**Ziyuan Yan**
Los Angeles, CA 90057
(123) 456-7890 | ziyuan.yan2000@gmail.com | linkedin.com/in/ziyuan-yan-178392217

### EDUCATION
**San José State University**, San Jose, CA
Aug 2018 – May 2023
B.S. Software Engineering

### WORK EXPERIENCE
**Cradi Med Tech Inc.**, Los Angeles, CA
May 2023 – Present
*Full Stack Developer*
- Led a team of 8 engineers in developing a telemedicine platform for remote patient monitoring, growing active users from 0 to 200.
- Spearheaded the project lifecycle, including architectural design, front-end integration, AWS server management, and database development.
- Deployed a multi-platform website and mobile app (Amplify/App Store) with synchronized logins, reducing user operating time by 50%.
- Implemented authentication (Cognito, Sa-Token), AWS security measures (WAF, VPC, API Gateway), and ensured HIPAA compliance.
- Integrated third-party APIs (GetStream, Stripe, Twilio) for video calls, payments, and SMS/email services, achieving significant cost savings.
- Optimized performance with microservices, Hibernate, Redis cache, and CI/CD pipelines, reducing deployment time by 80%.

### PROJECT EXPERIENCE
**Autonomous Delivery Robot**
Sep 2022 – May 2023
- Built a self-driving robot using ROS, integrating GPS, IMU, LiDAR, and depth cameras with <0.5s latency for real-time control.
- Implemented SLAM for environment scanning, obstacle avoidance, and path planning at 50 updates/sec.
- Leveraged coordinate TF, EKF, and PID algorithms to maintain positioning accuracy within 0.5 meters.

**Beverage Order & Payment Website**
Mar 2022 – May 2022
- Designed a Java/Spring-based ordering system with Maven, RESTful APIs, and Kong API gateway.
- Optimized performance with GCP load balancing and Kubernetes, handling 10,000 requests/sec.
- Integrated CyberSource for secure payments and ensured data safety with DB2 pagination.

**Gesture Recognition Tracking Game**
Mar 2021 – May 2021
- Developed a Python/OpenCV rock-paper-scissors game with 30Hz gesture recognition (94% accuracy).
- Trained a CNN model (Keras/TensorFlow) using a custom dataset of 300 annotated images.

### EXTRACURRICULAR ACTIVITIES
**San José State University Chinese Student Association**
Aug 2018 – Dec 2021
*President/Treasurer*
- Led a 50-member nonprofit, organizing events attracting 300+ attendees to promote cultural exchange.

### SKILLS
**Programming**: Java, Python, C/C++, MATLAB, HTML/CSS/JavaScript
**Frameworks**: Spring, ROS, React, Vue, Angular, Django
**Databases**: MySQL, MongoDB, PostgreSQL, Redis
**Tools**: AWS, GCP, Docker, Kubernetes, Git, Jira, Figma
**Other**: RESTful APIs, CI/CD, Microservices, HIPAA Compliance

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