Engineering Team Leader

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 building new client engagement product for retail clients, combining multiple financial benefits and value-added services into a structured offering. The platform is intended to support the full product lifecycle, including offer configuration, pricing, client eligibility, plan changes, access rights, and benefit activation. An Engineering Team Leader is being sought to take end-to-end ownership of the platform and lead the team responsible for its delivery. Ideally, this would be someone with strong e-commerce or paid-product experience, including exposure to pricing, packaging, customer access, product changes, and entitlement management, as well as an understanding of the product, technical, and commercial challenges behind such offerings. Responsibilities Ensuring development tasks are completed according to established technical standards. Supporting the Product Manager in coordinating team activities in the area of technological solutions. Collaborating with other teams to design optimal solution architectures. Ensuring high team efficiency by identifying and mitigating obstacles in the development process. Monitoring ongoing work and assisting in resolving technical issues. Supporting team growth through training, mentoring, and regular 1:1 meetings. Requirements Several years of experience as a software developer. Experience as a team manager. Ability to create and develop Java-based microservices. Knowledge of system scalability, performance, and reliability. Experience in projects from architecture to deployment. Ability to work effectively with multi-skilled and remote teams. Technologies we work with Backend: Microservices mainly in Java 17+ with Micronaut. Deployment on Rancher (Kubernetes) across multiple data centers. Communication between microservices via gRPC. Asynchronous messaging using Kafka, Pulsar, RabbitMQ, Chronicle. Databases: Postgres, MongoDB, Redis. Mobile: Android: Native Kotlin, modular architecture, Clean Architecture, MVI/MVVM, reactive with Coroutines/Flow and Compose. iOS: Native Swift, modular architecture, MVVM-C, reactive with Combine, views with SwiftUI. Mobile tools: Firebase (Crashlytics, Remote Config, Analytics), Localise. Web: Angular with TypeScript, JavaScript, and RxJS. Microfrontend architecture using web components, developed in a monorepo with Nx. Observability & DevOps: Monitoring with Prometheus, Grafana, OpenSearch, Opsgenie. Code in IntelliJ with Copilot support. Version control: GitLab, CI/CD with GitLab CI. Testing: JUnit, Testcontainers, Appium, Playwright. Tools & Collaboration: Task tracking in Jira, knowledge management in Confluence. Extensive use of Google Workspace: Gmail, Drive, Docs, Meet, Chat. Internal GenAI tools available to all employees. 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.