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Carlos Lostao

PROFILE

Carlos Lostao

Over eleven months, Hastro engineered core backend and frontend systems for the autonomys/auto-drive and autonomys/auto-sdk repositories, focusing on scalable file storage, secure authentication, and resilient asynchronous workflows. He designed and implemented features such as chunked uploads, async downloads, and robust caching, leveraging TypeScript, Node.js, and Docker to ensure reliability and maintainability. His work included integrating RabbitMQ for messaging, enhancing JWT-based authentication, and modernizing CI/CD pipelines. By refactoring APIs, improving observability, and expanding test coverage, Hastro delivered solutions that improved performance, security, and developer experience, demonstrating depth in system design, API development, and cross-repo infrastructure alignment.

Overall Statistics

Feature vs Bugs

68%Features

Repository Contributions

914Total
Bugs
188
Commits
914
Features
391
Lines of code
252,854
Activity Months11

Work History

October 2025

5 Commits • 2 Features

Oct 1, 2025

October 2025 monthly summary for autonomys/auto-sdk: Delivered resilience and flexibility in streaming and caching, with a focused set of commits that enhance reliability, performance, and build integrity. Business value was created through robust data flow, reduced downstream errors, and more adaptable caching strategies, while maintaining up-to-date dependencies.

September 2025

4 Commits • 2 Features

Sep 1, 2025

Month: 2025-09 — Delivered key frontend communications improvements in autonomys/astral to streamline deprecation messaging and network compatibility status. Centralized banner management in MainLayout by implementing DeprecatingBanner and restoring UnsupportedNetworkBanner, enabling consistent user guidance and easier future maintenance. These changes reduce user confusion, improve onboarding for deprecated features, and strengthen readiness for platform guidance (Subscan/Polkadot.js Apps).

August 2025

3 Commits • 1 Features

Aug 1, 2025

August 2025 monthly summary focusing on reliability improvements and release-note hygiene across autonomys/subspace and autonomys/auto-sdk. Delivered a panic-based fail-fast mechanism for the Subspace Gateway in response to RestartNeeded WebSocket errors to ensure immediate restart signaling and prevent inconsistencies from unresponsive node connections. Improved release notes quality in auto-sdk by removing extraneous blank lines and adding a deduplication function to strip duplicate Markdown link reference definitions for Unreleased, current, and next versions. These changes reduce operational risk, improve release clarity, and demonstrate strong automation and code hygiene.

June 2025

45 Commits • 12 Features

Jun 1, 2025

June 2025 (2025-06) performance summary for autonomys/auto-drive and autonomys/auto-sdk. Delivered a robust backend download API and worker infrastructure with Docker Compose deployment improvements and RabbitMQ prefetch, enabling reliable, scalable asynchronous downloads. Refactored UI date handling (SideNavbar renewal date) to dayjs to reduce edge-case bugs. Implemented security and performance enhancements in the auto-files ecosystem (Bearer token authentication, cache-first retrieval with streaming, and chunked downloads with streamToBuffer). Expanded admin and user capabilities with pagination-enriched user lists, admin panel search, and /users/:publicId endpoints. Completed documentation enhancements and kept dependencies aligned through lockfile updates, while fixing critical config issues (PORT env variables for production) and several quality bugs (archiver mapping, IndexedDB SSR handling, and pagination validation).

May 2025

154 Commits • 72 Features

May 1, 2025

May 2025 monthly summary focusing on key business value and technical achievements across two primary repos: autonomys/auto-drive and autonomys/auto-sdk. The month delivered security and reliability improvements in authentication, enhanced observability and performance, and a scalable asynchronous download workflow, alongside extensive test coverage and infrastructure maintenance.

April 2025

95 Commits • 39 Features

Apr 1, 2025

April 2025 – Consolidated platform reliability, performance, and developer experience across autonomys/auto-sdk and autonomys/auto-drive. Delivered core features, stabilized critical workflows, and modernized CI/CD and deployment infrastructure to enable safer releases and faster iteration. Notable technical improvements include RPC server-side notifications, granular WebSocket lifecycle callbacks, and robust file caching/IO, alongside cross-repo tooling upgrades and environment-driven deployment configurations. Key auth, data modeling, and UI refinements further strengthened user experience and security posture, while SDK and RPC API alignment prepared the ground for upcoming capabilities.

March 2025

126 Commits • 55 Features

Mar 1, 2025

March 2025 performance highlights across autonomys/auto-drive, autonomys/auto-sdk, and autonomys/astral focused on building a more reliable, scalable foundation with improved test stability, development workflow, telemetry, and API tooling. Deliverables span test stability, CI/CD, telemetry, feature toggles, and SDK/API enhancements, enabling faster, safer releases and robust integrations.

February 2025

124 Commits • 53 Features

Feb 1, 2025

February 2025 monthly highlights across autonomys/auto-drive and autonomys/auto-sdk focused on reliability, scalability, and developer productivity. Key architectural changes were completed to modernize messaging, API surface, and file handling, with a strong emphasis on correctness, testability, and security. Delivered customer-facing features (public downloads, search/retrieval) and internal improvements (unified Auto-Drive API, FS integration, and robust testing) that enable more resilient services and faster feature delivery.

January 2025

105 Commits • 45 Features

Jan 1, 2025

January 2025 performance summary for autonomys projects. The month delivered architectural upgrades, feature expansions, and reliability improvements across autonomys/auto-drive, autonomys/auto-sdk, and autonomys/astral, all aligned to business value and cross-network capabilities. Major initiatives include DSN-based archival retrieval and gateway authentication integrated into the AutoDrive workflow, a DSN infrastructure refactor with service relocation, and multi-network wiring for AutoDrive API in auto-sdk with mainnet support. Additional highlights include persistent file caching and secret manager integration to boost performance and security, and expanded download capabilities with publicly accessible links. Frontend UX improvements (UI polish, responsive tweaks, and accessible navigation) complemented by backend quality improvements such as authentication-system separation and Hasura metadata fixes.

December 2024

77 Commits • 34 Features

Dec 1, 2024

December 2024 monthly summary highlighting delivery of deployment reliability, security hardening, SDK modernization, developer experience improvements, and user-facing UX enhancements across autonomys/auto-drive and autonomys/auto-sdk. Focused on business value: faster, more secure deployments; improved developer onboarding; and a more robust, scalable codebase ready for future features.

November 2024

176 Commits • 76 Features

Nov 1, 2024

November 2024: Delivered robust feature work and critical stability fixes across autonomys/auto-sdk and autonomys/auto-drive, delivering tangible business value through more reliable uploads, stronger security, and faster integration with downstream systems. The month combined core engineering work, CI/CD and testing improvements, and UX refinements that reduce operational risk and improve developer experience.

Activity

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Quality Metrics

Correctness90.8%
Maintainability91.2%
Architecture88.4%
Performance85.8%
AI Usage21.6%

Skills & Technologies

Programming Languages

BinaryC++CSSDockerfileGitGraphQLHTMLJSONJavaScriptMakefile

Technical Skills

API DesignAPI DevelopmentAPI DocumentationAPI GatewayAPI Gateway ConfigurationAPI IntegrationAPI MonitoringAPI RefactoringAPI ReferenceAPI SecurityAPI UsageAWSAWS LambdaAWS SDKAccessibility

Repositories Contributed To

4 repos

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

autonomys/auto-drive

Nov 2024 Jun 2025
8 Months active

Languages Used

BinaryCSSDockerfileGraphQLHTMLJSONJavaScriptMarkdown

Technical Skills

API DevelopmentAPI IntegrationAccessibilityAdmin PanelApollo ClientAuthentication

autonomys/auto-sdk

Nov 2024 Oct 2025
10 Months active

Languages Used

JSONJavaScriptMarkdownShellTypeScriptYAMLprotobufPython

Technical Skills

API DevelopmentAPI IntegrationAsynchronous ProgrammingAuthenticationBackend DevelopmentBigInt

autonomys/astral

Jan 2025 Sep 2025
3 Months active

Languages Used

JavaScriptTypeScriptCSSReact

Technical Skills

API DevelopmentBackend DevelopmentCode OrganizationFile HandlingNestJSTypeORM

autonomys/subspace

Aug 2025 Aug 2025
1 Month active

Languages Used

Rust

Technical Skills

Error HandlingNode.jsRust

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