Java Developer

Quick Facts

• Role: Java Developer

• Work model: Hybrid (Warsaw)

Description

You will help develop and maintain a modern microservices platform for detecting frauds. The role focuses on building and evolving integrations between systems using APIs and Apache Kafka, selecting technical solutions based on requirements, and contributing to quality through code reviews and automated tests. You’ll also use AI/Agentic AI tools across multiple stages of the software development lifecycle.

Responsibilities

• Develop a fraud detection system within a claims-handling platform

• Design and build integrations between systems using APIs, Kafka, and integration services

• Analyze requirements and choose optimal technical solutions

• Build and maintain microservices-based applications

• Apply AI and Agentic AI tools during the software development process

• Participate in code review, automated tests, and continuous improvement of coding standards

• Collaborate with an international Agile team

Requirements

• Minimum 5 years of Java development experience

• Very good knowledge of Spring, Spring Boot, Spring Cloud, Hibernate, and SQL

• Experience with Apache Kafka and distributed systems

• Knowledge of DDD and ability to apply it in practice

• Knowledge of object-oriented and functional programming

• Experience with containerization plus designing/developing integrations

• Knowledge of process engines and BPMN

• Ability to design resilient (fault-tolerant) solutions

• Knowledge of tools for unit/integration testing and performance diagnostics

• Ability to use AI tools in daily coding work

• Fluent English

Benefits

• Social benefits: medical care, group insurance, sports card

• Competitive compensation

• Work with Java, Spring, Spring Boot, Spring Cloud, Hibernate, and Apache Kafka

• Excellent working atmosphere

• Opportunity to grow through interesting, complex projects in an Agile international team