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Kafka / RabbitMQ.\n Разработка сервисов с учётом требований к производительности, отказоустойчивости и обработке высоких нагрузок.\n Реализация механизмов аутентификации и авторизации.\n Разработка и сопровождение сервисов уведомлений и других клиентских сценариев.\n Написание unit- и integration-тестов.\n Участие в code review и проектировании архитектуры сервисов совместно с архитекторами.\n Подготовка и актуализация технической документации.\n Диагностика и устранение дефектов и инцидентов в production, участие в анализе причин инцидентов.\n Соблюдение требований информационной безопасности и PCI DSS.\n Взаимодействие с командами Mobile, QA, системными аналитиками, DevOps, архитекторами и Product-командой.\n Требования\n Уверенное знание Java и Spring, включая Spring Boot / Spring Cloud.\n Знание ООП, SOLID, паттернов проектирования и принципов чистой архитектуры.\n Опыт разработки REST / gRPC API.\n Опыт проектирования API для мобильных приложений.\n Знание механизмов 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