I will optimize springboot, postgresql, and ditributed system

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YaoQingDong
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optimize springboot, postgresql, and ditributed system
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optimize springboot, postgresql, and ditributed system

À propos de ce service

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

  • Plateforme de vibe coding

    • Lovable

  • Plate-forme cible

    • Site Internet

  • Fidélité du design

    • Guide complet d'image de marque et de style

  • Environnement de déploiement

    • AWS
    • GCP
    • Azure
    • Cloudflare
    • Pages GitHub

Découvrez YaoQingDong

YaoQingDong

Spring, Django, FastAPI, Scrapy

  • DeChine
  • Membre depuismai 2025
  • Temps de réponse moy.1 jour

  • Langues

    Chinois, Anglais
🧠 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!

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