Senior Java Developer

Project overview

Salary: 1200–1360 PLN/MD (B2B)

Nice to have

Technologies you will work with

Client – why choose this client from the JIT portfolio?

Our Client is an undisputed leader in insurance services in Poland. It specializes mainly in property and personal insurance.

The company employs over 1000 IT professionals. It offers not only a wide range of insurance products but also deals with debt collection and customer support in financial obligation repayment.

Thanks to many years of experience in the insurance industry, the client regularly introduces changes to its systems, aiming to increase service efficiency and use modern IT solutions. As a responsible and innovative company, it constantly develops and adapts to the dynamically changing market.

About Jit Team

The Human factor of IT - this is not just a slogan, it's a philosophy. The foundation of Jit Team is people, which is why we treat you as a priority. We employ over 770 experienced experts, to whom we offer development projects, a wide range of benefits, and an original professional development program. Together with clients from all over the world, we create innovative IT solutions, delivered by highly specialized and effective teams.

Behind our motto are also charitable and educational activities. We support schools, universities, and educational institutions – by conducting classes, educational projects, sponsoring events, or donating equipment for learning. We offer internships to enable starting a career in IT. We support water rescuers and hospitals by providing necessary equipment. We also support numerous charitable organizations helping the poor, children, and the elderly. We are a Polish company and we share what we have achieved over 15 years of operation. By supporting local initiatives, we care about the circulation of good energy.

• Experience in using AI agents and Agentic AI tools.
• Experience in designing or implementing cloud solutions.
• Knowledge of the Angular framework and experience in frontend application development.
• Java
• Spring Boot
• Spring Cloud
• Apache Kafka
• Hibernate
• SQL
• BPMN
• Containerization technologies
• AI and Agentic AI tools
• Cloud solutions

Project details

Warsaw (hybrid model, min. 1 day per week from the office)

Why choose this offer?

Project

The project includes the implementation and development of a fraud detection system for the claims settlement area. The team works on building and developing integration solutions, implementing new functionalities, and ensuring high system quality and reliability. An important element of the project is the use of modern engineering practices, microservice architecture, and AI tools supporting software analysis, design, implementation, and maintenance.

Scope of Responsibilities

Expected Competencies and Experience

• Participation in a strategic project for the implementation and development of a fraud detection system for the claims settlement area.
• Real impact on the architecture and development of a modern platform supporting key business processes.
• International project environment and cooperation with experienced technology teams.
• Work for a market leader in the insurance industry in Poland, developing modern IT solutions for millions of customers and constantly investing in technological transformation.
• Participation in the implementation and development of a fraud detection system for the claims settlement area.
• Analysis of business and technical requirements and their implementation using configuration, product extensions, and dedicated components.
• Design, implementation, and maintenance of integrations between the claims system and internal/external systems.
• Creation of solutions using APIs, events, integration services, and enterprise architecture patterns.
• Analysis of requirements, solution design, bug fixing, and implementation of development changes.
• Participation in planning future product versions and recommending optimal technological solutions.
• Design of solutions considering functional, non-functional, performance, security, and maintenance requirements.
• Support for data migration processes and environment integration.
• Development of automated tests and participation in integration and system tests.
• Active use of AI tools and the Agentic AI approach in the software development process.
• Participation in code reviews, configuration reviews, and integration solution reviews.
• Cooperation with business, architectural, integration, and testing teams, as well as the system vendor.
• Participation in Scrum events and co-creation of implementation and integration standards.
• Minimum 5 years of commercial experience in Java programming.
• Very good knowledge of Spring, Spring Boot, Spring Cloud, and Hibernate.
• Practical knowledge of Apache Kafka.
• Minimum 5 years of experience working with SQL.
• Experience in ensuring software quality and knowledge of testing frameworks (JUnit, TestNG, Spock).
• Knowledge of integration tests and tools such as Testcontainers and WireMock.
• Experience working according to Domain-Driven Design (DDD) principles.
• Knowledge of Object-Oriented Programming (OOP) and Functional Programming (FP) paradigms.
• Experience in application containerization.
• Knowledge of process engines and BPMN notation.
• Knowledge of resilience patterns for distributed systems.
• Ability to use AI tools in the software development process.
• Knowledge of tools for application performance diagnostics and analysis.
• Start: flexible
• Remote: hybrid
• Location: Warszawa, ., PL
• Rate: 150-170 EUR/h
• Languages: Polish