zooniverse/front-end-monorepo
Dec 2024 – Apr 2026
17 Months active
Languages Used
JavaScriptCSSTypeScriptMarkdownYAMLJSXReactJSON
Technical Skills
API IntegrationFront End DevelopmentReactReact HooksFront-end DevelopmentJavaScript
Mark Bouslog
PROFILE
Mark Bouslog
Worked extensively on the zooniverse/front-end-monorepo, delivering a wide range of user-facing features and infrastructure improvements across 17 months. Built and refined interactive geospatial visualization tools using React, JavaScript, and OpenLayers, enabling advanced annotation workflows and GeoJSON data handling. Enhanced UI/UX through component architecture, accessibility improvements, and robust state management, while integrating internationalization and testing with tools like Jest and Storybook. Addressed performance and reliability by optimizing API integration, refactoring core components, and standardizing CI/CD pipelines. The work emphasized maintainability and scalability, supporting collaborative features such as discussions, tagging, and subject collections to drive engagement and data quality.
Overall Statistics
Feature vs Bugs
86%Features
Repository Contributions
76Total
Bugs
7
Commits
76
Features
42
Lines of code
253,980
Activity Months17
Your Network
5 peopleWork History
April 2026
5 Commits • 1 Features
Apr 1, 2026April 2026: GeoMapViewer UX overhaul and measurement tooling shipped in zooniverse/front-end-monorepo, delivering a cohesive, researcher-friendly mapping workflow and robust UI interactions.
5 Commits • 1 Features
Apr 1, 2026April 2026: GeoMapViewer UX overhaul and measurement tooling shipped in zooniverse/front-end-monorepo, delivering a cohesive, researcher-friendly mapping workflow and robust UI interactions.
April 2026
March 2026
5 Commits • 3 Features
Mar 1, 2026March 2026 (2026-03) delivered significant geo-visualization and data-preview enhancements in zooniverse/front-end-monorepo, focusing on map usability, GeoJSON data handling, and UX refinements. Key features delivered include new GeoMapViewer capabilities, robust data preview for GeoJSON, and UX improvements around uncertainty handling and interactions. The work is aligned with business goals of faster, more accurate geospatial classification, clearer data inspection, and higher UI reliability across map-based tasks.
March 2026
5 Commits • 3 Features
Mar 1, 2026March 2026 (2026-03) delivered significant geo-visualization and data-preview enhancements in zooniverse/front-end-monorepo, focusing on map usability, GeoJSON data handling, and UX refinements. Key features delivered include new GeoMapViewer capabilities, robust data preview for GeoJSON, and UX improvements around uncertainty handling and interactions. The work is aligned with business goals of faster, more accurate geospatial classification, clearer data inspection, and higher UI reliability across map-based tasks.
February 2026
6 Commits • 1 Features
Feb 1, 2026February 2026 — Delivered major frontend improvements in zooniverse/front-end-monorepo, with a focus on map-based annotation reliability and image viewer robustness. Implemented GeoMapViewer uncertainty circle enhancements and interactive controls (including radius slider, dynamic max radius based on map extent, move-to-click, recenter/reset, and GeoJSON support) along with extensive tests and Storybook stories. Strengthened image viewing stability by addressing potential null references and improving state management and pointer interactions in SingleImageCanvas and LineControls. These changes improve annotation accuracy, reduce user friction, and enhance maintainability across the front-end stack.
6 Commits • 1 Features
Feb 1, 2026February 2026 — Delivered major frontend improvements in zooniverse/front-end-monorepo, with a focus on map-based annotation reliability and image viewer robustness. Implemented GeoMapViewer uncertainty circle enhancements and interactive controls (including radius slider, dynamic max radius based on map extent, move-to-click, recenter/reset, and GeoJSON support) along with extensive tests and Storybook stories. Strengthened image viewing stability by addressing potential null references and improving state management and pointer interactions in SingleImageCanvas and LineControls. These changes improve annotation accuracy, reduce user friction, and enhance maintainability across the front-end stack.
February 2026
January 2026
6 Commits • 3 Features
Jan 1, 2026January 2026 monthly summary for zooniverse/front-end-monorepo: Implemented major geospatial features, improved annotation capabilities, and enhanced survey UX to drive higher data quality and user engagement. Delivered GeoMapViewer enhancements with GeoJSON support, initial fit to GeoJSON features, recenter and reset controls, plus comprehensive tests and stories; launched GeoDrawing Tool for points, lines, and polygons with corresponding tasks, annotations, and container architecture; refined survey task image display to prevent cropping using StyledMediaContainer. ADR-64 established for GeoDrawing Task to guide future evolution. All deliverables were built in the front-end monorepo with strong test coverage and documentation. Business value: improved data fidelity, reduced user friction, and accelerated feature delivery.
January 2026
6 Commits • 3 Features
Jan 1, 2026January 2026 monthly summary for zooniverse/front-end-monorepo: Implemented major geospatial features, improved annotation capabilities, and enhanced survey UX to drive higher data quality and user engagement. Delivered GeoMapViewer enhancements with GeoJSON support, initial fit to GeoJSON features, recenter and reset controls, plus comprehensive tests and stories; launched GeoDrawing Tool for points, lines, and polygons with corresponding tasks, annotations, and container architecture; refined survey task image display to prevent cropping using StyledMediaContainer. ADR-64 established for GeoDrawing Task to guide future evolution. All deliverables were built in the front-end monorepo with strong test coverage and documentation. Business value: improved data fidelity, reduced user friction, and accelerated feature delivery.
December 2025
6 Commits • 3 Features
Dec 1, 2025December 2025: Delivered core geospatial visualization capabilities and important UX refinements while reducing layout complexity. The GeoMapViewer with OpenLayers and GeoJSON support, plus the GeoMapLayout, enhances data interpretation and workflow efficiency. AncillaryDatum UI improvements, along with workflow layout simplification, reduce maintenance burden and set the stage for scalable, stable features.
6 Commits • 3 Features
Dec 1, 2025December 2025: Delivered core geospatial visualization capabilities and important UX refinements while reducing layout complexity. The GeoMapViewer with OpenLayers and GeoJSON support, plus the GeoMapLayout, enhances data interpretation and workflow efficiency. AncillaryDatum UI improvements, along with workflow layout simplification, reduce maintenance burden and set the stage for scalable, stable features.
December 2025
November 2025
5 Commits • 3 Features
Nov 1, 2025November 2025 performance snapshot for zooniverse/front-end-monorepo focused on delivering collaboration enhancements, cleaning up tagging, and enabling smoother development workflows. The month balanced user-facing features with dev tooling improvements to drive both user value and engineering velocity, with measurable impact on participation, tag quality, and parallel development readiness.
November 2025
5 Commits • 3 Features
Nov 1, 2025November 2025 performance snapshot for zooniverse/front-end-monorepo focused on delivering collaboration enhancements, cleaning up tagging, and enabling smoother development workflows. The month balanced user-facing features with dev tooling improvements to drive both user value and engineering velocity, with measurable impact on participation, tag quality, and parallel development readiness.
October 2025
6 Commits • 5 Features
Oct 1, 2025October 2025 (2025-10): Implemented major Talk enhancements in zooniverse/front-end-monorepo to boost collaboration and subject curation, including SubjectMetadata UI with preferences and translations, SearchBar for SubjectTalkPage, AddTagModal/TagList, StartDiscussionModal, and AncillaryData for media attachments. Delivered with tests, hooks refactors, and responsive UI to enable faster discussions, better metadata management, and richer subject context.
6 Commits • 5 Features
Oct 1, 2025October 2025 (2025-10): Implemented major Talk enhancements in zooniverse/front-end-monorepo to boost collaboration and subject curation, including SubjectMetadata UI with preferences and translations, SearchBar for SubjectTalkPage, AddTagModal/TagList, StartDiscussionModal, and AncillaryData for media attachments. Delivered with tests, hooks refactors, and responsive UI to enable faster discussions, better metadata management, and richer subject context.
October 2025
September 2025
4 Commits • 3 Features
Sep 1, 2025In September 2025, delivered three core features in zooniverse/front-end-monorepo that strengthen subject collaboration, curation, and UX consistency. Implemented the Talk Discussion System for Subjects with discussions and comments, a unified Subject Interaction Toolbar (MetaTools) for core actions, and a Tagging System for subjects (adding/voting/managing tags with associated UI and hooks). Refactors and hooks were introduced to support scalable, reusable UI and data-fetch patterns across the project. No major bugs fixed were reported for this month based on the available activity. These changes collectively improve collaboration, subject discovery, and data quality, setting the foundation for future analytics and workflow optimizations.
September 2025
4 Commits • 3 Features
Sep 1, 2025In September 2025, delivered three core features in zooniverse/front-end-monorepo that strengthen subject collaboration, curation, and UX consistency. Implemented the Talk Discussion System for Subjects with discussions and comments, a unified Subject Interaction Toolbar (MetaTools) for core actions, and a Tagging System for subjects (adding/voting/managing tags with associated UI and hooks). Refactors and hooks were introduced to support scalable, reusable UI and data-fetch patterns across the project. No major bugs fixed were reported for this month based on the available activity. These changes collectively improve collaboration, subject discovery, and data quality, setting the foundation for future analytics and workflow optimizations.
August 2025
2 Commits • 2 Features
Aug 1, 2025August 2025: Delivered two key user-facing features in zooniverse/front-end-monorepo that enhance subject organization and project-level discussions, while consolidating UI components for maintainability. The work emphasizes business value through improved engagement and collaboration, and demonstrates strong React component design within a monorepo workflow.
2 Commits • 2 Features
Aug 1, 2025August 2025: Delivered two key user-facing features in zooniverse/front-end-monorepo that enhance subject organization and project-level discussions, while consolidating UI components for maintainability. The work emphasizes business value through improved engagement and collaboration, and demonstrates strong React component design within a monorepo workflow.
August 2025
July 2025
7 Commits • 3 Features
Jul 1, 2025July 2025 monthly summary for zooniverse/front-end-monorepo: Key UI component refactors and new interaction features delivered to improve usability, accessibility, and testing reliability. Delivered three focused areas: Media Video Component Refactor and Testing Improvements; Icon Button Suite with accessibility enhancements; Favorites and User Collections integration on SubjectTalkPage. Business impact includes more consistent UI across components, easier testing and maintenance, faster feature delivery, and increased user engagement through favorites and collections.
July 2025
7 Commits • 3 Features
Jul 1, 2025July 2025 monthly summary for zooniverse/front-end-monorepo: Key UI component refactors and new interaction features delivered to improve usability, accessibility, and testing reliability. Delivered three focused areas: Media Video Component Refactor and Testing Improvements; Icon Button Suite with accessibility enhancements; Favorites and User Collections integration on SubjectTalkPage. Business impact includes more consistent UI across components, easier testing and maintenance, faster feature delivery, and increased user engagement through favorites and collections.
June 2025
3 Commits • 1 Features
Jun 1, 2025June 2025 monthly summary for zooniverse/front-end-monorepo: foundational work for Subject Level Talk page delivered with routing, layout, and testing scaffolding; introduced SubjectTalkViewer and supporting data-fetching/helpers for subject data and translations; improved translation reliability for survey task labels. Focused on building a scalable foundation for subject discussions and localization quality to reduce user friction and improve engagement.
3 Commits • 1 Features
Jun 1, 2025June 2025 monthly summary for zooniverse/front-end-monorepo: foundational work for Subject Level Talk page delivered with routing, layout, and testing scaffolding; introduced SubjectTalkViewer and supporting data-fetching/helpers for subject data and translations; improved translation reliability for survey task labels. Focused on building a scalable foundation for subject discussions and localization quality to reduce user friction and improve engagement.
June 2025
May 2025
5 Commits • 4 Features
May 1, 2025May 2025 monthly summary for zooniverse/front-end-monorepo: Focused on user experience improvements for annotation workflows, visual polish for project UI, and more complete historical data views. Centralized state management for task-disabled behavior to improve reliability. Delivered performance-conscious UI changes with clear business value across core front-end components.
May 2025
5 Commits • 4 Features
May 1, 2025May 2025 monthly summary for zooniverse/front-end-monorepo: Focused on user experience improvements for annotation workflows, visual polish for project UI, and more complete historical data views. Centralized state management for task-disabled behavior to improve reliability. Delivered performance-conscious UI changes with clear business value across core front-end components.
April 2025
7 Commits • 4 Features
Apr 1, 2025April 2025 performance highlights for zooniverse/front-end-monorepo: focused on usability, accessibility, and reliability improvements across the UI. Key features delivered include a guided zoom overlay in SingleImageViewer, a Web Worker-based ExportStats export with UI feedback, scroll-snap and accessibility improvements for horizontal lists, and a ProjectCard state overlay to clearly indicate paused/finished statuses. Major bugs fixed include the VisXZoom onFirstScroll/hasScrolledRef logic to prevent unintended scroll triggers during zoom hotkeys and a drag behavior fix for interactive modal elements. These changes improve user experience for scientists, reduce support issues, accelerate long-running exports, and reinforce accessibility and stability across the app.
7 Commits • 4 Features
Apr 1, 2025April 2025 performance highlights for zooniverse/front-end-monorepo: focused on usability, accessibility, and reliability improvements across the UI. Key features delivered include a guided zoom overlay in SingleImageViewer, a Web Worker-based ExportStats export with UI feedback, scroll-snap and accessibility improvements for horizontal lists, and a ProjectCard state overlay to clearly indicate paused/finished statuses. Major bugs fixed include the VisXZoom onFirstScroll/hasScrolledRef logic to prevent unintended scroll triggers during zoom hotkeys and a drag behavior fix for interactive modal elements. These changes improve user experience for scientists, reduce support issues, accelerate long-running exports, and reinforce accessibility and stability across the app.
April 2025
March 2025
5 Commits • 3 Features
Mar 1, 2025March 2025 monthly summary for zooniverse/front-end-monorepo focused on delivering user-facing enhancements, enabling broader data access, and standardizing CI/CD to improve reliability and velocity. The month delivered tangible business value: a richer image viewing experience, easier access to public data for sign-in/out flows, and a consistent build environment across workflows.
March 2025
5 Commits • 3 Features
Mar 1, 2025March 2025 monthly summary for zooniverse/front-end-monorepo focused on delivering user-facing enhancements, enabling broader data access, and standardizing CI/CD to improve reliability and velocity. The month delivered tangible business value: a richer image viewing experience, easier access to public data for sign-in/out flows, and a consistent build environment across workflows.
February 2025
1 Commits • 1 Features
Feb 1, 2025February 2025 monthly summary for zooniverse/front-end-monorepo focusing on Survey Task Interface UX improvements. The month centered on delivering a UX-centric refactor of the survey task interface to standardize styling, improve maintainability, and enhance user experience across devices. This work lays the groundwork for faster feature iterations and reduces UI inconsistency.
1 Commits • 1 Features
Feb 1, 2025February 2025 monthly summary for zooniverse/front-end-monorepo focusing on Survey Task Interface UX improvements. The month centered on delivering a UX-centric refactor of the survey task interface to standardize styling, improve maintainability, and enhance user experience across devices. This work lays the groundwork for faster feature iterations and reduces UI inconsistency.
February 2025
January 2025
1 Commits • 1 Features
Jan 1, 2025January 2025 (2025-01) monthly summary for zooniverse front-end monorepo focused on the Survey Task Characteristic Value image optional feature.
January 2025
1 Commits • 1 Features
Jan 1, 2025January 2025 (2025-01) monthly summary for zooniverse front-end monorepo focused on the Survey Task Characteristic Value image optional feature.
December 2024
2 Commits • 1 Features
Dec 1, 2024December 2024 performance highlights for zooniverse/front-end-monorepo: Delivered two high-value frontend improvements that enhance reliability, performance, and UI stability. The User Creation Date Fetching Optimization reduces latency by eliminating an unnecessary server host lookup, and the Survey Task FilterStatus Image Source Rendering Fix ensures images render reliably in the filtering UI. These changes demonstrate strong skills in refactoring, API integration, and UI data handling, delivering clear business value through faster user insights and a more stable user experience.
2 Commits • 1 Features
Dec 1, 2024December 2024 performance highlights for zooniverse/front-end-monorepo: Delivered two high-value frontend improvements that enhance reliability, performance, and UI stability. The User Creation Date Fetching Optimization reduces latency by eliminating an unnecessary server host lookup, and the Survey Task FilterStatus Image Source Rendering Fix ensures images render reliably in the filtering UI. These changes demonstrate strong skills in refactoring, API integration, and UI data handling, delivering clear business value through faster user insights and a more stable user experience.
December 2024
Activity
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Quality Metrics
Correctness88.2%
Maintainability86.2%
Architecture85.2%
Performance83.4%
AI Usage26.6%
Skills & Technologies
Programming Languages
CSSHTMLJSONJSXJavaScriptMarkdownReactTypeScriptYAML
Technical Skills
API IntegrationAccessibilityCI/CDCSSCSS-in-JSCode RefactoringComponent ArchitectureComponent DesignComponent DevelopmentComponent LibraryComponent RefactoringDocumentationFront End DevelopmentFront-end DevelopmentFull Stack Development
Repositories Contributed To
Overview of all repositories you've contributed to across your timeline