Junior Firmware Engineer

4 weeks ago

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

About Rapid CircuitryAt 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 OverviewWe 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 ResponsibilitiesFirmware DevelopmentWrite, 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 IntegrationWork with sensors, actuators, and wireless modules for IoT and industrial devices.Perform board bring-up and basic hardware testing.Testing & DebuggingUse oscilloscopes, logic analyzers, and debuggers (JTAG/SWD) to troubleshoot hardware/firmware issues.Maintain clear documentation for code, hardware connections, and test procedures.CollaborationAssist senior engineers with proof-of-concept builds and production-ready firmware.Participate in daily stand-ups, sprint reviews, and technical discussions.Required Skills & QualificationsEducation: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) SkillsExperience 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 OfferHands-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 ProcessResume Submission – Share your resume with relevant projects or GitHub links.Technical Screening – Short test on embedded concepts and coding.Interview – Discussion on past projects, problem-solving, and hardware experience.Apply at: :

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