
Jonah Kagan enhanced audit planning and risk calculation features in the votingworks/arlo repository, focusing on backend and frontend refactoring using Python, React, and SQL. He improved planning flexibility by expanding ballot polling options and addressed reliability by implementing Slack message truncation and Gunicorn memory-leak mitigation. In December, Jonah delivered security hardening for production logging, masking sensitive credentials, and stabilized CI workflows by verifying Cypress installations. He also contributed to goldbergyoni/vitest, extending code coverage controls to support maximum uncovered items. His work demonstrated depth in API development, DevOps, and testing, resulting in more robust, secure, and maintainable systems.

December 2024 monthly summary focusing on key features delivered, major bugs fixed, and business impact across repositories. Delivery focused on security hardening for production logging, CI stability improvements, and extended code coverage controls, with cross-repo benefits in reliability and governance.
December 2024 monthly summary focusing on key features delivered, major bugs fixed, and business impact across repositories. Delivery focused on security hardening for production logging, CI stability improvements, and extended code coverage controls, with cross-repo benefits in reliability and governance.
November 2024 — VotingWorks ARLO: Delivered significant enhancements to audit planning, reliability, and risk calculations. Key updates include an expanded Audit Planner with multiple ballot polling sample size options, safeguards for Slack message length, a correctness fix for risk measurement with non-RLA batches, and Gunicorn memory-leak mitigation via auto-restart. Overall impact: Improved planning flexibility for auditors, reduced risk of Slack notification failures, more accurate risk results in mixed-batch scenarios, and enhanced web dyno stability. Technologies/skills demonstrated: UI/backend refactor; test and snapshot maintenance; risk calculation logic with non-RLA handling; Slack integration safeguards; Gunicorn configuration and memory-management strategies; deployment stability improvements.
November 2024 — VotingWorks ARLO: Delivered significant enhancements to audit planning, reliability, and risk calculations. Key updates include an expanded Audit Planner with multiple ballot polling sample size options, safeguards for Slack message length, a correctness fix for risk measurement with non-RLA batches, and Gunicorn memory-leak mitigation via auto-restart. Overall impact: Improved planning flexibility for auditors, reduced risk of Slack notification failures, more accurate risk results in mixed-batch scenarios, and enhanced web dyno stability. Technologies/skills demonstrated: UI/backend refactor; test and snapshot maintenance; risk calculation logic with non-RLA handling; Slack integration safeguards; Gunicorn configuration and memory-management strategies; deployment stability improvements.
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