration, and clearer documentation.

Activity

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Quality Metrics

Correctness93.2%
Maintainability92.4%
Architecture91.2%
Performance87.0%
AI Usage20.0%

Skills & Technologies

Programming Languages

BashDockerfileGoJavaScriptMakefileMarkdownNginx ConfigurationNginx configurationNixPascalScript

Technical Skills

API IntegrationAsset ManagementBlockchainBlockchain DevelopmentBug FixingBuild AutomationBuild ManagementBuild SystemsBuild ToolsCI/CDCLI DevelopmentCargoCode FormattingCode QualityCode Refactoring

Repositories Contributed To

8 repos

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

stellar/stellar-cli

Nov 2024 Oct 2025
12 Months active

Languages Used

MarkdownPascalScriptPlain TextPowerShellRustYAMLGoMakefile

Technical Skills

Build AutomationCI/CDCLI DevelopmentCommand Line ArgumentsConfiguration ManagementDocumentation

stellar/stellar-docs

Nov 2024 Sep 2025
7 Months active

Languages Used

JavaScriptMarkdownTypeScriptYAML

Technical Skills

Build ToolsDocumentationFront-end DevelopmentGitScriptingTechnical Writing

stellar/quickstart

Mar 2025 Sep 2025
4 Months active

Languages Used

MakefileDockerfileNginx ConfigurationNginx configurationShellYAML

Technical Skills

Build ManagementVersion ControlBuild AutomationCI/CDConfiguration ManagementDevOps

nushell/winget-pkgs

Mar 2025 Jul 2025
3 Months active

Languages Used

YAML

Technical Skills

DevOpsPackage Management

vedantmgoyal9/winget-pkgs

Aug 2025 Oct 2025
3 Months active

Languages Used

YAML

Technical Skills

CI/CDPackage ManagementDevOps

qishibo/winget-pkgs

Nov 2024 Nov 2024
1 Month active

Languages Used

YAML

Technical Skills

CI/CDPackage ManagementYAML

zed-industries/winget-pkgs

Jul 2025 Jul 2025
1 Month active

Languages Used

YAML

Technical Skills

DevOpsPackage Management

stellar/stellar-protocol

Sep 2025 Sep 2025
1 Month active

Languages Used

MarkdownYAML

Technical Skills

BlockchainDevOpsDocumentationGitHub ActionsSmart Contracts

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