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Java Developer (Hybrid)

Amaris
Belgium
11 days ago

Role details

Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Experience level
Expert
Experience required
7 years minimum
Working hours
Regular working hours
Languages
English, Turkish
Job source
careers.mantu.com

Tech stack

Java (Programming Language) Application Performance Management Software Quality Databases Continuous Integration Couchbase Servers PostgreSQL Enterprise Messaging Systems Oracle (Applications) Performance Tuning RabbitMQ Redis
+6 more
SonarQube Spring-boot Caching Backend Apache Kafka Microservices

Job description

We are looking for a Senior Java Backend Developer to join our international team and contribute to the design, development, and optimization of scalable backend systems., * 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

Requirements

  • 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

If you’re passionate about Java, microservices, and building scalable systems, we’d love to hear from you!

Apply for this position

This job is hosted externally. Click below to view the full posting and apply.

Apply on careers.mantu.com

Good distractions

Talks and stories from around this role — technically off-topic, practically not.

Moments

Explore playlists

4:36 min

Hiring passionate software engineers to tackle unprecedented scaling challenges

Dana Lawson Dana Lawson +1 · WWC Europe 2026

3:55 min

Demonstrating semantic routing thresholds with the Redis vector library

1:52 min

Structuring and scaling the backend engineering team

Stefan Lingler Stefan Lingler +1 · Coffee With Developers

3:15 min

Reversing the caching model for artifact delivery

Thijs Feryn Thijs Feryn · WWC Europe 2026

3:42 min

Comparing in-memory and Redis storage for cache scalability

Simone Sanfratello · WWC 2022

1:38 min

Transitioning into backend engineering from web development

Stefan Lingler Stefan Lingler +1 · Coffee With Developers

Videos

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Reducing LLM Calls with Vector Search Patterns - Raphael De Lio (Redis) thumbnail
34:39
12 months ago

Reducing LLM Calls with Vector Search Patterns - Raphael De Lio (Redis)

Developing the Backend with Stefan Lingler, CTO at Shpock thumbnail
24:02
Coffee With Developers • about 8 years ago

Developing the Backend with Stefan Lingler, CTO at Shpock

Stefan Lingler, Thomas Pamminger

HTTP headers that make your website go faster thumbnail
30:27
WWC 2025 • 12 months ago

HTTP headers that make your website go faster

Thijs Feryn

Database Magic behind 40 Million operations/s thumbnail
24:22
WWC 2023 • almost 3 years ago

Database Magic behind 40 Million operations/s

Jürgen Pilz

Event based cache invalidation in GraphQL thumbnail
36:58
WWC 2022 • about 4 years ago

Event based cache invalidation in GraphQL

Simone Sanfratello

Accelerating Authentication Architecture: Taking Passwordless to the Next Level thumbnail
49:52
LIVE • almost 3 years ago

Accelerating Authentication Architecture: Taking Passwordless to the Next Level

Yedidya Schwartz

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