Firmware Engineer

Job Title: Embedded Firmware Engineer (RF Focus)

Location: Gurgaon, Haryana (On -site)

Employment Type: Full-Time

Experience: 3-5 years

We’re hiring an Embedded Firmware Engineer (3–5 yrs) with strong experience in Sub-GHz RF, LoRa/LoRaWAN, and IoT systems. The role focuses on firmware development, RF communication, and secure telemetry.

About Aaizel Tech

Aaizel Tech is a pioneering tech startup at the intersection of cybersecurity, AI, geospatial solutions, and more. We drive innovation by delivering transformative technology solutions across industries. As part of our dynamic team, you'll gain hands-on experience and learn from experts who are dedicated to pushing the boundaries of what's possible.

Responsibilities

• Develop firmware for STM32 (WL/H/L/F series)

• Design & implement Sub-GHz RF (403/433/868/915 MHz) systems

• Work on LoRa PHY/MAC & LoRaWAN stack (OTAA/ABP, uplink/downlink)

• Perform RF testing & debugging (RSSI, SNR, range testing, SDR/spectrum tools)

• Implement secure communication (AES-128/256, CRC/SHA)

• Develop drivers: UART, SPI, I2C, ADC, DMA

• Work with FreeRTOS (tasks, queues, ISRs, low power)

• Build communication stacks: RS485/Modbus, RS232, MQTT, TCP/IP, UDP

• Implement bootloader & OTA updates

• Debug using SWD/JTAG, logic analyzer, DSO

• Optimize for performance, power, and RF reliability

Requirements

• 3–5 years in embedded firmware + RF systems

• Strong in Embedded C, STM32CubeIDE, HAL/LL

• Hands-on with LoRa/LoRaWAN & Sub-GHz communication

• Understanding of RF fundamentals (link budget, interference, antennas)

• Experience in secure communication (AES)

• Good knowledge of FreeRTOS & industrial protocols (RS485/Modbus)

• Strong debugging skills (firmware + RF)

• Basic hardware/RF PCB understanding

Good to Have

• Experience with ChirpStack / TTN

• Knowledge of FSK/GFSK

• RF certification exposure (CE/FCC/ETSI)

How to Apply

• Please submit your resume, portfolio, and a cover letter outlining your relevant experience and how you can contribute to Aaizel Tech’s success.

𝐒𝐞𝐧𝐢𝐨𝐫 𝐒𝐭𝐚𝐟𝐟 𝐄𝐧𝐠𝐢𝐧𝐞𝐞𝐫 – Android Automotive (AAOS)

𝐄𝐱𝐩𝐞𝐫𝐢𝐞𝐧𝐜𝐞: 4–10 𝐘𝐞𝐚𝐫𝐬

Mandatory skills: Android Automotive OS (AAOS/AOSP), Android Application Framework, System Services, Binder IPC (AIDL/HIDL), Java, C++, Automotive Infotainment, CAN/Ethernet, ASPICE (preferred)

𝐎𝐓𝐀 𝐅𝐫𝐚𝐦𝐞𝐰𝐨𝐫𝐤 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫

𝐄𝐱𝐩𝐞𝐫𝐢𝐞𝐧𝐜𝐞: 5–10 𝐘𝐞𝐚𝐫𝐬

Mandatory skills: Automotive OTA Framework, C/C++, Embedded Linux, Uptane, FOTA/SOTA, A/B partitioning, Bootloader interaction, Secure OTA (PKI, SSL/TLS), CAN, UDS, DoIP

𝐓𝐞𝐥𝐞𝐦𝐚𝐭𝐢𝐜𝐬 𝐅𝐫𝐚𝐦𝐞𝐰𝐨𝐫𝐤 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫

𝐄𝐱𝐩𝐞𝐫𝐢𝐞𝐧𝐜𝐞: 5–10 𝐘𝐞𝐚𝐫𝐬

Mandatory skills: Telematics/Connected Vehicle platforms, Embedded Linux, C++, 4G/5G, Wi-Fi, Bluetooth, GNSS, Vehicle Data, MQTT, HTTP/HTTPS, LwM2M, CAN, Ethernet, UDS.

Position: Senior Embedded Software Engineer – PCIe / Embedded Linux

Location: Bangalore (Preferred)

Experience: 7+ years

Night Shift

About the Role:

We are seeking a highly skilled Senior Embedded Engineer with strong expertise in Embedded Linux and PCIe protocol development. The ideal candidate will have deep technical knowledge of PCIe (Gen4 and above) and experience in developing and debugging embedded systems at both hardware and software levels. Exposure to AI/ML or accelerator-based systems will be considered a strong plus.

Key Responsibilities:

• Design, develop, and optimize embedded software on Linux and RTOS platforms.
• Implement and validate PCIe-based communication and device drivers (Gen4 minimum, Gen5/6 preferred).
• Work closely with hardware and system teams to debug low-level issues related to PCIe interfaces.
• Develop firmware and system-level software components for high-performance embedded platforms.
• Participate in board bring-up, performance optimization, and hardware/software integration.
• Contribute to system architecture discussions and design reviews.
• Document design, testing procedures, and performance analysis.

Core Skills Required:

• Embedded Linux development (mandatory).
• Deep understanding of PCIe protocols (Gen4 minimum; Gen5/6 preferred).
• Strong knowledge of low-level driver development, DMA, interrupts, and memory management.
• Experience with Embedded RTOS environments.
• Familiarity with hardware debugging tools (e.g., JTAG, logic analyzers, oscilloscopes).
• Proficiency in C/C++ and scripting (Python, Shell).
• Excellent problem-solving and debugging skills.

Preferred Skills (Good to Have):

• Exposure to AI/ML hardware accelerators or data processing units (DPUs).
• Understanding of SoC architecture and high-speed interconnects.
• Experience working with multi-core systems and performance tuning.

Education:

• Bachelor’s or Master’s degree in Computer Engineering, Electronics, or related field.

Job Summary

We are seeking a highly skilled and motivated Linux Device Driver Engineer with strong C/C++ programming skills and hands-on experience in Linux driver development. The ideal candidate will have a proven track record of working with kernel modules and hardware interfaces, and be comfortable debugging and optimizing low-level system software.

Key Responsibilities

• Porting existing Linux device drivers to new platforms, SoCs, and kernel versions.
• New driver development for custom hardware components and peripherals.
• Debugging kernel and driver-level issues using industry-standard tools.
• Integration & bring-up of hardware with Linux-based systems.
• Collaborate with hardware teams to interpret specifications and enable device functionality.
• Optimize drivers for performance, reliability, and resource efficiency.
• Write clear technical documentation for driver APIs, design, and integration steps.

Required Skills & Qualifications

• Bachelor’s/Master’s in Computer Science, Electronics, or related field.
• 4 to 8 years of professional experience in software development.
• Strong proficiency in C/C++ programming and memory management.
• Hands-on experience with any Linux device driver (character, block, network, USB, PCIe, I2C, SPI, etc.).
• Good understanding of Linux kernel architecture, module programming, and build systems.
• Knowledge of interrupt handling, DMA, and device tree configuration.
• Familiarity with cross-compilation and embedded Linux toolchains.
• Experience with debugging tools (GDB, ftrace, perf, printk, etc.).
• Version control experience (Git).

Preferred Skills

• Exposure to multiple driver types (networking, storage, multimedia, etc.).
• Experience with Yocto, Buildroot, or similar embedded Linux environments.
• Knowledge of real-time Linux and RT patches.
• Scripting knowledge (Python, Bash) for testing and automation.

Soft Skills

• Strong analytical and debugging skills.
• Good communication and collaboration abilities.
• Ability to work independently and take ownership of deliverables.

• Work directly with the other Software/Firmware Engineers and Electrical/RF/Systems Test Engineers to write needed software
• Design and implement software platform for firmware on embedded CPUs with multiple OS such as Windows, Linux, FreeRTOS, TI-RTOS and embedded Linux
• Use compliers, debuggers revision control and automated build systems.
• Design/develop components of software platform for use by other developers to extend its capabilities and build custom applications/behavior on top
• Develop build methodologies, debugging tools/utilities
• Develop and release Software using Agile methodology
• Write unit tests and support continuous integration and automated test methodology
• Brainstorm for new ideas and ways to improvement product and processes
• Consult with peers for feedback during debug/testing stages
• Document and maintain design processes

• Degree : B.E. or M.S. EE/CS/CE
• Methodologies: SV, UVM & OVM
• Areas of Work: Digital Verification (both IP / SOC)
• Protocol : Knowledge of PCIe/DDR/Ethernet/USB is Plus
• Familiar with Bus protocols like AXI, AHB, SPI and I2C

• Technical Experience on Physical Layer of 3GPP LTE Experience on DSP Development\
• Proficient in C
• Good understanding of Wireless Communications
• Experience on MAC-PHY interface
• Behavioral Interpersonal skills & Ability to work in team
• Good Communication Skills Good Analytical Skills
• Customer Orientation Job Title LTE Developer with DSP Physical Layer(Engineer/Senior Engineer)