Hire the Best Electronic Designers in Sofia, BG

Hi! I am experienced and enthusiastic antenna and RF designer. Looking for interesting and challenging RF designing projects which can help me to grow as a professional. Personally I am more focused on: - RF design (RF PCB layout design and optimization); - Antenna design (from emmbeded antennas to antenna arrays); - EMC troubleshouting. For big and callenging proects I invite my friends who are excellent professionals. So together we can design the fully working poduct including hard-ware, soft-ware and mechanical design. 1st year on Upwork: more than 10 successfully accomplished projects (see the feedback section and the gallery); We are moving ahead and looking forward to provide your best solutions for your projects! Don't hesitate to contact me if you need a consultation on: - any type of antenna (RFID, NFC, ISM, WIFI, Bluetooth, CubeSat, radar, portable device and so on) - analysis of RF performance (radiation levels, EMC) Extended practical skills (10+ years) in antennas design: - Antenna Arrays, - Small antennas, embedded antennas (BLE, WiFi, NB IoT, LoRa, GNSS), - UHF devices design (splitters, filters, switchers) - CADs; - RF PCB design and optimization. We provide not just design but also prototype test, RF measurements, tunning and troubleshouting. Up to now we have: - VNA (up to 6 Ghz), - spectroanalyzer and tracking sweep generator (up to 5.5 GHz), - digital microscope, - soldering station, - power supply unit up to 200W, (see some of our equipment in the gallery).

I have my own registered Engineering Prototyping Company, where we help customers go from idea to manufacturing. We offer a full-cycle prototyping journey: Idea--Firmware--3D design--PCB design--CAD/CAM--Testing--App--Sourcing and Manufcaturing in China We help with Management and Engineering ONE stop for all prototyping needs: With over 7 years of experience, we can help you design your electronics, produce your 3D model, CAD/CAM and manufacture your prototype. Electronics and Firmware - Interfaces: USB, Ethernet - Protocols : MQTT, HTTP, FTP, Modbus TCP/RTU, SNMP, TCP/IP, UDP/IP, DLMS, custom protocols - Wireless: BLE, WiFi, UWB - Security: AES, SSL/TLS - Multi-layer PCB design experience with: • Microprocessor: ARM Cortex-M3, Cortex-M4, • STM32, ESP32, Atmega, Nordic •. Low-power chip: Nordic nRF52840, nRF5340, nRF52832, ESP32, STM32WL series • SoM, custom board design for: CM4, Rasp, Orange Pi, iMX8, Jetson Nano/Xavier/Orin, RK3588, RK3568, RV1126 Rockchip, TI AM6254 ,... • Power supply: DC-DC (isolated, Flyback, Boost, Buck, LDOs…). • Communication circuit with motor driver: BLDC, AC servo, DC servo…via I/O, ADC and CAN. • Wireless, IoT: RF, Wifi, Bluetooth 4.0, GSM (3G, 4G/LTE), LoraWAN... - Experience in building evaluation kits such as Arduino, ESP32, ESP8266, STM32... - BOM creation from favourite suppliers: Digikey/Mouser/JLCPCB, LCSC... - Knowledge of proper layout techniques for EMC and EMI compliance. - Knowledge of DFA, DFM, and PCB manufacturing and assembly processes. - Firmware development using C, C++, and Python language, QT - UX/UI design for STM32, ESP32, Rasp Pi, using Figma, TouchGFX, LVGL - IoT: MQTT, Thingsboard, AWS, Blynk.. Industrial and Mechanical Design: •CAD for machines, manufacturing (DFM), 3D printing, reverse engineering (Autodesk Inventor and Fusion 360, SolidWorks, Siemens NX, ) • CAD product design, parametric CAD design and rendering (Autodesk Inventor and Fusion 360, SolidWorks) - Physical product prototyping and Manufacturing: -Making the casing ( metal and plastic) in-house without machines. Fusion 360, SolidWorks, Blender, We offer travel to location. We offer 24/7 support. English, Russian, Bulgarian. Japanese, Spanish

I am an experienced engineer with over 8 years of experience in the Automotive, Medical, Industrial, IoT and Commercial fields. I have completed more than 30 projects and have a strong track record of understanding my clients’ needs. My expertise includes Schematic development, PCB Design, Microcontroller programming and Systems Engineering. I have successfully delivered projects ranging from small-scale prototypes to large-scale production runs. My clients appreciate my ability to lead their ideas from concept to a complete product on the market. I am dedicated to delivering high-quality work, ensuring customer satisfaction and building long-term relationships with my clients.

💬 "I couldn't be happier with the result of Borislav's (Bobby's) work! Professional in every way, he was in tune with what I was needing and excelled with logo designs, which resulted in a great new logo for my business. I will definitely be using Borislav in any future graphic design and thoroughly recommend his talents and attention to detail." 💬 "Extremely clean and efficient job! I was very - positively - surprised how Bobby further developed and improved my initial idea and came up with something that was way beyond my expectations. Can strongly recommend him!!" Hello, my name is Boris, and I'm a graphic designer and video editor from Sofia, Bulgaria. In my 10 years of experience, I've worked with many local and worldwide companies, and behind my back, I have a solid experience that includes more than 300 logos, over 400 flyers, catalogs, brochures, and video editing. My main design rules are: ✅ Unique, high quality, and professional design ✅ Quick Turnaround Time ✅ Lenient Amount of Revisions ✅ Work until my client is satisfied ✅ Attention to details Everything I offer: Branding ✅ Brand Identity & Corporate Stationery ✅ Brand Style Guide ✅ Visual Communication Digital Design ✅ Social Media Setup & Graphics (Facebook, Instagram) ✅ Custom Web Design Print Design ✅ Adverts - Corporate Stationery ✅ Complete Event Branding (From Backdrops to Agendas, Name Tags, Menus etc.) ✅ Flyers - Posters - Billboards ✅ Brochure - Catalogs Visual Design ✅ Icons ✅ Infographic Design ✅ Pitch Decks / Company Profiles ✅ Presentations Video editing: ✅ Motion Graphic Design(including UI Mockups, Animated Infographics, Whiteboard Explainers, Video elements). ✅ Video Advertising / Facebook Ads / Instagram Ads/ YouTube Ads ✅ Promotional Videos (mixing footage, images, motion design) ✅ Video Editing (all stages, including color correction, green screen keying & audio cleaning). ✅ Corporate Videos (high-quality video editing and post-production) TOOLS: ✅ Photoshop ✅ Illustrator ✅ Adobe Premiere Pro **-** PowerPoint - Word - Excel It will be a pleasure to discuss everything about your project - click the hire button and let’s chat.

Dear Business Owner/Entrepreneur, I understand the significant role you have when marketing your business. Sometimes the marketing process can seem a bit overwhelming because you are responsible for so many things… you always try to stand out from the crowd by being different and unique, you choose…and of course finding and selecting the RIGHT designer. I will put your mind at ease with finding and selecting the RIGHT designer. You can hire me with confidence knowing that my mission is clear and simple…to deliver a powerful design message that conveys and reinforces your business value. I follow a process proven by a lot of happy customers all over the world. Firstly I’ll review your design needs. I will take the time to really understand the message you want to communicate with your design. I combine my artistic perspectives to optimize image diversity and effectiveness and I propose you 5-8 designs in different style. Customer satisfaction is my main priority so for me it is important to hear your feedback! My focus is to create a perfect design for YOU that communicates your core message and conveys it digitally. You Will Profit More From My Work Than I Will!