EXCEEDS logo
Exceeds
Carl Whittaker

PROFILE

Carl Whittaker

Worked extensively on the Oak-Web-Application and oak-components repositories, delivering over 100 features and nearly 50 bug fixes in eight months. Focused on building accessible, data-driven user interfaces and robust navigation flows using React, TypeScript, and GraphQL. Implemented features such as cross-unit video playback control, curriculum data caching with Incremental Static Regeneration, and advanced filtering for lesson and programme pages. Enhanced accessibility and SEO, modernized authentication flows, and improved analytics integrity. Regularly refactored UI architecture for maintainability, introduced responsive design patterns, and strengthened testing with Jest and Storybook, resulting in a scalable, reliable, and user-focused web application platform.

Overall Statistics

Feature vs Bugs

71%Features

Repository Contributions

317Total
Bugs
46
Commits
317
Features
112
Lines of code
787,177
Activity Months8

Work History

June 2026

60 Commits • 25 Features

Jun 1, 2026

June 2026: Delivered navigation, performance, and reliability enhancements for Oak-Web-Application aimed at faster user journeys, stronger SEO, and improved maintainability. Highlights include top-navigation routing improvements, curriculum data caching with Incremental Static Regeneration (ISR), expanded sitemap coverage, and a revamped navigation structure, all underpinned by refactors and quality improvements to support engineering velocity.

May 2026

40 Commits • 11 Features

May 1, 2026

May 2026 – Oak Web Application: Delivered user-centric frontend enhancements, stability fixes, and architecture groundwork that improve user flow, reliability, and maintainability. Key achievements span feature delivery, bug hardening, SEO/UI refinements, and prep for app-router migration, driving business value through better engagement, reduced support friction, and faster iteration cycles.

April 2026

68 Commits • 19 Features

Apr 1, 2026

April 2026 performance snapshot: Delivered a set of high-impact features and reliability fixes across Oak Web Application, strengthening content discovery, navigation, and accessibility, while improving data access for teachers and increasing UI consistency. Key work spanned structuring headings and subject-category integration (LESQ-1857), data-driven tier/subject toggles with icons (LESQ-1858), enhanced lesson navigation (LESQ-1910), expanded teachers' data surface via a new teachersLessonOverview query (LESQ-1905), and accessibility/share improvements on lesson pages (LESQ-1911). These changes collectively enable better content filtering, smoother user journeys, richer reporting, and more inclusive UX, while maintaining a strong foundation for future refinements.

March 2026

8 Commits • 4 Features

Mar 1, 2026

March 2026 monthly summary: Oak-Web-Application and Oak-Components delivered cross-unit video playback control, refined risk assessment banner logic, stabilized top navigation UI with a temporary feature flag and styling upgrades, aligned pupil help navigation, and hardened event handling for reliability. These changes reduce user confusion, improve cross-unit media experiences, and enhance maintainability across core components.

February 2026

78 Commits • 28 Features

Feb 1, 2026

February 2026 highlights across oak-components and Oak-Web-Application focused on unifying component theming, refining UI architecture, and delivering layout improvements that directly enhance user experience and design-system alignment. The month also encompassed accessibility, sign-in/out polish, and maintainability improvements to support scalable delivery. Key outcomes include a major upgrade of OakRadioAsButton with new variants and theming, UI scaffolding refactor to streamline architecture, and a grid-based layout overhaul that enables consistent, responsive presentation of guides, downloads, and unit sequences. Surrounding enhancements address program listings, keystage mapping safety, and EYFS UI touchpoints for a cohesive user experience. In addition, authentication flows were modernized with Clerk integration and Storybook mocks to bolster testing. Notable maintenance and quality work covered dependency upgrades, SSR and cookie/privacy fixes, and testing/snapshot improvements to reduce regressions and improve performance.

January 2026

59 Commits • 24 Features

Jan 1, 2026

January 2026 performance highlights across oaknational/Oak-Web-Application and oaknational/oak-components. Delivered core UX improvements that enhance content discovery and programme-page richness, alongside robust data-loading architecture and test stability. Notable work includes a Top navigation search bar, ProgrammeHeader and Programme Overview pages, and parallelized data loading with enhanced metadata support. Implemented authentication-aware UI refinements (OakSaveCount) and fixed critical navigation/test stability issues, resulting in faster, more reliable web experiences and clearer measurement of business value.

February 2025

1 Commits

Feb 1, 2025

February 2025 monthly summary for oaknational/oak-ai-lesson-assistant focused on security and reliability improvements in the sign-in flow. Implemented a fix to ensure the Next.js router properly checks signed-in status and that navigation to the sign-in page works regardless of authentication state. This reduces exposure to unauthorized access and improves user experience for sign-in. Linked to bug #146 via commit c1b9939563dc20e3ffaf0a56d73d015a11047149.

October 2024

3 Commits • 1 Features

Oct 1, 2024

October 2024 monthly summary for Oak-Web-Application focused on onboarding experience accessibility, reliability, and analytics integrity. Delivered a key accessibility enhancement, stabilized form validation behavior, and improved analytics data quality, contributing to better user experience, higher onboarding conversion potential, and cleaner business metrics.

Activity

Loading activity data...

Quality Metrics

Correctness96.0%
Maintainability87.8%
Architecture88.6%
Performance88.2%
AI Usage25.6%

Skills & Technologies

Programming Languages

CSSGraphQLHTMLJSONJavaScriptReactTypeScript

Technical Skills

API DevelopmentAPI IntegrationAPI developmentAPI integrationAccessibilityCSSComponent DesignComponent DevelopmentEvent TrackingForm ManagementFront End DevelopmentFrontend DevelopmentGitHub ActionsGraphQLJavaScript

Repositories Contributed To

3 repos

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

oaknational/Oak-Web-Application

Oct 2024 Jun 2026
7 Months active

Languages Used

JavaScriptReactTypeScriptCSSHTMLJSONGraphQL

Technical Skills

AccessibilityEvent TrackingForm ManagementFront End DevelopmentFrontend DevelopmentReact

oaknational/oak-components

Jan 2026 Mar 2026
3 Months active

Languages Used

JavaScriptTypeScript

Technical Skills

CSSComponent DesignFront End DevelopmentReactTypeScriptfront end development

oaknational/oak-ai-lesson-assistant

Feb 2025 Feb 2025
1 Month active

Languages Used

JavaScriptTypeScript

Technical Skills

Front End DevelopmentNext.jsReact