Join our innovative team as an IoT Firmware Developer to design, develop, and maintain embedded firmware for cutting-edge IoT devices.

About the Company

Tag-N-Trac is revolutionizing the logistics industry with an AI-driven, full-stack IoT traceability solution that leverages smart labels and ultra-low-power devices. By using advanced technologies, we enable end-to-end supply chain digitization, providing unprecedented visibility into assets and shipments in real-time. Our focus on innovation and customer-centric solutions has positioned us as leaders in the field of supply chain logistics.

Role Overview

We are looking for a skilled IoT Firmware Developer who will be a vital part of our team. In this role, you will design, develop, test, and maintain embedded firmware for our connected smart labels and devices. You will work alongside a dedicated firmware team and collaborate with hardware, platform, cloud, and product teams to create reliable, secure, and efficient IoT products.

Key Responsibilities

• Design, implement, debug, and maintain embedded firmware for IoT devices, sensors, gateways, and edge hardware.
• Develop production-quality C code suitable for resource-constrained, low-power embedded environments.
• Implement connectivity solutions across various wireless protocols including 4G LTE, LTE-M, NB-IoT, BLE, and Wi-Fi, along with standard hardware interfaces such as UART, SPI, I2C, MQTT, and AWS IoT.
• Collaborate with hardware engineers to manage board bring-up, schematic reviews, and hardware/software integration.
• Create and maintain secure OTA firmware update mechanisms.
• Optimize firmware performance while managing memory footprint, reliability, and power efficiency.
• Employ lab equipment to debug hardware/firmware issues and validate quality through testing.
• Support the manufacturing process with test fixtures, production flashing, and diagnostics.

Tech Stack

• Programming Languages: C
• Protocols: BLE, LTE-M, NB-IoT, Wi-Fi, UART, SPI, I2C
• Platforms: AWS IoT
• Tools: FreeRTOS, unit testing frameworks, manufacturing test fixtures
• Development Tools: Make, CMake, Python scripting

You will be part of a passionate team that values innovation and creativity. Elevate your career by joining us in reshaping the future of the logistics industry!

Required Qualifications

• Bachelor’s degree in Electrical Engineering, Computer Engineering, Computer Science, or related field, or equivalent practical experience.
• 3+ years of hands-on embedded firmware development for IoT or related products.
• Strong proficiency in C in resource-constrained environments.
• Solid understanding of RTOS concepts (FreeRTOS or equivalent) — tasks, interrupts, concurrency, memory management.
• Knowledge of battery-powered design — sleep modes, power profiling, energy optimization.
• Hands-on experience with wireless protocols (BLE, LTE-M, NB-IoT, Wi-Fi) and standard hardware interfaces (UART, SPI, I2C).
• Experience with cloud-connected IoT platforms — device provisioning, telemetry, OTA updates, AWS IoT or equivalent.
• Experience with manufacturing test fixtures, production flashing, device calibration, or field service diagnostics.

Nice to Have

• Experience with build systems (Make, CMake), unit testing frameworks (Unity or equivalent), and Python scripting.
• Familiarity with regulatory, safety, or cybersecurity requirements for production devices (e.g., FCC certification).
• Familiarity with Git and collaborative engineering workflows.

• Competitive salary.
• Opportunity to work with cutting-edge technology in the IoT space.
• Collaborative work environment with a focus on innovation.
• Professional development opportunities.
• Work in a dynamic and mission-focused team located at T-Hub in Hyderabad’s Knowledge City.