Mid/ Senior Java Backend Developer

Jit Team is a Polish IT company employing over 770 experts and delivering innovative IT solutions globally. They have a strong focus on social and educational initiatives, supporting schools, universities, hospitals, and charitable organizations. The client is a leading Polish bank with a broad portfolio of financial services, known for technological innovations like biometric verification and mobile applications.

• Minimum 5 years of commercial experience programming in Java 8/11/17
• Minimum 2 years of experience with Spring Boot
• Practical knowledge of Oracle, Elasticsearch, and Kafka
• Experience with Tomcat, Netty, Hazelcast, and Ehcache
• Familiarity with the Spring ecosystem and technologies supporting microservices
• Experience with Docker and Kubernetes
• Knowledge of security topics: PKI, JWT, digital signatures, TLS/mTLS
• Experience with tools Git/Gerrit, Maven, Jira, IntelliJ, and CI/CD processes
• Familiarity with monitoring and observability tools like Prometheus, Grafana, Sentry, and Loki

• Designing, developing, and maintaining backend applications based on Java and Spring Boot
• Creating and developing microservices and APIs used by mobile applications
• Integrating systems using Apache Kafka and Kafka Streams
• Cooperating in implementing solutions based on Docker and Kubernetes
• Ensuring code quality, testing, and application performance optimization
• Collaborating with analytical, business, and development teams
• Participating in CI/CD processes and monitoring production environments
• Implementing and maintaining security mechanisms according to banking requirements