Golang, PHP, Laravel, Node.js, Vue.js, Docker, YAML, Ansible, CGO, TLS, JWT, REST, Redis, Websocket, JSON, gRPC, Protobuf, Gitlab CI/CD, Apache ZooKeeper, VDS, Ubuntu, HAProxy, pgBouncer, Patroni, Nginx, Stratum, Blockchain API, Telegram Bot API, Git, GitLab, Kafka, RabbitMQ, PostgreSQL, Clickhouse, etcd, etcd-keeper, EFK, Prometheus, OpenTelemetry, Otel Collector, Grafana Tempo, Grafana, CSS