Charan (D) K.
Embedded Systems Engineer
Experience
Dec 2024 - Present
1 year 1 monthUnited States
Embedded Systems Engineer
Hexaware Technologies
- Developed embedded C firmware for ARM Cortex-M controllers used in automotive Electronic Control Units (ECUs), improving vehicle diagnostic response by 25%, reducing downtime in fleet service operations.
- Implemented FPGA-based data acquisition (VHDL/Verilog) for automotive sensor fusion, handling 50+ Mbps throughput with sub-10 µs latency to support real-time driver-assist functions.
- Integrated CAN, USB, and Ethernet protocols across engine management and telematics modules, lowering communication errors by 40%, ensuring compliance with SAE J1939 automotive standards.
- Designed RTOS-based firmware (FreeRTOS, Zephyr) for safety-critical subsystems in hybrid vehicles, supporting 20+ concurrent tasks including motor control, battery monitoring, and diagnostics.
- Collaborated with hardware engineers to design mixed-signal PCBs for in-vehicle RF/Wi-Fi modules, reducing board footprint by 12% and lowering per-unit production cost by $18.
- Led deployment of BLE and Zigbee IoT devices for fleet monitoring, securely connected 1,000+ vehicles to Azure IoT Hub for predictive maintenance alerts, maintaining 99.5% connection uptime.
Apr 2021 - Jun 2023
2 years 3 monthsIndia
Embedded Systems Engineer
SMMUD Technologies Pvt. Ltd.
- Programmed STM32 firmware in C/C++ for industrial automation systems, ensuring 200+ hours continuous runtime, enabling precise motor control and process reliability in factory operations.
- Designed digital and analog power circuits for smart meters, optimizing buck/boost converters, cutting power losses by 15%, and lowering electricity costs in high-volume deployments.
- Implemented CAN, SPI, and UART protocols for PLC-driven assembly lines, enabling real-time sensor integration at 1 kHz sampling rate across distributed factory automation nodes.
- Built RTOS-driven software for conveyor systems, reducing latency from 120 µs to 60 µs, improving throughput by 18%, and boosting reliability in industrial packaging operations.
- Planned and tested IoT modules (BLE, Wi-Fi, LoRa) for smart metering, deploying 500+ devices integrated with AWS IoT Hub for remote billing and monitoring.
- Conducted PCB design, assembly, and debugging using Altium and KiCad, cutting hardware defects by 30%, improving yield, and accelerating production of industrial electronic control units.
Oct 2020 - Mar 2021
6 monthsIndia
Electrical Engineer – Intern
Bharat Heavy Electricals Limited (BHEL)
- Supported design and testing of UPS and motor drives for power plants, achieving 8% higher efficiency during load variation, improving reliability in large-scale industrial energy operations.
- Executed PCB troubleshooting on inverter boards used in turbine control, identifying and resolving 15+ recurring hardware issues, significantly reducing field commissioning failures in power projects.
- Verified relay protection and switchgear systems for grid applications, validating safety compliance against IEC standards, reducing false tripping incidents by 20%, and ensuring uninterrupted industrial operations.
- Developed MATLAB simulations for buck/boost converters supporting renewable integration, reducing manual calculation time by 70%, improving accuracy of component sizing, and enhancing project design efficiency.
- Documented inspection procedures and test results for 25+ power system units, improving audit readiness, reducing rework time, and streamlining maintenance handover processes across electrical engineering teams.
Summary
Embedded Systems Engineer with 3.5+ years of experience in firmware, RTOS (FreeRTOS, Zephyr), and hardware design across automotive, IoT, and industrial automation systems. Proficient in C, C++, Embedded C, Python, Assembly, and skilled with ARM Cortex-M, STM32, AVR, ESP32, PIC, Raspberry Pi. Hands-on expertise in FPGA (Verilog/VHDL), PCB design (Altium, KiCad), power electronics, and communication protocols (CAN, I²C, SPI, UART, Ethernet, BLE, Zigbee, LoRa, NB-IoT) with strong debugging skills using oscilloscopes, JTAG, and logic analyzers.
Skills
- Programming Languages: C, C++, Embedded C, Python, Assembly, Matlab, Html
- Embedded Systems & Microcontrollers: Arm Cortex-m, Stm32, Avr, Pic, Arduino, Raspberry Pi, Esp32, Ti Msp430, Plc
- Rtos & Firmware Development: Freertos, Zephyr, Bare-metal Programming, Device Drivers, Interrupt Handling, Rtos Integration
- Hardware & Circuit Design: Verilog, Vhdl, Fpga Programming, Digital/analog Circuit Design, Mixed-signal Systems, Audio & Rf (Wi-fi, Bluetooth, Gps), Power Electronics (Buck/boost Converters, Relays, Stepper Motors, Ups), Pcb Design (Altium Designer, Kicad, Eagle, Ni Multisim, Ltspice, Autocad, Revit, Ic Design, Cad Electrical), Schematic Capture, Bom Management, Device Assembly, Soldering/micro-soldering
- Communication Protocols: I²c, Spi, Uart, Can, Modbus, Usb, Mipi, I²s, Ethernet, Ble, Zigbee, Wi-fi, Lora, Nb-iot, Mqtt, Rfid, Vector Canalyzer
- Testing & Debugging Tools: Oscilloscope (Cro/dso), Logic Analyzer, Jtag/swd, Signal Analyzers, Multimeters, Lauterbach Trace32, Labview, Signal Generators
- Iot & Wireless Systems: Bluetooth Low Energy (Ble), Wi-fi, Zigbee, Lora, Nb-iot, Rfid, Cloud Iot Integration
- Operating Systems & Development Environments: Embedded Linux, Yocto, Keil Μvision, Iar Embedded Workbench, Arduino Ide, Eclipse, Vs Code
- Control & Signal Processing: Sensor Integration, Motor Control, Signal Conditioning, Real-time Data Acquisition, Ansys Simulation
- Version Control & Ci/cd: Git, Github, Gitlab, Jenkins, Docker (For Embedded Ci/cd Pipelines)
- Soft Skills: Cross-functional Collaboration, Technical Documentation & Reporting (Ms Office Suite), Peer Reviews
Languages
English
ElementaryEducation
Aug 2023 - May 2025
Illinois Institute of Technology
Master of Science in Electrical and Computer Engineering · Electrical and Computer Engineering · Chicago, United States · 3.5 / 4.0
Aug 2019 - Jul 2023
JSS Academy of Technical Education
Bachelor of Engineering in Electrical and Instrumentation Engineering · Electrical and Instrumentation Engineering · Bengaluru, India · 3.6 / 4.0
Certifications & licenses
Embedded Systems Software And Development Environments
Fundamentals Of Verilog For Digital Design
Image Processing And Machine Learning With LabVIEW
IoT Applications And Use Cases
Programming Foundations: JavaScript, HTML, CSS
Sensor Technology In Internet Of Things (IoT)
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