Cortex is Hiring for : QA Automation Engineer | Device-to-Cloud / IoT Testing

Experience: 3 7 Years

Location: Noida / Gurgaon / Bangalore

Employment Type: Full-Time

We are looking for a skilled QA Automation Engineer with strong hands-on experience in Device-to-Cloud testing, test automation, IoT protocols, and protocol-level validation .

Mandatory Requirement

TR-369 / TR-69 Experience Is Mandatory.

Candidates must have experience with Python or Java .

Key Responsibilities

Design and execute end-to-end Device-to-Cloud test scenarios covering telemetry, device provisioning, remote configuration, and cloud pipelines.

Build, maintain, and scale automation frameworks using Playwright and Selenium.

Validate real-time and asynchronous communication between devices and cloud backends using MQTT and WebSockets.

Integrate automated test suites into CI/CD pipelines using Jenkins, GitHub Actions, or GitLab CI.

Work closely with firmware engineers, cloud backend developers, and product teams to identify, debug, and resolve issues across hardware and cloud layers.

Perform API, backend, integration, and protocol-level testing.

Required Skills

- 4 7 years of experience in Software Quality Engineering,



preferably with strong Device-to-Cloud / IoT testing experience.
- Hands-on experience with TR-369 / TR-69 (USP), including device management, controller-agent interactions, and cloud communication.
- Strong automation experience with Playwright and Selenium.
- Practical experience testing MQTT and WebSockets using tools such as Mosquitto, Postman, JMeter, or custom scripts.
- Robust programming skills in Python or Java.
- Experience with TypeScript or JavaScript is an added advantage.
- Strong knowledge of REST APIs and asynchronous message payloads such as JSON and Protobuf.

Good to Have

Experience with Wireshark or other network packet analysis tools.

Working knowledge of Docker and Linux environments.

Exposure to cloud IoT platforms such as AWS IoT, Azure IoT Hub, or GCP.

Experience working with CI/CD and DevOps environments.

Interested candidates can share their updated profile along with current CTC, expected CTC, notice period, and preferred location.

This job is posted by

Aishwarya K

Business HR

Cortex Consultancy , Chennai

📌 QA Automation Engineer - Remote Work (Bengaluru)
🏢 Cortex Consultants
📍 Bengaluru