Java Backend Developer

Java Backend Developer

Work Location - Cracow / Wroclaw ( 3days/week onsite)

B2B Contract ( 6 months to start with)

Required skills and experience -

Strong experience in Java and Spring Boot, including Spring Batch and Spring Cloud, and building microservices.

Proficiency in REST API and GraphQL schema design.

Experience with NoSQL data modelling, such as Azure Cosmos DB; data streaming, such as Confluent Kafka; and authentication/authorization protocols, including OAuth 2.0 and Microsoft Entra ID.

Familiarity with Azure Cloud Services, including App Services, Azure Monitor, and API Management.

Collaborative communication skills: able to express ideas clearly in English and adapt technical content for diverse audiences while working closely with product managers, designers, and engineers in agile settings.

Strong commitment to quality, maintainability, documentation, and continuous learning.

AI-related skills, such as Spring AI or LangChain, are a strong plus.