Embedded Test Engineer

SourcingXPress; Hyderabad; On-site; INR 600,000 - 1,200,000; Full time

Job summary

Synaxis Informatic Tech Solutions is seeking an hands-on embedded product tester to validate firmware and hardware interfaces for smart metering and IoT devices.

You’ll perform functional and integration testing, validate STM32/ESP32 based products, and execute OTA updates while debugging logs and packets to ensure reliability.

Qualifications

• Embedded C fundamentals and microcontroller experience.

Responsibilities

• Prepare and execute test cases for embedded firmware and devices.
• Perform functional, integration, and firmware validation testing.
• Test and validate STM32 / ESP32 based products.
• Perform firmware flashing, configuration, upgrades, and OTA validation.
• Debug and analyze device logs, packets, and communication issues.
• Test using Oscilloscope, Logic Analyzer, and Digital Multimeter.
• Work with UART, SPI, I²C, RS485, Modbus RTU, LoRa / LoRaWAN.
• Track defects and perform root-cause analysis.
• Support production validation, pilot deployments, and field troubleshooting.

Skills

Embedded C

STM32/ESP32

UART

SPI

I2C

RS485

Modbus RTU

LoRa/LoRaWAN

Firmware flashing

Debugging

Test case preparation

Log analysis

Functional testing

Integration testing

Defect tracking

Root-cause analysis

Tools

Oscilloscope

Logic Analyzer

Digital Multimeter

Job description

Company: Synaxis Informatic Tech Solutions

LinkedIn: Visit LinkedIn

Business Type: Startup

Company Type: Product

Business Model: B2B

Funding Stage: Bootstrapped

Industry: Information Technology

Job Description

We are looking for a hands‑on embedded product testing and validation for Smart metering and IoT products, covering Firmware, Hardware interfaces, Communication, Metering functionality, Reliability and Field issues.

Key Responsibilities

• Prepare and execute test cases for embedded firmware and devices.
• Perform functional, integration, and firmware validation testing.
• Test and validate STM32 / ESP32 based products.
• Perform firmware flashing, configuration, upgrades, and OTA validation.
• Debug and analyze device logs, packets, and communication issues.
• Perform testing using Oscilloscope, Logic Analyzer, and Digital Multimeter.
• Work with UART, SPI, I²C, RS485, Modbus RTU, LoRa / LoRaWAN.
• Track defects and perform root-cause analysis.
• Support production validation, pilot deployments, and field troubleshooting.

Mandatory Skills

Embedded C fundamentals, STM32/ESP32, UART, SPI, I²C, RS485, Modbus RTU, LoRa/ LoRaWAN, Firmware Flashing, Debugging, Test Case Preparation, Log/ Packet Analysis, Functional & Integration Testing, Defect Tracking, Root-Cause Analysis.

Good to Have

LoRaWAN Gateways, NB-IoT, DLMS/COSEM, HES/MDMS.

Preferred Domain

Smart Metering, IoT Devices, Utility / Industrial Electronics.