Senior Full Stack Developer (Java/Angular)

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 Customer Care team supports post-onboarding processes for new and existing clients, developing an ecosystem of AI-based solutions, internal microservices, AML and anti-fraud systems, and a central Customer Database to improve service quality, security, and client satisfaction.

• Strong experience in building Java-based microservices with hands-on expertise in designing, implementing, and evolving microservices, understanding scalability and performance challenges.
• Commercial experience with the Angular framework and solid knowledge of RxJS, TypeScript, HTML5, CSS3/SCSS.
• Ability to translate business analysis into concrete technical solutions while ensuring compliance with requirements and deadlines.
• Ownership and proactivity in taking responsibility for assigned tasks, identifying risks, and proposing solutions.
• Commitment to code quality, focusing on clean, testable code and alignment with best practices and system architecture.
• Active contribution to project development through continuous improvement, optimization, and collaboration.
• Effective communication and collaboration skills within an experienced team environment.

Nice to have:

• Experience integrating frontend and backend using gRPC.
• Experience with micro-frontend architecture and working in a monorepo (e.g., NX).
• Experience with asynchronous messaging (Kafka, Pulsar, RabbitMQ) and various databases (PostgreSQL, MongoDB, Redis).
• Experience working with Kubernetes / Rancher.
• Experience working with design systems and reading Figma mockups.
• Practical knowledge of accessibility topics (a11y/WCAG).
• Ability to design and maintain E2E tests (e.g., Playwright or Cypress).

• 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.
• Building high-performance systems that process massive volumes of data with minimal latency.
• Ensuring high availability and scalability to support investments made by users worldwide.