Hello! 👋

I'm Ivan Kozlov / @frushanto

Embedded Systems Engineer

About Me

Pragmatic and results-driven embedded engineer with 7+ years of experience in rail and automotive domains. Specialized in embedded software architecture, test automation, and product lifecycle development — from firmware and tooling to calibration and certification. Dedicated to designing reliable and maintainable embedded software architectures, complemented by desktop testing and tooling solutions for efficient validation and deployment.

C/C++ C# Python Embedded Software Architecture RTOS Firmware Development Microcontrollers (ARM Cortex-M/R) .NET WPF CI/CD Git Debugging Software Testing Hardware-in-the-Loop SPI/I2C/UART/CAN(-FD)/Ethernet/BLE End-of-Line Testing Calibration Software Certification (EN 50128/50657, EN 50129) PCB/Schematic Design

Languages

Russian

Native

German

C2 - Proficient

English

C1 - Advanced

Public Projects

01

ESP32-S3 Secure OTA Framework (In Progress)

Production-ready, standalone secure OTA framework component for ESP32-S3, designed to demonstrate professional firmware architecture, security engineering, and component-based development practices. Code will be open-sourced upon first release.

CESP32-S3OTA UpdatesSecurity EngineeringFirmware ArchitectureComponent Design
02

Telegram Weather Bot

Open-source asynchronous Telegram bot providing real-time weather information with subscription services, multilingual support, and spam protection. Built with clean architecture principles, test-driven development, and async design to ensure scalability and maintainability. Try it: @FruReporterBot

PythonAsyncTelegram Bot APIClean ArchitectureTesting
03

foxBMS 2 Platform Migration & Hardware Porting

Accomplished the first-phase migration of a battery management system from foxBMS 1 to 2, porting the TI TMS570 microcontroller to the master unit. Designed PCB layouts in Altium Designer, developed bare-metal drivers for ARM Cortex-R5F, and implemented power management unit software ensuring system integration and operational readiness.

CARM Cortex-R5FBare-MetalAltium DesignerPCB DesignLow-Level DriversBMSHardware Porting
04

Construction of an Electric Race Car (Formula Student Team 'Strohm und Söhne')

Developed, designed, and installed LV and HV wiring harnesses for the electric racing car NoRa 5, ensuring optimal functionality and compliance with project specifications.

Wiring HarnessesLV/HV SystemsHardware DesignFormula Student

Experience

Embedded Systems Engineer

Siemens Mobility GmbH

Oct 2021 – Present | Erlangen, Germany
  • Architected embedded software for next-generation locomotive battery management and control systems (ARM Cortex-M).
  • Built WPF desktop applications in .NET C# for automated testing, configuration, and firmware update workflows, forming part of a unified test ecosystem.
  • Established CI/CD pipelines and test automation infrastructure for reproducible builds and continuous verification of firmware and desktop tools.
  • Defined validation strategies, implementing multi-level testing — from unit and integration to hardware-in-the-loop and end-of-line verification.
  • Collaborated with hardware, production, and quality teams to ensure calibration accuracy, manufacturing readiness, and compliance with EN 50128/50657 and EN 50129 standards.
  • Competencies: C++, C#, .NET, WPF, embedded software architecture, firmware development, RTOS, debugging, CI/CD, software testing, Git, calibration, end-of-line & hardware-in-the-loop testing, hardware-software integration, communication protocols (CAN, UART, I²C).

Embedded Systems Developer (Master Thesis)

Siemens Mobility GmbH

Mar 2021 – Oct 2021 | Erlangen, Germany
  • Integrated an analog-to-digital converter (ADS125H02) for the analog frontend of a battery management system to monitor onboard batteries in rail vehicles.
  • Developed and deployed low-level software for the analog frontend, enabling stable measurement acquisition.
  • Designed schematics and PCB layouts for the IO unit of a battery management system, ensuring proper integration with control electronics.
  • Competencies: C/C++, low-level software development, ARM Cortex-M7, Git, software testing, analog-to-digital conversion, communication protocols, hardware design.

IT Strategy Manager (Working Student)

Siemens Healthineers

Mar 2020 – Feb 2021 | Erlangen, Germany
  • Automated internal corporate processes using Microsoft Power Platform, reducing maintenance costs and manual workload for product owner and stakeholder databases.
  • Coordinated international digitalization hackathons, connecting cross-regional teams from Asia, Europe, and South America to drive innovation.
  • Delivered internal trainings on RPA and workflow automation tools, enhancing digital maturity across departments.
  • Competencies: technical expertise, change management, analytical thinking, communication and interpersonal skills, MS Power Platform, UI Path.

Embedded Systems Developer (Working Student & Bachelor Thesis)

Fraunhofer Institute for Integrated Circuits

May 2018 – Feb 2020 | Erlangen, Germany
  • Ported a TI TMS570 microcontroller to the master unit of a battery management system (foxBMS), ensuring full system integration and operation.
  • Developed basic drivers for the TI TMS570 microcontroller in a bare-metal environment, establishing foundational firmware support.
  • Implemented software for a power management unit to control and monitor BMS operation effectively.
  • Competencies: C, Python, ARM Cortex-R5F, debugging, toolchain customization, Git, CI/CD, low-level software development, hardware design, communication protocols.

Java Software Developer (Internship)

Ec-logic GmbH

Oct 2017 – Feb 2018 | Fürth, Germany
  • Developed and launched a microservice calculating tax implications for corporate vehicle fleet acquisitions in the Dutch market.
  • Competencies: Java, RESTful API, Jenkins, microservice architecture, unit tests, CI/CD.

Education

M.Eng. – Electronic and Mechatronic Systems

Nuremberg Institute of Technology (OHM)

2019 – 2021 | Nuremberg, Germany
  • Thesis: Development of an analog frontend and software architecture for a battery management system in rail applications.

B.Eng. – Medical Engineering

Nuremberg Institute of Technology (OHM)

2015 – 2019 | Nuremberg, Germany
  • Thesis: Development of basic drivers for a TI TMS570 microcontroller for porting an existing battery management system.

Hobbies

Exploring Software Development & Design
Microelectronic Projects
3D Printing
Gym
Singing
Electric Guitar
Hiking
Gravel Biking