C#.Net with MQTT Backened Developer

Required Skills & Qualifications:

• Strong experience with C# (minimum of 5-8 years)C#,.Net Core, .NET framework, Rest/Web API and object-oriented programming principles.
• Proven experience in building backend systems with MQTT protocol (MQTT v3.1.1 or MQTT v5).
• Solid understanding of Linux-based environments for development, deployment, and troubleshooting.
• Familiarity with MQTT libraries and frameworks for C# such as MQTTnet.
• Experience with containerization technologies such as Docker and orchestration tools like Kubernetes.
• Experience with network programming (TCP/IP, sockets) and understanding of real-time messaging and IoT systems.
• Hands-on experience with securing MQTT communications using TLS/SSL and handling authentication/authorization (e.g., username/password, certificates).
• Experience with multi-threading and asynchronous programming in C# (using async, await, Task).
• Familiarity with message serialization and deserialization techniques (e.g., JSON, XML).
• Knowledge of cloud platforms (AWS, Azure, etc.) and integrating backend systems with cloud-based IoT platforms is a plus.
• Strong problem-solving skills and ability to troubleshoot complex system issues.
• Experience with version control (e.g., Git) and working in a collaborative development environment.

Preferred Skills:

• Experience with deploying and managing backend services in a Linux server environment.
• Familiarity with Hive MQ, Mosquitto broker
• Familiarity with tools like MQTT.fx, MQTT Explorer, or similar to debug and test MQTT connections.
• Familiarity with CI/CD pipelines and automated testing frameworks.
• Knowledge of IoT protocols (e.g., CoAP, HTTP) and architecture.