Mid-Level Java Developer

Quick Facts

• Role: Mid-Level Java Developer

• Work mode: Hybrid (1 day/week in Warsaw office)

• Contract: Long-term

Description

Join a team building modern, high-scale systems for customer support, business process automation, and data/AI analytics in the financial services domain. You will develop a new fraud detection system, collaborating with business analysts, data scientists, testers, and developers.

Responsibilities

• Develop and maintain microservices-based applications

• Design and implement APIs and integrations between systems

• Build efficient, scalable backend solutions

• Participate in technical solution design and requirements analysis

• Write unit and integration tests

• Take part in code reviews and ensure code quality

• Work in an Agile/Scrum environment

• Use modern AI tools to support software development

Requirements

• Minimum 5 years of commercial experience in Java

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

• Minimum 3 years of experience with Apache Kafka

• Good knowledge of SQL

• Experience in creating and testing backend applications

• Knowledge of unit and integration tests (JUnit, TestNG, Spock, Testcontainers, WireMock)

• Experience with distributed systems and microservices architecture

• Knowledge of application containerization

• Knowledge of BPMN and process engines

• Basic knowledge of Angular

• Ability to use AI development support tools

• Availability for hybrid work (1 day/week in Warsaw office)

Benefits

• Long-term collaboration

• Strategic project with real business impact at scale

• Private medical care (Lux Med)

• Multisport sports card

• Work with an experienced team of experts

• Opportunity to grow in modern technologies, AI, and microservices architecture