Senior 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.

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

About Statcon Electronics 

Statcon Electronics India Limited Statcon Electronics India Limited is a company specializing in the field of power electronics since its inception, with its roots going back to 1986. It has held prestigious clientage both nationally and internationally, with ABB, Alstom, BHEL, Indian Air Force, Indian Army, Indian Railways, GAIL, and Indian Oil, to name a few. SEIL has a diverse portfolio, spanning across 4 sectors – Railways, Power, Defence and Solar energy.  

About the position 

We are looking for a multiple embedded software engineers with experience in developing firmware for controlling power electronics systems. Openings are available for senior and principal engineer positions across multiple product streams, and target markets include the Indian subcontinent, Africa and North America. 

Required Technical skills 

• Demonstrated experience in developing embedded firmware for real-time power electronics systems using 16/32 bit ARM microcontrollers (ST Microelectronics preferred).  
• Must have shipped at least 1 major relevant product to the market which meets standard industry specifications. Experience with designing for North American/European markets a plus. 
• Experience with common communication protocols such as SPI, I2C, USB, UART, Bluetooth, Ethernet, RS232, and RS485 
• Experience with peripherals and systems such as ADC, DAC, timer, GPIO, PWM, DMA, NVIC, serial and parallel interfaces, memory, bootloaders and watchdog timers 
• Proficiency in advanced algorithm development using Embedded C 
• Experience with embedded software tools such as editors, assemblers, compilers, debuggers, simulators, emulators and Flash/OTP programmers. 
• Thorough understanding of power electronics topologies and control strategies 
• Good grasp over digital signal processing techniques 
• Ability to read and interpret component datasheets, PCB schematics and layout design 
• Familiarity with using measurement devices such as oscilloscopes, multimeters, function generators and logic analyzers to bring up and debug hardware 
• Demonstrated knowledge of firmware development best practices (code reviews, unit tests, Software Configuration Management, version control using git etc.) 
• Excellent documentation skills, and a good grasp over the English language 
• Comfort in using modern collaborative tools such as Slack/Microsoft Teams, JIRA/Trello/Microsoft Planner, Confluence/Microsoft OneNote and the like. 

Bonus Technical skills 

• Experience using at least one scripting language, preferably Python 
• Experience with designing for North American/European markets 
• Experience with designing for IEC and BIS standards 
• Familiarity with EMI/EMC process 
• Ability to simulate power electronics systems using Simulink/MATLAB or equivalent open-source tools 
• Familiarity with agile software development processes 
• Experience with Linux administration using command line 

Soft skills 

• Ability to mentor junior engineers and generate testing procedures for people of all skill levels 
• Excellent inter-personal skills 
• Strong attention to detail with the ability to work on tight deadlines 
• Team player with the ability to work independently under minimal supervision 
• Excellent problem-solving skills 
• Ability and desire to learn new technologies quickly 

Qualifications 

• Junior Engineer: A Master's (preferred) in Electrical/Electronics/Computer Engineering with 1 year of industrial experience, or a Bachelor's with 3 years of relevant industrial experience. 
• Senior Engineer: A Master's (preferred) in Electrical/Electronics/Computer Engineering with 4 years of industrial experience, or a Bachelor's with 6 years of relevant industrial experience. 
• Principal Engineer: A Master's (preferred) in Electrical /Electronics/Computer Engineering with 8 years of industrial experience, or a Bachelor's with 10 years of relevant industrial experience. 

Responsibilities 

• Develop, implement and test cutting-edge algorithms for medium and high-power AC-DC, DC-AC and AC-AC conversion of 1 phase and 3 phase AC systems up to 440 V AC, and DC-DC conversion of systems up to 1000 V DC. 
• Develop sensing and IoT solutions for power electronics embedded systems 
• Convert product requirements into technical specifications for Indian and international markets 
• Cover all stages (pertaining to firmware) of V model for product development 
• Generate technical documentation describing product functioning and test procedures for hand-off to SQA 
• Debug product failures in the field using data-driven analysis techniques 
• Mentor junior engineers 
• Host research talks on emerging technologies within the company 

Statcon Electronics is an Equal Opportunity Employer and considers applicants for all positions without regard to race, color, religion or belief, age, marital status, military/veteran status, genetic information, sexual orientation, gender identity, physical or mental disability or any other characteristic protected by applicable laws. Statcon Electronics is committed to creating a dynamic work environment that values diversity and inclusion, respect and integrity, customer focus, and innovation. For more information, visit www.sindia.co.in. 

Automotive Embedded Developer

Experience: 3-8 Years
Location: Bangalore, Hyderabad, Chennai, Pune, Thiruvananthapuram, Calicut
Company: Tata Elxsi

Skills : Embedded C, CAN Protocol, Vector Tools, Aspice. Design and Development of ECU 

• 3-7 years of experience in development of Algorithm & Functions for advance driver assist systems (ADAS), Autonomous driving (AD)
• Experienced in development using MATLAB Simulink, TargetLink, Stateflow
• Design and development of automotive feature/function software/components (ACC, AEB, TSR, LKA etc.) for ADAS/AD systems
• Coordination and regular interaction with different stakeholders and teams like testing, requirements, leads etc.
• Participate in SW requirement generation, SW architecture, detailed design etc

• Hands-on embedded C skills (mandatory)
• Experience with any microcontrollers MCU (mandatory) – Renesas/ Infineon/ Cypress/ ST-Micro /TI / Microchip
• Experience with any of peripherals & communication protocols usage in application development (mandatory) – UART, I2C, SPI, I2S, CAN, USB, ADC, DAC, EEPROM, Flash memory
• Experience with any RTOS – FreeRTOS, Azure RTOS, ThreadX
• Experience with any networking &  connectivity modules (preferred & added advantage) – Ethernet, WiFi, BLE, MQTT, COAP

ORGANIZATION

Launched in 2014, Oxit has continually focused on true innovation in IoT services through the creation
of solutions and products for an adaptive global business marketplace. Our diverse list of clienteles,
ranging across a multitude of industries, has grown to recognize and trust Oxit in partnering in all
aspects of Smart Technology capabilities from designing to prototyping, development and carefully
launching their ideas

ROLE

Proficient in connected objects, an IoT embedded engineer develops innovative solutions that help
users to receive, control and manage information.
Conceptualizing, designing, developing, & managing IoT end devices, middleware, interfaces, and
connectivity

RESPONSIBILITIES

PRIMARY RESPONSIBILITIES
● Analyze, discuss and understand user/business requirements
● Translate business requirements to optimizer solutions, system & firmware specifications
● Design & Implement firmware/software as per specifications and conduct unit tests
● Managing & building end devices and middleware (Gateway development)
● Connectivity solutions, protocol implementation, stack development (ex: Lora)
● Perform integration, acceptance tests, troubleshooting, and debugging
● Work in collaboration with other team members, leadership, and other departments towards
solution implementation and delivery
● Adhere to organization/project process standards and guidelines
● Handling internal (team, departments, and leadership) and external (customers & partners)
interactions
● Collaborate with and support Hardware team towards HW design & development
● Collaborate with and support Software team towards backend development, API definition &
interfacing, Mobile, Cloud, & Web application definition

SECONDARY RESPONSIBILITIES
● Researching, creating, and testing IoT solutions
● Designing platform solutions that are cloud-compatible and work with IoT applications
● Providing solutions to issues related to the connection of networks and platforms
● Contribute to improving quality, accelerating development and deployment - process improvement
and tools improvement
● Showcase ability to play different Agile roles and manage small teams
● Supporting management with client interactions and at times leading it

SKILLS

PRIMARY SKILLS
● Hands-on programming experience in C/C++/Python in Embedded/IoT environment
● Good working knowledge of Linux internals & application development
● Good working experience of RTOS & bare metal programming
● Hands-on experience in device driver development
● Hands-on experience with protocol implementation (wired & wireless)
● Experience in executing projects in an Agile/Waterfall model
● Exposure to Gateways, web/cloud computing technologies, APIs, sockets, & related tools
● Exposure to JavaScript, Node.js, and typescript is an added advantage
● Proficient in C, C++, and Python programming, Java script added advantage
● Good understanding of Linux internals, Linux System programming, and application development
on Linux
● Hands-on experience with Container technologies (LXD, Docker and/or Kubernetes)
● Working knowledge and experience implementing FUOTA, Device management
● Working knowledge of Security - Encryption, Decryption, Flash management
● Working knowledge of Web architecture, Interfacing (APIs, MQTT, etc.)
● Hands on experience with Yocto, Ubuntu Core
● Experience with R Pi or similar platforms
● Working Knowledge and experience with LoRaWan on both Gateway and Devices

● Prior experience working on IoT Gateways

SECONDARY SKILLS
● Firm understanding of IoT architecture and principles
● Knowledge of device and data security
● AWS or related cloud architecture, tools & setup, API development
● LoRa stack experience, Network gateway functionality, networking: TCP/IP, DNS, DHCP, HTTP
● ESP32 architecture, Free-RTOS experience
● Work and collaborate well with others
● Strong communication skills
● Strong analytical and problem-solving skills

WORK ENVIRONMENT
● Minimum 3 years of prior experience
with embedded, firmware, & IoT
● Available full time (40 hours a week)
● Remote working infrastructures
● Flexible remote work (work from
anywhere)
● Certain overlap with EST business hours
● Full time (Mon-Fri, 8 hrs/day)
● Agile way of working & mindset
● Team work, frequent interaction &
collaboration with team & leadership
● Collaborations & meetings through
video conferencing
● Friendly & collaborative environment

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