Senior Backend Engineer

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AppsFlyer seeks a Senior Data-Oriented Backend Engineer with 5+ years experience in data engineering, focusing on Apache Spark (Scala/PySpark), high throughput distributed systems, and backend development. Responsibilities include developing client-facing and data infrastructure features, collaborating with product and engineering teams, and improving system performance and scalability. Bonus skills: experience with large-scale production databases, Airflow, BigQuery ETL, Go and Clojure backend services, and AI tools. Requirements: B.Sc. in Computer Science or equivalent, strong English communication. Benefits include health insurance, unlimited paid vacation, meal and sport reimbursements, mental health program, team activities, paid sick days, snacks, and a Mac laptop with dual monitors. Location: Kyiv, Ukraine.