# Haoyuan Ma

> Software Engineer | Experience in building scalable, high-performance software systems, cloud infrastructure and distributed systems.

Location: New York City Metropolitan Area, United States
Profile: https://flows.cv/haoyuanma

*A communicative, motivated, and logical person;
* Experience in building scalable, high-performance software systems. Specializing in cloud infrastructure and distributed systems.
*A graduate student majoring in Computer and Information Technology at University of Pennsylvania;
*Good academic records and software engineering experience.

## Work Experience
### Software Engineer II @ Vertex Inc.
Jan 2024 – Present
Distributed system, Kubernetes, Apache Pulsar, Notification Services, AWS, terraform, CI/CD

### Software Engineer Intern @ Vertex Inc.
Jan 2024 – Jan 2024 | キングオブプラシャ, PA

### Software Engineer @ Stealth Mode
Jan 2023 – Jan 2024 | Boston
* Integrated DynamoDB with AWS services like Lambda and DAX, resulting in a 50% increase in data retrieval speeds and handling up to 10,000 queries per second, reducing latency by 30%
* Managed and optimized a PostgreSQL relational database with advanced schema design, query optimization, and implemented sharding techniques for scalable data distribution and efficient retrieval
* Enhanced service reliability and optimized response latency utilizing gRPC's client-side load balancing capabilities; systematically integrated its inherent health-checking protocol to proactively assess service instance vitality, ensuring the timely exclusion of non-operational nodes from the request-routing pool 
* Designed and implemented a robust set of RESTful APIs with integrated OAuth for secure authentication. Prioritized essential features like user registration and login, ensuring both a seamless and secure user experience
* Integrated TypeScript in React to develop type-safe applications, design user-friendly, reusable Components for development.  
* Proficient in utilizing React Hooks to manage component state and lifecycle in functional components, employing useState, useEffect and other hooks to improve code readability and maintainability

### Software Engineer @ University of California, Davis
Jan 2022 – Jan 2023 | Davis, California, United States
* Developed and launched a responsive chatbot using AWS Lambda, integrated with AWS API Gateway for seamless front-end interactions. Streamlined data archival with Amazon S3, enhancing user experience and boosting storage efficiency by 30%
* Led the development and optimization of Distributed Systems & Cloud Computing solutions using Java, integrating tools like Kafka and ZooKeeper to ensure data consistency and robust messaging
* Implemented HAProxy for sophisticated load balancing, orchestrating its cross-platform deployment via Docker
* Revamped product name queries by introducing indexing, resulting in a 3x speed increase in name search response times
* Leveraged Redis as cache solution to improve loading page response with caching  top 100 best seller product improved Data Query Response Times by 25%
* Seamlessly configured and deployed microservices using Spring Cloud Gateway, Consul, and OpenFeign across multiple AWS ECS tasks and services, ensuring robust service integration, public accessibility, and a consistent 99.9% uptime through a high-availability architecture


## Education
### Master's degree in Computer Science (CIT)
University of Pennsylvania

### Bachelor of Science - BS in Mathematics & Statistics
UC Santa Barbara


## Contact & Social
- LinkedIn: https://linkedin.com/in/haoyuan-ma-3433241b4

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Source: https://flows.cv/haoyuanma
JSON Resume: https://flows.cv/haoyuanma/resume.json
Last updated: 2026-04-05