Backend Testing Engineer IoT System Testing

2 - 7 years

3 - 4 Lacs

Posted:1 day ago| Platform: Naukri logo

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Job Type

Full Time

Job Description

Backend Testing Engineer

Core Responsibilities:

  • Validation of Sensor Data

    :
    • Verify correctness of field sensor data (voltages, currents, status bits, etc.) received via MQTT/Modbus.
    • Cross-check live values with physical instrument readings during site deployment or simulation.
  • Calibration of Thresholds & Logic

    :
    • Calibrate alert levels and operating thresholds based on ground readings, historical data, and R&D inputs.
    • Tune parameters used in real-time monitoring and predictive algorithms to eliminate false alerts.
  • Backend/API Testing

    :
    • Test REST APIs for data push/pull operations, asset control, and system sync functions.
    • Validate response integrity, error handling, and payload formats (JSON/XML).
  • Database & Data Integrity Testing

    :
    • Ensure correct mapping of device data in TimescaleDB/PostgreSQL with appropriate timestamps.
    • Perform SQL queries to verify data consistency across devices, dashboards, and historical trends.
  • IoT Deployment Support

    :
    • Support field teams during installation by helping validate data connectivity, gateway setup, and RTU configurations.
    • Conduct pre-go-live test cycles, generate validation reports, and assist in UAT signoff.
  • Protocol and Edge Testing

    :
    • Test Modbus RTU/TCP transactions and MQTT publish/subscribe cycles under simulated fault conditions.
    • Monitor data packet consistency and latency during high-load conditions.
  • Test Planning & Documentation

    :
    • Prepare and maintain comprehensive test cases, checklists, and validation logs.
    • Raise and track bugs using JIRA and collaborate with developers for resolution.

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