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Senior Java Developer

Freelanceremote⏱ > 12 months + extension5+ yrs📍 Poland, 🇵🇱 Poland🗣 Polish

Senior Java developer for financial domain systems, remote B2B contract in Poland.

Build and maintain backend transaction systems for a newly formed investment-focused team in the banking sector. You'll architect domain-driven solutions using modern Java stack (21+, Spring Boot, Hibernate), integrate with message brokers, optimize PostgreSQL workloads, and ensure system reliability through comprehensive testing and monitoring. Requires 5+ years Java commercial experience, strong understanding of DDD patterns, and familiarity with financial-grade tooling (ELK, Dynatrace, CI/CD pipelines).

Tech stack
Java 21Spring Boot 3HibernatePostgreSQLRabbitMQKafkaJUnit 5Mockito
Rate
Not stated by the agency
via

Found at a specialist agency · listed 3 October 2026 · InsideJobs links you to the original posting.