Senior Backend Engineer – DATA

Nasze wymagania: Extensive experience with Kotlin, other JVM languages, or Golang Strong understanding of data structures and algorithms Solid frontend experience (HTML, CSS, JavaScript, React/Redux or NextJS) Experience integrating complex frontend and backend systems Practical experience with Docker and Kubernetes Experience working in automated CI/CD environments Strong knowledge of relational and document databases Experience with event-driven architectures (Kafka or RabbitMQ) O projekcie: We are a global, technology-driven organization operating in the direct-to-consumer space, building digital products used by millions of customers worldwide. Our teams focus on scalable architecture, customer-centric innovation, and continuous improvement. We work in cross-functional product teams with end-to-end ownership, combining a strong engineering culture with measurable business impact. We are looking for a Full-Stack Engineer to join a product-focused engineering team building scalable, high-performance systems. You will work across backend and frontend layers, contributing to modern, cloud-native applications deployed in distributed environments. This role requires strong backend foundations combined with solid frontend experience and the ability to integrate complex services into seamless user experiences. Zakres obowiązków: Design and develop backend services using Kotlin, other JVM languages, or Go Build and maintain frontend components using React/Redux or NextJS Integrate frontend and backend systems into cohesive, scalable applications Work with event-driven architectures (Kafka or RabbitMQ) Deploy and operate services using Docker and Kubernetes Contribute to CI/CD pipelines and automated deployments Collaborate within cross-functional product teams Oferujemy: B2B cooperation model 25 days of paid annual leave Hybrid work model – 3 days per week in the Warsaw office Flexible working arrangements and a supportive environment