EXCEEDS logo
Exceeds
Simon Katan

PROFILE

Simon Katan

Simon Katan developed and enhanced a wide range of user-facing features and core components for the oaknational/Oak-Web-Application and oaknational/oak-components repositories. He engineered robust UI elements such as the OakFormInput and OakCATQuestion, implemented accessibility improvements, and delivered data-driven features like testimonials and video integration. Simon applied TypeScript and React to enforce type safety, modularize code, and improve maintainability, while also refactoring legacy components and stabilizing test suites with Jest and Storybook. His work addressed both frontend and backend concerns, including API integration, schema validation, and state management, resulting in more reliable releases and a more accessible, maintainable codebase.

Overall Statistics

Feature vs Bugs

50%Features

Repository Contributions

255Total
Bugs
63
Commits
255
Features
62
Lines of code
54,595
Activity Months8

Work History

October 2025

12 Commits • 1 Features

Oct 1, 2025

October 2025 performance summary for oaknational/oak-components. Focused on stabilizing exports, improving test reliability, and delivering a major UI text input refactor. The month yielded lower CI noise, fewer integration issues for downstream apps, and a robust, self-contained OakMultilineText component with improved UX.

September 2025

13 Commits • 1 Features

Sep 1, 2025

September 2025 monthly summary for oaknational/oak-components: Delivered the OakCATQuestion component and CAT Question UI with an Accordion-based interface, accessibility enhancements (ARIA labels), Storybook stories (including InitiallyOpen scenarios), and comprehensive tests. Internal refactors established a consistent unstyled accordion and reinforced type safety across the CAT question flow. Representative commits include feature work (feat: oak cat question) and multiple fixes (fix: tests, fix: aria labels, fix: update snapshot, fix: wrap questions in ul, docs: added visuals).

August 2025

25 Commits • 5 Features

Aug 1, 2025

August 2025 — Focused on delivering core component features, improving developer experience via stronger code quality gates, and stabilizing the test suite to ensure reliable releases. Key outcomes include feature deliveries (OakFormInput with labels; Completed oak caption search), foundational work for search input scaffolding, ESLint rule enforcement to prevent relative imports, and expanded test coverage for OakFormInput. On the bugs side, we fixed lint issues, stabilized tests, updated exports and snapshots, addressed type errors, and implemented design and accessibility improvements across components. Overall, these changes reduce regression risk, accelerate CI feedback, and deliver more predictable, accessible UI components.

February 2025

47 Commits • 16 Features

Feb 1, 2025

February 2025 performance snapshot for Oak Web applications and components. The team delivered a set of front-end enhancements that increase content flexibility, accessibility, and reliability while strengthening the release pipeline with expanded tests and stability fixes. Key business outcomes include a refreshed dependency baseline for security and performance, data-driven testimonials across homepages, and groundwork for a CMS-backed video experience. UI polish and responsiveness improvements, combined with a robust testing strategy, reduce risk and enable faster, safer feature delivery.

January 2025

76 Commits • 19 Features

Jan 1, 2025

January 2025 performance highlights: Delivered a feature-rich Teacher Notes system across oak-national/oak-components and Oak Web Application, including modal and inline editor experiences powered by TipTap, with accessibility improvements, mobile styling, and comprehensive tests and stories. Implemented on-progress-saving behavior and exported props, enabling reliable note capture and rendering. Completed key maintainability and quality initiatives: absolute import paths for oak-components, UI refactor replacing Box with OakBox and removal of legacy horizontal rules, and refreshed test snapshots across components. Expanded test coverage and test configuration stability (URL validation tests, SonarCloud coverage), with substantial test fixes and snapshots updates. Introduced note tracking and sharing telemetry to support product analytics and user engagement decisions. These outcomes improved developer productivity, reduced regressions, and accelerated delivery of collaboration-enhancing features.

December 2024

20 Commits • 4 Features

Dec 1, 2024

December 2024 — Oak-Web-Application: Delivered core frontend enhancements, robust data handling improvements, and SEO/navigation refinements that drive engagement and reduce risk. Key features delivered include: Expiring Banner System Enhancements (unified component, dynamic messaging, singular/plural titles, cross-view integration, tests updated); Lesson Listing Data and Year Logic Enhancements (accurate year determination, earliest year exposure for programs, actions data mapping, camelCase API data, tests updated); Programme/URL SEO and Navigation Improvements (redirect when only one programme exists, canonical URL handling improvements, hook-based URL access, tests updated); Global Share Feature Enablement (removal of feature flag restrictions across pages); Test Suite and Fixture Updates (fixtures and snapshots aligned with new data shapes and test stability). Major bugs fixed included correcting expiring banner rendering edge-cases for singular/multiple messages across pupil/teacher views and stabilizing lesson overview tests. Overall impact: improved end-user experience, more accurate data handling and navigation, stronger SEO readiness, broader sharing capabilities, and higher test reliability. Technologies/skills demonstrated: React componentization and frontend architecture refinements, data normalization and camelCase conversion, API data mapping, hook-based URL handling, and test-driven development with updated fixtures and snapshots.

November 2024

59 Commits • 15 Features

Nov 1, 2024

Monthly overview for 2024-11 (Oak-Web-Application): Delivered a set of core data and UX improvements, reinforced testing, and improved stability across the unit listing, navigation, sharing, and tracking flows. The work emphasized business value, reliability, and developer experience by refactoring critical queries, enabling configurable behavior, and enhancing accessibility. Key features delivered: - Unit Listing Improvements and Programme Refactor: Refactored the unit listing query and continued refactor of getUnitsForProgramme to improve data retrieval accuracy and maintainability. - Slugs for Subject Categories: Added URL-friendly slugs for subject categories to improve navigation and SEO. - Overrides and Exceptions Mechanism: Introduced a flexible overrides and exceptions system to support per-programme customization without code changes. - Share Tracking and Experiments Framework: Implemented initial share tracking for users, teacher tracking, and refactored share experiments into a hook with added tracking fields, enabling richer analytics and experimentation. - Hook Integration on Lesson Listing Page: Added a hook on the lesson listing page to integrate share-related hooks, enabling consistent sharing analytics across views. - UI and UX Enhancements for Sharing and Downloads: Added a download button and laid groundwork for share buttons UI, including styling improvements and ensuring the download URL points to the lesson overview page, with accessibility considerations. - Storage Migration to Local Storage: Migrated data storage from cookies to localStorage and updated related function names to reduce reliance on cookies. - Accessibility and Testing Improvements: Introduced ARIA attributes for better accessibility and expanded test coverage to stabilize test suites and validate tracking flows. Major bugs fixed: - Type safety and runtime issues across core modules, including nested primitives handling and missing icons, with multiple commits focused on type error fixes. - Removed stray console logging and performed general code cleanup to reduce noise and improve readability. - Fixed rendering and UI edge cases, including ensuring components render correctly, download button visibility, and proper URL handling for controls and sharing flows. - Stabilized test suites by addressing flaky tests and adding coverage for tracking scenarios and edge cases. - Resolved AVO integration issues and URL/event handling inconsistencies to ensure correct analytics and navigation. Overall impact and accomplishments: - Increased data reliability and user experience through refactors, enhanced tracking, and safer defaults, enabling richer analytics and more predictable behavior in production. - Improved developer productivity and maintainability via refactoring, better test coverage, and standardized feature flags and hooks. - Strengthened accessibility and performance considerations across the UI and interaction points. Technologies/skills demonstrated: - TypeScript/Type-Checking and React hooks for robust front-end architecture - Query optimization and data modeling (unit listing and programme-related flows) - Feature flags, experiment framework, and analytics tracking implementations - LocalStorage-based persistence and migration strategies - Accessibility best practices (ARIA) and automated testing (expanded test suites)

October 2024

3 Commits • 1 Features

Oct 1, 2024

October 2024 — Oak-Web-Application: Delivered targeted data handling, stronger type safety, and more robust validation. Key changes include: (1) downloads restricted to worksheet questions to reduce payload and improve user download times; (2) schema/type cleanup removing deprecated resource types and aligning definitions with current handling; (3) robust short-answer grading with case-insensitive, whitespace-agnostic comparisons and accompanying tests. These improvements reduce the risk of incorrect downloads and grading, improve reliability and maintainability, and demonstrate strong QA and typing discipline.

Activity

Loading activity data...

Quality Metrics

Correctness90.4%
Maintainability90.4%
Architecture84.6%
Performance86.4%
AI Usage21.2%

Skills & Technologies

Programming Languages

CSSGraphQLHTMLJavaScriptMarkdownPythonReactSQLTypeScriptcss

Technical Skills

API DevelopmentAPI IntegrationAPI TestingAccessibilityAnalyticsAnalytics IntegrationBackend DevelopmentCMS IntegrationCSSCSS StylingCSS-in-JSClipboard APICode GenerationCode LintingCode Organization

Repositories Contributed To

2 repos

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

oaknational/Oak-Web-Application

Oct 2024 Feb 2025
5 Months active

Languages Used

JavaScriptTypeScriptGraphQLSQLtsxCSSReactenv

Technical Skills

Code RefactoringFront End DevelopmentFrontend DevelopmentReactTypeScriptUnit Testing

oaknational/oak-components

Jan 2025 Oct 2025
5 Months active

Languages Used

CSSJavaScriptTypeScriptcsstsxReactHTMLMarkdown

Technical Skills

AccessibilityCSSCSS StylingCode RefactoringComponent DevelopmentComponent Export

Generated by Exceeds AIThis report is designed for sharing and indexing