Junior Firmware Engineer

3 weeks ago

Hyderabad, Telangana, India RapidCircuitry (formerly Onivart Labs) Full time
About Rapid Circuitry

At Rapid Circuitry, we design and develop cutting-edge embedded systems, IoT devices, industrial automation solutions, and hardware prototypes for global clients. Our work spans PCB prototyping, low-level firmware, wireless communication systems, and sensor integration — turning ideas into production-ready solutions, fast.

If you're passionate about embedded programming, real hardware debugging, and seeing your code come to life in physical products, this is your chance to join a high-impact engineering team.

Role Overview

We are seeking a Junior Firmware Engineer to assist in developing, testing, and optimizing firmware for a wide range of embedded platforms (MCUs, SoCs, IoT boards). You'll work closely with senior engineers to bring projects from concept to deployment, contributing to R&D prototypes, client projects, and internal hardware innovations.

Key Responsibilities

Firmware Development

  • Write, debug, and optimize C/C++ firmware for microcontrollers (ESP32, STM32, Nordic nRF52, Arduino, etc.).
  • Implement communication protocols (UART, SPI, I²C, CAN, BLE, LoRa, Wi-Fi, MQTT).
  • Develop low-power and real-time embedded applications.

Hardware Integration

  • Work with sensors, actuators, and wireless modules for IoT and industrial devices.
  • Perform board bring-up and basic hardware testing.

Testing & Debugging

  • Use oscilloscopes, logic analyzers, and debuggers (JTAG/SWD) to troubleshoot hardware/firmware issues.
  • Maintain clear documentation for code, hardware connections, and test procedures.

Collaboration

  • Assist senior engineers with proof-of-concept builds and production-ready firmware.
  • Participate in daily stand-ups, sprint reviews, and technical discussions.
Required Skills & Qualifications

Education:

  • B.Tech / B.E in Electronics, Electrical, Computer Science, Instrumentation, or related field.

Technical Skills:

  • Strong knowledge of C/C++ for embedded systems.
  • Understanding of microcontroller architectures (ARM Cortex-M, Xtensa, AVR, etc.).
  • Familiarity with hardware interfaces like UART, I²C, SPI, GPIO, ADC/DAC.
  • Basic knowledge of version control (Git).

Tools & Platforms:

  • Arduino IDE, PlatformIO, or vendor-specific SDKs (ESP-IDF, STM32CubeMX, Nordic SDK).
  • Experience with hardware debugging tools (multimeter, oscilloscope, logic analyzer).

Soft Skills:

  • Eagerness to learn, problem-solving mindset, and strong attention to detail.
  • Ability to follow coding standards and write clean, maintainable code.
  • Good communication skills for collaborating in a multidisciplinary team.
Preferred (Good-to-Have) Skills
  • Experience with FreeRTOS or other RTOS-based systems.
  • Exposure to wireless protocols like BLE, Wi-Fi, LoRa, Zigbee.
  • Knowledge of low-power firmware design and battery-powered devices.
  • Basic Python scripting for testing or automation.
  • Familiarity with cloud integration for IoT (AWS IoT, Azure IoT, etc.).
What We Offer
  • Hands-on hardware exposure from day one.
  • Mentorship from experienced engineers in embedded systems & IoT.
  • Opportunity to work on diverse, high-impact client projects across industries.
  • Modern lab facilities with advanced test equipment.
Application Process
  1. Resume Submission – Share your resume with relevant projects or GitHub links.
  2. Technical Screening – Short test on embedded concepts and coding.
  3. Interview – Discussion on past projects, problem-solving, and hardware experience.

Apply at: careers@rapidcircuitry.com

  • Website: https://www.rapidcircuitry.com/careers

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