I will design and build scalable spring boot apis in java or kotlin

A
aldinux
A
aldinux
Aldo Sinanaj

About this gig

Build production-grade backend systems with a senior engineer (10+ years experience)


Are you looking for a senior backend engineer who can design and build scalable, reliable APIs and microservices? I have 10+ years of experience working with Java, Kotlin, Spring Boot, and modern distributed architectures. I focus on clean, maintainable, and production-ready systems not just code that works.


What I offer?

  • Design and develop REST APIs using Spring Boot
  • Build microservices architectures from scratch
  • Implement event-driven systems with Kafka
  • Optimize performance and scalability of backend systems
  • Debug and fix complex backend issues
  • Integrate relational & NoSQL databases
  • Cloud-ready development (AWS / Azure)
  • Migrate legacy systems into new architecture

Get to know Aldo Sinanaj

Aldo Sinanaj

Software engineer, AWS certified

  • FromAlbania
  • Member sinceJan 2021
  • Avg. response time1 hour
  • Languages

    English, Albanian, Italian
Seasoned backend developer with over 10 years of experience. I have contributed in designing and implementing event-driven and REST-based microservices on Kubernetes, utilising Spring Boot, Spring Framework, Spring Cloud, Kafka and Postgres. In the last four years, I have been focused on AWS cloud native development - serverless architecture. I have built a wide range of TypeScript and JavaScript Nodejs microservices and workflows, utilising API-Gateway, Lambda, DynamoDB, S3, Step Functions, EventBridge, SNS, SQS, Amazon Kinesis, Amazon Cognito and more. Also open for hourly based work.