Senior Java Consultant with Kafka

Type of contract: B2B contract Salary range: 125-160 PLN/H What will you do? You will work as part of a global engineering team on a high-performance, real-time platform, contributing to the development and evolution of backend services. Your role will involve building scalable solutions, collaborating closely with business stakeholders and engineers, and supporting the migration of existing systems to a modern cloud-based environment while following best practices in agile and DevOps. Your tasks Develop new features for the platform Work closely with product owners and traders to understand business requirements Automate regression testing for newly delivered software Deploy multiple software packages to production frequently Take collective ownership of production availability and service reliability Review code changes prepared by other team members Contribute to continuous improvement of development and delivery practices Requirements At least 4 years of hands-on experience in Java development Experience with cloud technologies such as GCP and Terraform Good understanding of TDD and CI/CD practices Experience with Git, Gradle, TeamCity and GitHub Experience with Apache Kafka and Kafka Streams Openness to work hybrid from our client's office (Kraków or Warszawa) 8 days a month. We invite to apply candidates from other locations who are willing to work 2-3 days a month from our client's office in Kraków Nice to have Experience with REST, messaging technologies and JVM performance tuning Experience with MongoDB Interest in the Equity or Equity Derivatives trading domain Knowledge of trading or risk analysis systems