Hire the Best Embedded Systems Engineers
in Croatia

A self-driven individual with keen interest in electronics. I have 9 years of experience as a professional hardware engineer and over 20 years of experience as a hobby maker. Particularly interested in robotic motion control and integration of electronics and precision mechanics. My expertise can help you with hardware, PCB, and product design for a very competitive price. Please contact me for any additional questions. I can provied free 3D models for any electronics and enclosure integration. Experienced in: Circuit and PCB Design Product design 3D modeling and animation Design for mass production Circuit test and validation Embedded C programing (intermediate level) Electronics and mechanics integration Programs and tools: Altium Designer, Altium Cricuit Studio, Altium Circuit Maker, KiCad, Proteus, DesignSpark PCB, EasyEDA, Autodesk Fusion 360

👋🏽 Greetings and thank you for stopping by! I am a driven and experienced Hardware and Embedded Software Engineer specializing in the Railway (EN 50155), Military, Automotive, and Industrial sectors. I offer end-to-end services within hardware/electronic design, circuit/schematics design, and integration of software/firmware from inception to final product, coupled with thorough testing. ✔️ 100% Job Success Score ✔️ Fluent English speaker ✔️ Swift and responsive ⚡ 🔍 Committed to crafting distributed, scalable, reliable, and low-latency devices and applications. 🔍 Equipped with exceptional communication and writing skills. 🔍 Proficient in collaborating with distributed teams of developers, designers, and multi-functional teams. 🔍 Offering flexible billing terms tailored to your project's needs! I am here to support you remotely in realizing your project aspirations. With a complete understanding of the product development lifecycle and a broad skill set, I am ready to tackle any challenge and bring your project to fruition. CORE SERVICES: • Circuit Designing and Analysis (Analog & Digital) • Schematics and PCB Development • Embedded Firmware & Software Development • Reverse Engineering & Protocol Decoding • Proof of Concept (PoC) Development & Prototyping • Manual and Automatic Testing KEY EXPERTISE: • PCB Layout: Controlled Impedance, High-Speed Signal Routing, Rigid-Flex Board Design, and RF Circuits. • Mixed Signal Circuits & Analog Circuit Design. • Schematics and Footprint Library Creation. • Firmware/Device Programming & Code Review. • Power Electronics: High-voltage DCDC converters, MPPT solar harvesting, and high-current motor actuation stages. • Compliance & Validation: Design for EMC/EMI, and EN 50155 / automotive standard compliance. PROJECT PORTFOLIO: Industrial, Military & Railway Equipment • Railway HVAC BLDC Controller: Developed an EN 50155-compliant motor controller with active power management. • High Voltage Power Distribution Box: Designed for an Anti-Terrorism Machine. • DC/DC Converter with Auxiliary Control: Designed for heavy mining machinery. • Undervoltage Protection PCB: Developed for remote-controlled industrial devices. • 5-Channel Proportional Valve Driver: Designed a closed-loop inductive load controller utilizing 14-bit current feedback. IoT, RF & Edge AI • Thermal AI Edge Node: Architected an industrial thermal camera unit (Raspberry Pi 5, FLIR Lepton) with dual telemetry (4G LTE/LoRa) and STM32 UPS battery management. • Dual-Brain Solar IoT Gateway: Designed an off-grid gateway with Altium hardware variants (STM32 LoRaWAN vs. Nordic BLE). • AI/UWB Smart Flashlight: Engineered a hybrid ESP32/Linux carrier board with UWB localization and 6-axis IMU sensing. • Ultra-Low-Power LoRaWAN Transceiver: Optimized STM32 and RAK3172 hardware/firmware to achieve a 2µA idle current. Automotive & Consumer Sector • Car OBD Diagnostics Tool: Designed hardware and diagnostic software; reverse-engineered raw CAN messages with GPS data integration. • Apple Watch Diagnostics Tool: Developed specialized testing and diagnostic hardware. TECHNICAL STACK & TOOLS: • Microcontrollers & Architectures: STM32, Cortex, ARM, ATMEL, Arduino, PIC18F (MPLAB), 8051, NXP, Nordic (nRF52), ESP32. • Firmware/Software: Embedded C, C++, Python, STM32CubeIDE, ESP-IDF, Arduino IDE, FreeRTOS, Zephyr. • PCB Layout & Simulation: Altium Designer, KiCAD, Proteus, Multisim. • Communication Protocols: USART, SPI, I2C, LIN, CAN, Ethernet. MODULES & PERIPHERAL INTEGRATION: • RTC (ds3231) • Ethernet (Wiz5500io) • WIFI & Wireless (ESP8266, LoRa) • Temperature & Environmental (LM35, ds18b20) • FTDI (Drivers) & IR-Sensors MECHANICAL DESIGN: • CAD Design & 3D Modeling • 3D Printing & Prototyping • Thermal Stress Analysis & Real-Time Simulations Feel free to reach out if you're interested in exploring how my expertise can contribute to your project's success! Let's build something exceptional together. TAGS: Electronics, Hardware, Firmware, PCB, PCB Layout, Board Layout, Schematics, Altium Designer, KiCAD, Proteus, IoT, Internet of Things, Power Electronics, DCDC, Motor Control, EN 50155, Bluetooth, BLE, Nordic, ESP32, TI, Texas Instruments, FPGA, SoC, Electrical Engineering, Verilog, Xilinx, C, C++, MCU, RTOS, Microcontroller, STM32, Prototype, Validation, Enclosures, BMS, SolidWorks, Android, Mobile Apps, AWS, Automotive CAN, LoRaWAN.

I am an experienced Embedded Software Engineer with a strong background in C/C++ programming, currently working at Smart Sense Ltd in Zagreb. My passion lies in designing and developing innovative embedded systems that drive efficiency and innovation. With extensive knowledge and hands-on experience with various microcontrollers, including STM32 and ESP32, I excel at creating robust solutions tailored to specific project needs. I am adept at taking complex concepts and transforming them into practical, user-friendly applications, ensuring seamless integration in diverse environments. My expertise not only lies in software development but also in diagnosing and solving critical hardware-software interaction issues. Committed to continuous learning and delivering excellence, I thrive in collaborative settings and am keen to contribute my skills to your next project. Let’s connect and explore how I can help bring your ideas to life with cutting-edge embedded solutions.

Dedicated and innovative engineer passionate about embedded software and hardware design. Fields of expertise include real-time systems, analog/digital/mixed-signal PCB design (Fusion 360/KiCAD), and signal processing. Proficient in C and assembly programming languages along with FreeRTOS for multitasking and Python for data analysis. Ranging from one-off to full-scale LTS production projects I have developed various solutions for clients around the globe. Experience ranges from consulting on a solution to developing device drivers (for peripherals and sensors), and hardware design (analog and digital - SMPS, WiFi, logic circuits, signal conditioning, etc), including full controller boards, external modules, and the underlying firmware. This also included the development of various prediction and signal-processing algorithms I have done for the improvement of existing hardware solutions as well as specialized low-overhead communication protocols.

As a Senior Full-Stack GIS Engineer, I build end-to-end solutions for mapping and large-scale geospatial systems. I also run Mappinest, a SaaS platform focused on cost-optimized map infrastructure. My work centers on delivering reliable, well-designed systems with clean, efficient code, backed by hands-on experience and an MSc in GIS & Geography. I enjoy solving complex problems and collaborating closely with clients to turn geospatial requirements into scalable, maintainable product features. Staying up to date with modern web and GIS technologies allows me to choose the right mix of open-source and commercial tools based on project requirements and long-term goals. 𝐅𝐫𝐨𝐧𝐭𝐞𝐧𝐝 𝐓𝐨𝐨𝐥𝐬 • React, Next.js, TypeScript, Tailwind CSS, Styled Components, Canvas API, Redux, WebSockets, Expo, Jest 𝐌𝐚𝐩𝐩𝐢𝐧𝐠 𝐋𝐢𝐛𝐫𝐚𝐫𝐢𝐞𝐬 𝐚𝐧𝐝 𝐓𝐨𝐨𝐥𝐬 • Mapbox, MapLibre, Turf.js, Leaflet.js, Routing APIs, Google Maps API, ArcGIS SDK, OpenLayers, Cesium, deck.gl, Maputnik, GDAL, TileServer GL, Tippecanoe 𝐁𝐚𝐜𝐤𝐞𝐧𝐝 • Node.js, Express.js, Jest, LLM integration and MCP APIs • Python/Django (intermediate) 𝐃𝐚𝐭𝐚𝐛𝐚𝐬𝐞 • PostgreSQL(PostGIS), MongoDB, MySQL, Snowflake, Prisma ORM 𝐃𝐞𝐯𝐎𝐩𝐬, 𝐂𝐥𝐨𝐮𝐝 & 𝐈𝐧𝐟𝐫𝐚𝐬𝐭𝐫𝐮𝐜𝐭𝐮𝐫𝐞 • Cloud: AWS (EC2, S3, CDN, SQS), Vercel, Heroku, Netlify, Render • Infra & CI/CD : Docker, Redis, NGINX, CI/CD Pipelines 𝐕𝐞𝐫𝐬𝐢𝐨𝐧 𝐂𝐨𝐧𝐭𝐫𝐨𝐥 • Git, GitHub, GitLab 𝐃𝐞𝐬𝐤𝐭𝐨𝐩 𝐒𝐭𝐚𝐜𝐤 • QGIS, ArcGIS Pro • Adobe Photoshop and Illustrator (intermediate) 𝐀𝐫𝐞𝐚𝐬 𝐨𝐟 𝐄𝐱𝐩𝐞𝐫𝐭𝐢𝐬𝐞 • Design systems & component-driven React development with UI/UX, Agile workflows • End-to-end interactive map & GIS application development • Self-hosted basemaps, vector & raster tile pipelines • Navigation & live-tracking & routing map features • Thematic & topographic map design • High-accuracy geocoding & spatial analysis • Geospatial formats: GeoJSON, 3D-Tiles, PMTiles, MBTiles, KML, TopoJSON, Shapefile, GeoTIFF, WKT... • OSM and Census data integration • 2D / 3D map animations and storytelling I believe that quality is the key to a job well done. I always try to work as quickly as possible and efficiently. With that said, I can state I give my best to make my clients happy.🤝

Firmware engineer with 7+ years of experience working with the embedded systems used for commercial networking purposes, IoT and custom projects, desktops and servers running various Linux distributions or FreeBSD. Excellent knowledge of English language, fair and straightforward communication, zero bullshit policy. Embedded: • working with Arduino, ESP32, RPI (and similar), i.MX6, i.MX8 platforms • running Buildroot, Armbian, OpenWRT, PrplOS • custom hardware over i2c, SPI, GPIO • bootloader custom configuration: u-boot / coreboot / grub(2) • cross-compiling arm / arm64 with GCC / LLVM Linux x86/64 in general: • experience with Debian, Ubuntu, Mint, Fedora, Archlinux, Void, Gentoo desktop and server environments • scripting in Ash / Bash, Python or Lua • CVS's: git / SVN • commercial and in-house CI / CD systems for automated software builds • databases: SQL / MongoDB Networking: • LAN: DHCP provisioning, iptables / UFW, VLAN's • WAN: DNS, VPN, Wireguard, remote management • WiFi / BT / MQTT Virtualization: • VM / KVM / LXC / LXD / Docker Documentation: • Markdown / asciidoc Other: • scripting in PowerShell • working with web frameworks: vue.js / ember.js / Django