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François Ferrandis

PROFILE

François Ferrandis

Over an 18-month period, contributed to the betagouv/rdv-service-public repository by delivering robust scheduling, authentication, and calendar integration features. Focused on user experience and system reliability, the work included multi-agent planning, FranceConnect v2 authentication, and real-time agenda updates. Leveraged Ruby on Rails, JavaScript, and SQL to optimize backend workflows, enhance UI/UX, and ensure secure data handling. Addressed operational challenges through DevOps practices, CI/CD improvements, and security patches, while expanding test coverage and observability with Sentry integration. The approach emphasized maintainable code, clear API contracts, and scalable integrations, resulting in a more resilient and user-friendly public service platform.

Overall Statistics

Feature vs Bugs

64%Features

Repository Contributions

317Total
Bugs
90
Commits
317
Features
163
Lines of code
163,823
Activity Months18

Work History

May 2026

6 Commits • 3 Features

May 1, 2026

May 2026 monthly summary for betagouv/rdv-service-public: Delivered stability improvements across authentication, scheduling, and calendar integration, expanded conferencing options, and enhanced user experience. Key efforts included reliability upgrades for authentication (Devise and devise_token_auth), improved observability (Sentry breadcrumbs), and Notion scheduling synchronization to reduce errors; user-facing calendar UX enhancements with clear sync status and robust pagination; and extended video conferencing support by adding kmeet.infomaniak.com to allowed domains. These changes reduce operational risk, improve developer experience, and broaden integration options for customers.

April 2026

1 Commits • 1 Features

Apr 1, 2026

April 2026 — betagouv/rdv-service-public: Focused on improving navigation reliability and user experience in the organization selection flow. Implemented context-aware Return-to-Home navigation by explicitly defining the current_organisation for two controllers and basing behavior on request path parameters. This ensures agents are directed to the last-used organization or the correct home page based on context, enhancing operational efficiency and reducing misnavigation.

March 2026

39 Commits • 20 Features

Mar 1, 2026

March 2026 focused on stabilizing the scheduling experience, hardening security, and improving data persistence and platform reliability for betagouv/rdv-service-public. Delivered substantial calendar UI refinements, migrated export storage to Postgres, clarified critical dependencies, and implemented maintenance and accessibility improvements that reduce incidents and accelerate time-to-value for users.

February 2026

37 Commits • 18 Features

Feb 1, 2026

February 2026: Implemented key reliability and performance enhancements across betagouv/rdv-service-public. Delivered real-time agenda optimization (refetch only the changed object type), migrated the asset build pipeline to esbuild for faster deploys, enabled asynchronous webhook body generation to reduce per-endpoint work, applied a critical security patch (CVE-2026-26996) to address dependency vulnerabilities, and optimized Redis pool handling to improve throughput. Also pursued stability improvements for CalDAV debugging and webhook retry safety, contributing to higher reliability and developer velocity.

January 2026

28 Commits • 16 Features

Jan 1, 2026

January 2026 monthly summary for betagouv/rdv-service-public focusing on delivering business value through feature delivery, reliability improvements, and calendar integrations. The month combined user-facing enhancements with backend stability work to support scale, data integrity, and a smoother scheduling experience.

December 2025

26 Commits • 16 Features

Dec 1, 2025

December 2025 — betagouv/rdv-service-public: Focused on stability, security, and user experience improvements across the RDV service public. Key contributions include deterministic Yarn installations, real-time calendar updates, and significant UI enhancements, alongside codebase clarity and security hardening. These changes reduce production incidents, improve user satisfaction, and enable faster feature delivery across the public service platform.

November 2025

2 Commits • 1 Features

Nov 1, 2025

Month: 2025-11 — Focused on improving account linking reliability and security for betagouv/rdv-service-public. Delivered OpenID Sub-based ProConnect reconciliation with a new DB column, plus comprehensive tests; enforced ES256 for FranceConnect and removed a startup-time algorithm check to prevent crashes. These changes enhance user experience, reduce linking errors and crash risk, and strengthen security.

October 2025

27 Commits • 18 Features

Oct 1, 2025

In October 2025, the rdv-service-public project delivered a focused set of business-critical features, reliability fixes, and maintainability improvements across multi-agent scheduling, data handling, and admin UX. The team advanced multi-agent planning with a feature flag and UI refactor, upgraded the Ruby runtime for better performance and compatibility, and implemented a range of stability, data quality, and operational hygiene improvements that reduce risk and prepare the system for wider agent adoption.

September 2025

16 Commits • 7 Features

Sep 1, 2025

September 2025: Delivered UX, reliability, security, and deployment improvements for betagouv/rdv-service-public. Notable features include a feature-flagged Planning UI overhaul with groundwork for multi-agent planning, pre-appointment instructions shown in a modal across all appointments, and enhanced observability in appointment wizards with Sentry logs and breadcrumbs. Major fixes include the planning menu expansion bug fix and pre-RDV instruction visibility fix. Security/data integrity hardening and database/performance work also completed (access control, sector attribution, FranceConnect cleanup, index removals, and CI/review-app deployment improvements). These changes reduce user friction, improve debugging, strengthen compliance, and boost system performance.

July 2025

2 Commits • 1 Features

Jul 1, 2025

July 2025 — Betagouv/rdv-service-public: Delivered FranceConnect v2 authentication with comprehensive user reconciliation and multi-method logout, delivering stronger security, smoother onboarding for SSO users, and improved data consistency across combined Devise/FranceConnect accounts.

June 2025

21 Commits • 6 Features

Jun 1, 2025

June 2025 (betagouv/rdv-service-public) focused on stabilizing the Rails 7.1 upgrade, expanding test coverage, and hardening key user/appointment flows. Delivered targeted config migrations, route cleanup, and several bug fixes that reduce failure modes in scheduling and notifications, while improving permissions handling and user-field enablement. The work provides clearer data handling rules, better maintainability, and faster, more reliable feature delivery.

May 2025

9 Commits • 2 Features

May 1, 2025

May 2025 monthly summary for betagouv/rdv-service-public focusing on business value and technical outcomes. Delivered calendar UI upgrade to FullCalendar v5 with visual enhancements and reliable event handling, organization and terminology UI updates for consistency, and reliability improvements for background mail delivery with improved logging and Sentry integration. Results: clearer calendars, consistent terminology, fewer retries and better observability, contributing to higher user satisfaction and lower operational risk.

April 2025

7 Commits • 2 Features

Apr 1, 2025

April 2025 highlights for betagouv/rdv-service-public: delivered user-facing feature improvements, stabilized the codebase, and ensured future readiness with a Ruby upgrade and domain configuration alignment. The work emphasizes business value through improved user creation flows, faster admin interfaces, and stronger reliability and observability.

March 2025

30 Commits • 17 Features

Mar 1, 2025

March 2025 monthly summary for betagouv/rdv-service-public: Delivered key features, stability, and performance improvements across territory-based remark segmentation, data model cleanup, CI/UX, and auditing. Strengthened reliability with crash fixes and flaky tests, upgraded core framework, and enhanced scheduling and observability to support scalable operations and better business outcomes.

February 2025

18 Commits • 12 Features

Feb 1, 2025

February 2025 highlights for betagouv/rdv-service-public: delivered user-centric features and reliability improvements with territory-aware data modeling and admin relevance, plus enhanced observability and maintainability. Key initiatives included a new Header Account Dropdown Menu, Territory Notes annotation model, admin UI refinements for territory-based field visibility, enhanced ANTS synchronization with meeting_point_id and error handling, and organization-scoped Appointments visibility. These changes reduce user friction, strengthen data integrity across integrations, and improve admin efficiency. Additional work covered UI cleanup, partial email matching for agent search, test stabilization, and architecture/documentation updates, demonstrating strong Rails/API capabilities, data modeling, and observability practices.

January 2025

28 Commits • 15 Features

Jan 1, 2025

Monthly summary for 2025-01 - betagouv/rdv-service-public. This month focused on performance improvements, user experience refinements, security policy improvements, infrastructure upgrades, and continued hardening of business logic around RDV handling. The work delivered aligns with the product goal of faster, safer, and more compliant scheduling and appointment management workflows for public-facing RDV services.

December 2024

4 Commits • 2 Features

Dec 1, 2024

Concise monthly summary for 2024-12 focused on delivering admin-facing features, stabilizing the admin workflow, and enhancing production observability and performance for betagouv/rdv-service-public.

November 2024

16 Commits • 6 Features

Nov 1, 2024

Month: 2024-11 — betagouv/rdv-service-public Concise monthly summary focusing on business value, technical achievements, and team impact: Key features delivered - Scheduling and Appointments Enhancements: refined appointment workflow and UI, conditionally displaying the Book an Appointment option on relevant domains; simplified opening hours calendar; lightweight view to expose all appointments for colleagues; and correct address display by prioritizing the responsible person when available. This improves booking accuracy and reduces support overhead. - Outlook Integration Robustness: increased resilience to rate limits and ensured mass-delete operations continue when individual items fail or are not found, reducing job failures and operational noise. - Motifs Archiving: introduced archiving/unarchiving of motifs with safer deletion handling when linked to existing appointments, enabling non-destructive data management. - Documentation and API Clarity: updated API docs to reflect Brevo transactional emails and super-admin access controls; cleaned up unused API fields for clarity and maintainability. - DevOps, CI Reliability, and Tooling: targeted improvements to flaky tests, removed obsolete test endpoints, and modernized dev tooling with profiling support (stackprof) and updated dependencies (devise_token_auth) to stabilize CI and improve developer experience. Major bugs fixed - RDV address display: fixed the bug where the appointment showed the wrong address; now shows the address of the responsible person when available. - Outlook noise and job stability: reduced noise from Outlook rate limits; ensured unlink jobs don’t exit prematurely on unknown errors, improving reliability of batch operations. - CI/test stability: addressed flaky specs and ensured feature specs do not cancel CI routes when parallel jobs fail, leading to more reliable test outcomes. Overall impact and accomplishments - Delivered measurable improvements to user experience in appointment scheduling, leading to higher booking completion rates and decreased ambiguity for users selecting locations. - Increased system reliability and observability by hardening Outlook-related operations and reducing CI noise, contributing to faster time-to-dix with fewer incident spikes. - Enabled safer data hygiene with motifs archiving and clarified API contracts, paving the way for safer feature rollouts and easier onboarding for developers. - Strengthened engineering discipline: profiling, maintenance hygiene, and dependency upgrades, improving long-term maintainability and performance. Technologies/skills demonstrated - Ruby on Rails / backend workflow optimizations; UI/UX refinements for scheduling flows. - Resilient integrations: rate-limit handling, bulk operations fault tolerance, and robust error paths. - Data lifecycle improvements: archiving patterns and safer deletion semantics. - DevOps and CI: flaky-test diagnosis, profiling (stackprof), deprecated endpoint cleanup, and dependency modernization (devise_token_auth). - Documentation and API governance: API clarity, Brevo integration notes, and access control documentation.

Activity

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Quality Metrics

Correctness90.6%
Maintainability87.4%
Architecture84.4%
Performance84.0%
AI Usage21.2%

Skills & Technologies

Programming Languages

CSSHTMLJSONJavaScriptMarkdownN/ARSpecRubySCSSSQL

Technical Skills

API DevelopmentAPI DocumentationAPI IntegrationAPI ManagementAPI OptimizationAPI developmentAPI integrationAccessibilityActionCableActiveJobActiveRecordActiveRecord migrationAdministrateApplication DeploymentAuthentication

Repositories Contributed To

1 repo

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

betagouv/rdv-service-public

Nov 2024 May 2026
18 Months active

Languages Used

HTMLJavaScriptMarkdownRubySCSSSlimYAMLN/A

Technical Skills

API DocumentationAPI IntegrationAPI ManagementAccessibilityBackend DevelopmentCI/CD