Senior Java Developer: Real-Time Fraud & Microservices

DCG Poland; Województwo pomorskie; Hybrid; PLN 180,000 - 240,000; Full time

Benefits offered by this job

Private medical care

Co-financing for the sports card

Dedicated consultant support

Job summary

DCG Poland is seeking a skilled back-end developer to join our client projects in the Fraud Management domain. You will develop server-side Java applications, participate in Scrum teams and contribute to design and data pipelines.

Ideal candidates have strong Java/Spring Boot, Kafka, SQL and English proficiency, plus experience with microservices and modern integration patterns. This is an on-site role in Poland with supportive consultants.

Qualifications

• Proven server-side Java development experience (Java, Spring Boot, SOAP/REST).
• Experience with performance analysis, profiling and optimization.
• Hands-on experience with microservices and integration patterns.
• Practical experience with messaging technologies, especially 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

Microservices

Kafka

SQL/Oracle

English

Job description

DCG Poland is seeking a skilled back-end developer to join our client projects in the Fraud Management domain. You will develop server-side Java applications, participate in Scrum teams and contribute to design and data pipelines.

Ideal candidates have strong Java/Spring Boot, Kafka, SQL and English proficiency, plus experience with microservices and modern integration patterns. This is an on-site role in Poland with supportive consultants.