Senior Full-Stack Kotlin Engineer

Senior Full-Stack Kotlin Engineer (m/f/d) - Station Management & Inventory City: Berlin Department: IT & Engineering Recruiter: Anna Symonenko Apply for Job Share Job We are looking for a motivated and curious Senior Full-Stack Engineer (Kotlin) to join our team in Supply Division and drive customer station experience to the next level! In an ever growing network, 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. In this role, you will continue to shape the product by driving innovation, solving complex challenges, and creating a lasting impact on our organization. About The Role You take ownership of roadmap epics as topic driver, aligning technical requirements and solutions across the team together with the product ownerAs part of the team you will work closely with business stakeholders on continuously developing and improving the product visionYou always keep the business value in mind when making decisions You drive the development process using an agile environmentAs part of your daily work, you collaborate closely with your fellow team members, for example in pair and ensemble programming, doing code reviews, testing, and operations You frequently deliver new versions of the product, using continuous integration and delivery You work confidently with or learn how to use cutting-edge technologies and tools including but not limited to:Kotlin across server and browser (we use Kotlin a lot!) JVM on server-side (Ktor, Axon Framework) Component-based Frontend (Compose HTML, but we value experience with similar libraries and frameworks) Distributed system architecture (Apache Kafka, HTTP/REST) Infrastructure with CI/CD (AWS, Docker, Kubernetes, Terraform, Datadog, Gitlab) About You 5+ years of software engineering experience, primarily backend development with a JVM languageWillingness to work 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 practices Proficiency in system design and architectureYou take responsibility for the product and technical decisionsClear written and spoken English communication skills We recognize that everyone carries a unique set of valuable skills and experiences. If you think you could have an impact even though you don't meet 100% of the requirements, we still encourage you to apply. We want to hear from you!  What We Offer Travel perks: 12 free Flix vouchers + 12 discount vouchers for friends & family. Work from (M)Anywhere: Depending on your role, work from another location for up to 60 days per year. Hybrid work model: We are an office-first company, but we offer flexibility to balance work and life. Wellbeing support: Access confidential 1:1 counselling, courses, and stress management for yourself and up to four family members. Learning & Development: Take advantage of language classes, training courses, and expert-led sessions to grow your skills. Mentoring Program: Connect with experienced colleagues to gain insights and accelerate your career. To view more local benefits specific to each office location, please check out this link: Locations - Flix Career Why Join Flix? At Flix, we empower our teams to push boundaries and shape the future of mobility. As we continue to scale globally, we harness cutting-edge technology to make mobility smarter, more sustainable, and more affordable. If you’re looking for a place where you can drive change and redefine how millions of people travel, Flix is the place where you can lead your journey! Apply now First Name Last Name Email Phone Resume/CV Upload File No file chosen Do you have experience building event-driven systems? Do you have experience building event-driven systems? YesNo Are you open to taking on front-end tasks (approximately 20–30% of the scope) and developing relevant front-end skills? Are you open to taking on front-end tasks (approximately 20–30% of the scope) and developing relevant front-end skills? YesNo What are your salary expectations (gross per year)? What is your earliest possible start date? Do you have the legal right to work in the country for which you are applying? Do you have the legal right to work in the country for which you are applying? YesNo Are you open to potential on-call duty? Are you open to potential on-call duty? YesNo This is a Berlin-based position. Are you ready for relocation to Berlin in case you are based elsewhere? This is a Berlin-based position. Are you ready for relocation to Berlin in case you are based elsewhere? YesNo What's your current location (country, city)? Voluntary Gender Identification Dear potential Flixie, At Flix, we are committed to fostering diversity and inclusion. To support this initiative, we invite all applicants to complete our demographic questions on voluntary basis. Your responses will be processed as anonymized data and not linked to your profile, and thus assessed for statistical purposes and internal research. If you prefer not to provide this information, simply click on "I do not wish to answer." Be assured that neither the decision not to participate nor your answers will have an impact on your application, and your answers will remain anonymous and unidentifiable to you individually. The decision on your application will be made independently from your participation and the information you provide. We appreciate your cooperation in advance! What gender do you identify as? / Mit welchem Geschlecht identifizierst du dich? Man / männlich Man / männlichWoman / weiblich Non-binary / nicht-binär I prefer to self-describe / Andere Selbstidentifikation I do not wish to answer / Ich möchte nicht antworten By submitting this application, I confirm that I have read and accept the Privacy Policy.