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Job Title: Embedded Firmware Engineer
Location: Gurugram
Employment Type: Full-time (Immediate Joiner)
Experience - 4-6 years
About Aaizel Tech:
Aaizel Tech is an innovative technology company at the forefront of developing advanced embedded solutions across diverse applications. We specialize in creating robust and cutting-edge products that integrate hardware and software seamlessly to solve real-world challenges. As a fast-growing startup, we offer an environment that nurtures creativity, technical excellence, and a strong sense of ownership.
Role Overview:
We are looking for a talented Embedded Systems Engineer to join our R&D team. The successful candidate will play a crucial role in designing, developing, and deploying embedded systems for our next-generation products. You will be involved in all phases of product development, including system architecture, firmware development, hardware integration, and field testing, ensuring that our solutions meet the highest standards of performance and reliability.
Key Responsibilities:
Develop production-grade firmware for STM32 (WL/H/L/F series).
Implement AES-128/256 encryption, secure key handling & data integrity checks (SHA/CRC).
Build firmware for LoRa PHY/MAC, long-range telemetry, and robust packet handling.
Sensor data acquisition & processing
Implement UART/SPI/I2C/ADC/DMA drivers using HAL/LL or register-level coding.
Develop communication stacks:
RS485/Modbus RTU
RS232
MQTT, TCP/IP, UDP
Work with FreeRTOS for multitasking & low-power firmware.
Implement bootloaders, OTA update flows & firmware versioning.
Debug firmware using SWD/JTAG, logic analyzer, DSO traces.
Optimize code for performance, low power, and reliability.
Required Skills, Qualifications and Experience:
● Educational Background: Bachelor’s or Master’s degree in Electronics, Electrical Engineering, Computer Science, or a related discipline.
4–6 years experience in embedded firmware development.
Strong in Embedded C, STM32CubeIDE, HAL/LL drivers.
Experience implementing secure communication (AES-128/256, SHA).
Hands-on with LoRa/FSK, packet framing, and RF-side debugging.
Good knowledge of RTOS (FreeRTOS), queues, tasks, ISRs.
Comfort with industrial communication: RS485/Modbus, RS232.
Understanding of data protocols (MQTT, TCP/IP, UDP).
Ability to independently debug firmware issues with SWD, DSO, and analyzers.
Basic understanding of PCB/Hardware just enough to debug firmware–hardware interaction.
Preferred Qualifications:
● Experience in low-power embedded systems design.
● Familiarity with real-time operating systems (RTOS) and embedded Linux environments.
● Previous experience in a startup or R&D-driven environment is a plus.
What We Offer:
● Competitive salary aligned with industry standards.
● A collaborative and innovative work environment with access to advanced resources.
● Opportunities for professional growth and skill development.
● Engaging projects that challenge your technical expertise.
Application Process:
If you are passionate about embedded systems and excited to work on next-generation technologies, we would love to hear from you. Please send your resume and a cover letter outlining your relevant experience to hr@aaizeltech.com, anju@aaizeltech.com
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