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Céline Pelletier

PROFILE

Céline Pelletier

Over 14 months, contributed to the radiant-network/radiant-portal repository by designing and delivering 49 features and resolving 10 bugs, focusing on scalable biomedical data management and analytics. Developed robust RESTful APIs and enhanced backend systems using Go, SQL, and TypeScript, implementing data model upgrades, advanced search, variant interpretation, and secure workflow automation. Led database migrations, Docker-based local environments, and CI/CD improvements to streamline onboarding and deployment. Prioritized data integrity, privacy, and security through schema refactors, validation, and dependency upgrades. Collaborated across frontend and backend, aligning API contracts and documentation to support reliable research, clinical workflows, and analytics-driven decision making.

Overall Statistics

Feature vs Bugs

83%Features

Repository Contributions

129Total
Bugs
10
Commits
129
Features
49
Lines of code
72,757
Activity Months14

Your Network

21 people

Same Organization

@ssss.gouv.qc.ca
2

Shared Repositories

19

Work History

April 2026

7 Commits • 3 Features

Apr 1, 2026

April 2026 – Radiant Portal monthly summary highlighting key outcomes and business value across security, data model enhancements, and build stability. Key features delivered: - Security Dependency Upgrades: Upgraded backend dependencies to fix security vulnerabilities (CWE-426, CWE-909, CWE-665) and strengthen backend security posture. Commits include b03a08257cd4d6e2914b591a49c96ec076d403ac and cca4a1a1a3548fbe9e1ae19e1611eb56e2f18307. - Somatic Variant Data Model and API Enhancements: Expanded somatic variant data model with total/alternate/quality depth fields, switched certain fields to DecimalType for precision, removed unused interpretation field, and expanded API with a detailed somatic occurrences endpoint. Commits include a96bb093e810c7f75174c20256d5ca9bb5a7c8ee, 428fd46b982fcb804564aa0234ef01526ac6e116, 1d51568fc71db71b124d6d13acd1dfa1110980d8, and 975da3c8294272dfdbef0d1f0dcddcb5989f5bd2. - Build and Deployment Build Image Update: Dockerfiles updated to Go 1.25 to improve build consistency and compatibility. Commit: e891c88c68e536842a10170437cdedbb4fa938c6. Major bugs fixed: - Resolved security alerts and mitigations associated with dependencies via security dependency upgrades (covering CWE-426/909/665) to reduce vulnerability exposure in production. Overall impact and accomplishments: - Elevated security posture, richer and more precise somatic variant data modeling, expanded API capabilities, and more reliable build processes enabling faster and safer deployments. Demonstrated end-to-end improvements from code changes to deployment readiness. Technologies/skills demonstrated: - Go 1.25 (build Docker images), Dockerfile maintenance, data modeling with DecimalType precision, API design and endpoint enhancements, and security best practices.

March 2026

18 Commits • 5 Features

Mar 1, 2026

March 2026 performance summary for radiant-portal: Delivered core data governance and analytics readiness enhancements, with a strong emphasis on secure, scalable backend updates and developer-facing improvements. The month cemented the foundation for somatic variant analysis while strengthening data integrity, reliability, and security across the platform.

February 2026

20 Commits • 5 Features

Feb 1, 2026

February 2026 — Radiant Portal (radiant-network/radiant-portal): delivered substantial data analytics, API enhancements, validation improvements, and testing reliability improvements that directly enable faster, higher-quality insights for researchers and analysts.

January 2026

16 Commits • 6 Features

Jan 1, 2026

January 2026 performance summary for radiant-portal: Focused delivery on privacy-conscious API enhancements, expanded germline data capabilities, robust data migrations, and CI/CD improvements to reduce deployment risk. Key features delivered include a privacy-focused User Preferences API, germline enhancements with a condition name parameter and an external frequencies endpoint, a new Gene search endpoint, and flexible case creation with integration tests. Database schema and migration improvements consolidate migrations for PostgreSQL compatibility and migration hygiene, while infrastructure and CI polish improved startup reliability and CI/test workflows. Together, these efforts enable faster feature delivery, safer data handling, and stronger system reliability, delivering measurable business value in privacy, research capabilities, and deployment confidence. Technologies and skills demonstrated include REST API design, PostgreSQL migrations, data-model evolution, CI/CD automation, and test automation.

December 2025

21 Commits • 8 Features

Dec 1, 2025

Monthly summary for 2025-12 for radiant-portal focusing on delivering API and data-model enhancements, improved data lineage, and UX improvements that drive business value. Key outcomes include robust case_id propagation across endpoints, expanded case data model to support richer analytics, enhanced SNV/ germline data handling, integration of Exomiser scoring for variant prioritization, and improved search/listing UX with autocomplete and filtering. Also, updated OpenAPI generator for compatibility and stabilized table sorting for reliable reporting.

November 2025

7 Commits • 3 Features

Nov 1, 2025

In November 2025, delivered a major data-model consolidation across radiant-portal, including a Unified Data Model Upgrade for Samples and Sequencing to v2, expanded API capabilities with case_id, targeted bug fixes, and process improvements. The changes improved data integrity, case-focused data access, front-end/back-end alignment, and developer productivity through improved documentation and PR templates. Highlights below.

October 2025

9 Commits • 3 Features

Oct 1, 2025

Monthly summary for 2025-10 — radiant-network/radiant-portal Key features delivered: - Document Search Refinement: Filter out index files (.tbi, .crai) from search results and filters; tests updated to reflect cleaner results focused on primary data content. Commits: f39f84c9dbe341cf60706ecc392b518913f7fc69; 1e514f5f9c91c1919f300f072550631e5cfdbb37 - User Preferences Management: Enable retrieval and updating of user preferences, including table display configurations; routing uses UpdateUserPreferencesHandler. Commits: cf5512e906c54866f0a2af8151806426ff2a04b6; 8dc0fb4476a6910989a04e86be716df97d2e1f95 - Expanded SNV and Germline SNV Interpretation Integration: Add case_id in SNV occurrences; integrate interpretation counts from Exomiser and general interpretations; introduce interpretation_classification; address edge-case when no interpretations. Commits: fe4419b61380749ebdcf4304de09a4a8b1371ad; f7cd124e0c66e10ad6532f2172d430eb527a7172; d4e01931b96bfdfe50dcb8dc1c653527fc4ca9c6; 54836bc35489410894755a4803024ba3509dc0a2 - API Case ID Type Correction: Fix API contract by changing case_id parameter type from string to integer across API docs, backend Go handlers, and frontend TypeScript API definitions. Commit: 347b0156591829888340ed83c6ce03cdccd146d1 Major bugs fixed: - API Case ID Type Correction: Corrected case_id to integer to align API docs, backend, and frontend, preventing type mismatches and runtime errors in integrations. Overall impact and accomplishments: - Improved search relevance and content filtering, leading to faster, more accurate discovery for users. - Enhanced user experience through robust, centralized preferences management and reliable routing for user settings. - Enriched SNV interpretation data model and endpoints, enabling more informed research and clinical workflows with interpretation counts and classification. Ensured graceful handling when interpretations are absent. - Strengthened API surface with a consistent, correct case_id type, reducing integration friction and potential runtime errors. Technologies/skills demonstrated: - Backend: Go and data modeling for SNV interpretations, API contract alignment. - Frontend: TypeScript API definitions and integration readiness. - Testing: Updated tests to reflect new filtering and interpretation data paths. - Cross-team collaboration: End-to-end changes across search, preferences, SNV interpretation, and API contracts.

September 2025

2 Commits • 1 Features

Sep 1, 2025

September 2025 deliverables focused on API simplification and reliability for radiant-portal. Implemented a major Saved Filters API revamp by consolidating two endpoints into a single surface, removing user_id from the path, and introducing a DELETE-by-id endpoint. Added integration tests and updated OpenAPI documentation to reflect the new API surface. Result is a cleaner, more maintainable API that reduces confusion for consumers and lowers future maintenance costs.

August 2025

2 Commits • 2 Features

Aug 1, 2025

Month: 2025-08 — Delivered two core features in radiant-portal with a focus on naming consistency, lifecycle clarity, and downstream data quality. The Normal Germline Bioinformatics Task Type was standardized (renaming across integration tests, handler tests, and database migrations), and the Case Status Lifecycle was refactored by removing 'active' and 'on-hold' while introducing 'in_progress' and 'submitted'. Implemented targeted SQL migrations, updated tests/fixtures, and aligned UI to ensure a consistent workflow and accurate telemetry. These changes reduce ambiguity, improve reporting, and establish a cleaner foundation for future enhancements.

July 2025

10 Commits • 2 Features

Jul 1, 2025

July 2025 was anchored by two core feature streams in radiant-portal that materially improve case analysis and variant interpretation workflows. Case Analysis delivered a Unified Search API with detailed per-case counts, observed phenotypes, and an interpretation flag on occurrences, complemented by enriched Case Entity data (analysis details, classification labels, and related tasks) to streamline workflows and UI presentation. Variant Data Enrichment introduced Exomiser counts, inheritance formatting, and new data facets (frequencies, zygosity), plus a Germline Variant Conditions API to retrieve variant–associated conditions across gene panels for advanced analysis. Overall impact includes faster case triage, richer data for decision-making, and a stronger foundation for phenotype-driven analyses. No major bugs fixed this month.

June 2025

2 Commits • 2 Features

Jun 1, 2025

June 2025 monthly summary for radiant-portal: Delivered foundational data-model refactor and a dockerized local backend stack to accelerate development, testing, and onboarding. Implemented a unified repository pattern with new models for cases, documents, families, observation_coding, patients, pipelines, projects, requests, samples, and tasks, accompanied by database migration scripts and test data updates. Fixed a deterministic sort issue for locus_id in the cases model to improve query stability and reduce test flakiness. Updated integration tests and main wiring to align with the new naming conventions, ensuring maintainability and smoother CI pipelines. Established a local development environment via Docker Compose that links StarRocks, PostgreSQL, Keycloak, and the API, with clear setup instructions to boost reproducibility and speed of onboarding. These changes deliver clear business value by enabling scalable data handling, faster feature delivery, and more reliable developer workflows.

May 2025

6 Commits • 3 Features

May 1, 2025

May 2025 performance summary for radiant-portal focused on API consolidation, data-source modernization, and testable domain architecture. Delivered an API overhaul for variants and occurrences with a new variant consequences endpoint, aligned with the ETL data source, and updated endpoint naming with regenerated OpenAPI/docs. Implemented a symbol sorting fix to ensure only sortable fields influence results. Added PostgreSQL migrations for clinical tables and seeds. Restructured the repository layer to domain-specific repositories and enabled PostgreSQL federation for testing. These changes collectively improve API stability, data quality, maintainability, and test coverage across clinical and variant data workflows.

April 2025

3 Commits • 2 Features

Apr 1, 2025

April 2025 - Radiant Portal: Delivered two core feature sets that significantly enhance variant data capabilities and analytics readiness, with no major bug fixes reported in this period. Key features delivered: - Variant Overview API Enhancements: introduced a new endpoint for variant overview and added fields to the overview data (source, assembly_version, ClinVar ID) along with backend/API updates to support richer variant information. - Genetic Variant Prediction Scores Support: extended data models to include prediction scores (e.g., CADD, DANN, FATHMM) for consequences and occurrences, enabling downstream filtering and aggregation by prediction models. Commit references tied to these changes: - 02b5fbdb1813b4e864bdc83920b236ae954d3ca6: feat: SJRA-137 add variant overview endpoint (#174) - 743e05dd5405102bbdf4e16531328ec49edc2c5c: feat: SJRA-137 add source, assembly_version and clinvar_id (#178) - ae930e7af2b62d3e82225a8bbe4d39eefd0f14fe: feat: SJRA-123 add predictions in facets (#179) Overall impact and business value: - Richer variant data surface enables faster interpretation and more precise research/clinical workflows. - Improved filtering and analytics capabilities support model-driven decision making and more efficient data discovery. Technologies/skills demonstrated: - API design and versioning, backend/API integration, data model expansion, and alignment with SJRA work items.

March 2025

6 Commits • 4 Features

Mar 1, 2025

March 2025: Delivered core data-management and search capabilities across radiant-portal and portal UI, enabling scalable user data sets, advanced biomedical term search, and analytics-ready data retrieval. Implementations include a new UserSet API with database migrations, MONDO/HPO autocomplete endpoints with dynamic search and UI-friendly results, and an Occurrence Statistics API for min/max analytics. A tooling improvement update tightened commit hygiene with stricter commitlint rules. No major customer-facing bugs fixed this month; focus was on feature delivery and developer experience.

Activity

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Quality Metrics

Correctness94.2%
Maintainability87.0%
Architecture87.6%
Performance85.8%
AI Usage26.6%

Skills & Technologies

Programming Languages

BashDockerfileGoJSONJavaScriptMarkdownPythonSQLTypeScriptYAML

Technical Skills

API DesignAPI DevelopmentAPI DocumentationAPI IntegrationAPI TestingAPI designAPI developmentBackend DevelopmentConfiguration ManagementContainerizationContinuous IntegrationCypressData MigrationData ModelingDatabase Design

Repositories Contributed To

2 repos

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

radiant-network/radiant-portal

Mar 2025 Apr 2026
14 Months active

Languages Used

GoSQLTypeScriptBashDockerfileYAMLMarkdownJSON

Technical Skills

API DevelopmentBackend DevelopmentDatabase IntegrationDatabase InteractionDatabase ManagementDatabase Query Optimization

include-dcc/include-portal-ui

Mar 2025 Mar 2025
1 Month active

Languages Used

JavaScript

Technical Skills

Configuration ManagementLinting