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Senior Java Developer

Permanentremote5+ yrs📍 Remote Poland, Poland, 🇵🇱 Poland🗣 English

Senior Java developer for financial services modernization and microservices migration.

Upgrade legacy Java applications to modern Spring Boot versions, refactor distributed systems toward cloud-ready stateless architectures, and implement event-driven integrations using Kafka in a low-latency financial environment. You'll collaborate with QA, DevOps, and architecture teams on migration strategies while ensuring system performance and resilience. Requires strong Java expertise, framework knowledge, security practices, and experience with dependency management and CI/CD pipelines.

Tech stack
JavaSpring BootHazelcastKafkaMavenGradleGitAWS
Rate
Not stated by the agency
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Found at a specialist agency · listed 8 September 2026 · InsideJobs links you to the original posting.