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$39/hr
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Senior Hardware Engineer with 7+ years delivering certified electronics across rail, aerospace, automotive, and industrial domains — including 4 years in the UK working on London Underground and TfL bus fleet systems. M.Eng. Mechatronics, Kingston University London. Designed and deployed a 600W power distribution board across 500 TfL London buses — sole engineer from schematic to CE/UKCA certification to live commissioning (40% downtime reduction, 99.5% uptime) Led Victoria Line Emergency System redesign for London Underground — full hardware lifecycle, cross-functional team management, TfL compliance Designed ticketing system interface boards and Passenger Operated Display (POD) units for UK transit HV test equipment (50kV AC / 18kV DC) — T&R Test Equipment, Guildford UK Aerospace avionics research at CSIR-NAL — DO-160/DO-254 environment, INCOSE Best Paper Award 2025 Consulting: mmWave sensor power supply, industrial automation PCBs, relay driver boards Formula SAE electronics lead — EPS, telemetry, 500ns safety circuits, LCD instrumentation Specialist in analog/mixed-signal design, DC-DC power conversion, EMC/EMI compliance, and Altium Designer. Standards experience: CE/UKCA, IEC 61000, ISO 16750, DO-160, DO-254, EU Low Voltage Directive. I work with clients across the USA, Europe, and India. Clear communication, full documentation, no hand-holding needed.
$40/hr
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Strategic Content Writer with over 2+ years of experience producing high-impact digital content for SaaS, fintech, geospatial, trading, compliance, hospitality and enterprise tech brands. Proven ability to create SEO-optimized, research-backed content that drives traffic, improves engagement, and supports brand positioning. Adept at managing full content lifecycles-from ideation and research to writing, editing, and publishing across websites, blogs, whitepapers, landing pages, and social media. Committed to delivering clear, compelling content aligned with business goals and audience needs. 𝗪𝗵𝗲𝘁𝗵𝗲𝗿 𝘆𝗼𝘂 𝗻𝗲𝗲𝗱: ~ Blog/Article Writing ~ Website content ~ Press releases (PR) ~ Social media captions & content ~ Product descriptions ~ Email copy & newsletters ~ Whitepapers & case studies I've got you covered! Need content that speaks to your audience? Let’s chat!
$100/hr
$200K+ earned
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Extensive academic and research work in wireless communication until 2004, followed by 20 years of vast hands-on field experience in the Wireless and Telecommunications Industry, 9 years in the MEA, and 11 years in the North American region. Good working knowledge of the wireless Standards from IEEE and 3GPP organizations that control the Cellular 5G NR / 4G LTE, Wi-Fi, Bluetooth, and IoT technologies. Good working knowledge of private and public, fixed and mobile wireless Network Architectures covering the RAN, Edge, Core, and UE, as well as new techniques like Network Slicing, Virtualization NFV, MU-MIMO, OFDM, and Beamforming. Field Experience in managing all phases of building wireless infrastructures, starting from Site Surveys using tools like Ekahau and RF coverage design using tools like Atoll, EDX, MapInfo, and iBwave. Training, Testing, Integration with other network elements like switches, routers, VPNs or New Cloud services like AWS and GC, Monitoring, and Security. I have more than 15 years of experience in Solutions, Applications, and Customer Engineering, helping hundreds of partners and end customers in different verticals (Telcos, Oil and gas, Banking, Education, Transportation, and Health) in the Middle East, Africa, and North America regions implement their wireless network Infrastructures. I led teams of professional engineers in applications and solutions engineering in employment and consulting work environments. My Largest field references are 1) Designing the Private Wireless Coverage for seven US Airports in Air Traffic Control applications and 2) Designing and Implementing the connectivity for hundreds of sites nationwide for the banking sector in the Middle East. My excellent teaching and presentation talents have led me to train thousands of engineers working in telecommunications worldwide during the past twenty years. During my career, I have also worked as an international senior ICT consultant for several USAID projects and many international development projects. I am an active technical member of the IEEE Telecommunication Forum and WISPA Group and an International speaker at many Telecom Conferences and Events.
Abdl Karim A.
$20/hr
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I specialize in AI and machine learning, focusing on anomaly detection and computer vision. With hands-on experience in developing unsupervised deep learning pipelines, I successfully built a system for bearing degradation detection using autoencoders and advanced statistical methods. My expertise extends to creating full stereo vision pipelines, including depth computation and 3D point cloud generation, harnessing tools like OpenCV and PyTorch. I also have experience in big data analytics, utilizing Apache Spark and Hadoop to analyze complex datasets. If you need innovative solutions backed by a solid foundation in deep learning and computer vision, I'm here to help. Let's collaborate to bring your project to life effectively and efficiently.
$25/hr
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I’m an embedded software engineer experienced in automotive ECU development and sensor systems. Whether you need support with ECU software development, CAN/OBD diagnostics, or embedded sensor integration, I can help. Skills and experience include: - Embedded C development for microcontrollers - Automotive ECU software (CAN communication, OBD diagnostics) - Sensor systems for automatic doors (image processing, mmWave radar) - Debugging, verification, and integration testing I value clear communication and steady progress, and I prefer text-based communication for technical discussions.
$20/hr
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I'm an RF and antenna engineer with a PhD in Electrical Engineering from Nazarbayev University, Astana, Kazakhstan, where my research focused on mmWave MIMO antennas for 5G, IoT, and body-area network applications. Most of my work lives in CST Microwave Studio and HFSS. Over the past five years, I've designed, simulated, and optimized patch arrays, MIMO systems, metasurface absorbers, Butler matrix feed networks, and flexible/wearable antennas. Several of these projects ended up in Q1 journals and IEEE conferences. What I can help you with: — Antenna design and full-wave EM simulation (CST, HFSS) — MIMO antenna systems: isolation, ECC, diversity gain — mmWave patch arrays and series-fed designs — Metasurface and metamaterial unit cell design — Flexible and wearable antennas on Rogers/PDMS substrates — Butler matrix and beamforming feed networks — RF energy harvesting structures — On-body EM simulation for WBAN — Technical writing: journal papers, reports, documentation I've worked on funded research projects through Nazarbayev University and the Science Committee of Kazakhstan, so I understand deliverables, timelines, and documentation. If you have a simulation that isn't converging, a design that needs to hit a spec, or a paper that needs a technically solid methods section — I can help. Send me the details, and I'll tell you honestly whether it's something I can do.
$75/hr
100% Job Success
$200K+ earned
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Network systems and machine learning professional, passionate about engineering challenges. I do care about client's work as if it was my own business. My professional interests include (but are not limited to): telecommunication engineering, mobile networks evolution and development, network software development, data science, machine learning Examples of areas, activities, technologies and tools I am experienced in: * Telecommunications - GSM/UMTS/LTE/5GNR - mmWave - RF planning and optimization - network software development - wireless R&D - MATLAB - system testing * Software engineering and machine learning - Python and R - Golang and C++ - Probability and statistics - Pandas, Numpy, Sklearn - Tensorflow, Keras, Pytorch, Fast.ai - Regressions, decision trees / random forests, gradient boostings (LGBM, XGBoost, Catboost), clustering, time series analysis, SVMs, bayesian methods - APIs, Flask, SQL and NoSQL (MongoDB) - GCP, AWS, Linode
$35/hr
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I'm a researcher in Information & Communication Engineering (USTC) with first-author publications in IEEE journals across wireless communications and mmWave sensing, and I help researchers, students, and R&D teams turn complex technical work into accepted papers and working simulations. My strongest services are journal paper editing and formatting (IEEE Transactions/Journal templates, LaTeX setup and debugging, abstract and highlights polishing, and related-work and survey writing); point-by-point reviewer rebuttals and resubmissions; and MATLAB/Python simulations for signal processing and wireless communications, channel estimation, beamforming, RIS/STAR-RIS, OFDM, hybrid precoding, WMMSE, and optimization, delivered with correct math, reproducible code, and publication-ready figures. I also build deep-learning pipelines for mmWave/FMCW radar sensing, including physics-guided feature engineering and CNN/attention-based classification. I bring genuine domain depth rather than surface familiarity: I understand the math behind the methods, the standards reviewers expect, and how to make results both correct and clearly communicated, so whether you need a paper formatted to journal standards, a simulation that reproduces the right results, or a rebuttal that gets your work over the line, you'll get accurate, IEEE-compliant deliverables and clear communication throughout.
$12/hr
100% Job Success
$100+ earned
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🇵🇰 Expert FREELANCER | HIRE THE BEST IN IoT, Embedded Systems & Full-Stack Development 🏆 🚀 IoT, Firmware & Embedded System Expert With years of hands-on experience in IoT development, I specialize in Arduino, ESP32, and Raspberry Pi firmware creation and robotic solutions. Whether you're seeking a reliable solution designer or need an expert to bring your project to life, I’ve got you covered. 🟥 Key Expertise: 🟨 IoT & Embedded Systems Development 🟨 Firmware Development: STM32, PIC, ATMEL, ATMEGA, Nordic CPU, ESP32, Arduino, Raspberry Pi 🟨 Hardware Design: Schematic and Multi-layer PCB Design, DC/DC Power Supplies, Microcontrollers, PFC Circuits, Motor Drivers, LED Drivers, Line Voltage Systems 🟨 Reversing & Optimization: C/C++ reversing, 2-layer PCB reversing 🟥 Backend & Web Development 🟨 Python Solutions: Flask, Django, REST APIs, Data Analysis, Web Scraping, API Integration 🟨 JavaScript Development: Node.js, Express.js, React.js, Next.js 🟨 Full-Stack Expertise: Proficient in MongoDB, MySQL, and responsive UI/UX design 🟥 Communication Protocols 🟨 Expert in Protocols: I2C, SPI, UART, USB, One-Wire, Bluetooth 🟥 Software & Tools 🟨 Advanced PCB Design: Altium Designer 🟨 UI/UX & App Development: Web and App Development, Flutter, Swift, C 🟨 System Programming: RTOS, Embedded Linux, Linux & Windows Device Drivers, Win32, 🟨 🟨 Android NDK, Qt 🟥 Programming Languages: 🟨 C/C++, MicroPython, Assembly, Shell Scripting 💼 Let's turn your vision into reality. Ready to start your next IoT or embedded systems project? Contact me today to discuss your needs!
David-Benjamin G.
$120/hr
100% Job Success
$50K+ earned
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Thanks for visiting my profile! I am a fully qualified Electronics Engineer holding a Bachelor's and Master's degree in Electronics and Information Technology (Germany) as well as a Master's in Sensor Technology and a PhD in Physics from the University of Cambridge (UK). With more than a decade of experience in circuit design and embedded programming I particularly enjoy working on • Radar (mmWave and custom broadband systems from 0-24 GHz) • LVDS, mipi-dsi, mipi-csi, parallel rgb, HDMI, gigabit ethernet • High-speed and RF systems (Radar, VCOs, LNAs, PLLs, distributed element filters and couplers from DC to 24 GHz) • FPGAs for signal conversion • ADC conversion/signal processing of sensor data • (Embedded) programming in C, Verilog, Python • Rockchip, iMX8, Nvidia Jetson • ESP32, esp-idf • freeRTOS, Linux, bare-metal • Linux kernel and user space drivers, BSP and device trees • v4l2, gstreamer, mipi-dsi and mipi-csi, camera drivers • Yocto and buildroot Development platforms I use are Nvidia Jetson Orin, IMX8 dev boards (Toradex), Rockchip, ESP32, nrf52, Lattice crosslink.