Location: Remote (Madrid-based)Language: English (Professional Working Proficiency)At Hays, we are partnering with a leading international company seeking a highly skilled Senior Backend Consultant to join a strategic project. This role is idóneo for professionals with strong expertise in backend development, event-driven architectures, cloud technologies, and data integration.Key Responsibilities- Design, develop, and maintain scalable backend applications and services.- Build and optimize real-time data processing solutions using Kafka Streams and DMS Streaming.- Develop high-quality microservices using Java Spring Boot.- Integrate applications and third-party systems through APIs.- Collaborate with cross-functional teams in an agile environment.- Contribute to cloud-native solutions hosted on AWS.- Support data analytics and reporting initiatives involving Databricks and Power BI.- Ensure best practices in version control, containerization,
and deployment processes.Mandatory RequirementsCandidates must meet all the following requirements and have proven hands-on experience:- Strong experience with DMS Streaming and Kafka Streams.- Solid development experience with Java Spring Boot.- Experience integrating and consuming APIs.- Experience working with AWS cloud environments.- Knowledge of Databricks and Power BI.- Experience with GitHub and Docker.- Kafka Certification (mandatory).- Professional level of English.Nice to Have- Experience with scheduling and workload automation tools, particularly Control-M.What We Offer- 100% remote working model.- Opportunity to work on a high-impact international project.- Collaborative and innovative environment.- Exposure to cutting-edge technologies and modern cloud architectures.- Long-term professional growth opportunities.If you have a strong background in backend development, event streaming technologies, and cloud environments, and you hold a Kafka certification, we would love to hear from you.Apply now and become part of a dynamic team delivering innovative solutions within the TradeNxt ecosystem.