Embedded Systems Engineer

Coxvi Technologies; Bengaluru; On-site; INR 800,000 - 1,600,000; Full time

Job summary

Coxvi Technologies in Bengaluru is seeking a hands-on Embedded Systems Engineer to own hardware and firmware development—from schematic design and PCB layout to firmware, prototyping and production readiness.

The role focuses on wearable audio-capturing devices for retail environments, requiring strong expertise in Embedded C/C++, microcontrollers, audio hardware, power management, and end-to-end product development from concept to field deployment.

Qualifications

• Hands-on Embedded Systems Engineer handling hardware & firmware from schematic to production readiness.
• Wearable audio-capturing devices for retail environments require strong embedded systems expertise.
• Experience with ESP32-S3 or similar MCUs and low-power design is essential.

Responsibilities

• Firmware development, debugging, testing and optimization on ESP32-S3 and similar MCUs.
• Schematic design, PCB layout, component selection, prototyping and hardware debugging.
• Develop audio hardware including microphones, amplifiers and capture systems for high-quality audio.

Skills

Embedded C/C++

ESP32-S3

PCB design

I2C / SPI / UART / I2S

Wi-Fi / Bluetooth

Sensor integration

Production experience

Troubleshooting

Tools

KiCad

Altium

Job description

Embedded Systems Engineer

Location: Bengaluru (Work from Office)
Experience: 36 Years
Employment Type: Full Time, Permanent

Job Description

We are looking for a hands-on Embedded Systems Engineer who can independently own hardware and firmware development, from schematic design and PCB layout to firmware development, prototyping, testing and production readiness.

The candidate will be responsible for developing wearable audio-capturing devices used in retail environments. The role requires strong expertise in Embedded C/C++, microcontrollers, PCB design, audio hardware and power management.

Key Responsibilities

1. Firmware Development: Develop, debug, test and optimise firmware using C and C++ on ESP32-S3 and similar microcontrollers.
2. Hardware Design: Handle schematic design, PCB layout, component selection, prototyping and hardware debugging using KiCad or Altium.
3. Audio Hardware: Work on microphones, amplifiers and audio capture systems to ensure high-quality audio recording.
4. Connectivity: Implement I2C, SPI, UART, I2S, Wi-Fi and Bluetooth communication protocols.
5. Power Management: Optimise battery consumption and develop low-power embedded systems.
6. Hardware Integration: Integrate sensors, communication modules, displays and other hardware components.
7. Product Development: Take ownership of the complete product lifecycle, from concept and prototype to testing and production readiness.
8. Field Debugging: Identify and resolve hardware and firmware issues in real-world deployment environments.

Required Skills

• 3-6 years of experience in Embedded Systems Development.
• Strong hands-on experience in Embedded C and C++.
• Practical experience with ESP32-S3 or similar microcontrollers.
• Expertise in PCB design, schematic development and hardware debugging.
• Knowledge of I2C, SPI, UART and I2S protocols.
• Experience with Wi-Fi and Bluetooth connectivity.
• Experience integrating sensors and communication modules.
• Proven experience taking an embedded product from concept to production.
• Strong troubleshooting and independent problem-solving skills.

Good to Have

• Experience with microphones, audio amplifiers and audio processing circuits.
• Knowledge of microphone arrays, beamforming and noise cancellation.
• Experience with digital audio interfaces and audio codecs.
• Knowledge of FreeRTOS and ESP-IDF.
• Experience in battery-operated devices and low-power optimisation.

Work Location: Bengaluru - Work from Office.