About this role
Backend Engineer at PayPay. Location: Japan. Role: Design systems, Leverage AI, Maintain production Requirements: 4+ years in Java-based backend development; strong in distributed systems, NoSQL, concurrency; English/Japanese proficiency; AI/LLM tool experience; willingness to learn new languages. Category: Software Development Seniority: Mid Level Tools: Java, Kotlin, Scala, Spring Boot, JUnit, Redis, Kafka, DynamoDB, MySQL, AuroraDB, AWS, GCP, Docker, Kubernetes, GitHub, Gradle, Maven, Jenkins, BigQuery, Spark Commitment: Full Time Workplace: Hybrid Languages: English, Japanese