Senior Java Developer

XTB is a global company from the financial industry, focusing on online trading of financial instruments. It is the largest FinTech in Poland and a leader in Central and Eastern Europe, operating in several countries including Asia and South America. The company offers training and development programs and operates in an international business environment.

• Hands-on expertise in Java 17+ and Micronaut for microservices development.
• Experience with Rancher (Kubernetes) deployment across multiple data centers.
• Knowledge of inter-service communication via gRPC.
• Experience with asynchronous communication technologies such as Kafka, Pulsar, RabbitMQ, and Chronicle.
• Familiarity with data storage technologies including PostgreSQL, MongoDB, and Redis.
• Experience with production monitoring tools like Prometheus, Grafana, OpenSearch, and Opsgenie.
• Testing experience using JUnit and Testcontainers.
• Development using IntelliJ IDEA with GitHub Copilot support.
• Source code management with GitLab and CI/CD with GitLab CI.
• Task tracking with Jira and documentation in Confluence.
• Use of Google Workspace tools: Gmail, Drive, Docs, Meet, and Chat.
• Experience working in a Scrum environment with a focus on effective team collaboration.
• Ability to develop high-performance systems processing massive volumes of data with minimal latency.
• Emphasis on high availability and scalability to support global user investments.

• Strong experience in building Java-based microservices, including designing, implementing, and evolving microservices with an understanding of scalability and performance challenges.
• Ability to deliver according to requirements by translating business analysis into technical solutions while ensuring compliance with requirements and deadlines.
• Ownership and proactivity in taking responsibility for assigned tasks, identifying risks, and proposing solutions to ensure successful project delivery.
• Commitment to code quality by adhering to high engineering standards, focusing on clean, testable code, and alignment with best practices and system architecture.
• Active contribution to project development through continuous improvement, optimization, proposing innovative solutions, and collaborating closely with the team.
• Experience in effective communication and collaboration within an experienced team, building productive working relationships and aligning on goals and decisions.