I will optimize springboot, postgresql, and ditributed system

B
beon_hogl
B
beon_hogl
YaoQingDong
optimize springboot, postgresql, and ditributed system
Full Screen
optimize springboot, postgresql, and ditributed system

About this gig

Are you looking for a high-performance Java backend that can handle high-concurrency and complex distributed systems?

I am a senior Java developer with 10+ years of experience in Spring Boot, PostgreSQL/MySQL, Redis, ElasticSearch, and distributed system design. I specialize in:

  • Building scalable microservices and robust backend architectures
  • Optimizing database performance (MySQL/InnoDB, queries, indexing, caching)
  • Handling high-load systems and ensuring data consistency
  • Implementing secure, maintainable, and efficient code for production

By hiring me, you get a reliable, professional, and result-oriented backend solution that fits your business needs.

I also provide consultation and optimization for existing systems. Let's improve your backend performance together!

Why choose me?

  • 10+ years enterprise-level backend experience
  • Proven high-concurrency and distributed system solutions
  • Fast response and long-term support

  • Vibe coding platform

    • Lovable

  • Target platform

    • Website

  • Design fidelity

    • Full branding & style guide

  • Deployment environment

    • AWS
    • GCP
    • Azure
    • Cloudflare
    • GitHub Pages

Get to know YaoQingDong

YaoQingDong

Spring, Django, FastAPI, Scrapy

  • FromChina
  • Member sinceMay 2025
  • Avg. response time1 day

  • Languages

    English, Chinese
🧠 Expertise includes: Java (Spring Boot), Python (Django, FastAPI), React & Vue frontend, REST APIs, and large‑scale database design with PostgreSQL, MySQL, Redis, and Elasticsearch. I’m also experienced in CI/CD pipelines (GitLab/GitHub, Jenkins), Docker, and Kubernetes for automated deployment and scalable infrastructure. 🚀 I focus on clear communication, efficient delivery, and solving your technical challenges — from backend services to full product stacks. Let’s discuss your project and see how I can help you ship faster and sustainably. 📩 Contact me now to discuss your requirements!

My Portfolio

Related tags