Freelancers for hire in China
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I 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,...I 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 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 50+ 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. less
Hire xuezhe315
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I’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...I’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. less
Hire zhens2
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I am an architect. I am proficient in REVIT and CAD and can create parametric models independently.I am an architect. I am proficient in REVIT and CAD and can create parametric models independently. less
Hire ximinxxiao
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Results-oriented Software Engineer with +5 years of experience specializing in full-stack development. Strengths include: - Proficient in a wide range of programming languages, including Java, Python, C#, and JavaScript. - Well-versed in modern web frameworks such as React and Node.js. - Skilled in Shopify...Results-oriented Software Engineer with +5 years of experience specializing in full-stack development. Strengths include: - Proficient in a wide range of programming languages, including Java, Python, C#, and JavaScript. - Well-versed in modern web frameworks such as React and Node.js. - Skilled in Shopify development, including custom themes, apps, and integrations. - Experienced in building automation and AI-powered solutions to optimize workflows and enhance user experiences. - Adept at designing and implementing scalable and maintainable software solutions. - Strong background in database management, RESTful API development, and cloud technologies like AWS. less
Hire yuq4
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I am a seasoned full-stack developer with extensive experience across a broad range of technologies. My expertise includes ✨front-end development with HTML, CSS, JavaScript, React, Svelte, and TypeScript, and ✨ ✨back-end development using Node.js, Express, Python, Django, FastAPI, PHP, Wordpress, and Laravel.✨ I am...I am a seasoned full-stack developer with extensive experience across a broad range of technologies. My expertise includes ✨front-end development with HTML, CSS, JavaScript, React, Svelte, and TypeScript, and ✨ ✨back-end development using Node.js, Express, Python, Django, FastAPI, PHP, Wordpress, and Laravel.✨ I am also proficient in using Next.js for server-side rendering, building scalable applications on AWS, implementing CI/CD pipelines, and managing version control with Git. In addition to my full-stack skills, I have significant experience in developing chatbots, making me well-versed in both web and conversational ✨ AI technologies.✨ less
Hire benrij
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A seasoned Software Development Engineer with approximately 15 years of hands-on experience in designing, developing, and delivering enterprise-grade solutions. Currently leading a dynamic 10+ member studio team—comprising full-stack developers, QA specialists, and product managers—fostering a collaborative agile...A seasoned Software Development Engineer with approximately 15 years of hands-on experience in designing, developing, and delivering enterprise-grade solutions. Currently leading a dynamic 10+ member studio team—comprising full-stack developers, QA specialists, and product managers—fostering a collaborative agile environment (Scrum/Kanban) to drive end-to-end project lifecycles, from requirement analysis to deployment and iterative optimization. Specializes in scalable management software systems, with a proven track record in delivering robust CRM (Customer Relationship Management) and ERP (Enterprise Resource Planning) solutions. For CRM, has led modular architecture designs integrating sales pipeline management, customer analytics, and marketing automation, boosting client retention by 20-30% in prior projects. In ERP development, focused on streamlining core processes (inventory, finance, supply chain) using Java/Spring Boot, Python/Django, and cloud platforms (AWS/Azure), ensuring high availability and performance for mid-to-large enterprises. Boasts extensive IoT (Internet of Things) expertise, with key projects in smart fire protection and smart agriculture. In smart fire safety, engineered end-to-end solutions integrating wireless sensors (smoke/temperature/gas), real-time monitoring dashboards, and automated alerts (SMS/email/app), cutting emergency response times by 40% for commercial clients. For smart agriculture, developed IoT platforms for environmental monitoring (soil moisture, pH, weather) and precision farming, leveraging MQTT/LoRaWAN for low-power device communication and edge computing for local data processing—enabling farmers to optimize irrigation/fertilizer use and increase yields by 15-25%. Additionally, ventures into AI applications, focusing on open-source LLMs (e.g., Llama, ChatGLM) for AI-powered recognition and automation. Built a computer vision-based quality inspection system using fine-tuned multimodal LLMs to analyze product images, achieving 95%+ defect detection accuracy—replacing manual checks and improving production efficiency. Also explored predictive analytics by integrating LLMs with historical data to forecast sales trends or equipment failures, aiding data-driven decision-making. Combines technical depth (Python/Java/JavaScript, SQL, cloud-native tools) with strategic leadership, bridging technical teams and stakeholders to align solutions with business goals. Known for mentoring junior engineers, enhancing team capabilities, and delivering projects on time/budget—consistent track record of driving innovation across less
Hire winteam0792
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With a Ph.D. in Engineering & Statistics, I bring 14+ years of data science and industry experience. I specialize in AI-driven solutions for e-commerce management, marketing funnel and supply chain management, using data analytics and AI techniques to solve real business problems. I’ve led projects across consumer...With a Ph.D. in Engineering & Statistics, I bring 14+ years of data science and industry experience. I specialize in AI-driven solutions for e-commerce management, marketing funnel and supply chain management, using data analytics and AI techniques to solve real business problems. I’ve led projects across consumer products, automotive, and textiles, from data analytics, algorithm design, POC development to full project delivery. My focus is creating practical, data-driven solutions that improve efficiency and deliver measurable business value. Let’s collaborate to unlock your potential with AI and digital tools. less
Hire lesliel24
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am a Senior Full Stack Engineer with expertise in Java, 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...am a Senior Full Stack Engineer with expertise in Java, 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 MySQL 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。 less
Hire yuanzhi5
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15+ years experience in testing. Familiar with test automation architecture and tools, include but not limited to Selenium, TestNG, Tosca, JMeter, BlazeMeter and so on. Basic coding skills on Java, Javascripts, Python, Go, NodeJS and so on. IT compliance experience on medical device manufacturing enterprise. Familiar...15+ years experience in testing. Familiar with test automation architecture and tools, include but not limited to Selenium, TestNG, Tosca, JMeter, BlazeMeter and so on. Basic coding skills on Java, Javascripts, Python, Go, NodeJS and so on. IT compliance experience on medical device manufacturing enterprise. Familiar with regulation of FDA 21, ISO13485. I'm smart working with excellent communication skills, good at both teamwork and solo work style to complete the project. less
Hire ZoeFromLiangjian
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Antenna Design, Automation, C Programming, DDR3 (PCIe, board design/fpga), Digital Signal ProcessingHi! ✋ I'm HaiYan Zhu. I am an Electrical and Embedded Systems Engineer with over 6 years of hands-on experience in mixed-signal embedded design, covering the full product lifecycle from concept to mass production. I work across a wide range of platforms—from small 8-bit PIC microcontrollers to high-performance ARM...Hi! ✋ I'm HaiYan Zhu. I am an Electrical and Embedded Systems Engineer with over 6 years of hands-on experience in mixed-signal embedded design, covering the full product lifecycle from concept to mass production. I work across a wide range of platforms—from small 8-bit PIC microcontrollers to high-performance ARM Cortex-A MPUs and FPGAs—and can transform ideas into fully functional hardware by delivering schematics, PCB layouts(more 22 layers), firmware, prototype boards, and detailed, production-ready BOMs. I enjoy complex and challenging projects and take pride in solving hard technical problems. Whether the task is small or large, I approach every project with the same level of responsibility, creativity, and engineering discipline. ✋ Core Skills ☑️ Analog & Digital Circuit Design ☑️ Mixed-Signal Embedded Hardware Design ☑️ PCB Design (Altium Designer, EasyEDA, KiCAD) ☑️ Embedded Firmware Development ☑️ Embedded Linux, TI-BIOS, RTOS ☑️ Microcontroller Programming ☑️ Prototype Development & Mass Production Support ☑️ PCB Manufacturing & Assembly Support ☑️ Detailed BOM, Fabrication & Test Documentation ☑️ PLC, SCADA, Automation ⚡ Technical Experience ☑️ Wireless: BLE, Wi-Fi, Lora ☑️ MCUs: STM32, ESP32, nRF52, PIC, ATMEGA, Arduino ☑️ ARM MPUs: AM335x, AM572x ☑️ FPGA: Xilinx Spartan-3E, Spartan-6, Artix 7, Husky ☑️ DSP: TI TMS320C6678, TMS320F28335 Thank you for visiting my profile. less
Hire kj730
