Charlotte Emms contributed to the Guardian’s commercial and design repositories by delivering platform upgrades, deployment automation, and documentation improvements. She upgraded the Svelte Kit ecosystem in guardian/commercial-templates, modernized the Labs Section color palette in guardian/dotcom-rendering using CSS variables, and reinstated A/B testing for bid response analysis. Charlotte enhanced deployment reliability by aggregating errors in deployment scripts with Python, improving post-deploy visibility. She maintained and restored documentation to streamline onboarding and testing workflows. Her work demonstrated proficiency in JavaScript, TypeScript, and DevOps practices, with careful attention to dependency management, cross-repo consistency, and maintainable, rollback-safe engineering solutions.