I will java, spring boot, spring cloud, microservices, rest API, mqtt, dubbo

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wangqi
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java, spring boot, spring cloud, microservices, rest API, mqtt, dubbo
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java, spring boot, spring cloud, microservices, rest API, mqtt, dubbo
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Plein écran
java, spring boot, spring cloud, microservices, rest API, mqtt, dubbojava, spring boot, spring cloud, microservices, rest API, mqtt, dubbojava, spring boot, spring cloud, microservices, rest API, mqtt, dubbo

À propos de ce service

Struggling with a Spring Boot bug, a failing API integration, or slow SQL queries?

I'm a Java backend developer with 10+ years of experience building and fixing enterprise systems. I specialize in:

  1. Bug fixing Spring Boot, JPA/MyBatis, MQTT, Kafka
  2. REST API development & integration Spring Cloud, OpenFeign, third-party platforms
  3. SQL optimization MySQL/Oracle query tuning, index design
  4. Redis caching & distributed locks performance bottlenecks resolved

I've delivered backend systems for smart construction, healthcare, finance, and government platforms, including high-concurrency IoT data pipelines and multi-platform reporting middleware.

Written communication is supported by AI tools you describe the problem clearly, I deliver a working solution with clear documentation.

Message me before ordering if your issue needs a quick scope check. Let's get it fixed.

  • Langage de programmation

    • Java

Découvrez wangqi

wangqi

Java Backend Developer Spring Boot Microservices API Integration

  • DeChine
  • Membre depuisoct. 2026

  • Langues

    Chinois
Senior Java Backend Developer with 10+ years of experience in enterprise systems, microservices, and data integration. I help clients build, fix, and scale reliable backend services. What I offer: • Spring Boot/Cloud microservices & REST APIs • Bug fixing, SQL tuning, performance optimization • MQTT/Kafka/IoT data integration & government/third-party reporting • Redis, MySQL/Oracle, ShardingSphere, XXL-JOB, Seata I use AI tools to speed up delivery and ensure clear written communication.

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