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Ethan Kaplan

PROFILE

Ethan Kaplan

Ethan Kaplan contributed to the MeasureAuthoringTool suite by engineering robust UI and backend features that streamline measure authoring and data management. Working across repositories such as madie-measure and measure-service, he implemented feature-flag-driven UI controls, ownership and locking workflows, and FHIR-based data handling to improve collaboration and data integrity. Ethan applied React and TypeScript to refactor components for maintainability, standardized table and form behaviors, and enhanced error handling and test coverage. His work included backend enhancements in Java and Spring Boot, ensuring reliable versioning and search performance. These efforts resulted in a more stable, user-friendly, and scalable authoring platform.

Overall Statistics

Feature vs Bugs

75%Features

Repository Contributions

459Total
Bugs
42
Commits
459
Features
127
Lines of code
31,458
Activity Months17

Work History

February 2026

9 Commits • 3 Features

Feb 1, 2026

February 2026: Delivered cross-repo UI enhancements and stability improvements across the Measure authoring suite. Implemented comprehensive UI/UX enhancements and component refactors across Measure UI components (TestCase, MeasureList, Measure Details sidebar, and population criteria sidebar) to improve visual consistency, layout responsiveness, and maintainability. Standardized table header styling across madie-measure, madie-editor, and madie-cql-library, improving readability and visual polish. Fixed a critical bug to preserve metadata (id and profile) during ElementEditor submissions, reducing data-loss risk. Completed lint cleanup and minor refactors to improve code quality and consistency. Demonstrated frontend skills in CSS/JS, component architecture, and cross-repo collaboration, delivering tangible business value: faster feature iteration, more reliable UI, and improved user satisfaction.

January 2026

31 Commits • 7 Features

Jan 1, 2026

January 2026 (MeasureAuthoringTool/madie-measure) monthly summary focused on delivering business value through UI polish, scoring improvements, robust event handling, deletion integrity, and test hygiene. Consolidated across the repository to reduce risk of regressions and accelerate future delivery.

December 2025

20 Commits • 6 Features

Dec 1, 2025

December 2025 performance summary focused on delivering robust measurement authoring capabilities, strengthening data handling with FHIR, refining user experience, and expanding test coverage. Key features delivered across the MeasureAuthoringTool/madie-measure and related UI components include: (1) FHIR Definition Service: Top-Level Element Filtering for the Patient resource, with exclusions for id, modifierExtension, and extension to improve data handling and standards compliance; (2) ElementSelector UX Improvements: removal of legacy filtering logic, added disabled state based on user selections, and Apply action label updates for clarity; (3) Testing Framework Improvements: refactor of the test suite to remove deprecated elements and improve test accuracy; (4) Resource Editor/Builder UI Tests: spinner on apply, expanded ElementEditor tests, ensured proper spinner/submission behavior, and canEdit-based tab rendering; (5) Action Center JSON Match UI Enhancements: new Make JSON Match button, matching dialogs, and canEdit-based controls with updated tests. Across MeasureAuthoringTool/madie-layout, a Composite Bubble indicator was added to the PageHeader with a CSS refactor for consistent styling. Major fixes focus on stabilizing save flows, correcting disable behavior on fresh saves, and reducing test flakiness, yielding more reliable authoring and submission workflows. Technologies demonstrated include FHIR data handling, React-based UI/UX work, test automation and framework refactoring, end-to-end UI testing, and CSS/style consolidation, driving business value through higher data quality, reduced user error, and faster release cycles.

November 2025

12 Commits • 7 Features

Nov 1, 2025

November 2025 monthly summary focusing on delivering user-centric editing controls, UI/UX improvements, version comparison capabilities, sorting/filtering enhancements, and editing status visibility across MeasureAuthoringTool repos. The work enabled safer concurrent editing, improved data discovery, and provided decision-support features while reducing maintenance through refactors and documentation cleanup.

October 2025

6 Commits • 4 Features

Oct 1, 2025

October 2025: Implemented collaboration-safe UI and ownership messaging improvements across the MeasureAuthoringTool repository set, delivering clearer permissions, reduced UI clutter, and enhanced guidance for ownership transfers.

September 2025

52 Commits • 15 Features

Sep 1, 2025

Monthly Summary - 2025-09 Key features delivered: - MeasureAuthoringTool/madie-fhir-service: Removed the ENHANCED_TEXT_FORMATTING feature flag, simplifying feature surface and reducing maintenance. Commit: 19d2fd14a05dcebafe3192367baaed5abb315362 (MAT-8943). - MeasureAuthoringTool/measure-service: Made editing tests on versioned measures always enabled by removing EDIT_TESTS_ON_VERSIONED_MEASURES flag; set ravIncluded default to true on new measure creation; enhanced active measures filtering and search performance; updated Okta dev configuration. Commits span MAT-8943, MAT-9039, MAT-9091, MAT-9143. - MeasureAuthoringTool/madie-editor: Removed minimizeAlerts feature flag to disable UI alert minimization; improved test reliability in DefinitionsSection (async handling and permission-based assertions). Commits MAT-8943. - MeasureAuthoringTool/madie-cql-library: Added History functionality to CQL Library with tests and UI visibility improvements; updated alerts visibility and dependency versions for a stable environment. Commits MAT-8440, MAT-8943. - MeasureAuthoringTool/madie-measure: Substantial stability and quality work including MadieAlert and status handling cleanups, MeasureLanding stability improvements, draft check removal from tests, filter and UI accessibility enhancements, and page-change clear functionality. Key work across MAT-8943, MAT-9052, MAT-8450, MAT-6190, MAT-9175. - MeasureAuthoringTool/madie-layout: Library History UI and flag-gated visibility for History and transfer actions; improved action center visibility integration with feature flags. Commits MAT-8440. Major bugs fixed: - TestCaseService: Ensured active measures are used when retrieving measures by ID and during test case imports; improved reliability of active filtering. Commits MAT-9091. - MeasureLanding: Stabilized abort controller behavior, reduced unnecessary initial requests, and tightened loading state handling; lint/test scaffolding improvements. Commits MAT-9052. - Testcase validations: Excluded draft from checkusercanedit validations to improve test accuracy. Commit MAT-8943. - MadieAlert: Resolved status persistence and test cleanup issues; removed redundant flags from tests and tightened status save paths. Commits MAT-8943. Overall impact and accomplishments: - Delivered a broad set of feature flags removals and UX/data surface simplifications that reduce maintenance burden and shrink feature surface area across the Measure Authoring stack. - Significantly improved editing workflows, test reliability, and data correctness in measures and test cases, contributing to faster release cycles and fewer post-release defects. - Enhanced visibility and governance with UI and library history features, plus safer dev/test configurations via Okta updates and dependency stabilization. - Strengthened code quality, accessibility, and test coverage across multiple repos through consistent linting, asynchronous test handling, and UI testing improvements. Technologies and skills demonstrated: - Feature flag governance, UI/UX improvements, and backend changes (Java/Spring) with flag removals and default value changes. - Frontend/test engineering with React/TypeScript, async test handling, and test reliability improvements. - Performance optimization in measure search, data filtering; test scaffolding and lint compliance. - DevOps/configuration: Okta dev environment updates, npm dependency upgrades for stability, and cross-repo consistency in test verifications.

August 2025

36 Commits • 12 Features

Aug 1, 2025

Concise monthly summary for 2025-08 highlighting delivered features, major bug fixes, and overall impact across the MeasureAuthoringTool suite. Focused on business value, user impact, and technical excellence across multiple repos.

July 2025

8 Commits • 2 Features

Jul 1, 2025

July 2025 (MeasureAuthoringTool/madie-measure): Delivered significant UI and data integrity improvements, with targeted code quality gains across the measure authoring workflow. Focused on enhancing usability, data quality, and test coverage to speed feature delivery and reduce defects.

June 2025

19 Commits • 7 Features

Jun 1, 2025

June 2025 performance highlights include flag-driven UI improvements, cross-repo stabilization, and targeted UX enhancements across the Measure Authoring Tool suite. Delivered feature-flag controlled alert minimization, centralized toast notifications, contextual profile visibility, and UI cleanups, enabling reduced alert noise, clearer user guidance, and faster iteration. Demonstrated cross-repo collaboration (Measure, CQL library, editor, and design-system) with tests and linting improvements, reinforcing maintainability and scalability of the platform.

May 2025

16 Commits • 4 Features

May 1, 2025

In May 2025, delivered cross-repo improvements across measure-service, madie-design-system, and madie-measure, focusing on versioning lifecycle, alert UX enhancements, multi-alert support, and robust error handling. These efforts reduce risk in publishing measures, improve user feedback, and enhance test coverage, with notable releases and refactors driving business value.

April 2025

64 Commits • 16 Features

Apr 1, 2025

In April 2025, cross-repo enhancements across the MeasureAuthoringTool suite delivered UX improvements, data integrity safeguards, and security hardening that directly support faster value delivery to customers. Core focus areas included maxLength UX for inputs, design system upgrades, improved search and list state behavior, and enhanced data-tracking hooks for auditing and governance.

March 2025

55 Commits • 13 Features

Mar 1, 2025

March 2025 highlights: Delivered critical UI and workflow enhancements, strengthened data correctness, and modernized the UI with design-system upgrades across MeasureAuthoringTool repos. Key outcomes include a refined element actions center with correct icon ordering, a more reliable version display that shows only the most recent version with tests and lint cleanup, cross-repo CQL library sharing and ownership controls enabling secure collaboration, and design-system-driven UI refresh with migrations to madie-dialog components. In addition, autocomplete UX improvements for clear button visibility and clearable logic were completed. These efforts improve end-user productivity, data correctness, and system stability while expanding collaboration and maintainability across MeasureAuthoringTool projects.

February 2025

40 Commits • 6 Features

Feb 1, 2025

February 2025 performance highlights across the Measure Authoring Tool suite. Focused on delivering high-value features, removing deprecated flags, improving data integrity and UX, and strengthening test coverage to reduce risk and accelerate future delivery. Key work spanned measure authoring, editor UX, UI libraries, and layout rendering, with a strong emphasis on maintainability and business impact.

January 2025

45 Commits • 9 Features

Jan 1, 2025

January 2025 performance summary focusing on delivering value to measure authoring workflows, improving data integrity, and enhancing UI/UX consistency across MeasureAuthoringTool repos. Delivered user-facing features for test case management and editing, strengthened correctness and reliability through targeted bug fixes, and polished the design system for scalable UI consistency. The work resulted in more efficient test management, safer measure editing, and a more maintainable codebase with broader test coverage.

December 2024

20 Commits • 6 Features

Dec 1, 2024

December 2024 monthly summary focusing on delivering editor UX improvements, UI cleanups, data model enrichment for improvement notation, and enhanced test-case workflows across the MeasureAuthoringTool suite. The work emphasized business value by simplifying authoring, reducing UI noise, and improving metadata capture for improvement notation, while maintaining robust test coverage and feature-flag aware rendering.

November 2024

23 Commits • 8 Features

Nov 1, 2024

November 2024 monthly summary: Delivered cross-repo measure export capabilities, targeted UI improvements, and security hardening across the MeasureAuthoringTool suite. Key work enhanced export workflows, refined user interactions, and reduced risk from dependencies, driving faster, more reliable measure authoring and sharing workflows.

October 2024

3 Commits • 2 Features

Oct 1, 2024

2024-10 performance summary: Delivered key UI improvements across two MeasureAuthoringTool repositories, enhancing end-user interactivity and stabilizing the CQL authoring experience. In madie-layout, introduced a delete workflow in the Measure Action Center, enabling users to remove measures via a dedicated event and improving workflow efficiency. In madie-cql-library, implemented UI and layout enhancements including CSS isolation and a header-editor-row, with a temporary height adjustment to stabilize the editor layout. These efforts improve usability, reduce support issues, and establish a foundation for maintainable UI code across the toolchain.

Activity

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Quality Metrics

Correctness90.4%
Maintainability89.8%
Architecture85.0%
Performance86.8%
AI Usage20.8%

Skills & Technologies

Programming Languages

CSSHTMLJSONJSXJavaJavaScriptMarkdownN/ASCSSShell

Technical Skills

API DevelopmentAPI IntegrationAPI TestingAggregation FrameworkAsynchronous OperationsAsynchronous ProgrammingBackend DevelopmentCI/CDCSSCode CleanupCode FormattingCode RefactoringComponent DesignComponent DevelopmentComponent Extraction

Repositories Contributed To

8 repos

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

MeasureAuthoringTool/madie-measure

Nov 2024 Feb 2026
16 Months active

Languages Used

JavaScriptTypeScripttsxCSSHTMLSCSSMarkdown

Technical Skills

Dependency ManagementFront End DevelopmentJestReactSecurity PatchingTesting

MeasureAuthoringTool/madie-cql-library

Oct 2024 Feb 2026
10 Months active

Languages Used

CSSTypeScriptJavaScripttsxHTMLYAMLSCSS

Technical Skills

CSSFront End DevelopmentAPI IntegrationComponent DevelopmentFeature FlaggingFeature Flags

MeasureAuthoringTool/madie-editor

Nov 2024 Feb 2026
9 Months active

Languages Used

JavaScriptSCSSTypeScriptCSSJSON

Technical Skills

Front End DevelopmentFront-end DevelopmentReactReact Testing LibraryTestingTypeScript

MeasureAuthoringTool/madie-layout

Oct 2024 Dec 2025
10 Months active

Languages Used

JavaScriptTypeScriptSCSSCSS

Technical Skills

Front End DevelopmentReactTypeScriptComponent DevelopmentMaterial UITesting

MeasureAuthoringTool/measure-service

Dec 2024 Nov 2025
8 Months active

Languages Used

JavaYAML

Technical Skills

Backend DevelopmentJavaAPI DevelopmentAPI TestingJUnitJava Spring

MeasureAuthoringTool/madie-design-system

Jan 2025 Jun 2025
5 Months active

Languages Used

JavaScriptJSXTypeScriptN/AShellSCSS

Technical Skills

Front End DevelopmentReactDependency ManagementSecurity PatchingnpmRelease Management

MeasureAuthoringTool/cql-library-service

Mar 2025 Apr 2025
2 Months active

Languages Used

JavaTypeScript

Technical Skills

API DevelopmentBackend DevelopmentJava Spring BootTypeScriptJava

MeasureAuthoringTool/madie-fhir-service

Sep 2025 Sep 2025
1 Month active

Languages Used

Java

Technical Skills

Backend Development