Our Telematics Team builds the backend that communicates with telematics hardware — OEM and third-party platforms. We enable interconnection with tens of thousands of vehicles across our rental, car-sharing, and subscription businesses. Our mission is to create secure, stable, and highly available software. We prioritize scalability and clean architecture. Our team culture values transparent communication, collaboration, and continuous improvement. In this role you will * Design and implement end-to-end scalable data intensive applications * Build complex integrations with external as well as internal systems * Align/specify integration with other development teams * Write clean, maintainable code backed by full test coverage * Perform Regular code reviews and write technical documentation * Follow by principle “You build it, you run it” * Critically analyze and clarify requirements with Product Owner, Business stakeholders
Required Skills * University degree in Computer Science or a similar discipline * 7+ years of experience with advanced Java backend development * Hands-on experience with Spring Boot and cloud native applications * Experience designing and implementing gRPC and REST APIs * Extensive experience building event-driven Microservices with Kafka * Strong SQL knowledge, experience with PostgreSQL * Comfortable with Kubernetes and Terraform as well as observability tools such as Grafana, Prometheus * Knowledge of any testing frameworks such as AssertJ, JUnit, Mockito, Testcontainers, Wiremock, Spring Cloud Contracts * Excellent communication skills and can collaborate effectively with diverse teams across geo-locations with fluent English
Nice to Have * Previous experience building data intensive applications * IoT, MQTT, Device integrations * AWS cloud platform * Performance testing and optimizations techniques with caching, profiling and tools such as K6, JMeter * Security and authentication OAuth2, JWT, Keycloak
What we offer * High salary (settlement to euro) * Full time employment as internal employee of Sixt TECH Ukraine * People-oriented management without bureaucracy * A challenging job where you can learn and grow * Paid vacation — 25 calendar days * Educational budget * Medical insurance and paid sick leaves * Both, gym and foreign language study
