h
huang_felix

felix

@huang_felix

hello

China
About me
As a Java backend engineer, I focus on building and optimizing high-performance backend systems with experience in JVM tuning, MySQL optimization (MVCC and indexing), and Redis-based caching and distributed design. I actively improve system efficiency in production, optimizing data processing flows and query performance in high-concurrency scenarios to enhance response time and throughput. Recently, I have been exploring AI Agent systems and RAG architectures, focusing on vector storage, retrieval optimization, and knowledge base performance improvement for real-world applications.... Read more

Skills

h
huang_felix
felix
Offline • 
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See my services

Custom Websites
I will java spring boot rest API mysql redis kafka web
From$80 / projectMore details

Work experience

KPMG

KPMG

KPMG • Full-time

Jan 2026 - Present • 6 mos

Participating in the development and optimization of backend services, focusing on improving the performance and stability of cloud-based Java applications. Assisting in the design and implementation of data processing logic, ensuring efficient interaction with distributed storage systems and databases. Collaborating on code refactoring and performance tuning for existing Java modules, adhering to best practices in coding standards and design patterns. Analyzing system logs and performance metrics to identify potential bottlenecks in service response time and contributing to technical troubleshooting efforts.