李辉阳

Backend Engineer | Distributed Systems Specialist

Beijing, CN.

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

Beijing Xinghan Future Network Technology Co., Ltd.

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Backend Development Engineer, Architecture Department

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Summary

Contributed to backend development and architectural design, focusing on AI application services and general SaaS platform features.

Highlights

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.

Beijing Kuaishou Technology Co., Ltd.

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Backend Development Engineer, R&D Efficiency

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Summary

Developed internal API management platform to significantly enhance R&D efficiency and streamline development workflows.

Highlights

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.

Alibaba Group

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Backend Development Engineer, ICBU - Infrastructure Architecture Team

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Summary

Participated in a key batch application refactoring project to modernize legacy systems and support new DevOps initiatives.

Highlights

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

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Master Computer Technology Grade: GPA 90/100 (Top 50%)

Courses

Cluster Resource Scheduling

Distributed Systems

Nanjing University of Aeronautics and Astronautics

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Bachelor Computer Science Grade: GPA 92/100 (Top 3%)

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

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Summary

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

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Summary

Constructed a task-data collaborative scheduling framework across multiple data centers, significantly improving overall system compute-storage resource utilization and task completion time.