Job Title: Backend DeveloperLocation: Katowice (Should visit Krakow once in a week)Employment Type: About Hirexa Solutions:Hirexa Solutions is a leading player in the recruitment ecosystem across the United States, United Kingdom, Europe, and India. As the fastest-growing next-generation provider of technology talent, we empower our clients to become resourceful, achieve higher productivity, adopt agile structures, and effectively execute project deliverables.Envisioned and co-founded by veterans of the Information Technology industry, our mission is to make recruitment efficient, flawless, and cost-effective. Our unwavering commitment to strategic investments in intelligent technology underscores our passion for people and our dedication to helping organizations realize their true potential. Position Overview:For one of our partners, we are seeking Backend Developers who will be responsible for Java Development, REST API & GraphQL Schema design. The ideal candidate will possess the necessary skills and experience to contribute to the success of our partner organization.  Experience in Java8/11/17 Experience in REST API Design Experience in GraphQL Schema Design Experience with NoSQL Data Modeling (Azure Cosmos NoSQL) Experience in Data Streaming (Confluent Kafka) Experience with Spring Boot, Spring Batch, Spring Cloud Hands-on experience in Authentication and Authorization (OAuth 2.0, MSFT EntraID) Familiar with Azure Cloud Services (App Services, Azure Monitor, API Management, etc) Any AI Skills are preferred How to Apply:If you are interested in this opportunity, please submit your resume. We look forward to hearing from you!