Senior Java Software Engineer

Stack

Responsibilities

• ▹You work in a Scrum environment with a strong focus on effective team collaboration
• ▹You develop across multiple products, with the opportunity to build a wide range of functionality
• ▹You work on high-performance systems processing massive volumes of data with minimal latency
• ▹You place strong emphasis on high availability and scalability, supporting investments made by users worldwide

Requirements

• ▹Strong experience 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 meeting deadlines and compliance
• ▹Ownership and proactivity – taking responsibility for assigned tasks, identifying risks, and proposing solutions for successful project delivery
• ▹Commitment to code quality – adhering to the highest engineering standards, focused on clean, testable code aligned with best practices and system architecture
• ▹Active contribution to project development – continuous improvement, proposing innovative solutions, collaborating closely with the team
• ▹Effective communication and collaboration with an experienced team – comfortable working with highly skilled professionals, building productive relationships, aligning on goals and decisions

Nice to have

• ▹Experience with Java 17+ microservices built with Micronaut, deployed on Kubernetes (Rancher)
• ▹Familiarity with gRPC/Protobuf service communication, plus Kafka, Pulsar, and RabbitMQ asynchronous messaging
• ▹Experience with PostgreSQL, MongoDB, and Redis
• ▹Knowledge of Prometheus, Grafana, and OpenTelemetry-based monitoring
• ▹Experience with JUnit and Testcontainers-based testing

Soft skills

What we offer

• ▹Real influence on the development of the company and the product
• ▹Work in an experienced team that is happy to share its knowledge
• ▹A clear development path with regular feedback and career planning
• ▹Regular team-building events
• ▹A training budget for courses and conferences
• ▹An extra day off on your birthday
• ▹An extra day off for parents
• ▹Equipment tailored to your needs
• ▹Private medical care and group insurance

About the company

XTB is a global financial company focused on online trading of financial instruments. It is the largest fintech in Poland and a leader in Central and Eastern Europe, with operations extending to Asia and South America. A certified Great Place to Work company.