Senior Java Backend Developer — Microservices Expert

Amaris Consulting; Fatih; On-site; TRY 350,000 - 600,000; Full time

Job summary

Amaris Consulting is seeking a Senior Java Backend Developer to join our international team in Fatih, Istanbul. You will design, develop, and optimize scalable backend systems using Java 17/21 and Spring Boot, while contributing to microservice architectures and modernization projects.

You will work with messaging systems (RabbitMQ/Kafka), databases (Oracle/PostgreSQL), and caching systems, ensuring high performance, scalability, and code quality.

Qualifications

• 7+ years of experience in Java backend development.
• Strong knowledge of Spring Boot and microservices.
• Experience with messaging systems (RabbitMQ/Kafka).
• Familiarity with databases (Oracle, PostgreSQL) and caching systems.
• Experience in CI/CD pipelines and code quality practices.
• Solid understanding of concurrency, transactions, and performance optimization.
• Fluent in Turkish and English.
• Strong analytical thinking and communication skills.

Responsibilities

• Develop and maintain backend applications using Java 17/21 & Spring Boot.
• Design and implement microservice architectures.
• Work with RabbitMQ/Kafka, Redis/Couchbase, and Oracle/PostgreSQL.
• Contribute to system modernization and transformation projects.
• Ensure high performance, scalability, and code quality.
• Participate in CI/CD processes and use tools like SonarQube.
• Make architectural decisions and optimize application performance.

Skills

Java

Spring Boot

Microservices

RabbitMQ

Kafka

Oracle

PostgreSQL

CI/CD

Code quality

Concurrency

Transactions

Performance optimization

Turkish

English

Analytical thinking

Communication skills

Tools

Oracle

PostgreSQL

Redis

Couchbase

Job description

Amaris Consulting is seeking a Senior Java Backend Developer to join our international team in Fatih, Istanbul. You will design, develop, and optimize scalable backend systems using Java 17/21 and Spring Boot, while contributing to microservice architectures and modernization projects.

You will work with messaging systems (RabbitMQ/Kafka), databases (Oracle/PostgreSQL), and caching systems, ensuring high performance, scalability, and code quality.