Senior Full-Stack Kotlin Engineer

Open to B2B contractors based in Poland. Rate: 136—179 PLN/hour. We are looking for a skilled Senior (Full-Stack) Kotlin Engineer as service agreement collaborator. Flix customers worldwide expect a comfortable and seamless experience at our stations as part of their travel experience. Our self-organized, cross-functional and distributed team builds products to enable Flix station managers to scale management of the station inventory, which a wide range of internal tech teams across Flix depend on, and overall serves to improve the experience at our stations for millions of passengers. Scope of services Independent management of roadmap epics as topic driver, aligning technical requirements and solutions across the Flix teams together with the product ownerClose interaction with business stakeholders on continuously developing and improving the product vision with business driven mindsetSupporting the development process using an agile environmentPair and ensemble programming, code reviews, testing, and operationsDelivery of new versions of the product, using continuous integration and delivery Relevant Experience 5+ years of software engineering experience, primarily backend development with a JVM language, including some commercial experience with KotlinSolid front-end skills with modern front-end stackExperience with event-driven architectures; exposure to event sourcing, CQRS, and domain-driven design (DDD) is a plusHands-on experience with automation and deployment of applications into cloud infrastructure (e.g., AWS, Azure) using CI/CD pipelines and DevOps best practicesProficiency in system design and architectureSolid written and spoken English communication skills