TEST MODULE LEAD - Python

Happiest Minds Technologies; Pune District; On-site; INR 1,200,000 - 2,000,000; Full time

Job summary

Happiest Minds Technologies is seeking an Embedded Test Automation Engineer with 5 years of hands-on experience in Python-driven test automation for embedded platforms. You will work on ARM Cortex and nRF52 devices, implement test harnesses, and automate validation of UART, SPI, I2C, BLE, and OTA processes.

The role requires proficiency with Pytest, Robot Framework, and BDD using Cucumber or Behave, plus experience with CI/CD and version control.

Qualifications

• 5 years in embedded test automation or related field.
• Strong Python-based automation skills.
• Experience with Pytest and Robot Framework.
• Experience testing embedded hardware (UART, SPI, I2C, BLE).
• Familiar with ARM Cortex and nRF52 MCU architectures.
• Knowledge of CI/CD, Git/GitHub.
• Experience with log analysis and test harness development.
• BDDs: Cucumber or Behave.

Skills

Python-based test automation

Pytest

Robot Framework

Embedded systems testing

MCU architectures (ARM Cortex, nRF52)

GPIO/UART/SPI/I2C

BLE protocol testing

BDD (Cucumber/Behave)

Test harness & regression testing

Tools

Git

GitHub

Segger J-Link

JTAG/SWD

CI/CD (GitHub Actions/Jenkins)

Allure/HTML reports

Job description

Job Description: Embedded Test Automation Engineer

Experience Range - 5 Years

Reference : SMART9857_HM

Must-Have Skills

• Strong experience in Python-based test automation.
• Hands-on experience with Pytest and Robot Framework.
• Experience in embedded systems testing and validation.
• Understanding of MCU architecture, including ARM Cortex and nRF52.
• Knowledge of GPIO, UART, SPI, I2C, interrupts, timers, and watchdogs.
• Experience in communication protocol testing and automation.
• Hands-on experience with BDD using Cucumber or Behave.
• Experience testing UART, SPI, I2C, and BLE protocols.
• BLE testing, including scanning, advertising, connection stability, GATT validation, and data exchange.
• Firmware flashing, debugging, upgrade validation, and OTA validation.
• Experience with UART/RTT logs, packet-level debugging, and automated log analysis.
• Experience in test harness development, regression testing, functional testing, and system-level validation.
• Familiarity with Git, GitHub, and CI/CD automation.

Good-to-Have Skills

• MQTT protocol testing for IoT devices.
• Hardware-in-the-Loop (HIL) setup and validation.
• Basic C/C++ firmware understanding.
• RTOS fundamentals.
• PySerial and JTAG/SWD debugging using Segger J-Link.
• BLE automation using nRF Connect APIs and custom scripts.
• GitHub Actions and Jenkins.
• Stress, soak, and power consumption testing.
• Allure and HTML test reporting.
• Simulation tools for embedded systems testing.

Tools and Technologies

• Programming: Python, basic C/C++
• Automation: Pytest, Robot Framework, Cucumber, Behave
• Embedded Platforms: ARM Cortex, nRF52, RTOS
• Protocols: UART, SPI, I2C, GPIO, BLE, MQTT
• Debugging: PySerial, Segger J-Link, JTAG/SWD, UART logs, RTT logs
• Firmware Testing: Flashing, debugging, OTA validation
• CI/CD and Version Control: Git, GitHub, GitHub Actions, Jenkins
• Reporting: Allure, HTML reports