I’m a skilled RF and mmWave hardware engineer specializing in antenna and PCB design, with extensive experience in the automotive and wireless industries. My work spans all stages of development - from early concepts and circuit planning to detailed electromagnetic simulation, prototyping, testing, and validation.
I use industry standard tools like CST Studio Suite, Ansys HFSS, Altium Designer, KiCad, Altium, SPICE, and FreeCAD for design, simulation, and mechanical integration — making sure each stage of development connects smoothly from concept to realization.
In addition, I maintain a small RF lab equipped with a vector network analyzer, spectrum analyzer, oscilloscope, and all other tools needed for soldering and prototyping, allowing me to test and verify designs hands-on.
I enjoy tackling projects that combine simulations and practical hardware work. Whether it’s developing antennas, optimizing RF circuits, designing PCBs, or helping with various electronics projects, I aim to create solutions that work reliably in the real world :)
Antenna Design
RF Design
RF Microwave Design
Antenna Measurement
Antenna Testing
PCB Design
Hardware Design
Electrical Design
ESP32
STM32
Firmware Programming
RFID
Multilayer PCB
Hardware Prototyping
KiCad
Dusan M.
Belgrade, Serbia
$60/hr
5.0
11 jobs
I am Senior Engineer with 20 years' experience in product Research and Development, management of R&D, Embedded system design, specialized PCB design, technical consulting, production organization & product certification assistance.
Providing the following services to the clients world-wide:
✔ Product R&D and design problem solving,
✔ Embedded system design (schematic, PCB design, firmware development),
✔ Specialized PCB design and optimization:
➕ Hi-speed industrial computers
➤ USB, ETH, HDMI, MII/RMII, miniPCIe, SDIO etc.
➕ Power electronics
➕ EMC optimization and problem solving
✔ Product cost evaluation and BOM optimization,
✔ Proof of concept & experimental devices,
✔ Technical consulting in system design and RF related solutions,
✔ Production organization & product certification assistance.
Embedded System
Embedded C
C
Product Development
Circuit Design
Altium Designer
Multilayer PCB
Digital Electronics
Electronic Design
Research & Development
Hardware Design
PCB Design
Printed Circuit Board
Power Electronics
Procurement
Zelimir T.
Novi Sad, Serbia
$60/hr
4.4
16 jobs
I design reliable, production-ready hardware for embedded systems and connected devices.
With over 10 years of experience in PCB design, I’ve completed more than 50 successful projects for 30+ satisfied clients, ranging from low-power IoT devices to complex, high-speed multilayer boards.
My work is guided by clarity, attention to detail, and long-term maintainability, from schematic capture and layout to testing and DFM optimization. While I occasionally write simple firmware for validation purposes, my true expertise lies in crafting robust, efficient, and well-documented hardware platforms.
🔧 Core Expertise:
🛠️ PCB Design – Up to 12 layers, impedance-controlled, HDI and rigid-flex
📶 High-Speed Interfaces – PCIe (Gen1–Gen4), USB 2.0 / 3.x, HDMI, MIPI CSI/DSI, DDR2/3/4, LPDDR4, SATA, eMMC, SDIO, RGMII, SGMII, QSPI, LVDS
📐 Signal Integrity – Length matching, differential pair tuning, impedance control, eye diagram and crosstalk simulation
🔌 Power Systems – DC-DC converters, LDOs, PMICs, battery management, multi-rail sequencing
📊 Test & Bring-Up – Lab validation, accessible layout for probing, test firmware and diagnostics
⚙️ Design for Manufacturing – BOM and layout optimization for reliable and cost-effective production
I’ve contributed to projects in consumer electronics, industrial automation, medical devices, agriculture, automotive systems, and even space-grade electronics.
If you’re looking for a hardware designer who understands both the science behind a clean layout and the real-world demands of scalable production, I’d be happy to support your next project.
PCB Design
Multilayer PCB
Research & Development
Embedded C
Altium Designer
Internet of Things
Hardware Design
Design for Manufacturing
Electrical Engineering
Digital Electronics
Embedded System
Automotive Design
V K.
Lazarevac, Serbia
$39/hr
5.0
182 jobs
✅ CREATIVITY: My proven artistic skills make your websites, ads, and print media look modern and appealing, while my marketing and SEO skills will help improve your site ranking or boost your online promotions. Customers tend to be happy with my ideas and their implementations and find my work exceptional.
✅ WEBSITE DESIGN: Over the 10+ years, I have designed and developed a number of websites, (Wordpress, Joomla, Wix, Weebly, HTML) with various extensions and plugins. I have built them from scratch, by customer guidelines, from the very simple to the most complex ones.
✅SEO & SEM: On-page SEO may be performed as a separate process.
✅ADS, Ad Campaigns: Google AdWords, Facebook Ads.
✅ PRINT DESIGN: Being more than 20 years in marketing, graphics industry, and DTP, I have created hundreds of campaigns, print media layouts, magazines, catalogs, books, logos, print ads, cover pages, illustrations.
/Please note: Sunday is a day off, and a few Holidays over the year./
⚒SERVICES:
1. Web design/development ✅
Detail-oriented, with focus on appealing page layouts, color sets, responsive & mobile-friendly UX. Familiar with dozens of modern premium WP themes and Joomla templates, plugins, extensions, and page builders.
1.1. E-commerce sites (Woocommerce)
1.2. Membership sites (WishlistMember, PMPRO)
2. Website Maintenance ✅
2.1. CMS and plugins/extensions updates, site backups & restoration.
2.2. Domain cPanel/WHM settings, security settings
2.3. New content uploads, edits and styling.
3. SEO (Search Engine Optimization) ✅
3.1. Keyword research & implementation
3.2. Meta tags & content optimization, description, snippets.
3.3. Image optimizations, file names, alt tags, optimal file compressions.
3.4. Complete page optimization per SEO Audit premium tools (IBP TopTen, SEO Power Suite, MOZ, SemRush, aHrefs)
3.5. Google Search Console/WMT monitoring/tracking
3.6. Google Analytics monitoring/tracking
4. Graphic design ✅
4.1. website graphics, image post-processing (Adobe Photoshop CC), image resourcing and selecting from RF sites.
4.2. Logo design, vector graphics (CDR, SVG, AI)
4.3. Print & media design (Adobe InDesign/Photoshop/AI)
5. Video Editing (FCPX) ✅
5.1. YouTube video upload & optimization (IVR, VidIQ)
6. Facebook Advertising & Ad Optimization ✅
6.1. creating FB ads, images, sliders, videos
6.2. setting FB ads campaigns, target audiences split testing
6.3. FB Pixel
6.4. tracking campaign performance in Ads Manager & Google Analytics
7. Google AdWords, PPC campaigns, Ads, Landing pages ✅
8. LeadPages, LeadBox, design & implementation ✅
9. E-mail follow-ups, Newsletters (Aweber, Mailchimp, Zoho) ✅
Adobe Photoshop
Website Redesign
WordPress
Web Development
Graphic Design
Internet Marketing
Web Design
Joomla
Search Engine Optimization
Logo Design
Layout Design
Miroslav B.
Novi Sad, Serbia
$50/hr
5.0
2 jobs
I specialize in professional PCB design with a strong focus on signal integrity and power integrity for reliable, production-ready hardware. My experience includes high-speed digital layouts, proper grounding, impedance control, decoupling strategies, and EMI-aware design practices. In addition to hardware design, I develop embedded firmware for STM32 microcontrollers using Embedded C and FreeRTOS, enabling complete hardware–software co-design. I am particularly interested in robust embedded systems, IoT devices, and complex mixed-signal designs.
Embedded System
PCB Design
STM32
Firmware
Hardware Design
Internet of Things
Electronic Circuit Design
Embedded C
Microcontroller
FreeRTOS
GPS
GSM
Multilayer PCB
Hardware Testing
Nikola R.
Novi Sad, Serbia
$60/hr
4.8
35 jobs
I design reliable, production-ready hardware for embedded systems and connected devices.
With over 10 years of experience in PCB design, I’ve completed more than 50 successful projects for 30+ satisfied clients, ranging from low-power IoT devices to complex, high-speed multilayer boards.
My work is guided by clarity, attention to detail, and long-term maintainability, from schematic capture and layout to testing and DFM optimization. While I occasionally write simple firmware for validation purposes, my true expertise lies in crafting robust, efficient, and well-documented hardware platforms.
🔧 Core Expertise:
🛠️ PCB Design – Up to 12 layers, impedance-controlled, HDI and rigid-flex
📶 High-Speed Interfaces – PCIe (Gen1–Gen4), USB 2.0 / 3.x, HDMI, MIPI CSI/DSI, DDR2/3/4, LPDDR4, SATA, eMMC, SDIO, RGMII, SGMII, QSPI, LVDS
📐 Signal Integrity – Length matching, differential pair tuning, impedance control, eye diagram and crosstalk simulation
🔌 Power Systems – DC-DC converters, LDOs, PMICs, battery management, multi-rail sequencing
📊 Test & Bring-Up – Lab validation, accessible layout for probing, test firmware and diagnostics
⚙️ Design for Manufacturing – BOM and layout optimization for reliable and cost-effective production
I’ve contributed to projects in consumer electronics, industrial automation, medical devices, agriculture, automotive systems, space-grade electronics, and even radiation-tolerant systems developed for CERN's HL-LHC.
If you’re looking for a hardware designer who understands both the science behind a clean layout and the real-world demands of scalable production, I’d be happy to support your next project.
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