Kathryn Blecher

• Manage certificate tooling platform that provides TLS Certificate creation, autorenewal, and management across the organization.
• Maintain Lambda functions that scan and probe company-owned sites to read certificate data, track expiration dates, and alert as certificates near expiry.
• Serve as the team's vulnerability champion — maintain compliance for vulnerabilities, dependencies, and security processes such as 90-day secret rotation, IAM control renewals, and cleanup of expired resources.
• Introduced Renovate across team repositories, reducing time spent tracking and patching vulnerable dependencies by >60%.
• Implemented a case management system to automatically open tickets with teams owning expiring certificates, and escalate based on days to expiry, reducing manual reach outs and alerts.

• Led an epic to remediate a critical vulnerability in execution management services that had caused a complete service outage.
• Improved the performance of low-latency distributed systems by converting single-threaded services to multithreaded.
• Directed the deprecation of legacy databases and designed migration solutions in collaboration with partner teams.
• Mentored interns on a project decoupling a tightly coupled codebase, reducing release delays and pipeline blockages.

• Developed iOS and Android applications to customer specifications, integrating Firebase analytics and push notifications.
• Designed cloud architectures and automated build/release pipelines in Azure DevOps that ran unit, functional, and integration tests.
• Implemented cost-saving automation that reduced cloud spend by up to 65% for large-scale customers.
• Built and maintained mobile and web SDKs distributed via CocoaPods, Gradle, and NPM.
• Managed complex Azure infrastructure: data warehouses, event hubs, data factories, and stream analytics jobs.

Specialization in Systems Software Development