Embedded Firmware Engineer -RF Focus

Greetings from Skoegle IoT Innovations Pvt Ltd 

Job Summary

We are looking for an experienced Embedded Firmware Engineer with expertise in embedded systems, firmware architecture, RTOS, and embedded software development for IoT, wearable, automotive, industrial, and medical-grade products.

Key Responsibilities

• Design, develop, debug, and maintain firmware in C, C++, and Embedded C.

• Develop firmware for ESP32, nRF52832/52840, ATmega328P, and Raspberry Pi platforms.

• Integrate sensors using I2C, SPI, UART, ADC, GPIO, PWM, CAN, and USB.

• Develop RTOS and bare-metal firmware.

• Implement BLE, GSM/4G, GPS/GNSS, LoRa, Wi-Fi, NFC/RFID communication.

• Design bootloaders, OTA updates, and secure firmware upgrades.

• Optimize power consumption, sleep modes, memory allocation, and performance.

• Develop sensor drivers, calibration routines, and medical-grade firmware.

• Program bare ICs and support PCB bring-up, pin selection, and hardware validation.

• Support HTTP/HTTPS GET/POST/PUT APIs and embedded networking.

Required Skills

• Embedded Systems and Embedded Software Development

• C, C++, Embedded C

• RTOS, Bare-Metal Programming

• Operating Systems fundamentals

• I2C, SPI, UART, Digital & Analog Signals

• Sensor Integration

• Arduino IDE, VS Code, SEGGER Embedded Studio, J-Link

• ESP32 Series, nRF52832/52840, ATmega328P, Raspberry Pi

• BLE (UUIDs), GSM (band configuration), GPS, LoRa

• Python, HTML, HTTP/HTTPS

• Bootloader Development, OTA, Power Optimization

• Memory Allocation, Sleep Modes, Sensor Calibration

• Machine Learning on Embedded Systems (preferred)

We are looking for a Firmware Engineer to develop software for our embedded hardware.

Responsibilities

• Write and maintain firmware in Embedded C
• Develop drivers for I2C, SPI and UART peripherals
• Work with RTOS-based systems
• Debug on hardware using oscilloscopes and debuggers

Requirements

• 1+ years of firmware development
• Strong Embedded C programming
• Experience with ARM or similar microcontrollers

We are hiring an Embedded Software Engineer to develop firmware and low-level software for embedded devices and connected products.

Responsibilities

• Develop firmware in Embedded C and C++ for microcontroller-based systems
• Build real-time applications on RTOS platforms such as FreeRTOS
• Write and maintain device drivers for peripherals (UART, SPI, I2C, CAN)
• Develop and customise Embedded Linux components
• Debug hardware and software issues using oscilloscopes, JTAG and debuggers
• Work with hardware teams on board bring-up and testing

Requirements

• 1+ years of experience in embedded software development
• Strong Embedded C and C++ programming skills
• Hands-on experience with microcontrollers (ARM Cortex, STM32, ESP32 or similar)
• Experience with RTOS and device driver development
• Exposure to Embedded Linux is a plus

We are looking for an IoT Engineer to build connected devices and their cloud integrations.

Responsibilities

• Develop firmware and software for IoT devices
• Integrate sensors and microcontrollers
• Connect devices to cloud platforms using MQTT and REST
• Test, debug and improve device reliability

Requirements

• 1+ years of IoT or embedded development
• Hands-on experience with microcontrollers and sensors
• Knowledge of IoT protocols such as MQTT

Job Summary:

We are seeking a skilled Firmware Developer with 3 years of experience to join our team. The successful candidate will be responsible for developing and maintaining embedded software for our products. The candidate should have a strong understanding of the software development life cycle, embedded systems, and the C programming language.

Key Responsibilities:

• Develop and maintain embedded software for our products

• Design and implement software modules and drivers for embedded systems

• Collaborate with hardware engineers to integrate software and hardware components

• Test and debug embedded software

• Create and maintain technical documentation

• Participate in code reviews and contribute to software architecture and design discussions

• Stay up-to-date with the latest trends and technologies in embedded systems and software development

Requirements:

• Bachelor’s degree in Computer Science, Electrical Engineering, or a related field

• 3 years of experience in embedded software development

• Strong understanding of software development life cycle

• Proficiency in C programming language

• Experience with embedded systems and microcontrollers

• Experience with communication protocols such as SPI, I2C, UART, and CAN

• Familiarity with software development tools such as Git, Jira, and Jenkins

• Strong analytical and problem-solving skills

• Ability to work independently and in a team environment

• Excellent communication and interpersonal skills

Preferred qualifications:

• Degree in Electrical Engineering, or a related field

• Experience with wireless communication protocols such as Bluetooth, LoRa & Wi-Fi

• Knowledge of real-time operating systems such as FreeRTOS, uC/OS-II, or VxWorks

• Experience with Agile software development methodologies

Benefits:

• Health insurance
• Leave encashment
• Paid sick time
• Provident Fund
• 
  

Job Type: Full Time

Job Location: Perundurai

State Wise: Tamil Nadu

Divison Wise: R & D Division

We are looking for Embedded Developer with Leading Global MNC - Faridabad

Description:

• Strong experience with 32-bit microcontrollers such as STM32, NXP, Renesas, TI, Microchip, etc.
• Excellent knowledge of C/C++ programming and exposure to Assembly.
• Strong experience with RTOS such as FreeRTOS, µC/OS, embOS, VxWorks, QNX, etc.
• Hands-on experience in developing HAL, BSP and low-level device drivers.
• Strong understanding of microcontroller peripherals and interfaces** including ADC, DAC, I2C, SPI, UART, CAN/CAN FD, RS485, DMA, Ethernet, SD/eMMC, SDIO, etc.
• Strong experience with Automotive communication protocols such as CAN, CAN FD, LIN, J1939 and UDS.
• Knowledge of AUTOSAR concepts and architecture is an advantage.
• Experience with automotive diagnostics, ECU communication, and vehicle network architecture.
• Hands-on experience using Oscilloscope, Logic Analyzer, Function Generator, Multimeter and other debugging equipment.
• Experience in board bring-up, hardware-software integration and debugging of embedded boards.
• Ability to debug power, clock, reset, communication interfaces, and peripheral-related hardware issues at board level.
• Good understanding of schematics, PCB layouts and electronic circuits around microcontrollers and ARM-based systems.
• Ability to work closely with hardware engineers for design reviews, component selection, hardware validation, and issue resolution.
• Experience with prototype board testing, hardware validation, and root-cause analysis of HW/SW issues.
• Experience in reverse engineering and debugging of embedded systems.
• Strong understanding of embedded system architecture and system-level design.
• Experience with Embedded Linux and/or RTOS-based systems is an advantage.
• Knowledge of networking concepts including OSI layers, TCP/IP stacks and common IP protocols is a plus.
• Knowledge of NMEA/NMEA 2000 standards is a plus.
• Exposure to ASPICE, ISO 26262, MISRA-C and automotive cybersecurity is an advantage.
• Experience with automotive development and debugging tools such as Vector CANoe/CANalyzer is a plus.

Roles & Responsibilities:

The right person for this position should have 7+ years of experience in Embedded Systems, preferably with strong exposure to Automotive Embedded Systems.

The candidate should be passionate, technology-driven, and have a strong interest in embedded devices, automotive electronics, IoT, and connected vehicle technologies.

The candidate should be capable of understanding system and product requirements, translating them into technical tasks and solutions, and working as a senior technical individual contributor while collaborating effectively with cross-functional teams.

About Jinn

Jinn is a Voice AI Tech Company. It helps businesses get better RoI specially by helping sales processes with the use of Voice AI Tech. We are adding a business line which includes an audio device that can reliably capture audio in various environments.

About role:

• This Role in a B2B SaaS startup in AI space led by 2X entrepreneurs from IIT, IIMs. Fast paced with a lot of learning and growth.
• Responsibility: Helping engineer/assemble/bring together an IoT/ hardware device that can accomplish product goals with required constraints. Great high stakes exposure for fresh grads
• Duration: 3-6 months internship || Converts to Full Time based on performance 
• Compensation (Stipend): 20-25k per month || Full time 4.5lpa - 6LPA

Ideal Profile: Interested in building a career in IoT/Tech, good communication, good discipline, solid understand of tech (AI)

Skill Sets

Look for someone who:

•⁠ ⁠Has built at least 1 IoT project end-to-end

•⁠ ⁠Knows Arduino + one of ESP32 / nRF52

•⁠ ⁠Has touched audio input (even basic)

•⁠ ⁠Is comfortable debugging hardware (this is key)

1.⁠ ⁠Embedded Systems Programming (Must-have)

•⁠ ⁠C/C++ (Arduino framework or ESP-IDF)

•⁠ ⁠Working with:

  * ESP32 OR

  * Seeed Studio XIAO BLE nRF52840 Sense

•⁠ ⁠Skills:

  * GPIO, I2S (for mic input)

  * Power modes (deep sleep, wake triggers)

  * Memory constraints (huge in audio use cases)

👉 This is the backbone. If they can’t do this well, project stalls.

2.⁠ ⁠Audio Handling + Signal Basics

•⁠ ⁠Understanding:

  * Sampling rate (16kHz vs 44.1kHz)

  * PCM audio buffers

  * Latency vs quality trade-offs

•⁠ ⁠Practical skills:

  * Using I2S microphones (INMP441, etc.)

  * Basic noise filtering

  * Voice Activity Detection (VAD)

👉 Without this, you’ll just get noisy unusable recordings.

3.⁠ ⁠Power & Hardware Basics (Often underestimated)

•⁠ ⁠LiPo battery handling

•⁠ ⁠Charging IC (TP4056 type)

•⁠ ⁠Power optimization:

  * Sleep modes

  * Sampling intervals

Many prototypes fail here (battery drains in 1 hour 😅)

4.⁠ ⁠Connectivity (BLE / WiFi)

•⁠ ⁠BLE (for XIAO nRF52840):

  * Data chunking (BLE MTU limits!)

  * Pairing + mobile relay model

•⁠ ⁠WiFi (for ESP32):

  * HTTP / WebSocket streaming

  * Retry + buffering

Trade

Power Electric Vehicles with embedded software for battery management and autonomous driving.

What you'll do:

• Develop BMS algorithms (SOC/SOH estimation)
• Implement CAN bus communication protocols
• Code motor control algorithms (FOC, sensorless)
• Build ADAS features (ultrasonic parking, vision)
• HIL testing with Vector tools
• Optimize for automotive-grade reliability (AUTOSAR)

What we need:

• C/C++, Embedded Linux/RTOS
• Microcontroller experience (STM32, NXP)
• Control systems or automotive interest
• Debugging skills (oscilloscopes, logic analyzers)

Future-proof skills:

• Work on actual EV prototypes
• Portfolio for Tata, Mahindra EV teams
• Automotive cybersecurity exposure

Key Responsibilities:

 - Develop and customize OpenWrt build systems for operator-specific router distributions

 - Build high-performance network stacks and middleware for Wi-Fi 6/7 & 5G-FWA routers

 - Implement TR-181/USP/TR-369 device management standards for global operators

 - Design scalable, modular embedded Linux systems for complex CPE environments

 - Debug and resolve critical issues: kernel panics, memory leaks, race conditions

 - Collaborate with hardware and product teams to deliver carrier-grade solutions

Must-Have Skills:

 - OpenWrt Proficiency: Customizing build systems, package configurations, feeds

 - Programming: Advanced C/C++ for resource-efficient, high-performance networking

 - Network Stack & Protocols:

   - IPv4/IPv6: Dual-stack, DHCPv4/v6, SLAAC, Prefix Delegation, MAP-T/E, DS-Lite

   - L2/L3: Linux Bridge, VLAN 802.1Q/QinQ, SoC hardware offloading

   - Routing: Multi-WAN, Failover, Policy-Based Routing, IGMP/MLD Snooping/Proxy

 - Device Management: TR-181/TR-098 data models, USP/TR-369 experience

 - Debugging: GDB, Valgrind, JTAG, Wireshark, Tcpdump

 - System Design: Defining software interfaces & integrating cross-platform middleware

Preferred Qualifications:

 - Hands-on with Airoha SDKs & MediaTek WiFi drivers

 - Familiarity with RDK-B, prplOS, prplLCM

 - QoS/QoE: Traffic Shaping - tc, HTB, FQ_CoDEL, DPI, traffic classification for Gaming/VoIP

 - Security: Firewall4/Nftables, Iptables, VPN - WireGuard, IPsec, hardware crypto-acceleration

• Design and implement scalable IoT solutions from sensor to cloud, ensuring seamless integration between

vehicle hardware (fuel sensors, GPS trackers, OBD devices) and the Anytime Diesel platform

• Integrate industrial and automotive sensors, microcontrollers, and gateways with the platform

• Develop, optimize, and troubleshoot data flow using protocols such as CAN bus, Modbus, RS485, TCP, and

RTU

• Manage the full IoT device lifecycle across the fleet — provisioning, remote configuration, health monitoring,

and OTA/FOTA firmware updates

• Collaborate with software, data, and operations teams to define data models and ensure clean data ingestion for

fleet analytics

• Conduct testing, debugging, and performance analysis of embedded firmware and IoT systems using tools like

oscilloscopes and logic analyzers

• Create technical documentation — architecture diagrams, API specs, and deployment guides