Johnny Sit Email & Phone Number

New York, NY, US

• Enabled live messaging across UHC portal pages and the UHC mobile app by designing Javascript modules and utilizing the LivePerson platform, resulting in an average of over 10,000 daily chat interactions with members.
• Built self-service chat bots using the LivePerson Platform and Microsoft Bot Framework, resulting in a 25% reduction in customer inquiries handled by advocates and a significant improvement in customer satisfaction, as.
• Set up initial code and infrastructure using Javascript, Java (Spring Boot), ingress controllers, and load balancers to accelerate future portal live messaging expansion and meet critical business demands
• Developed a router bot using the LivePerson Platform to allow routing to advocate groups based on member policies, greatly enhancing advocate handling and customer service experience
• Accelerated the project's onboarding process by proposing and building a documentation micro-site, enhancing the team's knowledge transfer processes and improving collaboration and coordination among team members
• Transformed the overall CI/CD process with automated Playwright-based regression tests and through Kubernetes, Jenkins, Docker, and Helm, resulting in faster release cycles and enhanced application stability

• Developed and deployed an internal full-stack machine-learning based web application from the ground up within four months using React, Material UI, GraphQL, Java (Quarkus), Elasticsearch APIs, and MySQL, enabling UHC.
• Directed wireframe design process using Figma, clarifying scope and features of initial MVP with all project stakeholders, refining project planning and execution
• Contributed to continuous deployment of the project using kubernetes, docker, and helm, enabling faster release cycles, improved version control, and enhanced overall application stability
• Maintained high software quality and continuous integration through the use of React Testing Library and Cypress, ensuring the software reliability

• Developed the frontend using React, Redux, Material UI, and Apollo GraphQL to create a single platform for teams throughout UHG to generate member materials
• Built form pages for employees to add, modify, or view fields relating to member materials, improving operations and enabling employees to manage member materials more efficiently
• Ensured high software quality by writing unit tests using React Testing Library and maintained code coverage above 90%

Boston, Massachusetts, United States

• Proposed, designed, and implemented a discussion forum-based proof of concept application using MERN stack, enabling UHG community to help each other set up logging with their respective applications and collaboration.
• Operated with the Enterprise Information Security team, providing support to application teams throughout UHG to set up security logging with various technologies, ensuring compliance with company security standards.
• Partnered with the company's SSO team to set up security logging, resulting in a daily increase in log volume in the hundreds of thousands
• Learned and applied various logging technologies such as Logstash, Filebeat, and Fluent Bit by creating generic templates, providing one on one assistance with application teams, and contributing to documentation used.
• Created a video tutorial series for customers to use when setting up logging, reducing one on one engagements with the security team and providing a step-by-step visual guide

Hartford, Connecticut, United States

• Improved Optum's Provider Search application reliability by writing unit tests using React and Jest/Enzyme, increasing overall test coverage from 33% to 54% and enhancing software reliability
• Won second place in Optum's site-wide Hackathon competition by presenting a mobile application in 24 hours that matched users with suitable mental health providers, which was presented to UnitedHealth Group's senior.

Farmington, CT

• Demonstrated flexibility by taking on multiple projects with several teams and completed each with the highest quality in a timely manner
• Managed billing of over 10,000 patients through HHC's EPIC software to alleviate workload for the Revenue team
• Resolved any errors daily within EPIC's error queue system that had resulted from invalid provider information
• Provided assistance for the ImageConnect team using Sectra to update patient MRN's and legacy data
• Displayed attentiveness to detail by matching imported x-ray images to corresponding patients sent from non-HHC affiliated sites
• Audited over 700 cases to ensure patients' CD imaging system functions correctly and logged any errors encountered

Bachelor Of Science - Bs, Computer Science

High School Diploma

Activities and Societies: eSports Club Math Club Key Club Tennis Mu Alpha Theta Honor Society English Honor Society Science Honor Society.