I will build rest API or microservices with java spring boot

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heyther_blanco
H
heyther_blanco
Heyther

About this gig

I will build a robust backend using Java 17/21 and Spring Boot.


What you get:

  • RESTful, GraphQL, or gRPC API
  • Database integration with Spring Data JPA (PostgreSQL, MySQL, MongoDB)
  • Security with Spring Security (JWT, OAuth2)
  • Microservices with Spring Cloud (Eureka, Gateway, Config)
  • API documentation (Swagger / OpenAPI)


Services:

  • New API from scratch
  • Add features to existing Spring project
  • Migration to microservices


You receive production-ready code with clear documentation

Get to know Heyther

Heyther

Software Developer

  • FromColombia
  • Member sinceOct 2025
  • Avg. response time1 hour
  • Languages

    English, Spanish
I'm Heyther, a professional Software Developer with experience building scalable and secure web applications using Java (Spring Boot), .NET (C# / ASP NET Core), and Nodejs (Nest / Express). I specialize in microservices architectures, event-driven systems (Kafka, RabbitMQ, MQTT), and secure API design with REST, GraphQL, and gRPC. I apply modern engineering principles like Hexagonal, Clean, and Vertical Slicing architectures, and I’m comfortable deploying solutions on Docker, AWS, Azure, and Firebase. Whether you need a new backend from scratch, API integrations, or help improving.

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