Location: Remote (Madrid-based)
Language: English (Professional Working Proficiency)
Project: TradeNxt
At Hays, we are partnering with a leading international company seeking a highly skilled Senior Backend Consultant to join a strategic TradeNxt project. This role is adecuado 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.
App

📌 Senior Backend Consultant (Castro)
🏢 Hays
📍 Castro