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Antoine Augusti

PROFILE

Antoine Augusti

Antoine Augusti led the engineering of etalab/transport-site, delivering robust data management, API integration, and user experience improvements over 17 months. He architected features such as token-based authentication, in-memory dataset indexing, and real-time data validation, using Elixir, Phoenix, and SQL to ensure reliability and scalability. His work included integrating external data sources, optimizing search and export workflows, and automating CI/CD pipelines. By focusing on backend resilience, frontend usability, and data quality, Antoine enabled faster partner onboarding and improved operational visibility. The depth of his contributions is reflected in the platform’s enhanced security, maintainability, and support for complex transport data workflows.

Overall Statistics

Feature vs Bugs

71%Features

Repository Contributions

482Total
Bugs
104
Commits
482
Features
250
Lines of code
66,426
Activity Months17

Work History

March 2026

24 Commits • 15 Features

Mar 1, 2026

March 2026 for etalab/transport-site focused on reliability, discoverability, and data visibility, delivering business value through real-time data reliability, improved search, governance dashboards, and enhanced export capabilities. Key user-facing improvements include a global search bar across datasets and resources, enabling faster data discovery. In the data/ops domain, GTFS-RT resilience fixes improve real-time data reliability by properly handling nil results and emitting warnings on ID mismatches. Administrative and reporting capabilities were strengthened via a Metabase dashboard and its configuration for public transit, enhanced exports including associated resources and company names, and DB.Company integration with dataset pages. These changes collectively improve data quality, operational efficiency, and stakeholder reporting while reducing triage time for feed issues.

February 2026

10 Commits • 6 Features

Feb 1, 2026

February 2026 — etalab/transport-site: Focused on performance, data quality, and maintainability to accelerate data discovery and reliability. Key features delivered: - In-memory indexing for dataset facets (type, license, real-time availability, formats) with counts to speed up search and refine filtering. - Resource details page navigation menu for quick access to details, downloads, validation reports, and visualizations. - TokenAuth logging configurability: configurable toggle to disable request logging when token authentication is disabled, reducing log noise. - Data maintenance: Switzerland administrative division added via a Mix task, including geographic data download and insertion if missing. - Technical debt cleanup: removed dead/pre-optimization preload_spatial_areas path in DatasetController to streamline maintenance. Major bugs fixed: - Dataset population field integrity: ensure population is not null in dataset ordering to improve data integrity and query reliability. - Dataset sorting correctness: fix sorting by insertion date and add tests to validate sorting across month boundaries. Overall impact and accomplishments: - Improved search performance and user experience through in-memory facets; faster filtering and discovery. - Reduced operational noise with configurable logging and improved observability. - Strengthened data integrity and completeness (population field, Switzerland data) and cleaner maintenance via code cleanup and tests. Technologies/skills demonstrated: - Elixir/Phoenix backend enhancements, in-memory data structures, and search optimization. - Mix tasks for data maintenance and geographic data ingestion. - Testing and validation of sorting logic across month boundaries. - Code cleanup and maintenance discipline; improved observability through logging configuration.

January 2026

56 Commits • 37 Features

Jan 1, 2026

January 2026 — Delivered a mix of UX enhancements, data integrity improvements, and reliability boosts for etalab/transport-site. Key features include an interactive navigation menu with tests, Router: assign current_contact, urgent problems enhancements with validity dates and sorting, and user-space improvements displaying urgent problems and linking to unresolved discussions. Additional work introduced DatasetChecks for reuse, improved discussions scrolling, and back-office visibility for TTL. Major framework updates (Scrivener/Ecto, EctoInterval, Phoenix/LiveView, Explorer/Postgrex) were applied, along with targeted bug fixes (HTML/formatting, hypertable sizing, resource counting) and privacy tweaks (Matomo). Overall, these changes improve user experience, data accuracy, performance, and compliance, while enabling faster iteration.

December 2025

158 Commits • 80 Features

Dec 1, 2025

December 2025 — etalab/transport-site monthly summary focused on delivering business value through CI automation, data quality improvements, expanded data sources, and UX/stability enhancements. Key outcomes include a robust CI pipeline, expanded GBFS operator support, validated MobilityData GTFS integration, and enriched dataset/API capabilities that improve data accuracy and discoverability. The work also reduced operational risk through reliability fixes and infrastructure cleanup, enabling faster release cycles and more confident production readiness. Key achievements (top 5): - CI pipeline established with GitHub Actions to automatically run tests and provide fast feedback on every PR (#4989) - MobilityData GTFS Validator integrated via GitHub-sourced validator version and configured ResourceMetadata, with reliability and digest handling improvements (#5009, #5010, #5014, #5082) - GBFS improvements: added Green On operator and extended operator dataset (Nextbike, Pony) to GBFS operators CSV (#4990, #5043, #5139) - Data quality and API enhancements: DatasetQualityScore digest fallback (#4986); Dataset BO mandatory fields; API Datasets: offers added (#5001, #5049); dataset details enhanced to display transport offers (#5044) - UX, performance, and reliability improvements: UI enhancements for MobilityData validation, translation improvements for autocomplete, URL loading enhancements, and various bug fixes (500 errors, GTFS-RT handling) to improve user experience and stability (#5146, #5082, #5080, #5193, etc.)

November 2025

28 Commits • 16 Features

Nov 1, 2025

Month: 2025-11 – Transport-site development focus on data quality, partner connectivity, and reliability. Delivered a set of data management and UI improvements, expanded operator coverage, and robust background validation workflows. The work enables broader data availability, faster on-boarding of partners, and more deterministic, stable platform behavior, contributing to better decision support and partner satisfaction.

October 2025

29 Commits • 12 Features

Oct 1, 2025

October 2025 achieved meaningful business value across GTFS data quality, reliability, analytics, and privacy governance for etalab/transport-site. Key features delivered include GTFS: Fares v2 details and diff enhancements, GTFS-Flex detection improvements, and Resource UX updates; major bug fixes include HEAD forwarding for Resource#download and privacy-sensitive data removals. Analytics improvements were enabled by using spatial coverage in page stats and dataset counts, and data governance was tightened by restricting StatsHandler/AOMs to responsables légaux and removing sensitive fields. Dependency updates (Cachex v4) were completed to sustain performance.

September 2025

22 Commits • 8 Features

Sep 1, 2025

September 2025 (2025-09) focused on extending territorial coverage, enhancing spatial search capabilities, and improving data quality and maintainability for etalab/transport-site. Deliverables include GeoJSON-based territories coverage added across API and datasets, extended territorial coverage in spatial search (department, commune, region, EPCI) with region-link integration, and new dataset geographic view leveraging territories. Additional business-value features include GTFS-Flex validation linked to MobilityData and enhanced search by dataset type for Réutilisations. Key cleanup and hardening work covered improvements to the contact form, security address update, and planning for upcoming deprecation/removal of legacy components. Critical fixes addressed variable naming consistency, token handling in token creation jobs, and resource download scope, along with link stability in page stats.

August 2025

11 Commits • 9 Features

Aug 1, 2025

Aug 2025 monthly summary focusing on security, UX, and maintainability across etalab/transport-site. Deliveries span 9+ features with a mix of backend refinements, security hardening, and admin UX improvements. Notable work includes keyboard-accessible backoffice territory autocomplete with CSP nonce, a default token provisioning system for contacts and organization members with a refactored creation flow, backoffice dataset editing UI improvements via block reordering, and enhanced user settings visibility for personal tokens with tests. Security and clarity improvements include renaming the OAuth session key across modules to avoid collisions. SEO and maintainability enhancements include a transport sitemap for indexing, dependency updates with migrations (Phoenix/Oban), and consolidation of unlock logic into the transport app. Proxy access logging was added to enable auditing of authenticated proxy requests. Overall, these changes improve security, observability, user productivity in admin workflows, and system resilience for future scaling.

July 2025

13 Commits • 8 Features

Jul 1, 2025

July 2025 highlights for etalab/transport-site: delivered performance and reliability improvements across dataset history, data import formats, and backoffice workflows, while expanding data access and admin tooling. The work reduced latency, lowered server load, and enhanced data quality and consistency for operators and partners, enabling faster insights and more robust pipelines.

June 2025

37 Commits • 16 Features

Jun 1, 2025

June 2025: Delivered substantial improvements in authentication, data access, and UX. Key features include tokens management and defaults (per-organization tokens, per-contact defaults, a default token, and accompanying documentation with a DefaultTokensJob); PAN resources (authenticated URLs and token-based downloads, including token usage in proxy URLs); API datasets (HTTP request counting and authenticated URLs for resources); GBFS operator support and removal of GBFS proxy to streamline access; and a reloadable app update with DataGouv.fr integration and new homepage tiles. Also advanced Protobuf alignment and multiple stability/quality fixes to improve reliability and observability. These efforts collectively strengthen data security, accessibility, and API contracts, enabling faster partner integrations and a smoother user experience across data services.

May 2025

18 Commits • 5 Features

May 1, 2025

May 2025 performance summary for etalab/transport-site focused on improving data discoverability, security, reliability, and observability. Delivered features that accelerate data-driven decisions while strengthening data integrity and performance. Highlights include a revamped dataset search UX with counter caches, robust API token management and DDoS protections, enhanced database maintenance and instrumentation, GTFS-Flex freshness scoring with improved processing logs, and CI/dependency upgrades with TimescaleDB integration. These efforts improved search speed and accuracy, security posture, data reliability, observability, and scalability across data pipelines.

April 2025

11 Commits • 5 Features

Apr 1, 2025

April 2025 — etalab/transport-site Key features delivered: - Token-based authentication and management: added token lifecycle across user and reusable spaces, with TokenAuth plug, API routing support, plus validation and robust error handling to improve security and usability. - Reuses page enhancements: added search on the reuses page and UI polish for a cleaner, faster user experience. - GBFS operator data update: updated operator list to include Lyon, enabling correct display of Lyon bikeshare data. - GTFS validation and localization: introduced a NoCalendar validation warning; translated MissingAgencyId messages to English/French and integrated into resource views and validators. - Regulator badge in discussions: added a visual ART regulator badge to clarify member roles in transport discussions. Major bugs fixed: - Enhanced GTFS data quality checks with NoCalendar warnings and clarified MissingAgencyId translations to reduce user confusion. - Improved token creation error handling and resilience in the API surface. Impact and accomplishments: - Strengthened security and token lifecycle management, reducing risk of token misuse and misconfiguration. - Improved UX and data discoverability on the reuses page; more accurate Lyon bikeshare display. - Higher data quality and multilingual support, lowering translation-related friction for users. - Clearer governance cues in discussions, reducing ambiguity about user roles. Technologies/skills demonstrated: - Elixir/Phoenix (TokenAuth plug, API routing), GTFS data validation, internationalization (i18n), UI/UX refinements, and GBFS data integration.

March 2025

9 Commits • 5 Features

Mar 1, 2025

March 2025 performance summary for etalab/transport-site: Delivered key data management enhancements and quality improvements that unlock better data reliability, discoverability, and user value. Centralized LEZ data via CSV for publisher management; extended history support for reuser_improved_data (GTFS) ensuring historical accuracy; advanced reuses experience with end-to-end data import, display, and stats; improved data categorization with SIRI Lite format detection; introduced NeTEx dataset compliance scoring to drive quality. Also fixed bugs to strengthen real-time resource detection and overall data integrity.

February 2025

11 Commits • 6 Features

Feb 1, 2025

February 2025 monthly summary for etalab/transport-site: Delivered user-facing data sharing enhancements, data ingestion expansion, performance optimizations, and UI/translation cleanups. Implemented automation and indexing to improve data access, reliability, and developer velocity; aligned with partner data sharing objectives and operational efficiency.

January 2025

4 Commits • 2 Features

Jan 1, 2025

January 2025 monthly summary for etalab/transport-site focusing on reliable data curation and feed quality: key features delivered, major bugs fixed, and clear business impact.

December 2024

16 Commits • 8 Features

Dec 1, 2024

December 2024: Delivered targeted features, fixed priority data quality bugs, and strengthened observability and CI/CD efficiency for etalab/transport-site. Business value centers on higher data reliability, broader transport data coverage, faster feedback loops, and easier maintenance. Key highlights include enhanced dataset validation notifications, expanded GBFS data sources, improved ZFE dataset search with tag normalization, robust worker observability, and CI/CD performance improvements with an Oban upgrade.

November 2024

25 Commits • 12 Features

Nov 1, 2024

November 2024 for etalab/transport-site delivered security hardening, reliability improvements, and data/UX enhancements that increase safety, performance, and insight for operators and developers. Focused on robust data handling, safer integrations with external resources, and improved discovery and analytics to drive faster, evidence-based decisions.

Activity

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Quality Metrics

Correctness93.0%
Maintainability86.8%
Architecture86.4%
Performance85.2%
AI Usage20.8%

Skills & Technologies

Programming Languages

CSSCSVDockerfileElixirGettextHEEXHEExHTMLJavaScriptMarkdown

Technical Skills

API DevelopmentAPI DocumentationAPI IntegrationAPI ManagementAPI SecurityAPI developmentAPI integrationAWS S3AWS S3 integrationAppSignalApplication IntegrationAsset ManagementAuthenticationBack End DevelopmentBack-end Development

Repositories Contributed To

1 repo

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

etalab/transport-site

Nov 2024 Mar 2026
17 Months active

Languages Used

ElixirHTMLJavaScriptSCSSCSVGettextPOShell

Technical Skills

API DevelopmentAPI IntegrationBackend DevelopmentCachingData EngineeringData Filtering