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Software Engineer (Java/Kotlin/Scala)

Freelanceremote6 months + extension5+ yrs📍 Poland, 🇵🇱 Poland🗣 English

Senior JVM engineer for fintech platform handling complex financial transactions.

Build core backend services for a production-grade financial technology platform serving major institutions. You'll design and implement resilient, distributed systems handling real-time transactions, work with message-driven architectures, and contribute to components built with modern JVM technologies including Kotlin and Distributed Ledger Technology. The role requires strong Java expertise, deep understanding of system design and concurrency, and willingness to participate in occasional on-call support.

Tech stack
JavaKotlinSpring BootActiveMQKubernetesDockerGradleCanton/Daml
Rate
Not stated by the agency
via

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Found at a specialist agency · listed 5 September 2026 · InsideJobs links you to the original posting.