I am a seasoned product manager with 15 years of experience spanning multiple high-tech industries. My expertise lies in driving product strategy and development, particularly in XR/MR and smart educational devices. I have a proven ability to transform innovative ideas into successful products by leveraging deep market insights and effective team collaboration. I thrive in dynamic environments, and my familiarity with both technical and design aspects allows me to bridge the gap between engineering and user experience. If you seek a partner who can deliver results through strategic thinking and meticulous execution, let's discuss how I can contribute to your project's success.

I'm a system engineer. I've architected (and built) products spanning mechatronics, embedded and web. - I love tackling deployment/states/sequence/structural diagrams - Utilizing UML to communicate architecture - I've good strong experience of using LLMs in applications and establishing interfaces between it and classical systems - I love defining interfaces - I cherish my automotive experience and approach everything with V-cycle mindset - I've lead teams and know how to coordinate through hard times

Hello! I'm Kotaro Fukue, an AI / Software Engineer and graduate student in Electrical Engineering at Tokyo University of Science, specializing in machine learning for wireless communications and signal processing. My work combines advanced signal processing, machine learning, and software engineering. I have experience both in academic research (international publications) and real-world software development, allowing me to bridge theoretical models and practical systems. 🔬 Research & Technical Expertise My research focuses on applying deep learning to wireless communication systems, particularly interference estimation and adaptive signal processing in LTE–WLAN coexistence environments. I have published peer-reviewed papers at international conferences including: IEEE Consumer Communications & Networking Conference (CCNC) IEEE Asia-Pacific Conference on Communications (APCC) These research experiences enable me to analyze complex technical problems and deliver rigorous, high-quality solutions. My research work has also been recognized through academic awards, including: ・Best Poster Presentation Award – MIKA 2025 ・Paper Awards at international conference These recognitions highlight the novelty and technical quality of my research contributions. 💻 Software Engineering Experience I also worked as a software engineer in a long-term AI development internship, where I developed a Retrieval-Augmented Generation (RAG) system. My responsibilities included: ・Designing and implementing weighted search functions for knowledge retrieval ・Developing LLM-based chatbot infrastructure ・Managing development tasks and coordinating with team members under tight deadlines ・Performing code reviews and improving system quality Through this experience, I gained strong skills in AI system implementation and production-level software development. 🧠 Technical Skills Python，MATLAB，C，React，Elasticsearch, Kubernates，SQL，Ruby on Rails，Docker CNN models，Spectrogram analysis，Signal processing RAG systems，LLM applications，Backend development 🌍 Additional Strengths ・Technical paper writing ・Technical translation (English ↔ Japanese) ・Research documentation and analysis ・Academic-level problem solving Because of my research background and international publications, I can accurately understand complex technical materials and communicate them clearly in both English and Japanese. 📩 How I Can Help I can help with: AI / Machine Learning development Signal processing or wireless communication projects Python / MATLAB technical work RAG / LLM system development Technical translation (English ↔ Japanese) Research assistance or academic writing If you're looking for someone who combines research-level technical understanding with real development experience, I'd be happy to work with you.

I specialize in technical tendering and telecommunications engineering, with five years of hands-on experience in managing complex radio access network projects. My expertise encompasses pre-sales activities, where I effectively analyze requirements and prepare compelling technical proposals that align solutions with customer needs. I have a strong background in electronic and communication engineering, combined with practical knowledge of telecommunications networks and radio access technologies. My analytical mindset allows me to troubleshoot and resolve intricate network issues efficiently. I excel in coordinating technical teams and ensuring project requirements are met while maintaining high-quality standards. If you need a professional who can bridge technical details with customer insights and drive project success, let's discuss how I can support your next initiative.

PCB Design Engineer with hands-on experience in schematic capture, layout, and routing using Altium Designer. I work on single & multilayer PCBs, analog and mixed-signal circuits, power electronics, and microcontroller- based designs (Arduino, ESP32, STM32, etc.), delivering manufacturing-ready Gerbers and BOMs. I hold a BS in Electrical Engineering from NUST, graduating with a 3.87 CGPA and the Best Student & Highest GPA awards in my department. My final year project involved designing an mmWave radar-based system for small object detection and tracking — combining RF circuit design, signal processing, and high-frequency PCB layout. What I bring to your project: - Clean, well-documented schematics - Layouts optimized for signal integrity and EMI/EMC - Manufacturing-ready files (Gerbers, BOM, pick & place) - Clear communication and on-time delivery Send me your project details – schematic, datasheets, or even a rough idea — and I'll get back to you with a clear plan and timeline.

Hi there! We’re a small but specialized hardware development team based in Shenzhen, the heart of China’s smart electronics industry. With 11+ years of experience in embedded systems and IoT hardware design, we help startups and businesses bring their ideas to life-from concept to mass production. Known as the ULINK Team, we focus on ultra-low power smart devices, sensor integration, and wireless communication technologies like BLE, LoRa, NB-IoT, and UWB. Our BLE modules achieve standby currents as low as < 3μA, and we've built full-stack solutions for tracking, positioning, and remote sensing applications across industries. What We Do Best IoT Product Development (BLE, LoRaWAN, NB-IoT, LTE-Cat1) Custom PCB design, RF optimization, and antenna matching Embedded firmware development (nRF52, STM32, ESP32) Sensor system integration with power & battery optimization BLE SIP Module design, small form-factor, SiP packaging Prototyping, testing, certification (CE, FCC, RoHS), and manufacturing Typical Projects We’ve Delivered BLE Smart Tag (AirTag-like device) Developed ultra-small BLE 5.2 tracker with high-sensitivity antenna, < 12μA advertising mode. Supported OTA, iOS/Android compatibility. LoRaWAN Environmental Monitor Battery-powered air quality sensor using LoRaWAN and BLE dual-mode; over 5 years of battery life with remote firmware upgrade capability. BLE + GPS Asset Tracker Designed a coin-cell powered location tracker using BLE + GPS + motion sensor, for US logistics company. Smart Elevator Maintenance Module Built a remote telemetry device using BLE + LTE-Cat1 for elevator maintenance monitoring. Integrated RS485 and CAN interfaces. Parking Sensor System Designed a geomagnetic + mmWave radar dual-mode vehicle detector, using NB-IoT, achieving IP68 and > 5 years service life. Our Process From initial demand analysis -- component selection -- schematic + PCB -- firmware -- RF tuning -- rapid prototyping -- testing -- DFM -- batch production — we cover the entire product development lifecycle. Why Clients Work With Us Based in Shenzhen, with deep access to the global electronics supply chain Fast turnaround: Prototypes ready in 2–4 weeks Full stack: From hardware, firmware, to backend API connection Rich experience in global markets and certifications Flexible engagement: One-off jobs, long-term cooperation, or equity-based partnerships If you’re looking to build a smart device that’s power-efficient, production-ready, and tailored to your needs, we’d love to be your go-to hardware team. Let’s make your idea a reality.

I am a Ph.D.-level electromagnetic and photonics simulation specialist with experience in COMSOL Multiphysics, CST Studio Suite, FDTD-based modeling, optical engineering, RF/THz devices, metasurfaces, and semiconductor device analysis. I help clients with: COMSOL / CST electromagnetic simulation RF, mmWave, sub-THz, THz, infrared, and optical device modeling Metasurface, absorber, resonator, antenna, waveguide, and cavity simulation Parameter sweep, geometry optimization, and sensitivity analysis Field-distribution analysis and resonance interpretation Simulation-to-experiment comparison Technical feasibility studies and R&D reports My research background includes mid-infrared chiral metasurfaces, phase-change photonic devices, broadband THz metamaterial absorbers, FTIR characterization, THz-TDS measurements, and polarization-resolved optical analysis. I also have industrial experience in photonic components, semiconductor reliability testing, failure analysis, and thin-film coating processes. I am especially useful when a project requires more than software operation. I can help identify the correct physical model, choose appropriate boundary conditions, interpret field and spectral responses, troubleshoot simulation issues, and provide clear technical recommendations. Typical projects I can support include: COMSOL or CST model setup and debugging THz absorber or shielding structure design RF/mmWave/sub-THz electromagnetic structure simulation Optical sensing and metasurface feasibility studies Parameter optimization for resonance, absorption, transmission, or polarization response Technical reports for R&D teams, publications, proposals, or startup validation If you need reliable electromagnetic, photonics, or physics-based simulation support, I would be glad to help turn your concept into a working model, interpretable results, and actionable design recommendations.

PROFILE CAREER SUMMARY Passionate about writing and articulate in communicating. Experienced ghost writer for various technical domains. Experienced in documenting high-volume projects. A programming enthusiast with working knowledge in Machine Learning. Natural leader experienced in driving great team successes. Excellent communication and interpersonal skills with ability to work well with others, in both supervisory and support roles.

RF/Microwave Engineer | Power Amplifier Designer | ADS & Electromagnetic Simulation Expert I am a Ph.D.-trained RF and Microwave Engineer with over 8 years of experience in wireless communications, power amplifier design, electromagnetic simulation, and advanced RF system development. My expertise spans RF, microwave, and mmWave technologies, with a strong background in both industrial R&D and academic research. I have designed and optimized high-efficiency power amplifiers, Doherty amplifiers, LNAs, filters, couplers, oscillators, and antenna systems for commercial wireless applications. I am highly proficient with Keysight ADS, EMPro, SystemVue, MATLAB, and Python-based automation workflows. My experience includes: • RF and microwave circuit design and optimization • Power amplifier design (Class AB, Doherty, Class C) • Load-pull analysis and nonlinear device modeling • EM simulation and RF layout design • Antenna and passive component design • Measurement and characterization using VNAs and RF test equipment • Python and MATLAB automation for RF workflows • Technical writing, research publications, and engineering reports I have authored numerous IEEE publications with hundreds of citations and have successfully delivered projects for industry-leading telecommunications and semiconductor organizations. Whether you need RF design support, simulation expertise, measurement analysis, or technical consulting, I can help transform your requirements into practical, high-performance solutions.

I help startups, hardware teams, and entrepreneurs turn electronic ideas into working prototypes and production-ready designs. With over 10 years of electronics industry experience, I specialise in PCB design, RF circuits, embedded systems, and product development. I will deliver solutions that are reliable, manufacturable, and cost-effective. Core Skills and Services: PCB Design & Layout :: Main tool is KiCad for multi-layer boards with controlled impedance, power integrity, signal integrity RF / High-Frequency :: PCB Design with impedance matching, power amplifier design, filters, RF front-ends, SDR. Microwave Engineering :: Radar systems design (CW, Pulsed, FMCW) Embedded & Microcontroller Systems :: ESP32, STM32, Arduino, Python, IoT integration. Analog & Digital Circuit Design :: power supplies, battery management, sensors, mixed-signal interfaces, motor drivers Component Sourcing & Manufacturing Support :: BOM optimisation, alternative parts selection, supplier recommendations, support with PCB fabrication and assembly houses Simulation & Modeling :: SPICE, EM, MATLAB, device and circuit characterisation Why work with me? Industry and academic background in semiconductors, RF electronics, and product design Experience with consumer electronics, IoT devices, and RF/microwave systems Clear communication, structured documentation, and on-time delivery Whether you need a compact IoT PCB, a high-frequency RF board, or a microcontroller system programmed and tested, I can take your project from idea to working hardware.