Senior Java Engineer - Real-Time Fraud & Microservices

Diverse CG Sp. z o.o. Sp.k.; Województwo pomorskie; Hybrid; PLN 120,000 - 180,000; Full time

Benefits offered by this job

Private medical care

Co-financing for sports card

Dedicated consultant

Job summary

Diverse CG Sp. z o.o. Sp.k. is seeking an experienced backend developer to build and maintain server-side Java applications in the Fraud Management domain. You will work in a Scrum team, helping design scalable solutions and maintainable code, while contributing to near real-time data pipelines.

The role requires strong Java/Spring Boot, REST/SOAP, Kafka, and SQL skills, plus hands-on microservices experience and performance profiling. English fluency is essential for collaboration across teams.

Qualifications

• Strong server-side Java development experience in Fraud Management domain.
• Experience with Java, Spring Boot, and Web Services (SOAP/REST).
• Proven ability to perform profiling and performance optimization.
• Hands-on with microservices and integration patterns.
• Experience with messaging technologies, particularly Apache Kafka.
• Strong knowledge of relational databases and SQL (Oracle or similar).
• Very good command of English, both spoken and written.

Responsibilities

• Develop server-side applications within the Fraud Management domain.
• Collaborate with developers in a Scrum team.
• Contribute to solution design and maintainability of applications.
• Build and maintain near real-time data pipelines.
• Clarify requirements with Product Owners and stakeholders.
• Collaborate with engineers across teams.
• Document designs and technical solutions.

Skills

Java development

Spring Boot

Web Services (SOAP/REST)

Performance analysis

Profiling

Microservices

Apache Kafka

SQL

English proficiency

Tools

Kubernetes

Redis

AWS Lambda

Job description

Diverse CG Sp. z o.o. Sp.k. is seeking an experienced backend developer to build and maintain server-side Java applications in the Fraud Management domain. You will work in a Scrum team, helping design scalable solutions and maintainable code, while contributing to near real-time data pipelines.

The role requires strong Java/Spring Boot, REST/SOAP, Kafka, and SQL skills, plus hands-on microservices experience and performance profiling. English fluency is essential for collaboration across teams.