Logo for XTB online trading

Senior Java Software Engineer

Role overview

Qualifications

  • Strong Experience in building Java-based microservices
  • Ability to deliver according to requirements
  • Ownership and proactivity
  • Commitment to code quality

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 processing massive volumes of data with minimal latency
  • A strong emphasis on high availability and scalability, supporting investments made by users all over the world

About the company

XTB online trading logo

XTB online trading

Financial Services

XTB is a global fintech company that provides individual investors with instant access to financial markets from around the world through an innovative online investing platform and the XTB mobile app. Founded in Poland in 2004, we currently support over 1 million customers globally in achieving their investment ambitions. At XTB, we are committed to the ongoing development of the online investing platform enabling our customers to trade 6,300+ instruments including stocks, ETFs, CFDs based on currency pairs, commodities, indices, stocks, ETFs, and cryptocurrencies. With the recent launch of Investment Plans, a long-term passive investing product, our clients can now unlock the growing potential of ETFs and diversify their portfolios effectively. In the key markets, we're offering interest rates on uninvested funds enabling investors to put their money to work and benefit even when they aren't actively investing. Our online platform is a top destination not only for investing but also market analysis and education. We offer an extensive library of educational materials, videos, webinars, and courses to help our customers become better investors irrespective of their trading experience. Our customer service team provides support in 18 languages and is available 24/5 via email, chat, or phone. In over two decades of activity in the financial markets, we have expanded our reach to having more than 1,000 employees. XTB is headquartered in Poland with offices in multiple countries across the globe, including the UK, Germany, Romania, Spain, Czech Republic, Slovakia, Portugal, France, Dubai and Chile. Since 2016, XTB shares have been listed on the Warsaw Stock Exchange. We are regulated by the world’s largest supervisory authorities: Financial Conduct Authority, Polish Financial Supervision Authority, Cyprus Securities & Exchange Commission, Dubai Financial Services Authority and Financial Services Commission. Investing is risky. Invest responsibly.

Company details

IndustryFinancial Services
Company size1001 - 5000

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Job description

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.

  • Benefits
  • A training budget for courses and conferences that interest you.
  • An extra day off on your birthday.
  • An extra day off for parents.
  • Equipment tailored to your needs.
  • Private medical care and group insurance.
  • Access to an e-learning platform for learning English and a benefits platform.
  • Access to a wellbeing platform and the opportunity to take advantage of workshops and private therapy sessions.
  • Remote work, from the office in Warsaw or from a coworking space in your city.
  • Apply once. Then go straight to the hiring manager.

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    MR

    Marcus Rivera

    Chief Revenue Officer

    m.rivera@company.com
    linkedin.com/in/marcusrivera
    Unlocked after you apply
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