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20 USD / hourWelcome to my Freelancer profile! I am a professional Electronics Engineer specializing in PCB design, circuit design, power electronics , IoT, firmware development, and embedded systems. Expertise PCB Design 1.Custom PCB Design – Single-layer, multi-layer, high-speed PCB layouts. 3.Power Electronics PCB – battery management, motor controllers,audio player PCB Software: OrCAD, PADS, Altium, Circuit Design & Development 1. Analog & Digital Circuits – Amplifiers, filters, logic gates, microcontrollers. 2.Power Electronics – DC-DC converters, inverters, rectifiers, motor drivers. audio player device 3.IoT Hardware – ESP32, STM32, GSM, LoRa, Zigbee. 4.Industrial & Consumer Electronics – Smart automation, sensor integration. Firmware & Software Development 1.Embedded Systems – Microcontroller coding, firmware optimization. 2.Wireless Communication – UART, I2C, SPI, CAN, GSM, BLE, LoRa. Manufacture we also offer manufacturing services, including material procurement, PCB manufacturing, SMT chip mounting processing, assembly and testing, packaging, and delivery. We have a comprehensive supply chain management system, stable partnerships with numerous high-quality material suppliers.Hire timl42
20 USD / hourCommitted to offering English⇋Chinese (Mandarin) translation/proofreading services only! CATTI-Certified Translator, CATTI (China Accreditation Test for Translators and Interpreters) is the most authoritative translation and interpretation proficiency accreditation test in China. .Hire Tinaxu
30 USD / hourI am a seasoned software engineer with a proven track record of delivering cutting-edge, user-centric digital solutions for startups, enterprises, and global brands. My work spans the entire software development lifecycle — from ideation and architecture to deployment and optimization — with a focus on modern web, mobile, and AI-driven applications. Over the years, I’ve mastered the art of blending aesthetics, performance, and scalability, ensuring every project I touch not only meets technical requirements but also drives measurable business growth. 🔹 My Core Expertise Web Development (Frontend & Backend) Modern JavaScript frameworks: React.js, Vue.js, Next.js Backend mastery: Node.js, Django, FastAPI, Laravel Styling & UI: Tailwind CSS, Material UI, custom component libraries REST & GraphQL APIs, real-time applications, PWA development Mobile Development Cross-platform excellence: React Native, Expo, Flutter High-performance native integrations Pixel-perfect, responsive mobile UI/UX Artificial Intelligence & Machine Learning Natural Language Processing (NLP), computer vision, predictive modeling Custom model training & deployment (TensorFlow, PyTorch, scikit-learn) GPT, Vertex AI, OpenAI API integrations for chatbots, automation & intelligent decision-making Data pipelines, analytics dashboards, AI-powered automation Cloud & DevOps AWS, GCP, Azure deployment & scaling Docker, Kubernetes, CI/CD pipelines, serverless architectures PostgreSQL, MySQL, MongoDB, Firebase 💼 Why Clients Choose Me Proven Delivery: Successfully led 20+ full-scale projects from concept to production. Business-Driven Mindset: I translate technical complexity into real-world business outcomes. Scalable Solutions: Architected systems that support millions of users without compromising performance. Transparent Communication: Clear, proactive, and client-focused at every stage. Whether you’re launching a high-growth SaaS platform, building an AI-powered mobile app, or modernizing your digital ecosystem, I bring a unique blend of deep technical expertise and strategic thinking to turn complex visions into flawless reality.Hire xuezhe315
20 GBP / hourProficient in programming languages such as C++and Python, with experience in full stack development projectsHire FangzhouHe"\t\t\t\t"
50 USD / hourEx-SAP Director | China Market Entry & Supply Chain Architect | Fractional Executive I’m Mason, your ultimate Cross-border Partner. Whether you need to scale a brand from 0-to-1 in China, build supply chain resilience, conduct deep-dive corporate due diligence, or source an elite tech team, you are in the right place. With 20+ years of expertise bridging global strategy with China’s industrial reality—including serving as a Regional Director at SAP and holding a Master's in Service Design (IPSD) from HKU—I provide international clients with "ground-floor" insights, institutional-grade precision, and high-fidelity execution. 🏆 Why Top Firms & Global Brands Partner With Me ✅ Tier-1 Rigor: Project collaborator for McKinsey & Nielsen, delivering evidence-based intelligence and "Zero-AI Hallucination" insights. ✅ 0-to-1 Market Leadership: Spearheaded the full-stack operations for Nest Designs (Canadian), scaling it to the #1 category position on Tmall. ✅ High-Trust Vendor Verification: I transform traditional sourcing into resilience engineering, bypassing middlemen to locate and verify hidden OEM factories. ✅ Advanced Corporate Intelligence: Leveraging proprietary databases to perform exhaustive credit penetration and risk tracing to safeguard your investments. ✅ Ecosystem & IP Mastery: Achieved #1 organic ranking on RedNote (Xiaohongshu) for a luxury brand (Unfurl) in 3 months; personally manage a 30K+ follower WeChat IP matrix generating 500K+ RMB. ✅ Executive-Grade Execution: Integrity. Precision. Strategic Value. ✨ My Core Services (Fractional Leadership & Full-Stack Operations) 📌 Corporate Intelligence & Supply Chain Resilience 💎 McKinsey-standard industry research & geopolitical risk assessment 💎 High-trust vendor ecosystem building, deep-dive due diligence, and factory audits 💎 Proprietary credit penetration, C-suite tracing, and OEM background verification 📌 China Market Entry & Digital Growth 💎 Fractional Leadership for China GTM strategy and brand localization 💎 Platform Mastery: Xiaohongshu (RedNote), WeChat Ecosystem, Tmall, Douyin 💎 High-net-worth (HNW) lead generation, private traffic conversion, and SEO-focused content strategy 📌 Remote Tech Team Sourcing & Management 💎 Translating complex business visions into clear technical execution roadmaps 💎 Sourcing, vetting, and managing elite, cost-effective Chinese engineering teams for global firms (e.g., North American Commercial Real Estate Platforms)Hire masonwangch
10 USD / hourHello! I am an experienced software developer skilled in creating desktop, mobile, and web applications. I offer high-quality solutions at an affordable price to meet your needs.Hire YujiaoMa
20 USD / hourHello there, My name is Wang. I am a native Chinese speaker based in Nanjing, Jiangsu, China. ------------------------------------------------------------------------------------------------------- CATTI (China Accreditation Test for Translators and Interpreters) Certified B.A. English Language and Literature | Nanjing Normal University B.A Civil Engineering | Southeast University ------------------------------------------------------------------------------------------------------- I bring over 20 years of experience in English and Chinese translation, enriched by extensive periods living abroad and working on international projects. ------------------------------------------------------------------------------------------------------- Specializing in the following areas of translation: ✅Website content ✅Medical (reports and pharmacology） ✅Blockchains ✅Business plans and Market promotion ✅IT such as UI, network security, credentials ✅Manuals or specifications ✅Financial reports and credit reports ✅Legal contracts or documents ✅Real estate and property management ✅Technology engineering, such as power and weak currents, HACV, firefighting, ✅EHS (environment, health and security) ✅Certificates such as driving licenses, business licenses, birth certificates, etc. ✅Literature and other liberal arts areas My top priority is to deliver accurate, natural, and high-quality translations. -------------------------------------------------------------------------------------------------- Started my English/Chinese content writer from 2000. Have accumulated massive knowledge and gained extensive experience on diversified fields, genres and writing styles. My areas of expertise include but not limited to: article writing, rewriting, web content, blogs, essays, research writing, and social media content. -------------------------------------------------------------------------------------------------- Civil engineer and national cost engineer Lived abroad and worked on projects for 20+ years Good management skills of projects, facility and EHS Experience in product and manufacturer sourcing Supply chain management and project management OEM service and customize new productHire willdo2054
40 USD / hourI’m a Senior Full-Stack Developer with over 8 years of experience delivering end-to-end web and software solutions for startups, enterprises, and global clients. I specialize in building scalable, secure, and user-focused applications using modern frameworks and tools across both frontend and backend stacks. My expertise includes technologies like Laravel, React, Node.js, PostgreSQL, and cloud platforms such as AWS and Google Cloud.Hire zhens2
20 USD / houram a Senior Full Stack Engineer with expertise in Rust, Python, and Node.js. I specialize in building scalable backend systems, REST API development, and automated data collection. With deep experience in Linux and MySQL, I provide end-to-end web solutions from server setup to frontend implementation. I focus on clean code, security, and high performance. 您好！我是一名资深全栈工程师，精通 Java、Python 和 Node.js 开发。我擅长构建高扩展性的后端系统、REST API 设计以及自动化数据采集（爬虫）。凭借对 Linux 服务器管理和 PostgreSQL 数据库优化的深厚经验，我能为您提供从服务器配置到前端开发的全流程解决方案。我注重代码质量、系统安全与高性能交付。Hire yuanzhi5
25 USD / hourHi, I'm an experienced Expert who has 15+ professional expertise in Admin/Sourcing/Translation, Project Management. Plus I'm well educated with an English Bachelor degree. I'm willing to be your bilingual personal Project Manager to provide exceptional services based in Guangzhou, China. I am available for short or long term projects: Sourcing/Purchasing Services Translation/Proofreading Human Resources Service Executive Assistance Customer Support Travel/Tour Support Web Searches Competitor Research Project management Administrative support Live interpretation/meetings Guangzhou Local Projects With 15+ years of professional Admin/HR/Sourcing working experience, I am not only well equipped with all necessary skills, but also a detail-oriented and efficient, responsible assistant. Please feel free to contact, I will do my best to help you out. I'm looking forward to work with you！Hire Lindaz2024
