Comminent Private Limited

Job Summary:

We are looking for a motivated Embedded Engineer to design, develop, and test application-level firmware for IoT and electronic products. The role focuses on developing embedded applications, integrating with communication stacks, and ensuring reliable operation of hardware and field devices.

The ideal candidate will have hands-on experience with microcontrollers, RTOS, and C/C++ programming, along with a good understanding of communication protocols and embedded hardware interfaces.

Key Responsibilities:

1. Application Development

• Design and develop embedded application software for IoT or electronic products.
• Implement device logic, data handling, and communication interfaces as per system requirements.
• Integrate with underlying firmware layers such as communication stacks and hardware drivers.
• Develop and maintain modular, reusable, and efficient code following coding standards.

2. Integration & Testing

• Integrate and validate software with hardware boards and peripheral components.
• Perform unit, integration, and system-level testing for embedded applications.
• Debug issues using JTAG, serial console, and logic analyzers.
• Support board bring-up and field testing activities.

3. Optimization & Debugging

• Optimize firmware for performance, reliability, and low power consumption.
• Analyze logs and troubleshoot issues in coordination with hardware and QA teams.
• Implement diagnostic and monitoring features for runtime fault detection.

4. Documentation & Quality

• Maintain code documentation, configuration details, and release notes.
• Ensure compliance with firmware design standards and development processes.
• Participate in code reviews and continuous improvement initiatives.

Qualifications & Skills:

• Bachelor’s degree in Electronics, Electrical, Communication, or Computer Engineering.
• 2–5 years of hands-on experience in embedded firmware / application development.
• Strong programming skills in C / C++ for embedded systems.
• Experience with 8-bit / 32-bit microcontrollers (ARM Cortex-M, MSP430, STM32, etc.).
• Good understanding of RTOS concepts, multitasking, and inter-process communication.
• Familiarity with hardware interfaces: UART, SPI, I2C, GPIO, ADC, timers.
• Working knowledge of version control systems (e.g., Git).
• Strong debugging and analytical skills.

Preferred Attributes:

• Experience in IoT or Smart Metering products.
• Exposure to communication protocols such as DLMS/COSEM, Modbus, MQTT, CoAP, or Wi-SUN.
• Knowledge of low-power system design and firmware update mechanisms (OTA).
• Experience with Python scripting for test automation.
• Familiarity with hardware bring-up and embedded testing tools.

Why Join Us:

• Work on innovative IoT and smart device platforms used in large-scale deployments.
• Be part of a dynamic and collaborative R&D environment.
• Gain exposure to end-to-end embedded development from concept to production.
• Opportunity to grow into Senior Engineer or Module Lead roles.

Job Title: Senior Embedded Engineer – Wireless Communication Stack Development

Department: Embedded Systems / Wireless Communication

Location: Bangalore

Job Summary:

We are seeking an experienced Senior Embedded Engineer to lead the design, development, and optimization of wireless communication stacks for our IoT and smart device platforms. The role involves hands-on work with low-power embedded systems, wireless network protocols, and real-time software used in large-scale connected device deployments (e.g., Smart Metering, Smart City, Industrial IoT).

You will contribute to architecture, implementation, integration, and validation of communication layers across PHY, MAC, Network, and Application layers — ensuring performance, reliability, and compliance with open standards like Wi-SUN, IEEE 802.15.4g/e, 6LoWPAN, RPL, IPv6, and CoAP.

Key Responsibilities:

1. Protocol Stack Development

• Design and develop embedded software for wireless communication stacks (MAC, Network, Application layers).
• Implement and optimize IEEE 802.15.4g/e, 6LoWPAN, RPL, and Wi-SUN FAN components for constrained devices.
• Ensure stack compliance with industry communication standards and interoperability specifications.
• Work on real-time and low-power embedded environments, focusing on memory and CPU efficiency.

2. Integration & Debugging

• Integrate the communication stack with RTOS platforms (FreeRTOS, Zephyr, or custom RTOS).
• Interface with hardware abstraction layers (HAL) and peripheral drivers (UART, SPI, I2C, etc.).
• Perform RF communication debugging, using tools such as Wireshark, RF sniffers, and protocol analyzers.
• Collaborate with hardware and system engineers for board bring-up, RF tuning, and performance validation.

3. Optimization & Performance

• Optimize wireless communication stack for low latency, high reliability, and power efficiency.
• Analyze performance metrics (packet delivery ratio, network formation time, throughput, link stability).
• Implement diagnostic and monitoring features within the communication stack.

4. Collaboration & Mentorship

• Work closely with Firmware, QA, and Network teams to deliver integrated and tested solutions.
• Provide technical guidance and mentorship to junior developers.
• Participate in code reviews, design discussions, and system architecture reviews.

5. Documentation & Compliance

• Prepare detailed design documentation, API references, and release notes.
• Ensure adherence to coding standards, version control, and CI/CD pipelines.
• Contribute to internal knowledge sharing on communication protocol design and best practices.

Qualifications & Skills:

• Bachelor’s / Master’s degree in Electronics, Communication, or Computer Engineering.
• 5–10 years of experience in embedded firmware development with a focus on wireless communication protocols.
• Strong proficiency in C/C++, with a solid grasp of embedded system architecture and RTOS concepts.
• Experience with one or more wireless standards:
• Wi-SUN FAN, IEEE 802.15.4g/e, 6LoWPAN, RPL, Zigbee, Thread, BLE, LoRa, or NB-IoT.
• Hands-on experience with network layer protocols (IPv6, UDP/TCP, CoAP, ICMPv6).
• Practical knowledge of embedded debugging and analysis tools (JTAG, Logic Analyzer, Wireshark).
• Familiarity with hardware bring-up, RF interfaces, and low-power system design.
• Strong problem-solving, system-level thinking, and communication skills.

Preferred Attributes:

• Prior experience in Wi-SUN FAN-based IoT or Smart Metering systems.
• Exposure to wireless certification or interoperability testing (Wi-SUN, DLMS, etc.).
• Experience with continuous integration, version control (Git), and unit testing frameworks.
• Contributions to open-source embedded or networking projects are a plus.
• Ability to lead small teams or modules independently.

Why Join Us:

• Work on cutting-edge wireless IoT connectivity solutions that power Smart Energy and Smart City ecosystems.
• Opportunity to own key modules of communication stack development end-to-end.
• Collaborate with an expert R&D team working on next-generation mesh and LPWAN technologies.
• Grow your career toward Technical Architect / Module Lead roles in IoT networking.

Requirements:

•  Bachelor’s / Master’s degree in Electronics, Communication, Computer, or Electrical Engineering.
• 10–15 years of hands-on experience in embedded software/application development.
• Strong proficiency in C / C++, with understanding of real-time embedded environments (RTOS, Bare Metal).
• Experience with 8-bit / 32-bit microcontrollers (ARM Cortex-M, MSP430, STM32, or equivalent).
• Good understanding of RTOS concepts, inter-task communication, and scheduling.
• Experience in developing or integrating IoT communication protocols (MQTT, CoAP, DLMS/COSEM, Modbus).
• Hands-on experience with hardware interfaces (UART, SPI, I2C, GPIO, ADC, timers, watchdogs).
• Familiarity with version control systems (Git) and continuous integration (CI/CD).
• Excellent debugging, analytical, and problem-solving skills.
• Strong written and verbal communication skills.