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Edwin Tan

PROFILE

Edwin Tan

Over the past year, N119494@icf.com engineered robust features and enhancements across the MeasureAuthoringTool suite, focusing on data integrity, user experience, and secure collaboration. In repositories like madie-measure and measure-service, they developed reusable React components for FHIR data types, improved audit logging, and streamlined measure sharing workflows. Their work leveraged TypeScript, Java, and Spring Boot, integrating Formik for form management and enhancing accessibility. By refactoring APIs, strengthening validation, and expanding test coverage, they addressed complex requirements in measure authoring and governance. The depth of their contributions is reflected in improved reliability, maintainability, and compliance throughout the platform’s evolving architecture.

Overall Statistics

Feature vs Bugs

78%Features

Repository Contributions

245Total
Bugs
23
Commits
245
Features
82
Lines of code
28,117
Activity Months12

Work History

October 2025

9 Commits • 5 Features

Oct 1, 2025

October 2025 monthly summary for MeasureAuthoringTool projects. Delivered new reusable data components, enhanced history and audit capabilities, and strengthened test coverage across madie-measure and measure-service. The work improves data integrity, traceability, and developer velocity, enabling safer edits to measure data and more reliable export/history workflows.

September 2025

26 Commits • 6 Features

Sep 1, 2025

Month: 2025-09 Concise monthly summary focusing on business value and technical achievements across the MeasureAuthoringTool suite. Key features delivered: - madie-fhir-service: Resource packaging and data model enhancements for value sets and EventTiming. Updated value sets validation bundle with multiple canonical references for CommunicationTopic, added contains elements to EventTiming XML, and packaging updates to improve data validation and timing configuration. - madie-measure: Money handling enhancements with a reusable MoneyComponent, currency input integration with Formik, and updated FHIR utilities to recognize money datatype. - Test case builder and UI improvements: Timing reusable component, DeleteDisabledIcon, warnings for missing/irrelevant data elements, support for empty arrays, and overall test stability improvements. - Share/unshare enhancements: Expanded sharing controls including unshare capabilities and related tests and measure list updates. - measure-service and madie-layout: Measure sharing unshare capability introduced; code formatting cleanup in measure-service; unshare/refined actions in the Measure Action Center. Major bugs fixed: - Measure Retrieval Loading State Bug: Ensured loading state is set at the start of measure retrieval to prevent race conditions and stale updates. Overall impact and accomplishments: - Increased data integrity and validation through enhanced value set packaging and EventTiming configuration, enabling more reliable data processing and timing behaviors. - Improved user experience and flexibility in measures: monetary data entry, robust test case tooling, and seamless share/unshare workflows. - Enhanced test stability and build quality across the toolchain, contributing to faster iteration and fewer regressions. Technologies/skills demonstrated: - Frontend: React/TypeScript, Formik integration, UI/UX improvements, test case builder components, timing components. - Data modeling/FHIR: Value sets packaging, EventTiming enhancements, money datatype utilities. - DevOps/Code quality: Packaging workflows, code formatting cleanups, test coverage expansions.

August 2025

28 Commits • 12 Features

Aug 1, 2025

August 2025 focused on delivering user-facing UI improvements, robust test-case tooling, and foundational platform hygiene across MeasureAuthoringTool modules. Key outcomes include improved measures and libraries navigation UX, safer state management, enhanced audit logging, and performance-oriented refactors that support scalable ownership views and more reliable test-case workflows. Notable design-system upgrade and UI refactors align with long-term design consistency and maintainability. These efforts collectively drive business value by improving measure discovery, ownership clarity, compliance/audit traceability, and developer velocity through cleaner state management and test coverage.

July 2025

33 Commits • 10 Features

Jul 1, 2025

July 2025 performance summary: Delivered targeted UI and data-model improvements across the Measure Authoring Tool suite to improve accuracy, usability, and governance, while maintaining stability through careful dependency management. Key outcomes include UI enhancements for measure editing, Rich Text Editor integration, improved notation validation, CMS ID-based search enhancements for Qi-Core measures, and library ownership/scope improvements. Design system upgrades were applied with a controlled rollback for issues, followed by stabilization and security patches (npm audit fixes).

June 2025

17 Commits • 4 Features

Jun 1, 2025

June 2025 monthly recap for MeasureAuthoringTool: Delivered core RAV readiness and UI/content enhancements across measure-service, madie-measure, and madie-layout; stabilized test case versioning workflows and navigation; improved accessibility; and removed redundant feature flags to simplify deployment. These efforts advance risk adjustment capabilities, improve measure reference accuracy, support accessible UX, and boost developer velocity across the suite.

May 2025

19 Commits • 9 Features

May 1, 2025

May 2025 performance summary for the MADiE measure-authoring suite. Delivered key features, improved data integrity, and enhanced UX and reliability across multiple repositories. Upgraded core dependencies to 3.24.0, implemented Risk Adjustment Variables (RAV) with feature flags and data-model updates, centralized alert messaging, and strengthened audit logging. Addressed data integrity and validation gaps, stabilized tests, and refined UI text and components for a clearer user experience.

April 2025

28 Commits • 7 Features

Apr 1, 2025

April 2025 performance summary focused on strengthening data integrity, reliability, and end-to-end measure workflows across the MeasureAuthoringTool suite. Delivered targeted feature work with robust validations, improved error messaging, and UI behavior refinements, while hardening versioning and CMS ID association processes. Achievements span UI, API, and test stability, delivering tangible business value through fewer data/configuration errors, clearer user guidance, and more reliable release readiness.

March 2025

17 Commits • 5 Features

Mar 1, 2025

2025-03 Monthly Summary for Measure Authoring Tool: The team delivered substantial improvements to the measure sharing workflow, expanded QI-Core manifest support behind a feature flag, and strengthened access control and observability across repositories. These changes reduce administrative overhead, improve security, and enable safer, controlled rollouts. Business value is driven by faster, more secure collaboration on measures and improved maintainability through code quality improvements.

February 2025

19 Commits • 8 Features

Feb 1, 2025

February 2025 monthly summary focused on key accomplishments across the MeasureAuthoringTool codebase. Delivered enhancements to testing reliability, expanded auditability for access control and sharing, extended multi-measure sharing capabilities, and advanced the user-facing sharing workflows. These efforts improved security/compliance, developer velocity, and overall system robustness across backend services and UI interactions.

January 2025

24 Commits • 9 Features

Jan 1, 2025

January 2025 performance summary for the MeasureAuthoringTool suite. Delivered user-facing authoring enhancements, strengthened data validation, and reinforced ownership-based access controls across measures and libraries. Focused on improving test case authoring, test reliability, and security posture, while maintaining high-quality code and approachable UX.

December 2024

14 Commits • 5 Features

Dec 1, 2024

December 2024 monthly summary for MeasureAuthoringTool teams. Delivered security-conscious, validated measure management features across measure-service and madie-measure, with strong emphasis on data integrity, test coverage, and maintainability. Key work includes a new CMS ID delete API with safeguards and admin-only access, improved measure validation to prevent NullPointerExceptions and enforce Improvement Notation for drafts, and code quality refinements. Frontend improvements introduced a dropdown navigation for Edit Test Case with expanded test coverage. Measure List enhancements now robustly handle drafts and export errors, with associated tests. Overall, these efforts boost reliability, security, and user guidance for measure authors while improving developer ergonomics and code quality.

November 2024

11 Commits • 2 Features

Nov 1, 2024

November 2024 performance summary focusing on delivering robust UI/UX refinements, data integrity improvements, and enhanced security for the MeasureAuthoringTool suite. The month delivered notable front-end feature work, critical bug fixes across CQL editors and library components, and foundational governance via ACL enhancements, resulting in stronger data quality, improved usability, and secure collaboration.

Activity

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Quality Metrics

Correctness92.8%
Maintainability92.0%
Architecture89.4%
Performance89.4%
AI Usage20.4%

Skills & Technologies

Programming Languages

CSSHTMLJSONJavaJavaScriptSCSSTSXTypeScriptXMLYAML

Technical Skills

API DevelopmentAPI IntegrationAPI RefactoringAPI SecurityAPI TestingAccess Control ManagementAccessibilityAggregation FrameworkBackend DevelopmentBackend IntegrationCSSCode FormattingCode QualityCode RefactoringComponent Development

Repositories Contributed To

10 repos

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

MeasureAuthoringTool/madie-measure

Nov 2024 Oct 2025
12 Months active

Languages Used

JavaScriptTypeScriptSCSSCSSHTMLtsxJavaJSON

Technical Skills

API IntegrationFront End DevelopmentTestingBackend DevelopmentForm HandlingFrontend Development

MeasureAuthoringTool/measure-service

Dec 2024 Oct 2025
11 Months active

Languages Used

JavaXMLYAML

Technical Skills

API DevelopmentAPI SecurityBackend DevelopmentCode RefactoringJavaJava Development

MeasureAuthoringTool/madie-cql-library

Nov 2024 Aug 2025
4 Months active

Languages Used

CSSJavaScriptSCSSTypeScriptJSON

Technical Skills

CSSFront End DevelopmentReactTypeScriptUI/UXFrontend Development

MeasureAuthoringTool/madie-layout

Feb 2025 Sep 2025
7 Months active

Languages Used

JavaScriptTypeScripttsxJSON

Technical Skills

Front End DevelopmentJestMaterial UIReactReact Testing LibraryTypeScript

MeasureAuthoringTool/madie-editor

Nov 2024 Aug 2025
3 Months active

Languages Used

SCSSJavaScriptTypeScript

Technical Skills

CSSFront End DevelopmentForm HandlingFormikReactTesting

MeasureAuthoringTool/cql-library-service

Nov 2024 Jul 2025
4 Months active

Languages Used

JavaXML

Technical Skills

API DevelopmentAccess Control ManagementBackend DevelopmentSpring BootCode FormattingError Handling

MeasureAuthoringTool/madie-fhir-service

May 2025 Sep 2025
2 Months active

Languages Used

JavaXML

Technical Skills

Backend DevelopmentCode QualityFHIRJavaUnit TestingData Modeling

MeasureAuthoringTool/madie-qdm-elm-translation

May 2025 May 2025
1 Month active

Languages Used

XMLYAML

Technical Skills

Configuration ManagementDependency Management

MeasureAuthoringTool/madie-patient

Nov 2024 Nov 2024
1 Month active

Languages Used

JavaScriptTypeScript

Technical Skills

Front End DevelopmentReactTypeScript

MeasureAuthoringTool/madie-design-system

May 2025 May 2025
1 Month active

Languages Used

JavaScript

Technical Skills

Front End DevelopmentReact

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