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Telegram Bots, Whatsapp API, Asterisk, SMPP, SS7/Sigtran, Gitlab CI/CD, Bitbucket CI/CD, Docker, Ansible, Kibana, LogStash, Apache NiFi, DataDog, BTS Digital ID, 1C МФО, Auth0, Firebase, RabbitMQ, ПКБ, КАТО, 1С, SMSC, EveNg, GraphQL, Swagger/Open API, Spark, Apache Mesos, ionic, HashiCorp Vault