Shahraz worked on the ONSdigital/blaise-deploy-questionnaire-service repository, focusing on a critical dependency upgrade to enhance the service’s performance and maintainability. He migrated the Blaise API client and IAP provider from version 1.x to 2.x, ensuring compatibility with newer Node.js environments. The upgrade included updating Babel and related packages, which improved security and reduced long-term technical debt. Shahraz validated the upgrade path to maintain stability across deployment environments, addressing minor maintenance issues as part of the process. His work demonstrated proficiency in JavaScript, Node.js, and dependency management, delivering a targeted solution that improved the project’s operational resilience.