Senior Backend Engineer - FinTech, Spring Boot & Cloud

DT One is seeking a Senior Software Engineer in Barcelona. The candidate will design and maintain Spring Boot services in Java/Kotlin, build API integrations, and improve backend service reliability. Strong skills in Spring Boot, Java/Kotlin, and familiarity with AWS and CI/CD workflows are essential. Benefits include a competitive compensation package, private health insurance, a flexible working policy, and 25+ annual leave days. Join a dynamic team and make a substantial impact in the FinTech sector.
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