Senior Java Software Engineer
This is the employer's own posting, not a copy on a job board.
What we know
Is it still open?
Confirmed still open
Last checked 2d ago — checked against the employer's own applicant tracking system, which is the company answering directly.
We re-read the employer's own applicant tracking system and the posting was still there. That is the company answering directly.
How old is it?
Posted 90d ago
The date the source published, not the day we noticed it (2026-08-04). Last seen at its source 1h ago.
We have tracked this listing since 27 Oct 2026 (6 days). The employer's own board has carried it every time we have read it, most recently 1 hour ago.
Is it remote?
Marked remote on the employer's board
Their board carries a remote setting on this posting — a field they filled in, not wording we read. The location field names somewhere specific, which is usually where the team or the entity sits.
Who may apply?
Warsaw
The description states no restriction of its own. This is the source's own tag.
Pay not stated
Similar roles pay PLN 302.4k–425k/yr
Middle 50% of 25 listings that do state pay — Engineering · Senior · Poland · PLN/year. This employer has published no salary; this is what comparable listings we hold disclose, never converted between currencies or periods. How this is calculated.
Skills named in the ad
Recognised terms only, from a fixed vocabulary — this is what CV matching compares against.
Carried by 1 source
-
Lever employer's own board first seen 6d ago · last seen 1h ago
The listing
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.
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.
Technologies
- Our microservices are primarily developed in Java 17+ using Micronaut.
- Deployed on Rancher (Kubernetes) across multiple data centers.
- Inter-service communication via gRPC and Protobuf.
- Asynchronous communication using Kafka, Pulsar, RabbitMQ, and Chronicle.
- Data storage in PostgreSQL, MongoDB, and Redis.
- Production monitoring with Prometheus, Grafana, OpenSearch, Opsgenie and Open Telemetry.
- Testing with JUnit and Testcontainers.
- Development in IntelliJ IDEA with GitHub Copilot, Windsurf and Claude Code 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.
Requirements
- Strong 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.
- Ownership and proactivity - taking responsibility for assigned tasks, identifying risks, and proposing solutions to ensure successful project delivery.
- Commitment to code quality - adhering to the highest engineering standards, focusing on clean, testable code and alignment with best practices and system architecture.
- Active contribution to project development - engaging in continuous improvement and optimization, proposing innovative solutions, and collaborating closely with the team toward shared goals.
- Experience in effective communication and collaboration with an experienced team - you are comfortable working with professionals with strong expertise, building productive working relationships, and aligning on goals and decisions within a mature team environment.
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 vision of development thanks to regular feedback and clear career paths.
- Regular team-building meetings.