Captis

Back End Β· Front End
JIRAReactNestJSTypeScriptJavaScriptMobXFigma
Contributed to the design and development of a regulatory document management platform used by life-sciences organizations to author, review, and maintain compliance-critical scientific documentation. The system supports collaborative authoring, structured review workflows, rich versioning, and auditability, with a strong emphasis on data integrity and usability in regulated environments.
Key Contributions
Rich Text Editing & Collaboration
- Extended TipTap/ProseMirror with custom editor capabilities for tables, images, citations, bookmarks, and domain-specific objects.
- Implemented complex table operations, multi-selection formatting, footnotes, and robust copy/paste handling.
- Built offline editing with conflict resolution, cross-tab synchronization, and session-based document locking.
Versioning, Review & Auditability
- Designed section-level document versioning with visual diff (redlining) for text, images, and tables.
- Implemented structured review workflows, including scoring and review status tracking.
- Ensured reliable audit trails across long-lived, multi-user documents.
Commenting & Collaboration
- Built a full inline commenting system supporting text, images, tables, and cross-references.
- Implemented multi-comment handling, aggregation, positioning logic, and resilient behavior across edits and versions.
Citations, References & Literature Integration
- Integrated scholarly search and citation workflows with result limiting, normalization, and reference navigation.
- Implemented journal name normalization, citation reuse, and bookmark-based discovery.
Document Export & Formatting
- Developed robust export pipelines for Word, Excel, and PDF, handling complex layouts, nested structures, and regulatory formatting constraints.
- Implemented text sanitization, typography normalization, and conditional headers/footers.
Backend Services & Data Processing
- Built and maintained backend services for ingesting and normalizing external scientific metadata.
- Implemented schema versioning, incremental updates, deduplication, and resilient parsing of complex source data.
- Improved search accuracy through fuzzy matching, similarity scoring, and multi-stage fallback strategies.
Platform Reliability & Maintainability
- Introduced reusable patterns for async state handling and race-condition-safe updates.
- Improved role-based access control, export tooling, and dashboard UX.
- Focused on long-term maintainability, predictable behavior, and integration safety.
Impact
- Enabled regulatory teams to collaboratively manage complex, compliance-critical documentation with reliable versioning and review workflows.
- Improved accuracy, traceability, and usability of scientific and regulatory content.
- Reduced friction in literature ingestion, citation management, and document export processes.
- Delivered a stable, auditable platform suitable for institutional and regulatory use.