Embedded Developer

Job Description

Experience: Senior Hardware Engineer 4-7 years

Job Location: Pune

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Mandatory:

• Responsible for safety electronics hardware product from requirement till validation with certification body
• Design experience on Digital circuits, Analog circuits and microcontroller based design
• Experience/exposure on board bring-up testing, prototype testing and troubleshooting.
• Experience/exposure on Circuit simulation tools such as PSPICE, LTSpice and able to perform reviews
• Knowledge of schematic capture tools like Mentor Graphics DxDesigner and able to perform reviews
• Perform MATHCAD calculation (i.e. in excel or tool) based on hardware design and able to perform reviews
• Contributes to electronics hardware related functionality safety reviews
• Designs multilayer boards and worked on board stack up products
• Planning, Design, Analysis, Compliance / Precompliance Testing and Manufacturing of electronic board(s), product(s) with system understanding.
• Works closely with other engineering disciplines (e.g. mechatronics, internal and external industrial engineering, technical sales towards customer) to ensure quality, to fulfill the requirements and to reach target costs.
• Provides life cycle analysis of electronic components and suggest alternate for replacement
• Creates hardware documentation e.g. BOM, design and test specifications
• Performs activities after serial launch, e.g. change and obsolescence management.
• Good understanding of variety of electronic components and their function
• Understanding of PCB layout and able to perform Layout review

Desirable:

• Carryout FMEA/DFMEA analysis.
• Is responsible for product safety
• Requirement Engineering Certifications like CPRE
• Consults in commissioning products in the field, in order to support responsible 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.

Required Skills:

• 4+ years of experience in embedded software development.
• 2 - 4 years of hands-on experience in C/C++ programming.
• Knowledge of TCP/IP internals and common network protocols such as DHCP, DNS, IPV4/IPV6, NAT
• In-depth knowledge of Layer 2 and Layer 3 protocols (Ethernet, IP, TCP/UDP, MPLS, BGP, OSPF)
• In-depth knowledge of RDK-B architecture, TR-069/TR-181, and networking stacks
• Work on TR-069, TR-181 data models, and DOCSIS / DSL / GPON technologies
• Experience and knowledge on IEEE802.11/Wi-Fi protocols such as WPA, RADIUS, WPS, 802.11n/ac/ax/be, mesh networking

 Internship Opportunity – Embedded Systems & IoT

Join our hands-on internship program designed for engineering students passionate about core tech. You'll work on real-time projects involving microcontrollers, sensors, RTOS, circuit design, and IoT protocols.

Gain exposure to AI-integrated embedded applications and build a strong project portfolio with mentorship and placement support.

Location: Bangalore (Hybrid/On-site)

Duration: 2–3 months

Eligibility: Final-year students and pre final year (ECE/EEE/CSE/Mechatronics)

#EmbeddedSystems #IoTInternship #EngineeringInternship #CoreTechCareers #Microcontrollers #RTOS #PCBDesign #IoTProjects #KnowxInnovations #AIoT #TechInternship #SkillDevelopment #HandsOnLearning #BangaloreInternship #StudentInternship

Relevant experience: 2-3 years

Responsibilities:

1. Should be good at, C, C++, Linux driver development
2. Should have worked in protocol like i2S, SPI, i2C. rf, 6lowpan, Tcp / Ip stack etc..
3. Experience in porting MbedOS , FreeRTOS to different boards is good.
4. Analyzing and enhancing efficiency, stability and scalability of system resources
5. Design, develop, code, test and debug system software
6. Provide post production support
7. Interface with hardware design and development

Requirements:

1. Proven working experience in software engineering
2. Experience in hands-on development and troubleshooting on embedded targets
3. Solid programming experience in C or C++
4. Adequate knowledge of reading schematics and data sheets for components
5. Strong documentation and writing skills

Note: Self-motivated, goal oriented and good analytical skills.

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

8+ years of experience  Excellent skills in C/C++/Java programming in embedded domain 

Strong experience  in the area of Automotive, Android Embedded development and Connectivity Technologies
Strong experience on Android architecture, HAL, BSP, customize driver in Android HAL, Android boot up sequence
Familiar with Android Build System and procedure and able to provide ideas to improve continuous build and integration

Experience in Hardware peripherals like Ethernet, CAN, DMA, I2C, SPI, UART, Hardware Accelerator, AFE , LCD, backlight, touchcontroller

Experience with design/ modification to Hardware Abstraction Libraries (HAL) for Android support of low-level device features.
Experience in debugging on a wide range of Linux Kernel drivers and Android framework HALs e.g. Audio/Video, USB, Bluetooth, WiFi

  Fluent in industry standard software development tools: HSW/HE debuggers, code revision control systems (GIT, Perforce), IDEs and build tools
Exposure/experience in Automotive Embedded Software Development is a plus

DUTIES & RESPONSIBILITIES 

• Own & lead full cycle development: design, implementation, testing & debugging for an automotive product.
• Create conceptual system designs, assess risks, conduct design trade studies, and develop a product that meets feature requirements for integrating sensor, processing and software systems. 
• Lead innovative system development projects with responsibility for achievement of cost, schedule, and technical requirements, with an eye toward technology maturation, transition, and follow on work. 
• Generate comprehensive engineering documentation.
• Responsible for end-to-end system firmware development to include power management, boot loaders, scheduling, RTOS and /or bare metal implementations.
• Troubleshoot and resolve complex software problems in embedded real-time systems.
• Source code development, review & maintenance (C/C++).
• Dive into & take ownership of critical design issues.
• Analyse & propose solutions for performance bottlenecks.
• Address all aspects of technology readiness, including manufacturability. 
• Help build robust methodology and processes to deliver the technology to products. 

REQUIRED SKILLS & EXPERIENCE 

• Experience in embedded architecture, external interfaces, product constraints, along with ability to develop architectures / features that meet these constraints while providing new value for the platform. 
• Experience in system architecture, operating system, device architecture, hardware design.
• Strong background in software methodology & full cycle development (Design, implementation, testing & debugging).
• Expertise in embedded microcontrollers’ architecture.
• Expertise in software designing and programming in C/C++ is a must.
• Algorithm modelling, benchmarking, implementation & digital signal processing.
• Understanding of hardware & software co-verification & emulation platforms
• Experience in understanding hardware, clock-level issues, bridges, delays, interrupts, clock gating, polling etc. 
• Experience with lab instrumentation like oscilloscope, logic/ protocol for debugging embedded systems at HW level. 
• Bachelors | Masters degree in Computer Science or Electronics &  Communication engineering with 2-5 years of relevant experience is a must.