Enhao Sun

- Managed and maintained critical AWS infrastructure, including EC2 instances for high availability and S3 buckets with implemented lifecycle policies for optimal performance and cost savings. - Developed and deployed serverless applications using AWS CDK, specifically focusing on Lambda functions to support monitoring Tableau (BI tool) job status, ensuring proactive identification and resolution of potential issues. - Designed, developed, and maintained internal DevOps automation scripts using Python and Shell scripting to streamline deployment processes, infrastructure management, and monitoring tasks. - Implemented the infrastructure for a scalable and efficient CI/CD pipeline leveraging Jenkins, resulting in a significant reduction in service downtime and increased reliability of deployments.

- Developed a production management system for a manufacturing company, resulting in a remarkable 40% improvement in production efficiency and a significant reduction in information transmission errors. - Designed and implemented the code, using Java Spring Boot for the backend and React for the frontend, ensuring a robust and user-friendly system. - Conducted an in-depth analysis of production process issues at the manufacturing plant, identified user needs, and customized the solution to meet these requirements.

- Developed a search-image-by-image component in React for the frontend, integrating it with Java backend and Python API services to provide a seamless user experience. - Led the successful development and management of CI/CD pipelines, resulting in a significant 40% reduction in deployment time and improving the overall efficiency of software releases. - Collaborated cross-functionally with development, operations, and quality assurance teams to enable effective DevOps practices, fostering collaboration and streamlining the software development lifecycle. - Supported the release of projects to the validation team, ensuring 100% adherence to project timelines and maintaining high-quality standards throughout the development and release processes.

- Developed log-collection features and implemented multiple metric-collection components in the DevOps platform Aquila, resulting in a significant 25% improvement in data accuracy and ensuring reliable monitoring and analysis of system metrics. - Supported SLAs (Service Level Agreements) for customers by promptly resolving 90% of reported issues within agreed-upon timeframes, ensuring high customer satisfaction and minimizing disruptions to their operations. - Collaborated with cross-functional teams to successfully implement multi-tenement authentication in Aquila, enhancing security and access control measures for over 500 users and strengthening the platform's overall resilience. - Recognized for exceptional problem-solving skills and dedication to quality and customer satisfaction, demonstrating a proactive approach to addressing challenges and delivering solutions that exceed expectations.

- Designed and developed RESTful APIs, file uploading features, and CRUD functions for backend services, resulting in a notable 15% increase in API performance, enhancing system responsiveness and user experience. - Implemented a front-end component for car and software package management in React, improving the overall functionality and usability of the application. - Maintained the development environment for the team, resulting in a streamlined and efficient workflow - Provided customer support and training on utilizing external APIs

Research on wearable IoT devices： - Use DHT-22 to collect temperature and humidity on ESP866 board. - Use MQTT to send temperature and humidity data to Raspberry-Pi server. - Use Python and flask to store data in MySQL database and show data dynamically on web page - Draw UML diagram for data collection architecture and procedure