# 李辉阳 - Backend Engineer | Distributed Systems Specialist
Source: https://hello.cv/baiprofile
Beijing

## About
Highly skilled Backend Engineer with a Master's in Computer Science specializing in distributed systems and cluster resource scheduling. Proven ability to design and implement high-performance, scalable systems, as demonstrated through significant projects and internships at leading tech companies like Alibaba, Kuaishou, and Xinghan. Adept at optimizing resource utilization and streamlining development workflows, with a strong foundation in Go, Java, and modern middleware technologies.

## Work
### Backend Development Engineer, Architecture Department | Beijing Xinghan Future Network Technology Co., Ltd.
https://
Contributed to backend development and architectural design, focusing on AI application services and general SaaS platform features.
- Developed multi-model request schedulers for the AI application marketplace, enhancing platform features and service stability by integrating delay detection, multi-LLM interface adapters, and gateway short-link tools.
- Contributed to the Infra-Pilot SaaS platform, implementing non-invasive service probing, automatic start/stop, and elastic scaling functionalities based on log collection.
- Collaborated with cross-functional teams to deliver robust and scalable backend solutions for AI-driven products.
### Backend Development Engineer, R&D Efficiency | Beijing Kuaishou Technology Co., Ltd.
https://
Developed internal API management platform to significantly enhance R&D efficiency and streamline development workflows.
- Developed Kuaishou's internal KDEV-API management platform, enabling API version control, JSON automatic parsing, and pipeline control plugin integration.
- Implemented critical features including API change notifications, automated multi-platform import, and pipeline API parsing plugins, improving developer productivity.
- Streamlined API management processes, contributing to faster and more efficient software development cycles within the organization.
### Backend Development Engineer, ICBU - Infrastructure Architecture Team | Alibaba Group
https://
Participated in a key batch application refactoring project to modernize legacy systems and support new DevOps initiatives.
- Developed code refactoring tools and designed DSL scripts for automated configuration generation to support new DevOps versions for legacy applications.
- Automated refactoring for over 70 departmental applications, significantly reducing manual effort by 80%.
- Contributed to the improvement of development efficiency and system maintainability across multiple business units.

## Education
### Beijing University of Aeronautics and Astronautics | Computer Technology
GPA 90/100 (Top 50%) | https://
- Cluster Resource Scheduling
- Distributed Systems
### Nanjing University of Aeronautics and Astronautics | Computer Science
GPA 92/100 (Top 3%) | https://

## Skills
### Professional Theory
- Cluster Resource Scheduling
- Distributed System Architecture
### Programming Languages
- Go
- Java
### Backend Frameworks
- Gin
- Gorm
- gRPC
- SpringCloud
### Middleware & Databases
- K8S
- Docker
- JuiceFS
- HDFS
- Nacos
- Kafka
- MySQL
- Redis

## Projects
### Cloud-Edge-End Collaborative Resource Scheduling Framework
https://
Designed a resource scheduling framework for cloud-edge-end environments, optimizing resource distribution, data layout, and task demands to improve cluster resource utilization and task completion time for training and inference tasks.
### Wide-Area Compute-Storage Collaborative Scheduling Framework
https://
Constructed a task-data collaborative scheduling framework across multiple data centers, significantly improving overall system compute-storage resource utilization and task completion time.

## Source
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