Senior Java Developer · B2B Contract

We are looking for a Senior Java Developer to join a fintech project focused on scalable backend systems, data integration, and event-driven architecture. The role involves developing Java / Spring Boot microservices and working with data streaming and/or Data Warehouse solutions.

Key Responsibilities:

• Design, develop, and maintain backend services using Java and Spring Boot.
• Build and support microservices and event-driven solutions.
• Work with messaging and data streaming tools such as Kafka, RabbitMQ, or similar technologies.
• Contribute to data integration, CDC, ETL/ELT, and/or DWH-related initiatives.
• Work with relational databases such as PostgreSQL, MS SQL Server, or similar.
• Collaborate with engineering, data, DevOps, and business teams.

Must-Have Requirements:

• Strong hands-on experience with Java and Spring Boot.
• Proven experience with microservices architecture.
• Hands-on experience with Kafka, RabbitMQ, or similar messaging/streaming technologies.
• Experience with data streaming and/or Data Warehouse / DWH projects.
• Good knowledge of relational databases (PostgreSQL, MS SQL Server, or similar).
• Fluent in English.

Nice to Have:

• Previous experience in fintech, banking, or financial systems.