Java Software Engineer

About this role

XTB is a global company from the financial industry, focusing on online trading of financial instruments. We are the largest FinTech in Poland and a leader in Central and Eastern Europe, and the range of our operations covers several countries, including Asia and South America. At XTB , we focus on the development of our employees, giving them opportunities to gain knowledge and skills in various fields, as well as offering a number of training and development programs.

If you are looking for challenges and want to gain valuable experience in an international business environment, XTB is the right place for you. We are a certified Great Place to Work company. We are looking for Java Developer to join the XTB team and co-create our innovative investment platform. If you want to be involved in building advanced, scalable, and high-performance systems in an inspiring environment, this role is for you! Technologies: Our microservices are primarily developed in Java 17+ using Micronaut.

Deployed on Rancher (Kubernetes) across multiple data centers. Inter-service communication via gRPC. Asynchronous communication using Kafka, Pulsar, RabbitMQ, and Chronicle. Data storage in PostgreSQL, MongoDB, and Redis. Production monitoring with Prometheus, Grafana, OpenSearch, and Opsgenie. Testing with JUnit and Testcontainers. Development in IntelliJ IDEA with GitHub Copilot support. Source code hosted on GitLab, with builds managed via GitLab CI.

Task tracking in Jira and documentation in Confluence. Extensive use of Google Workspace: Gmail, Drive, Docs, Meet, and Chat. Internally developed GenAI tools available to all employees. Responsibilities Working in a Scrum environment, with a strong focus on effective team collaboration. Development of multiple products, offering the opportunity to build a wide range of functionalities. High-performance systems - we process massive volumes of data with minimal latency.

A strong emphasis on high availability and scalability, supporting investments made by users all over the world. Requirements Experience in building Java-based microservices - hands-on expertise in designing, implementing, and evolving microservices, with an understanding of scalability and performance challenges. Ability to deliver according to requirements - translating business analysis into concrete technical solutions while ensuring compliance with requirements and deadlines.