Functions Developer (Embedded c - Algorithm)

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.

Embedded Software - Linux 

Job Responsibilities: 

Linux development engineer working on microcontroller firmware development, Linux platform drivers and IoT solutions. Should be able to resolve technical roadblocks and deliver project commitments. Looking for someone with 2+ years in the embedded industry and a passion to grow along with the company. 

Selected candidates for this role will be reporting to the software tech lead/manager in the organization. 

• Embedded software development activities and Linux platform development.
• Work with QA teams to resolve bugs and ensure release readiness 

The main responsibilities of this role are: 

Technical: 

• Strong programming skills (C, C++, assembly) 
• Linux development experience (porting & platform drivers) 
• Knowledge of embedded microcontroller & microprocessor-based systems 
• Prior experience of delivering modules for microcontroller projects 
• Good understanding of commonly used embedded communication protocols 
• Good understanding of common embedded peripherals, interfaces & sensors 
• Experience working on Real-Time systems (RTOS) 
• Should be able to quickly learn new technologies.
• Should be able to work with minimal technical guidance 

Leadership: 

• This role requires excellent communication skills 
• Strong analytical & problem-solving skills 
• Prior experience working with overseas clients 
• Periodically report progress to manager.

Experience: 2 to 4 years

Key Responsibilities:

1.    Development, integration and testing of embedded software in the Embedded Linux RTOS

2.    Integrate Application based on Adaptive AUTOSAR Platform

3.    Contribute for Architecture, Detailed design, programming in C++ (11/14/17)

4.    Perform Unit, Integration Tests of developed Application

5.    Detail oriented systematic problem-solving approach in the embedded software.

6.    Debug embedded software on hardware platforms for issue identification and resolution

Minimum qualification criteria:

1.    Bachelor's degree in Electronics, Computer Science, Electrical Engineering, or related field

2.    2+ years of experience in software development in C or C++

3.    2+ years of experience in designing and implementing embedded systems for high performance, high reliability real-time embedded computing platforms

StartUp engaged in inventing and innovating Smart Energy Meters and related Technologies (OEM) requires Embedded Engineers. Following re-innovation principle and Technology First direction, we design Technologies to deliver our Vision of the highest Quality Products and Technologies. The candidate's responsibilities include IoT (COSEM/DLMS), technology integration. Required skills include Embedded C and C++ and knowledge of Electrical and Electronics.

• Become a member of the team responsible for IoT hub software development. IoT hub provides IoT functionality (smart home, smart appliance,…) to mobile and web clients and runs on Linux-based host like smart home hub, broadband router, STB, etc.
• Implementation and/or extension of leading wireless/wired protocols (ZigBee, Bluetooth, IP-based,..) for communication with smart devices
• Development of new features for control and monitoring of smart devices and automation of IoT system
• IoT hub software porting on various hosts
• Software optimizations

Position:             C++ Developer

Location:            Hyderabad

Requirements:

• Strong C++ skills obtained in multiple years of C++ programming experience (at least 3 years)
• Good understanding of embedded system development based on Linux OS
• Knowledge of advanced programming concepts (e.g. Multi-Threading, OS internals, Networking, IPC mechanisms)
• Solid understanding of computer networking (TCP/UDP/MQTT/SSL)
• Solid understanding of Git source code management system
• Troubleshooting skills
• B.Tech/M.Tech/MCA in computer science/ECE/EEE
• Fluent English

Develop, design, and implement embedded applications.

· Prepares appropriate documentation as required by internal product development processes

· Conducts and participates in design, code and test reviews and inspections, as well as the feasibility, efficacy and compliance to functional and regulatory standards.

· Works closely with the software team, the software verification team, the functional manager and the project manager.

· Collaborates with distributed, cross-functional teams to ensure products meet quality, performance, scalability, reliability and schedule goals.

· Investigates software, hardware, and system problems using a variety of techniques and provides innovative solutions.

· Conduct and participate in reviews and inspections for all elements in the firmware lifecycle to ensure that our code quality and customer satisfaction goals are achieved

· Integrate and validate new product designs

· Provide post-production support

Skill Sets:

• B.Tech. / M.Tech. (any stream)

· Good knowledge in firmware development field with more than 3 years of experience

· Basic knowledge of software life cycle, algorithm and data structure.

· Excellent knowledge of OS, coding techniques, IP protocols, interfaces and hardware subsystems

· Adequate knowledge of reading schematics and data sheets for components.

· Ability to understand the electrical schematics and work closely with electrical team.

· Experience with Real Time Operating Systems and Embedded Linux.

· Mode of network connectivity - good idea about GSM/GPRS, Wifi, Ethernet mode of connections. TCP, MQTT, HTTP mode of connection will be a big plus

· Protocols Like UART, SPI, I2C, CAN, MODBUS, TCP/IP, USB, Bluetooth.

· Experience in modules like Wi-Fi, BLE, Lora WAN, ZIGBEE, RF etc.

· Should have experience in working with TFT and LED displays.

· Extensive experience in micro-controller/microprocessor (like ARM Cortex M, ESP32, STM Chips, NXP, BeagleBone , ESP chips, BeagleBone black, STM Chips, Atmega chips etc.)

· Familiarity with software configuration management tools, defect tracking tools, and peer review (GIT, SVN)

· History of driving project execution and timely delivery while ensuring a quality focus.

· Experience writing / interfacing with device drivers.

· Experience in Agile development processes and philosophies.

· Strong documentation and writing skills

Mandatory Skills:

· Basics of embedded system development

· Embedded C/C++

· Scripting Lang - Python

· Basics of wireless communication

· RTOS

· Strong Problem-Solving Skills

· Analytical Skills (Good Aptitude)

· Communication Skills

Job Description:

WLAN Linux Device Driver development (802.11ax preferred)

• WLAN Debugging
• WLAN Firmware development (802.11ac, 802.11n)
• Networking/Wireless Domain knowledge
• Hostapd, Supplicant
• Cross compiling/porting experience
• Performance optimization & Firmware enhancements

Must have Skills:

• 1-10 years of experience in Embedded Software Design, Implementation and testing
• Good knowledge of C or C++
• Basic knowledge in Scripting (Shell, Perl or Python)
• Proficiency in Problem Solving and Debugging skills
• Excellent team working skills
• Experience with version control e.g. GIT
• Basic experience of working in Linux OS
• Network Drivers
• WLAN Protocol Knowledge – 11n, 11ac
• WLAN Linux Device Drivers
• Hostpad, Supplicant
• WLAN Debugging
• Fluent in English

Desired Candidate Details:

• Design, development, and maintenance
• WLAN Stack development and debugging
• Feature Enhancements, Applications, Tools for SDKs
• Basic module level unit testing, System testing
• Providing support to technical documentation team and field application engineers
• Close collaboration with the Chipset Vendor on the Software Development
• Participations in the Product design and Software Design Documentation – High level / Module level / Low level design
• Troubleshooting software and architectural issues

We are looking for a seasoned Wireless LAN Software Engineer to join our Wireless & Networking team in Chennai, Pollachi, Kochi (Cochin), Gurugram, Manesar, Bengaluru (Bangalore). The candidate must be an experienced Engineer and a good team player, who will work on Wireless software solutions which will enable us to develop the products for our customers quickly with industry leading quality. Working with Embedded Software in agile development projects, you will be responsible for creating and maintaining software of Wireless Access Point and Router Products including Module design, Development, JIRA Updates and Unit testing of the Software that is meeting industry standards, creating demos of the solution and customer support.