Senior Backend Consultant | Remote (Madrid)

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 ideal 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 Requirements Candidates 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.

Mandatory Requirements Candidates 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., 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.