Senior Java Backend Engineer | Hybrid, Banking Microservices

Avenga; Polska; Híbrido; PLN 240 000 - 360 000; Tempo integral

Resumo da oferta

Avenga is seeking a Senior Java Backend Developer for a long-term project in the Polish banking sector. You will work on large-scale backend solutions, focusing on distributed systems, microservices, and API design. The role is hybrid with 1 day per week in the office across Warsaw, Łódź, Gdańsk, Wrocław, Poznań, Kraków, Lublin and Szczecin.

You’ll work with Java, Spring Boot, Hibernate, SQL databases, REST APIs, and modern CI/CD pipelines. Polish language at B2+/C1 level is required.

Qualificações

• Strong commercial experience with Java, ideally Java 17/21.
• Strong knowledge of Spring Boot and the Spring ecosystem, including Spring MVC, Spring Data JPA and Spring Security.
• Experience with Hibernate / JPA.
• Good knowledge of SQL and relational databases (Oracle, PostgreSQL or MS SQL Server).
• Experience designing and developing REST APIs.
• Experience with messaging technologies such as Kafka, JMS or RabbitMQ.
• Hands-on experience with microservices.
• Experience with Docker and Kubernetes or OpenShift.
• Experience with Git, Maven or Gradle and CI/CD.
• Experience with unit and integration testing.
• Understanding of application security, scalability and high-availability systems.
• Fluent Polish.

Responsabilidades

• Design, develop and maintain backend services using Java and Spring.
• Design and evolve REST APIs and microservices.
• Develop synchronous and asynchronous integrations.
• Contribute to scalable, highly available and secure solutions.
• Write unit and integration tests and maintain high code quality.
• Participate in code reviews and technical discussions.
• Analyse logs, troubleshoot issues and continuously improve existing solutions.

Conhecimentos

Java

Spring Boot

Hibernate / JPA

SQL

REST APIs

Microservices

CI/CD

Ferramentas

Docker

Kubernetes/OpenShift

Git

Maven/Gradle

Descrição da oferta de emprego

Avenga is seeking a Senior Java Backend Developer for a long-term project in the Polish banking sector. You will work on large-scale backend solutions, focusing on distributed systems, microservices, and API design. The role is hybrid with 1 day per week in the office across Warsaw, Łódź, Gdańsk, Wrocław, Poznań, Kraków, Lublin and Szczecin.

You’ll work with Java, Spring Boot, Hibernate, SQL databases, REST APIs, and modern CI/CD pipelines. Polish language at B2+/C1 level is required.