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misspran

PROFILE

Misspran

Over a two-month period, contributed to mozilla/perfcompare and treeherder by delivering six features and resolving two bugs focused on performance analysis and UI clarity. Work included implementing Mann-Whitney U test support, enhancing statistical analysis with new APIs and data structures, and introducing UI components for surfacing statistical warnings and filtering test versions. Improved metric accuracy and user experience by refining notification positioning, select element styling, and handling edge cases in statistical displays. Leveraged TypeScript, React, and CSS to ensure robust frontend development, while integrating backend data modeling and visualization techniques to support data-driven decision making across performance workflows.

Overall Statistics

Feature vs Bugs

75%Features

Repository Contributions

9Total
Bugs
2
Commits
9
Features
6
Lines of code
2,250
Activity Months2

Work History

October 2025

5 Commits • 4 Features

Oct 1, 2025

October 2025 highlights across perfcompare and treeherder focused on delivering robust performance analysis, clearer result interpretation, and cross-repo analytics capabilities. The month emphasized non-parametric statistics, enhanced UI visibility for statistical limits, and improved configurability for comparing results across test versions, all aimed at accelerating data-driven decision making for performance work.

August 2025

4 Commits • 2 Features

Aug 1, 2025

Aug 2025 performance summary for mozilla/perfcompare: Focused UI polish and metric accuracy improvements with measurable business value. Key features delivered include adjusted notification anchor origin to top-left for better visibility and a streamlined UI by removing the hover underline from select elements to reflect the intended design. Major bugs fixed include reverting unintended inline input outline styling to prevent regressions and updating RunValue handling to show 'N/A standard deviation' when only a single value, ensuring metrics remain meaningful and trustworthy. These changes improve user experience, reduce confusion around metrics, and enhance visual consistency across the UI. Skills demonstrated include frontend UI development, CSS refinements, clear commit-level traceability, and snapshot test maintenance.

Activity

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Quality Metrics

Correctness86.6%
Maintainability83.4%
Architecture76.6%
Performance84.4%
AI Usage24.4%

Skills & Technologies

Programming Languages

CSSJavaScriptPythonSQLTypeScripttsx

Technical Skills

API DevelopmentAPI IntegrationBackend DevelopmentCSSData ModelingData VisualizationFront End DevelopmentFront-end DevelopmentFrontend DevelopmentJavaScriptJestMaterial UIPerformance AnalysisReactState Management

Repositories Contributed To

2 repos

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

mozilla/perfcompare

Aug 2025 Oct 2025
2 Months active

Languages Used

CSSJavaScriptTypeScripttsx

Technical Skills

CSSFront End DevelopmentFrontend DevelopmentReactTestingUI Development

mozilla/treeherder

Oct 2025 Oct 2025
1 Month active

Languages Used

PythonSQL

Technical Skills

API DevelopmentBackend DevelopmentData VisualizationPerformance AnalysisStatistical Modeling