Sr. Embedded Firmware Developer

Job Title: Sr. Firmware Engineer / Sr. Embedded Firmware Developer

Location: Sector 62, Gurugram, Haryana 122101

Employment Type: Full-time

Experience Level: Required Experience, 3–5 years

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Please fill out the google form to proceed further: https://forms.gle/o2vg1hhR6T82VRyz9

About Us:

At Enlog, we are redefining energy management with innovative technology that helps businesses and communities reduce energy waste and embrace sustainable practices. As a vibrant startup, we offer a dynamic work culture, meaningful learning experiences, and the opportunity to contribute to a greener planet.

About the Role:

We are looking for a visionary Senior Firmware Engineer to spearhead the design & development of Firmware for embedded systems across Enlog’s electricity management verticals — from household-level edge devices to discom-grade grid infrastructure.

This role will define the future of decentralized energy intelligence in India, owning the entire firmware for interface and connectivity stack for existing products & newer grid-scale innovations. You’ll lead a cross-disciplinary team of Firmware engineers, embedded ML scientists to build the most advanced, compact, and intelligent power monitoring systems in the market.

Key Responsibilities

• Lead End-to-End Firmware Development
• Act as

  technical owner

  for firmware deliverables across multiple connectivity technologies.
• Lead architecture reviews, code reviews, and mentoring.
• Develop and maintain firmware on STM32 and ESP32 using FreeRTOS / ESP-IDF framework. 
• Implement and optimize LoRa / LoRaWAN stacks with Semtech (SX126x / SX127x) other devices.
• Design Wi-Fi STA, P2P, and Mesh networking on ESP32.
• Integrate LTE / LTE-M / NB-IoT modules using AT or vendor SDKs.
• Build robust connectivity state machines with fallback and recovery.
• Implement secure OTA updates with rollback support.
• Apply firmware security: secure boot, encryption, credential handling.
• Optimize memory, CPU, and power consumption.
• Debug and resolve system, protocol, and RF issues.
• Build and Manage a High-Impact Firmware Engineering Team

Requirements

• 3-5 years of hands-on experience in embedded firmware development.
• Strong proficiency in C and C++ for embedded systems.
• Solid understanding of OOP concepts (abstraction, inheritance, polymorphism, design patterns).
• Hands-on experience with STM32 and ESP32 microcontrollers.
• Expertise in FreeRTOS / ESP-IDF–based firmware development.
• Experience with LoRa / LoRaWAN and Semtech LoRa transceivers.
• Knowledge of Wi-Fi (STA, P2P, Mesh) and cellular (LTE / NB-IoT) interfaces.
• Proficient in Git (branching, merging, code reviews, CI workflows).
• Strong debugging skills using JTAG, logs, and protocol analyzers.
• Understanding of embedded security and OTA mechanisms.
• Ability to write clean, modular, and well-documented code.
• Proven track record of shipping production-ready IoT devices at scale.

Nice to Have

• Exposure to AI/ML in embedded systems is a strong plus.
• Experience with IoT platforms or edge computing
• Knowledge of Linux-based systems and scripting (Python/Bash)
• Familiarity with cloud integration (MQTT, REST APIs)
• Prior experience in a fast-paced startup environment
• Understanding of Embedded Hardware.