Senior Java Backend Engineer (Microservices & Kafka)

DCG Poland; Województwo pomorskie; On-site; PLN 90,000 - 140,000; Full time

Benefits offered by this job

Private medical care

Co-financing for the sports card

Constant support of dedicated consult

Job summary

DCG Poland is looking for a skilled Java Backend Developer to join our client’s Fraud Management team. You will develop server-side applications, design solutions, and build near real-time data pipelines in a Scrum setting.

You’ll work with Spring Boot, SOAP/REST Web Services, Kafka, and relational databases, ensure performance, and collaborate across teams. English proficiency is required; knowledge of Kubernetes and AWS Lambda is a plus.

Qualifications

• Strong experience in server-side Java development, including Java, Spring Boot, and Web Services (SOAP/REST).
• Proven experience with performance analysis, profiling, and optimization.
• Hands-on experience with microservices and integration patterns.
• Practical 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 application maintainability.
• 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

Spring Boot

Web Services (SOAP/REST)

Performance analysis

Profiling

Microservices

Kafka

SQL/Oracle

English (written & spoken)

Scrum

Tools

Apache Kafka

Redis

Kubernetes

AWS Lambda

Job description

DCG Poland is looking for a skilled Java Backend Developer to join our client’s Fraud Management team. You will develop server-side applications, design solutions, and build near real-time data pipelines in a Scrum setting.

You’ll work with Spring Boot, SOAP/REST Web Services, Kafka, and relational databases, ensure performance, and collaborate across teams. English proficiency is required; knowledge of Kubernetes and AWS Lambda is a plus.