Embedded Test Engineer - Synaxis Informatic Tech Solutions

Polluxa, Inc.; Telangana; On-site; INR 400,000 - 600,000; Full time

Job summary

Polluxa, Inc. is seeking an Embedded Test (Validation) Engineer in Hyderabad on-site. The role targets 2–4 years of hands-on experience with firmware testing, debugging, and validation across STM32/ESP32 platforms.

Responsibilities include test case execution, OTA validation, hardware test equipment usage, and defect/root-cause analysis to support field and pilot deployments.

Qualifications

• Experience in embedded firmware testing and validation.
• Strong debugging and log/packet analysis skills.
• Hands-on with test equipment such as oscilloscope and logic analyzers.

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 Prep

Log Analysis

Functional Testing

Integration Testing

Defect Tracking

Root Cause Analysis

Tools

Oscilloscope

Logic Analyzer

Digital Multimeter

Job description

Embedded Test (Validation) Engineer

Experience: 2–4 Years ONLY Location: Hyderabad (On-site)

Job Summary

We are looking for an Embedded Test Engineer with strong experience in firmware testing, debugging, validation, and embedded communication protocols.

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, 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.

Only candidates with 3–4 years of relevant experience will be considered.

Pay

₹400,000.00 - ₹600,000.00 per year

Experience

• Embedded software: 2 years (Required)
• QA/QC: 2 years (Required)
• Firmware: 2 years (Required)
• Oscilloscope: 2 years (Required)
• Functional & Integration Testing: 2 years (Required)

Location

• Hyderabad, Telangana (Ranga Reddy District) (Required)

Work Location

In person