cojohen

Led the development of a real-time audit log streaming service for PMP Aware, transferring billions of records annually from Postgres to AWS S3, significantly reducing storage costs by hundreds of thousands of dollars. Upgraded the organization’s primary digital product from Rails Asset Pipeline to Webpack, resulting in a 60% reduction in application package size. Authored a unified frontend style guide and best practice policy, standardizing ~800,000 lines of code and ensuring uniform development for future applications.

Developed frontend components for the organization’s design system using Vue.js and SCSS, supporting ~18 million weekly visitors in managing billions of dollars of personal debt. Documented and represented team-level developer issues to leadership, leading to organization-wide improvements in changelogs and enhancing software development processes for ~300 developers. Refined automated code formatting policies, improving code quality across five repositories, speeding up PR review times, and decreasing QA defects.

Developed custom interactive database-backed web applications for 20 business clients using PHP, MySQL, JavaScript, and HTML, generating $1 million in revenue. Conducted over 40 interviews with business leaders, gathering requirements to plan and size software development projects effectively. Analyzed thousands of business data points to organize digital product development and draft detailed software specifications for engineering teams.

Led a team of technical subject matter experts in securely maintaining the National Airspace System across the North-Central United States. Ensured 99% system uptime by responding to on-call requests 24/7.

Designed and built approximately 100 web applications for business clients worldwide. Coded around 50,000 lines of valid HTML, CSS, and JavaScript. Generated hundreds of thousands of dollars in revenue for international business clients.