June 16, 2026

Java Fullstack Developer – Insurance Claims

Mid • Hybrid

15,750 - 21,000 PLN

Warsaw, Poland

Build innovation at the heart of customer support—modernize claims technology and turn complexity into clarity!

Warsaw-based opportunity with hybrid work model.

As a Java Fullstack Developer, you will be working for our client, a leading player in the insurance industry dedicated to delivering exceptional post-sales support through technological excellence. You will contribute to optimizing claims processing and elevating customer satisfaction by developing cutting-edge software solutions that automate and streamline business processes—driving innovation and continuous improvement.

Your main responsibilities:

  • Develop and enhance software for the claims management domain, focusing on meeting business needs.

  • Implement, maintain, and document high-quality code in line with best practices.

  • Collaborate with cross-functional teams to ensure seamless integration and delivery.

  • Participate in code reviews, testing, and documentation to uphold software integrity.

  • Contribute to adopting architectural patterns such as DDD, CQRS, Hexagonal Architecture, and EDA.

  • Work with microservices, container orchestration (Kubernetes/K8s), and relational databases to build scalable solutions.

  • Apply Agile/Scrum practices within a dynamic team environment.

You're ideal for this role if you have:

  • Minimum 4 years of experience in Java programming (Java versions such as 8/11/17/21).

  • Basic experience or strong interest in Angular 14+.

  • Experience with Spring / Spring Boot.

  • Basic familiarity with microservices and Kubernetes.

  • Knowledge of Git, relational databases (Oracle/PostgreSQL), and testing frameworks such as JUnit, Spock, and Testcontainers.

  • Strong understanding of good programming practices.

  • Experience working with messaging systems and ability to build maintainable solutions.

  • Proven ability to work effectively in Agile teams.

It is a strong plus if you have: (optional)

  • Experience with additional architecture or integration patterns aligned with DDD/CQRS/EDA adoption.

Language Required for the role :

  • Polish — required

Eligibility for the role :

  • Only candidates with an existing legal right to work in the European Union will be considered for this role.

#MAKEYourCareerBETTER

  • Interested? Apply now and include your CV (preferably in English) along with a statement confirming your consent to the processing and storage of your personal data.

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Warsaw, Poland

900 - 1,100 PLN

🏢 Summary: Hybrid Java Fullstack Developer role focused on designing, developing and maintaining scalable, secure systems using modern Java stack and Kafka. The position involves system integration, performance optimization, CI/CD automation and containerized deployments. Work includes both backend and integration tasks in innovative projects. 🗂️ Requirements: Several years of experience with Java 17–21, Practical experience with SpringBoot 3.x, Hands-on experience with Kafka, Experience with Oracle SQL and Redis, Ability to optimize SQL queries and data structures, Experience with Git, Experience with CI/CD automation, Experience with Jenkins and GitLabCI, Experience with Maven, Experience with REST and SOAP services, Experience with Docker and Kubernetes, Proficiency with IntelliJ or VSCode, Experience with JIRA and Confluence, Knowledge of OWASP and application security practices 📃 Skills: Java, SpringBoot, Kafka, Oracle, SQL, Redis, Git, Jenkins, GitLabCI, Maven, REST, SOAP, Docker, Kubernetes, IntelliJ, VSCode, JIRA, Confluence, OWASP 🏢 Description: Opis stanowiska Do zespołu IT poszukujemy doświadczonego Java Fullstack Developera , który będzie odpowiedzialny za projektowanie, rozwój i utrzymanie systemów informatycznych, dbając o ich ciągłość działania, jakość i bezpieczeństwo. Oferujemy pracę hybrydową – 50% w biurze w Warszawie, 50% zdalnie , z udziałem w innowacyjnych projektach z użyciem Kafka i nowoczesnego stacku Java. Zakres obowiązków Projektowanie i wdrażanie wysokiej jakości, skalowalnych i bezpiecznych rozwiązań software’owych. Integracja systemów i konfiguracja oprogramowania zgodnie z wymaganiami biznesowymi. Optymalizacja istniejącego kodu oraz utrzymanie aktualnej dokumentacji technicznej. Wsparcie aplikacji oraz udział w rozwoju nowych funkcjonalności. Tworzenie strategii testów i wdrażanie narzędzi w różnych środowiskach. Udział w sieciach deweloperskich i rozwój własnych kompetencji technicznych. Wymagania Minimum kilkuletnie doświadczenie w tworzeniu aplikacji w Java 17–21 , z praktyczną znajomością frameworka SpringBoot 3.x . Doświadczenie w pracy z Kafka – projektowanie, wdrażanie i utrzymanie rozwiązań opartych na tej technologii. Znajomość systemów baz danych, w tym Oracle SQL i Redis , oraz umiejętność optymalizacji zapytań i struktur danych. Umiejętność pracy z systemami kontroli wersji ( Git ) oraz doświadczenie w automatyzacji procesów CI/CD przy użyciu Jenkins, GitLabCI i Maven . Praktyczna znajomość tworzenia i integracji usług sieciowych ( HTTP/REST, SOAP ) oraz wdrażania rozwiązań w kontenerach ( Docker, Kubernetes ). Biegłość w pracy w środowiskach programistycznych takich jak IntelliJ i VSCode . Doświadczenie w pracy z narzędziami do zarządzania projektami i dokumentacją ( JIRA, Confluence ). Świadomość zagadnień związanych z bezpieczeństwem aplikacji ( OWASP ) i dbanie o dobre praktyki w tym zakresie. Oferujemy Pracę w nowoczesnym, dynamicznym zespole IT. Możliwość pracy hybrydowej (50% w biurze, 50% zdalnie) . Udział w ciekawych projektach z użyciem Kafka i najnowszych technologii Java. Rozwój kompetencji technicznych i miękkich Atrakcyjne wynagrodzenie i pakiet benefitów (prywatna opieka medyczna, karta sportowa, szkolenia).