Job Description: MQT API Developer
Role Overview
As an MQTT API Developer, you will design, develop, and maintain scalable MQTT-based APIs and telemetry data integration solutions. You will work with Azure Data Lake Storage, Microsoft Fabric, and industrial telemetry platforms such as Ignition to enable reliable, secure, and high-throughput data ingestion, processing, and analytics.
What you will do

Design, develop, and maintain MQTT APIs and services for real-time telemetry data exchange.
Build high-throughput data ingestion pipelines integrating MQTT brokers with Azure Data Lake Storage and Microsoft Fabric.
Integrate telemetry platforms such as Ignition with cloud-based data platforms.
Optimize APIs and messaging infrastructure for scalability, reliability, and low latency.
Develop REST APIs and microservices to expose telemetry data to downstream applications.
Implement authentication, authorization, and secure communication for MQTT services.
Monitor, troubleshoot, and resolve production issues related to messaging and data pipelines.
Collaborate with OT, IoT, cloud, and analytics teams to deliver end-to-end solutions.

What you will bring

3–6 years of experience in MQTT, API development, or IoT application development.
Strong hands-on experience with Azure Data Lake Storage, Microsoft Fabric, and telemetry systems such as Ignition to manage high data flow.
Experience with MQTT brokers (EMQX, HiveMQ, Mosquitto, or Azure IoT Hub).
Proficiency in Python, C#, Java, or Node.js for backend/API development.
Experience building RESTful APIs and integrating message-driven architectures.
Knowledge of event streaming, data ingestion, and high-volume telemetry processing.
Familiarity with Docker, Kubernetes, CI/CD, Git, and cloud-native deployment.
Strong troubleshooting, communication, and documentation skills.

Ideally you have

Bachelor's degree in Computer Science, Information Technology, or related field.
Azure certifications (AZ-204, DP-203, or Microsoft Fabric), IoT certifications are advantageous.
Experience with industrial automation or SCADA environments.

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