Cheng Y. Email & Phone Number

Harrisburg, Pa, Us

Dallas, Texas, Us

• .NET 8 Upgrade: Upgraded all applications from older .NET Core or 7 versions to .NET 8, ensuring improved functionality and modern standards.• Performance Optimization: Enhanced application performance by refactoring LINQ queries, achieving a 40% improvement in execution speed.• Error Monitoring: Used Sentry and Azure Application Insights to monitor all app services, troubleshoot issues, and update error logs for better team insights and resolutions.• Auth0 Learning: Gained foundational knowledge of Auth0 to enhance application authentication and security.• Unit Testing: Wrote unit tests using xUnit to ensure code reliability and maintain high-quality standards across applications• Collaborated with team members to implement best practices and improve code maintainability.

Harrisburg, Pennsylvania, Us

• Azure App Insights: Used Azure Application Insights to troubleshoot and resolve application issues efficiently.• Automated Testing: Developed and maintained automated testing environments using Azure Containers, enabling overnight test execution and ensuring code reliability.• Automation Export System: Designed and implemented an automated export system for Medicare submission files, enabling businesses to export files to carriers via SFTP, email, or fax. This system significantly reduced manual effort by automating the entire process.• .NET 8 Upgrade: Played a key role in upgrading critical applications to .NET 8, including the migration of older .NET Framework projects to .NET 8. Overcame significant challenges during this transition to ensure seamless integration and modernization of the codebase.• Proactive Contributions: Consistently exceeded sprint goals by identifying and completing additional tasks. Assisted teammates with debugging and implementing solutions, fostering a collaborative team environment.• AEP Medicare Rush: Adapted quickly to unexpected carrier changes during the Annual Enrollment Period (AEP). Delivered timely solutions to keep workflows operational, demonstrating resilience and adaptability under pressure.• Maintained and enhanced Medicareful.com and Ritter’s internal enrollment systems, carrier export processes, and transmission workflows.• Migrated Ritter Auth system from IdentityService 3 to Duende IdentityServer, improving security and scalability.• Developed APIs for managing insurance contracting hierarchies, including creating, editing, and generating PDF contracts using .NET Core 3.1 and iTextSharp.• Spearheaded Scrum planning meetings to establish team strategies and align project goals.

Harrisburg, Pennsylvania, Us

• Planning and developing software applications.• Confer with developers, analysts, quality engineers, and management to obtain information on project limitations, capabilities, performance requirements, and interfaces.• Design, develop, and modify software systems in accordance with outlined objectives.• Modify existing software to correct errors, allow it to adapt to the changes in the software development landscape, allow it to interface with new software, and/or to improve its performance.

• Work with staff and management to provide excellence in customer services• Ensure proper employee training• Responsible for customer satisfaction. Resolved hospitality issues as they occurred.• Provide assistance in the event of an employee being absent• Strong ability to thrive in a fast paced environment while striving to increase productivity.

Philadelphia, Pa, Us

• Designed and created mockups and interactive prototypes for object stops to be tested on a mobile device in the gallery (HTML, Javascript, CSS)• Surveyed existing iBeacons and monitor battery levels, plan and help execute battery replacement sessions, help extend the backend to add new functionality and simplify the overall process (HTML, PHP / Node.js / NoSQL / MySQL)• Performed maintenance on existing kiosks and mobile devices, helped troubleshooting problems• Supported installation and configuration of new in-gallery interactive devices (touch table, iPads)• Designed and developed Raspberry pi Bluetooth tracking system to track Bluetooth low energy devices (smartwatch, iBeacons) throughout the specific location and generate reports to show movement patterns and visiting times (Linux, Python, NoSQL, PHP).