Senior Scala + Java Engineer

About the client Our customer is the European online car market with over 30 million monthly users, with a market presence in 18 countries. As a Senior Scala Engineer, you will play a pivotal role in shaping the future of online car markets and enhancing the user experience for millions of car buyers and sellers.ResponsibilitiesDesign and implement scalable backend services in ScalaWork extensively with Typelevel libraries (Cats, Cats Effect, FS2, Http4s, etc.)Model complex business domains using strong type systemsBuild and maintain event‑driven and distributed systemsContribute to architectural decisions around concurrency, streaming, and data consistencyWrite clean, testable, and maintainable codeImprove CI/CD pipelines, observability, and system reliabilityCollaborate closely with product and platform teamsTech StackScala (2.13 / 3)Cats / Cats Effect / FS2 / Http4sKafka (event‑driven architecture)PostgreSQLDocker / KubernetesAWSCI/CD (GitHub Actions)Required Experience4+ years of backend development experience (Scala)Strong production experience with JavaJava Spring Boot knowledgeHands‑on experience with the Typelevel ecosystemFamiliarity with event‑driven architectures (Kafka)Deep understanding of effect systems (Cats Effect), functional programming principles, type classes, higher‑kinded types, pure vs impure boundariesExperience building distributed systemsStrong understanding of concurrency and asynchronous programmingAt least upper‑intermediate English levelNice to HaveExperience with Scala 3Knowledge of tagless‑final patternsExperience in fintech or high‑integrity domainsExperience contributing to open sourceBenefitsFlexible working format - remote, office‑based or flexibleA competitive salary and good compensation packagePersonalized career growthProfessional development tools (mentorship program, tech talks and trainings, centers of excellence, and more)Active tech communities with regular knowledge sharingEducation reimbursementMemorable anniversary presentsCorporate events and team buildingsOther location‑specific benefitsNot applicable for freelancers#J-18808-Ljbffr