chengjin

@jin_kotlin_dev

Backend Dev Kotlin, Spring Boot, PostgreSQL

China

English

About me

15+ years in JVM backend. Specialize in Kotlin, Spring Boot, quarkus, PostgreSQL and API optimization. Deliver clean, documented code with fast replies and on-time delivery.... Read more

Skills

PostgreSQL expert
Spring Boot expert
Kotlin expert

chengjin

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See my services

Full Stack Web Applications

I will build and fix backend systems with kotlin spring boot go

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chengjin