Golang, Cassandra, Angular, Java 8, Nosql, React, Javascript, Docker, Core Java, Design Patterns, Python, AWS, Hadoop, Scala, Kotlin, Css3, Redis, Kubernetes, IO NIO, network communication, Swarm, R, high availability systems, Aliyun Cloud, Java multi-threading, high concurrency

google guice , Java, Postgres, jOOQ

software craftsmanship , Apis, Microservices, Backend Development, Kubernetes, data processing pipelines, event-driven systems, cloud-native technologies, CI CD, Security, performance optimization, observability

Typescript, PostgreSQL, Kotlin, AWS, TimeScaleDB

solace , containerization , Agile Methodologies, Performance Tuning, Spring Boot, Windows, Sql, UNIX, Cloud Computing, Docker, Linux, Database Design, Java Jee, Kubernetes, Spring Framework, JDBC, message queues, microservices architecture, CI CD practices, PCI DSS standards

Rabbitmq, React, Docker, PostgreSQL, Python, ASP.NET Core 8, Next.js, Linux Shell, K3s

Golang, Mqtt, Logging, PostgreSQL, Kafka, Spring Boot, Docker, Neo4j, Terraform, AWS, Websocket, Redis, Google Cloud, metrics, Webrtc, Helm, Azure, Kubernetes, observability practices, GRPC, tracing, cloud security best practices, Monitoring, CICD pipelines, TimescaleDB

Node.js, MySQL, Monitoring Tools, Python, MongoDB, distributed systems design, system performance, Scaling, Crisis Management, Go