Charan (D) K.
Embedded Systems Engineer
Experience
Dec 2024 - Present
1 yearUnited 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
- 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.
Languages
English
AdvancedEducation
Illinois Institute of Technology
Master of Science · Electrical and Computer Engineering · Chicago, United States · 3.5/4.0
JSS Academy of Technical Education
Bachelor of 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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