Senior Java Developer

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

As a recruitment company, DCG understands that every business is powered by experienced professionals. Our management style and partnership approach enable us to meet your needs and provide continuous support. Due to our ongoing growth and the large number of recruitment projects we undertake for our partners, we are currently looking for:

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

Requirements:

• 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

Nice to have:

• Familiarity with NoSQL databases
• Experience with Redis
• Hands‑on experience with containers on Kubernetes
• Knowledge of AWS PaaS services, such as AWS Lambda

Offer:

• Private medical care
• Co‑financing for the sports card
• Constant support of dedicated consultant