David Ruiz Email & Phone Number

Madison, Wi, Us

Madison, Wi, Us

Verona, Wi, Us

• Upgraded existing Visual Basic administrative applications by transitioning to modern web technologies such as TypeScript, React.js, Sass, and C#. Reduced page load and save times by 50% while enhancing the user interface to align with Epic's current style guidelines.• Revamped health insurance claim recovery processes by implementing a new finite state machine coupled with an advanced recovery action data model featuring configurable task automation. Resulted in a streamlined system for claim recovery reporting, delivering linear time efficiency gains and a reduction for manual claim processing.• Enhanced the automatic actions application framework by implementing support for health insurance claims. This feature enabled system analysts to devise creative solutions for automated claim management, whether triggered by claims reaching specific workflow events or identified through a nightly job scanning an index for claims meeting predetermined criteria.• Consistently delivered solutions to our customer-facing technical support team by implementing system fixes and developing user-friendly utilities. These efforts notably improved issue resolution outcomes, exemplified by reducing report-generation job runtimes by 85%, resulting in swift and effective resolutions of customer concerns.• Identified and addressed critical bugs stemming from the migration of the claims workspace from VB to web technologies, ensuring the timely delivery of a stable, redesigned application customized to enhance the experience and satisfaction of upgrading customers.• Guided collaborative sessions with developers and quality managers to enhance development design processes, introducing effective practices that minimized the need for project redesigns after finalizing initial development.

Riverwoods, Il, Us

• Enhanced the Discover Network by implementing crucial changes, facilitating China UnionPay card issuer with essential data to identify and mitigate fraudulent transactions, resulting in a reduction in dispute cases.• Increased operational efficiency by developing a shell script automating the resolution of low disk space tickets in pre-production environments. This initiative eliminated the need for on-call system engineers to manually clear disk space upon ticket generation.• Improved system reliability by re-implementing and migrating the TLV message parsing algorithm, utilities, and tests to a standalone module, minimizing incidents during new installs when card transaction acquirers face interrupted connections.• Wrote unit tests using JUnit to verify the flows of logic in my additions and created Cucumber regression tests to help the quality assurance team understand the intended output and behavior of my features.

Naperville, Illinois, Us

• Led the migration of an existing in-flight entertainment chat application from vanilla JavaScript and jQuery to React.js, enhancing performance and delivering a transformed, modular application for improved development efficiency.• Enhanced the user experience by successfully implementing new features, including user profile management and customization options, to meet the constraints of the reimagined chat application.