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Daniel Draganete

Daniel is a versatile developer with expertise in embedded systems and IoT, and a strong passion for computer science. He has more than 10 years of experience designing and building reliable electronics and software solutions, both professionally and as a personal passion.

With a solid foundation in low-level development, real-time systems, and secure communication, Daniel enjoys solving complex problems and turning them into practical, future-proof solutions. His earlier experience as a Network Technician strengthened his skills in network infrastructure, configuration, and troubleshooting, which complement his work in embedded and IoT systems. His work spans embedded firmware, IoT connectivity, computer vision, machine learning, and system integration, complemented by continuous learning in DevOps, cloud, and modern software practices.

Embedded Software Design & Development

Programming languages

Languages Experience Rating Last used
C 3 years 4 2025
C++ 3 years 4 2025
Python 5 years 3 2025
Javascript 1 years 3 2025
HTML 4 years 3 2025
CSS 2 years 3 2025
Go 2 years 3 2022
Java 1 years 2 2025
SQL 1 years 3 2025

Development tools

Tool Experience Rating Last used
Arduino 5 years 5 2025
Visual Studio Code 7 years 5 2026
PlatformIO 3 years 4 2024
Amazon AWS 2 years 4 2025
Git 5 years 4 2026
GitLab 2 years 4 2026
STM32CubeIDE 2 years 4 2026
ST-Link 2 years 4 2026
Raspberry Pi 7 years 4 2025
Adobe After Effects 5 years 3 2022
Adobe Premiere Pro 5 years 3 2022
Adobe Photoshop 5 years 3 2022
Docker 3 years 3 2025
Segger J-Link 5 years 4 2026
Wireshark 2 years 4 2025
Trello 3 years 4 2025
Node-RED 3 years 4 2025

Knowledge & technologies

Tool Experience Rating Last used
Agile 3 years 4 2025
Artificial Intelligence 3 years 4 2025
CAN 1 years 3 2024
Bluetooth Low Energy (BLE) 1 years 3 2024
Computer vision 4 years 4 2025
Design Systems 4 years 4 2025
gRPC 1 years 3 2024
Kubernetes 2 years 3 2025
Linux 15 years 4 2025
Nginx 3 years 3 2025
PCB Design 1 years 2 2025
Prototyping 15 years 5 2025
REST API 2 years 3 2025
OpenCV 1 years 3 2024
Electronics 10 years 3 2025
TinyML 3 years 4 2024
RTOS 2 years 4 2025
Wireless Communication 10 years 4 2025
Yocto 1 years 2 2023
Fusion360 2 years 3 2025
Flask 2 years 3 2025

Languages

Language Skill level
Romanian Native speaker
Swedish Highly proficient
English Highly proficient
Italian Basic communication skills

Education

  • Embedded Systems Development Movant - Malmö
  • Computer Science - CS50x, CS50T HardvardX
  • B.Sc. in Economics & IT Management Craiova, Romania

Courses

Description Days Year
Functional Safety - FSE001 - IEC 61508 fundamentals 0 2026
nRF Connect SDK Fundamentals 0 2025
IoT Foundations: Operating System Applications 0 2024
IoT Foundations: Operating Systems Fundamentals 0 2024
Cambridge, Massachusetts: CS50’s Understanding Technologyes 0 2024
Level Up: Python 0 2024
OpenEDG Python Institute: Programming with Python Professional Certificate 0 2024
Atlassian Agile Project Management Professional Certificate 0 2024
Agile Software Development 0 2024
Advanced C Programming: Optimize Performance and Efficiency 0 2023
Cisco CCNA (200-301) Cert Prep: 1 0 2023
Fundamentals and advanced features of the Go Programming Language (Golang) 0 2021
  1. Has some knowledge of the technology/product.
  2. Has previously used the technology/product but may require a brief introduction or course.
  3. Has used this technology/product in projects before and can get going on his/her own.
  4. Feels very confident with the technology/product.
  5. Is very experienced with the technology/product and can support or educate others in this area.

Projects & Employments

Current & previous projects

Embedded Engineer – OptiSense ZenSeat at EC Solutions AB, Helsingborg

Custom STM32U535 + NINA‑W152 + Acconeer radar smart toilet seat PCB for medical IoT device.​ STM32U5 C/C++ - freeRTOS firmware with class‑based state machines, event/message passing between tasks and ISRs on an RTOS architecture.​ Improved radar frame acquisition pipeline (sensor → HyperRAM FIFO → Wi‑Fi upload via UART DMA to NINA‑W152) and improved reliability with watchdog, error handling and ISR masking during transmission.​ Developed system services: battery monitoring via ADC, RTC time/date + alarm CLI, health‑check and overtime alert flows integrated with backend API.​ Extended Wi‑Fi stack (open network support, robust reconnect / no‑network handling), optimized throughput and performed power profiling with STLINK‑V3PWR; prepared firmware architecture for FOTA using SBSFU(MCUBoot+TFM) + Golioth.

Technologies: STM32U535 (ARM Cortex‑M33), C/C++ OOP, RTOS + class‑based state machines, FreeRTOS‑style task & ISR messaging, HyperRAM, u‑blox NINA‑W152 (Wi‑Fi 802.11 b/g/n), Acconeer radar, UART‑DMA, ADC, RTC, IWDG, HTTP/REST backend, MCUBoot, Golioth cloud

Solution architect / developer at Spectronic Innovation AB, Helsingborg

Embedded Device Programmer A Linux embedded device programmer with a touchscreen interface, developed in Python using Tkinter. The system integrates a J-Link programmer and supports firmware flashing from USB storage, local memory, or wireless transfer. Designed to simplify and standardize the programming process, enabling reliable device flashing by users with minimal technical expertise.

Technologies: Raspberry Pi, Linux, Python, Tkinter, J-Link, Embedded, Firmware Flashing, USB, OTA, Touchscreen UI

ACAP Developer at Sigma Technology, Malmö

Developed applications for Axis/Hanwha cameras and other devices, including PPE detection and early fire/smoke detection.

Technologies: C, C++, Python, ACAP SDK

Creator at personal projects, Helsingborg

Developed a bridge LoraWAN device as part of my bachelor’s thesis project. Enabling an Axis camera to analyze traffic flow and send metadata via Netmore. Implemented BLE–UART communication for device configuration using AT commands or a mobile app. Built on ESP32 (first iteration) and nRF52 (second version) with RadioLIB (Universal wireless communication library for embedded devices).

Technologies: LoRaWAN-Ethernet Node, BLE , ESP32 and nRF52, STM32WL, Semtech SX

Product Creator at Sigma Technology, Malmö

I designed and implemented a custom Ethernet-to-LoRaWAN smart node for secure and efficient bidirectional communication.

Technologies: C, C++, LoRaWAN, Ethernet, RTOS, rest API, MQTT, TLS, 3D Design/Print, HTML, CSS, JS

Full-Stack Development for IoT Platforms at Sigma Technology, Malmö

Implemented secure communication protocols and ensured systems met EU/NIS2 standards, applying IoT security. Designed over-the-air firmware updates (FUOTA), watchdog stability systems, and robust AT command interfaces for embedded devices. Designed APIs, dashboards, and integrations for efficient device communication and management.

Technologies: MQTT, TLS, C, C++, Python, JavaScript, HTML, CSS , Wireshark, Linux, Sensors

Embedded Developer at Sigma Technology, Malmö

Worked with Stm32,nRF,Esp32 MCUs with FW based mostly on FreeRTOS and Zephyr RTOS . Developed and designed firmware for motor control, LED drivers, sensors and actuators, IoT devices and other automation and integrations with other ecosistems.

Technologies: C, C++, Zephyr RTOS, FreeRTOS, SPI, I2C, UART

AI & Computer Vision Developer at personal projects, Helsingborg

Experimented with YOLO, MobileNet, and other deep learning models for real-time object detection and recognition. Integrated AI models from Hugging Face into Raspberry Pi and home automation projects for smart surveillance, robotics, and IoT applications.

Technologies: Python, PyTorch, TensorFlow, OpenCV, YOLO, MobileNet, Raspberry Pi, LLM, NLP, RL,

Researcher at personal projects, Helsingborg

As a freelancer, I conduct research and develop projects across embedded systems, IoT, AI, and cloud infrastructure. I manage multiple home servers for storage, web hosting, and virtual machines, experiment with Kubernetes clusters, and implement DevOps workflows. I also develop embedded prototypes, firmware, and secure communication solutions, while exploring computer vision, AI integration on Raspberry Pi, reverse engineering, and ethical hacking for IoT and embedded security.

Technologies: C, C++, Python, RTOS, MQTT, TLS, LoRaWAN, Raspberry Pi, GitLab, Kubernetes, Linux, Docker, STM32, ESP32, nRF, Arduino, HomeAssistant, NodeRED

Current & previous employments

EC Solutions AB, Helsingborg

Collaborate daily with inhouse experts on developing and delivering robust production firmware. Rapidly onboarded via knowledge transfer, participated in paired debugging and code reviews, and contributed to system reliability in a professional agile environment.

Sigma Technology, Malmö

As In-house consultant, I contribute to innovative in-house research and development projects in smart cities, urban safety, and traffic management. I design and develop embedded and IoT solutions that enable smarter, connected, and data-driven environments. My work spans low-level firmware, system integration, and secure IoT connectivity, complemented by prototyping, 3D design, and proof-of-concept development. I enjoy turning complex challenges into practical, reliable, and future-proof solutions that enhance urban infrastructure and improve quality of life.

RCS & RDS, Romania

As a Network Technician, I was responsible for installing, configuring, and maintaining broadband, CATV, and Ethernet networks across multiple regions in Romania. I handled both physical infrastructure and technical configuration, ensuring reliable connectivity for residential and business customers. This role included fiber optic (FTTH), coaxial (CATV), and Ethernet cabling, configuring and troubleshooting routers, modems, and switches, and performing testing to meet performance standards. It strengthened my expertise in network infrastructure, device configuration, and troubleshooting—skills that have been invaluable in my transition to embedded systems and IoT development.

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