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I’m Ekaterina A. Erlina, a firmware and embedded software engineer specializing in building reliable device communication between microcontrollers and PCs. I’ve developed embedded firmware for STM32, ATmega, and ESP32, and I also create desktop applications for data acquisition and device management, including working with COM/serial communication and internal databases. I enjoy turning complex technical requirements into clear documentation, robust protocols, and well-tested products—from industrial automation components to IoT/NBIoT device ecosystems. With a strong attention to detail and a methodical approach, I’m comfortable improving and modernizing legacy systems as well as delivering new features for production-ready hardware and software.…I’m Ekaterina A. Erlina, a firmware and embedded software engineer specializing in building reliable device communication between microcontrollers and PCs. I’ve developed embedded firmware for STM32, ATmega, and ESP32, and I also create desktop applications for data acquisition and device management, including working with COM/serial communication and internal databases. I enjoy turning complex technical requirements into clear documentation, robust protocols, and well-tested products—from industrial automation components to IoT/NBIoT device ecosystems. With a strong attention to detail and a methodical approach, I’m comfortable improving and modernizing legacy systems as well as delivering new features for production-ready hardware and software.

Ekaterina A. Erlina

Programmer, Software Engineer, Developer

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I’m Ekaterina A. Erlina, a firmware and embedded software engineer specializing in building reliable device communication between microcontrollers and PCs. I’ve developed embedded firmware for STM32, ATmega, and ESP32, and I also create desktop applications for data acquisition and device management, including working with COM/serial communication and internal databases. I enjoy turning complex technical requirements into clear documentation, robust protocols, and well-tested products—from industrial automation components to IoT/NBIoT device ecosystems. With a strong attention to detail and a methodical approach, I’m comfortable improving and modernizing legacy systems as well as delivering new features for production-ready hardware and software.…I’m Ekaterina A. Erlina, a firmware and embedded software engineer specializing in building reliable device communication between microcontrollers and PCs. I’ve developed embedded firmware for STM32, ATmega, and ESP32, and I also create desktop applications for data acquisition and device management, including working with COM/serial communication and internal databases. I enjoy turning complex technical requirements into clear documentation, robust protocols, and well-tested products—from industrial automation components to IoT/NBIoT device ecosystems. With a strong attention to detail and a methodical approach, I’m comfortable improving and modernizing legacy systems as well as delivering new features for production-ready hardware and software.

Available to hire

I’m Ekaterina A. Erlina, a firmware and embedded software engineer specializing in building reliable device communication between microcontrollers and PCs. I’ve developed embedded firmware for STM32, ATmega, and ESP32, and I also create desktop applications for data acquisition and device management, including working with COM/serial communication and internal databases.

I enjoy turning complex technical requirements into clear documentation, robust protocols, and well-tested products—from industrial automation components to IoT/NBIoT device ecosystems. With a strong attention to detail and a methodical approach, I’m comfortable improving and modernizing legacy systems as well as delivering new features for production-ready hardware and software.

Skills

MySQL

Python

SQL

Experience Level

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Beginner

Beginner

Language

English

Intermediate

Russian

Fluent

Work Experience

Senior Firmware Engineer at SibAgroPribor LLC

November 1, 2023 - Present

Developed embedded firmware for STM32 and ATmega microcontrollers in C using IAR Embedded Workbench and Atmel Studio. Built desktop applications in C# (Visual Studio) for PC–MCU communication over COM port and managed an internal MySQL database. Maintained and modernized legacy software written in VB6+. Designed and debugged communication protocols between MCU and PC, prepared technical documentation, and performed product testing.

Firmware Engineer at Elron Tech

August 1, 2022 - November 1, 2023

Developed firmware for STM32 (Cube IDE, C) and ESP32 (VS/VSCode, C/C#). Created desktop applications in Python 3.8 for device communication and data handling, and implemented device configuration web interfaces using HTML/CSS. Contributed to an NB-IoT system covering multiple device types plus server-side infrastructure, and prepared technical documentation and specifications.

Firmware Engineer at TET ESTEL AS

September 1, 2021 - August 1, 2022

Developed STM32 firmware in C using STM32Cube IDE. Built desktop software in C++ for communication with embedded devices and prepared technical documentation.

Firmware Engineer at SibAgroPribor LLC

January 1, 2020 - August 1, 2021

Developed firmware for STM32 and ATmega in C (IAR). Built desktop applications in VB6+ and C# for MCU communication and internal MySQL database management. Supported and enhanced existing projects.

Firmware Engineer at BrainyLab

March 1, 2019 - December 1, 2019

Developed firmware for controllers in DT_script (assembly-like language). Designed electronics for escape rooms using CorelDRAW and Fritzing, developed microcontroller firmware in C, and assisted with electronics assembly, testing, and debugging.

Firmware Engineer / Electronics Engineer at Intmash LLC

August 1, 2012 - May 1, 2019

Developed microcontroller firmware in C, assembled components on PCBs, and verified functionality. Developed desktop applications in C# (Visual Studio 2010) for MCU communication and prepared technical documentation.

Education

Bachelor’s + Master’s in Electronics and Microelectronics at Novosibirsk State Technical University (NSTU)