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
Tela Inteira
Tela Inteira
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

Sobre este Serviço

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.

  • Linguagem de programação

    • JAVA

Conheça mais sobre wangqi

wangqi

Java Backend Developer Spring Boot Microservices API Integration

  • A partir deChina
  • Membro desdeout. de 2026

  • Idiomas

    Chinês
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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