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Luc-Frédéric Langis

PROFILE

Luc-frédéric Langis

Over a 14-month period, contributed to the radiant-network/radiant-portal repository by building and refining complex data exploration and case management features for genomic research workflows. Developed advanced React and TypeScript interfaces, including scalable data tables, query builders, and visualization components, with a focus on internationalization and accessibility. Enhanced user experience through persistent UI state, robust filtering, and real-time data presentation, while maintaining code quality via Storybook-driven development and CI/CD practices. Addressed security and dependency hygiene, improved localization in multiple languages, and integrated design system updates. Demonstrated expertise in frontend development, state management, and API integration to support reliable, maintainable releases.

Overall Statistics

Feature vs Bugs

51%Features

Repository Contributions

342Total
Bugs
104
Commits
342
Features
110
Lines of code
355,090
Activity Months14

Your Network

21 people

Same Organization

@ssss.gouv.qc.ca
2

Shared Repositories

19

Work History

April 2026

14 Commits • 4 Features

Apr 1, 2026

April 2026 monthly summary for radiant-portal: Focused on security hygiene, UI/UX refinements, and translation accuracy to deliver tangible business value. Delivered improved ClinVar rendering, expanded button component capabilities, enhanced data and variant tables, and robust file-filter interactions, while addressing security vulnerabilities and dependency hygiene.

March 2026

12 Commits • 7 Features

Mar 1, 2026

March 2026 focused on delivering scalable query workflows, enhanced data discovery, and a polished UX across radiant-portal. The work emphasized performance, stability, and localization to enable faster decision-making, precise search, and richer context around genomic data. Key outcomes span advanced query management, persistent UI state, nuanced data search, and targeted UI polish, all backed by targeted tests and clear commit activity.

February 2026

13 Commits • 2 Features

Feb 1, 2026

February 2026 — Delivered the foundation and polish for Query Builder V3 in radiant-portal, along with Storybook/MSW improvements and targeted UI/UX enhancements. Key outcomes include a core V3 UX scaffold with beta panel integration and multilingual readiness, improved data-table loading UX, and robust Storybook GitHub Pages support. These efforts reduce time-to-value for new search features, improve QA/preview reliability, and support international users.

January 2026

21 Commits • 8 Features

Jan 1, 2026

Month: 2026-01 — radiant-network/radiant-portal Key features delivered: - Slider: Core improvements, rename header to slider, and interpretation read-only mode (commits: 7911ade3985ca2376426667f040ba455a49df0b8; dfff64eed637bb50905cdf8dd7b3a5576c56e1ee; 35a85cf894c2b9ab1242fbbc1674acb181b6f079; ef6c2c1405b264578e571728669f8208862b7d6b). - Occurrence interpretation slider enhancement: update list and slider when interpretation changes (commit: dd74f7be1cdf4c2231906de855d517d103426f6c). - Table: Added user preferences for table (commit: 51050e1ce456e06964fad5d3b251737cc02f85a8). - Table: Add new stories (SJRA-1045) (commit: 1f6f2d409de7e21f2b09ee89d5727ef689fb2f2c). - Table: Update color and adjust Stories (SJRA-1127) (commit: 2a0b800697bf2edaeb1552f96a3ae3cfc7dd7f6d). - Query Builder Beta Page (commit: 09a56a4f4c095e1cc68193c8e00a010459b6e2d6). - Stories Table - Edit Row (commit: 093d07db3a9e49f94413fd412b1cac0c49936fa5). - Variant - Remove Patient Expand (commit: a70b202caf0e89025e7f74c5a4adb16626f2421f). Major bugs fixed: - Variant: Fix URL handling and empty state (commit: 3acbd0845ba2c24e2cb7ecafa6cf78431a724c2e). - Slider: Fix missing relationship to proband (commit: 80bdc4d29fcaef969c7c8561094b4a1e970da954). - Slider: Fix slider interpretation card (commit: d022ddd20e7af4f6f4d8525abae1d17168d0501c). - Slider: Fix related issues across SJRA-1120/SJRA-1119/SJRA-1118 (commits: 57807458b1fddad4af064532c5fa642b6b36ff92; 9f6eb4484d71d041263d3a2bc58a6800d4eaf2e4). - PubMed: No underline on hover (commit: 8c859fdbd11832e902f4d258eb9f2810e8fe347b). - Table: Fix column order loading and add column sizing (commit: e3d9eeecc44bfea4a12d5ece0e8b753265d8d75a). - Table: SWR Cache Fix (commit: 02bb9f8b3d64e93fcefe3eb4b43ff86daed7efed). - Overlapping Gene: Remove pinning of all columns (commit: 60eda917e56f698e625221661339b6342d4c2f98). Overall impact and accomplishments: - Accelerated data interpretation workflows with robust slider and interpretation features, improving decision support for researchers and clinicians. - Strengthened data presentation and reliability in the table and variant views, enabling faster, more accurate data exploration. - Delivered measurable UX improvements and ready-to-test beta capabilities for further experimentation and feedback. Technologies/skills demonstrated: - Frontend React-based UI work, state management, and component integration. - URL construction, relationship linking, and data-binding for complex components. - Advanced table interactions: pinning, header groups, column sizing, and SWR cache handling. - Data interpretation logic, read-only modes, and UI polish (hover states, color theming). - Quality focus: multiple bug fixes and new stories to improve maintainability and scalability.

December 2025

16 Commits • 5 Features

Dec 1, 2025

December 2025 — Radiant Portal: Brief monthly summary focused on delivering business value, improving reliability, and strengthening the codebase. Key features delivered: - Case Management Preview UI: added a new preview sheet, improved navigation, tagging, family relationships, and empty states; includes a Storybook note to clarify limitations. - CNV Data Presentation Improvements: show gene lengths in kilobases and enhance overlapping data presentation for clearer interpretation. - Data Table UI Enhancements: introduced a new column-type enum to support transparent pinned columns and updated CSS class application; added SNV consequence sorting improvements. Major bugs fixed: - Query Builder: fixed the context/state handling bug when editing a query pill, reducing loss of context during edits and improving saved-filter accuracy. - Stabilization details: sanitation of SQON content to improve saved-filter comparisons and multiselect collapse behavior for reliable user interactions. Overall impact and accomplishments: - Improved user workflow efficiency in case planning and CNV analysis via clearer data visuals and more reliable query filters. - Reduced risk around saved searches and data navigation due to reliability enhancements and codebase refactorings. - Strengthened product foundations with a project restructuring and documentation upgrade to align with a modern design system. Technologies and skills demonstrated: - React/TypeScript UI development, data presentation logic, and UI/UX polishing. - Data integrity practices (SQON sanitization) and robust saved-filter behavior. - Design system integration and ADR/documentation improvements for scalable collaboration.

October 2025

17 Commits • 4 Features

Oct 1, 2025

October 2025 (radiant-portal): Delivered a set of frontend enhancements focusing on internationalization, data browsing UX, visualization, and UI consistency. Key outcomes include a comprehensive i18n overhaul with translations for filters and the CNV module, enabling multilingual usage and standardized translation paths. Occurrence viewing was enhanced with a new preview and an IGV dialog, plus a fix for a missing icon. Variant data browsing was unified for SNV/CNV handling, added an overlapping genes modal, sorting improvements, tooltips, and improved dialog sizing. UI sizing and styling were improved with new input size variants and Tailwind-aligned spacing for consistent design. These updates improve global accessibility, accelerate genomic data exploration, and reduce UI friction, supporting faster decision making and higher user satisfaction.

September 2025

47 Commits • 9 Features

Sep 1, 2025

September 2025 performance summary for radiant-portal: delivered stability improvements, UX enhancements, and data presentation refinements that accelerate end-user workflows and improve data discoverability. The work spans Storybook/MSW stability, facet redesign, table and file-page enhancements, and API/tech debt improvements, underpinning reliable, user-friendly data exploration and faster delivery cycles across SJRA work items.

August 2025

44 Commits • 17 Features

Aug 1, 2025

August 2025 monthly summary for radiant-portal: Delivered foundational UI components, workflow enhancements, and a suite of UX improvements that collectively accelerate feature delivery, improve consistency, and reduce support overhead. The work focused on enabling UI customization, improving development ergonomics, expanding case-management capabilities, and tightening quality controls.

July 2025

67 Commits • 22 Features

Jul 1, 2025

July 2025 monthly summary for radiant-portal (2025-07). Delivered a series of user-focused features for data exploration and variant analysis, fixed critical UX and stability issues, and strengthened the foundation for future iterations through UI rework and component reuse. This period emphasised business value in data visibility, faster insight, and more robust filters and variant navigation across the portal.

June 2025

16 Commits • 4 Features

Jun 1, 2025

June 2025 performance summary: Delivered a modernized frontend stack and a set of user-facing features that improve data exploration, reliability, and cross-view collaboration, while bolstering developer productivity through tooling and documentation. Key features include the Case Exploration UI with localized dates and enhanced filtering, a Health Monitoring UI, frontend modernization with a React 19 and Tailwind 4 upgrade, and a new command-driven UI component. Also added cross-view sharing of saved sets across include-portal-ui, enabling shareable links and query-parameter-enabled sharing for data exploration workflows. These efforts deliver faster time-to-insight, improved localization, consistent UI across dashboards, and a stronger developer experience.

May 2025

33 Commits • 12 Features

May 1, 2025

May 2025 performance summary: Delivered a broad set of UX improvements, state persistence, and stability fixes across radiant-portal and include-portal-ui, enabling faster, more reliable data interactions and a cohesive user experience across dashboards. Notable outcomes include persistent table state (localStorage), improved table UX and interactions, filter and header/theme polish, and chart/legend enhancements. Fixed critical bugs in sorting, resize loading, local storage handling, and navigation, reducing support escalations and enabling smoother release cycles. Demonstrated skills in React/TypeScript, localStorage persistence, cookie-based theming, chart customization, and observability.

April 2025

19 Commits • 8 Features

Apr 1, 2025

April 2025 — Delivered a set of user-facing features, stability fixes, and localization improvements across include-portal-ui and radiant-portal, emphasizing business value, data visibility, and global usability. Key outcomes include a persistent, environment-configurable banner to broadcast critical messages; a PNG export option for Venn charts with localization support; a landing page language selector controlled by a feature flag plus broader internationalization coverage; major data-table enhancements for pinning, fullscreen view, and richer cells; and consistent release hygiene with minor version bumps and dependency updates. Critical bugs were resolved to improve reliability and user experience, including corrected Ensembl links in variant summaries, improved transcriptomic label readability, landing page styling fixes, robust loading states for age-based participant data, and stability fixes for column hiding and query tool tooltips.

March 2025

15 Commits • 6 Features

Mar 1, 2025

March 2025 focused on expanding data table scalability, enriching variant/study views, and broadening accessibility. Delivered server-side pagination with multi-column sorting and loading states, expanded variant table capabilities, Germline Variant Preview, stable Venn visualization, a new participants age graph, and localization improvements (Spanish), plus UI readability enhancements across studies.

February 2025

8 Commits • 2 Features

Feb 1, 2025

February 2025 Monthly Performance Summary: Delivered UI and data-layer improvements across include-portal-ui and radiant-portal to boost data exploration capabilities, ensure policy transparency, and improve maintainability. Key outcomes include user-facing visualization enhancements, accurate data access display, and a major data table refactor that enables scalable presentation and interaction patterns across repositories. Routine dependency maintenance completed to strengthen health and security, reducing technical debt and upgrade risks.

Activity

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Quality Metrics

Correctness88.6%
Maintainability87.6%
Architecture83.0%
Performance84.2%
AI Usage23.6%

Skills & Technologies

Programming Languages

CJSCSSGoHTMLJSONJavaScriptMarkdownSVGShellTypeScript

Technical Skills

API IntegrationAPI developmentAPI integrationAPI mockingAnt DesignApplication IntegrationAsset ManagementBackend DevelopmentBug FixBug FixingCI/CDCLI ScriptingCSSCSS ModulesCSS styling

Repositories Contributed To

2 repos

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

radiant-network/radiant-portal

Feb 2025 Apr 2026
14 Months active

Languages Used

CSSJavaScriptMarkdownTypeScripttsxHTMLSVGCJS

Technical Skills

Codebase OrganizationComponent ArchitectureComponent RefactoringFrontend DevelopmentNaming ConventionsReact

include-dcc/include-portal-ui

Feb 2025 Jun 2025
5 Months active

Languages Used

CSSJSONJavaScriptShellTypeScriptHTML

Technical Skills

Code MaintenanceData VisualizationDependency ManagementFront End DevelopmentFront-end DevelopmentFrontend Development