Skip to main content
Back to Talent
Božidar Kresaj
JourneymanLV 14

Božidar Kresaj

Connectivity Architect

FirmwareSoftware
Available Now
Engagement rate:$95–120/hr(Engineer)

About

Embedded software engineer shipping connected products end to end — BLE, Wi-Fi, LTE/NB-IoT, and NFC on ESP32, nRF9151/nRF52, and STM32. Production firmware with Zephyr and FreeRTOS, secure boot and bootloaders, Linux/Yocto BSP work, and the CI/CD pipelines and mobile app integration around them. Shipped across multiple commercial IoT products. BS Mechatronics, Zagreb University of Applied Sciences.

In Their Own Words

“Full-stack embedded across ESP32, nRF91/nRF52 and STM32 — BLE, Wi-Fi, LTE/NB-IoT and NFC through to production firmware and CI/CD”

Education

  • BS in Mechatronics
    Zagreb University of Applied Sciences
    2022

Experience

  1. Freelance Embedded Software Engineer · Embedded System Atelier - self employed
    2025 – present
  2. Embedded Software Engineer · Isonoe
    2024 – 2026
  3. Junior Embedded Software Engineer · Spyrosoft
    2022 – 2024
  4. Embedded Software Intern · Spyrosoft
    2022 – 2022

Tools & Technologies

CDockerFreeRTOSGitLinuxPythonZephyrGitHub ActionsGitLab CIJiraSTM32CubeIDEGCC ARMZephyr SDKVS Code + EmbeddedJTAG / SWD DebuggersLogic AnalyzerC++OscilloscopeMultimeter / DMM

Core Capabilities

Embedded C/C++
BLE / Wireless Protocols
STM32 / ARM Cortex-M
Linux / Yocto / BSP

Quick Facts

Role
Embedded Software Engineer
Level
LV 14
Tier
Journeyman
Specialties
FirmwareSoftware
Availability
Available Now
Location
Croatia

Interested in Božidar?

Tell us about your project and we will connect you with the right specialist.

Typically responds in 1-2 business days

Is this your profile?

Share your specialist card — your network includes the people who hire.