Khushboo Soni

About Khushboo Soni

Experienced Embedded Firmware Engineer with expertise in real-time embedded software development and Testing.Responsibilities:• Contributed to the firmware development of Type II IoT medical devices including hand sanitizer dispenser, ClO2 antimicrobial system and connected diagnostic tools, focusing on reliability, safety, and data integrity.• Experience in low-level hardware bring-up and Implemented the low-level drivers for UART, I2C, SPI, GPIO, ADCs, and other peripherals.• Designed and implemented communication protocols (BLE, WiFi) for data transmission between medical devices and cloud servers, ensuring secure and efficient data exchange.• Familiarity with Flatbuffers, COBS encoding, and other efficient data serialization methods.• Reviewed schematics from a software perspective, ensuring compatibility with the embedded systems, sensors, and peripherals used in medical IoT devices.• Use tools like JTAG/SWD, oscilloscopes, and logic analyzers.• Familiar with Jira, Confluence, and GitHub.• Understanding of compliance testing (FCC,UL) and Quality Processes and Systems.Skills & Tools:• Programming Languages: Embedded C, C++, Python 3.0.• Operating Systems: Windows, Linux Ubuntu.• MCUs: ARM Cortex M4 (STM32F407), ARM Cortex M7(STM32H753VIT6 ), ESP32• Protocols: CAN, I2C, SPI, UART, BLE, JTAG, SWD, WiFi.• IDEs/Tools: STM32Cube IDE, Keil, Visual Studio, Eclipse, Arduino IDE, VMware.• Management Tools: PTC Integrity, GitHub, Jenkins, IBM DOORs, JIRA.• QA Skills: STLC, SDLC, test case design, bug discovery, regression, and functional testing.• DevOps & CI/CD: Git, Jenkins, Docker,Bitbucket,Amazon Cloud/IoT services.• Automation: GTest, CUnit.• Miscellaneous: Raspberry Pi projects, Linux Kernel building, Yocto Project knowledge.• Medical Device Compliance: Exposure to FDA regulations and medical device software validation processes.Educational Background-> Bachelor’s degree in Electronics and Communication Engineering.

Experience

1. Senior Embedded Firmware Engineer

   Chorus

   May 2024 — Present · Marlborough, MA, US

   Chorus is creating a smart IoT device that continuously manages air quality in critical indoor spaces by generating and controlling ultra-low levels of chlorine dioxide (ClO₂). It features on-demand gas production, real-time sensing, automated control, and cloud monitoring for safe, efficient air disinfection.• Developed firmware for the ST25R95 NFC reader on the X-NUCLEO-NFC03A1 board, enabling RFID-based cartridge identification and consumption tracking.• Wrote low-level firmware for STM32 microcontroller, optimizing communication (SPI, I2C, UART) and controlling components like motors, actuators, and USB hubs.• Migrated to ESP32 “R2” with external SPI SRAM to resolve memory issues and enhance scalability.• Participated in a range of testing activities including functional testing, automated regression testing,simulating real-world use cases to validate reliability and evaluating testability for both product development and manufacturing readiness.• Worked as part of a global, cross-functional engineering team to ensure smooth integration of hardware and firmware, driving consistency across design, testing, and deployment.

Education

• Vindhya Institute of Technology &Science ,Jabalpur

  Bachelor of Technology (BTech), Electronics & Communication

  2007 — 2011

Skills

• Linux, Computer Networking. •Embedded Software Design and Development.
• C
• Embedded Software
• Requirements Analysis
• Test Automation
• Rtrt
• Iso 26262
• Spi
• I2c
• Uart
• Arinc 429
• Can
• Rs232
• Rs485
• Character Device Driver
• Pic Programming
• Arm Architecture
• Mplab
• Eclipse
• Ibm Doors
• Beyond Compare
• Notepad++
• Understand C
• Sent
• Internet Protocol Suite (Tcp/Ip)