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高级威客
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雇用 nicolasalexandro
nicolasalexandro nicolasalexandro
$35 美元/小时
App Development, E-commerce & Business AutomationSouth AfricaI help founders, teams, and businesses build the digital infrastructure they actually need — whether that's a custom web app, a high-converting online store, an AI-powered assistant, or the automated workflows that tie it all together. If you need it built, I take it from idea to production-ready without unnecessary...I help founders, teams, and businesses build the digital infrastructure they actually need — whether that's a custom web app, a high-converting online store, an AI-powered assistant, or the automated workflows that tie it all together. If you need it built, I take it from idea to production-ready without unnecessary complexity or hand-holding. My work spans full-stack development, e-commerce, AI integration, and automation — so instead of coordinating multiple freelancers, you get one technical partner who sees the full picture and executes across it. I focus on reliability, clear communication, and long-term maintainability — not quick hacks. Clients work with me when they want someone who understands both the business problem and the technical execution. What I Can Build Custom applications & SaaS systems Business applications, internal platforms, and SaaS MVPs built for scale (React, Next.js, Node.js, PostgreSQL, Firebase, REST & GraphQL APIs) E-commerce stores & online shops Shopify, WooCommerce, and Wix Stores — product pages, custom themes, payment integrations, and conversion-optimised storefronts built to sell AI development & intelligent features ChatGPT / GPT-4 integration, AI chatbots, generative AI, NLP, machine learning, deep learning, computer vision, and AI automation — from smart assistants to fully automated decision flows Automation & system integrations API workflows, third-party integrations, payments, CRMs, and process automation CMS & website development WordPress, Wix, blogs, company websites, and landing pages — clean, fast, and easy to manage Mobile apps for iOS & Android Flutter and React Native apps connected to secure backends Game development Unity 2D and 3D projects — from concept to playable build Long-term maintenance & feature upgrades Bug fixes, refactors, performance optimisation, and production support 收起 -
雇用 zameerfaiz
As a seasoned software developer with a strong background in delivering custom tailored software solutions with a focus on Health Care IT solutions, I bring a decade of experience and expertise to the table. With a career spanning Java, JavaFx, and .NET technologies, I have successfully delivered a diverse range of...As a seasoned software developer with a strong background in delivering custom tailored software solutions with a focus on Health Care IT solutions, I bring a decade of experience and expertise to the table. With a career spanning Java, JavaFx, and .NET technologies, I have successfully delivered a diverse range of web and desktop applications. Key Highlights: Versatility: Proficient in a wide array of technologies, including Java, C#, React, Angular, and IoT development using Raspberry Pi and Arduino. Client-Centric Approach: I'm dedicated to delivering not only high-quality work but also ensuring complete client satisfaction. Going the extra mile is a standard practice for me. I optimize for predictable delivery: clear milestones, weekly demos, and production-ready code. Why Me? Proven Track Record: 4.9/5 star rating and delivered 43 successful projects Reliability: I take pride in consistently meeting deadlines and adhering to project budgets. Exceptional Expertise: Clients trust my in-depth knowledge, quality of work, professionalism, and strong communication skills. Let's Collaborate: I look forward to the opportunity to work with you, leveraging my skills and dedication to bring your project to fruition. 收起 -
雇用 vano101
Professional software developer with over 25 years of overall experience in software development and maintenance looking for challenge projects fit my skills. Main specialization: • developing Windows Desktop and Web solutions (mainly using C, C++, C#, ASP.NET) • converting/translating/porting code from one...Professional software developer with over 25 years of overall experience in software development and maintenance looking for challenge projects fit my skills. Main specialization: • developing Windows Desktop and Web solutions (mainly using C, C++, C#, ASP.NET) • converting/translating/porting code from one programming language to another programming language. • writing wrappers around miscellaneous libraries, packages and SDKs, mainly for using it with other programming languages. • consuming HTTP based APIs, (RESTful APIs, etc) • scraping data from web sites, both with and without Selenium Secondary specialization: • developing Linux and cross-platform solutions and utilities. • scripts/utilities to process Excel spreadsheets • Microsoft Office Automation 收起 -
雇用 AwaisChaudhry
ZAWN Tech is a trusted software company founded in 2014, delivering complete digital solutions for startups and enterprises worldwide. Our certified developers combine deep technical knowledge with real-world project experience to build fast, secure, and scalable systems. Core Expertise Blockchain: Metaverse, Web3,...ZAWN Tech is a trusted software company founded in 2014, delivering complete digital solutions for startups and enterprises worldwide. Our certified developers combine deep technical knowledge with real-world project experience to build fast, secure, and scalable systems. Core Expertise Blockchain: Metaverse, Web3, NFTs, NFT Games, Smart Contracts, Arbitrage & Sniper Bots, DEX / DApp Development (Ethereum, BSC, Polygon, Solana, WAX). Web & SaaS Development: Full-stack using React, Node.js, Laravel, Django, and Next.js. Integration with Odoo, Bubble.io, Zoho, and Webflow. eCommerce: Shopify, WooCommerce, Magento, and custom marketplace platforms with payment, shipping, and ERP integrations. Mobile Apps: Native and cross-platform (Flutter, React Native, Android, iOS). AI & Computer Vision: Machine Learning, Chatbots, GPT integrations, TensorFlow, OpenCV, and OCR systems. Game Development: Unity 3D, Unreal, and WebGL with multiplayer, blockchain, and AR/VR support. Trading & Financial Automation: MT4/5, TradingView, Binance, Interactive Brokers, and algorithmic trading bots. Hardware & IOT: Electronics, Microcontroller, PLC & SCADA, Electrical Engineering, Embedded Systems, Automation, Arduino, Raspberry Pi, ESP32, MATLAB, embedded control, and automation projects. With 200+ recommendations and over a decade of experience, we turn complex ideas into reliable, production-ready solutions — delivered with clear communication and long-term support. 收起 -
雇用 vanhuy19892011
✅ Top-Rated Full Stack Developer with 12+ Years of Experience Are you looking for a highly skilled and reliable developer who can TURN YOUR IDEAS INTO SCALABLE, HIGH-PERFORMING SOFTWARE? Look no further. With over a decade of hands-on experience, I bring deep expertise in END-TO-END SOFTWARE DEVELOPMENT across WEB,...✅ Top-Rated Full Stack Developer with 12+ Years of Experience Are you looking for a highly skilled and reliable developer who can TURN YOUR IDEAS INTO SCALABLE, HIGH-PERFORMING SOFTWARE? Look no further. With over a decade of hands-on experience, I bring deep expertise in END-TO-END SOFTWARE DEVELOPMENT across WEB, MOBILE, DESKTOP, AND CLOUD PLATFORMS. ✨ Technical Stack & Expertise: ✔️Languages: HTML,CSS, JavaScript/TypeScript, Python, PHP, Java, SQL, C# and more ✔️Front-End: React, Angular, Vue.js, HTML5, CSS3, Bootstrap, Tailwind ✔️Back-End: ASP.NET Core, Node.js, Express, Flask, Django, CodeIgniter, Laravel, Symfony, RESTful APIs ✔️Mobile App Development: Flutter, React Native, Xamarin, Android, Kotlin ✔️Desktop Applications: WPF, WinForms, Electron ✔️Databases: SQL Server, MySQL, PostgreSQL, MongoDB, Firebase ✔️Cloud & DevOps: Azure, AWS, Docker, CI/CD, Git, GitHub Actions ✔️CMS & E-Commerce: WordPress, Shopify, WooCommerce, Magento, Framer, Bubble.io, Webflow, Wix, Drupal ❤️ Why Work With Me? ✔️ Proven track record of delivering 100+ successful projects ✔️ Full-cycle development: from architecture to deployment and support ✔️ Excellent communication, transparency, and on-time delivery ✔️ Clean, maintainable code and scalable solutions ✔️ Flexible and adaptable to any business domain or tech stack Let’s discuss your project and bring your vision to life. AVAILABLE NOW | LET'S GET STARTED! 收起 -
雇用 mgajjarjava
Thank you for taking the time to review my profile. With over a decade of experience in web application development, I have specialized in various domains including hospital management, logistics, and communication gateways such as email and web space. Additionally, I have successfully managed teams of up to 10...Thank you for taking the time to review my profile. With over a decade of experience in web application development, I have specialized in various domains including hospital management, logistics, and communication gateways such as email and web space. Additionally, I have successfully managed teams of up to 10 individuals. My expertise spans across a range of frameworks including Spring MVC, Spring Boot, Wavemaker 6.7, Jersey Rest Web Services, Spring Security, JPA, Servlet, Hibernate, and Spring Microservices. Furthermore, I am proficient in a variety of web technologies such as JSP, JSTL, HTML, JavaScript, Ajax, Bootstrap theme configuration, jQuery, Team Leaf Spring, and Tiles configuration within Spring frameworks. In terms of databases, I am well-versed in MySQL, SQL-2008, PostgreSQL, Oracle, and MongoDB, with extensive experience in database connectivity using Hibernate, JPA, JDBC, and Spring Data JPA. My proficiency extends to version control tools such as Git, SVN, and Gitlab, as well as build tools including Maven and Gradle. Moreover, I have utilized project management tools such as Jira, Asana, and Trello to effectively organize and oversee projects. Once again, I appreciate the opportunity to collaborate with you and look forward to the possibility of working together. 收起 -
雇用 huonghy89
I am an experienced AI/ML Engineer and Trading Bot Developer specializing in building intelligent, automated trading systems , computer vision and statistical analysis. I help traders, startups, and businesses automate strategies, improve decision-making using machine learning, and build scalable financial...I am an experienced AI/ML Engineer and Trading Bot Developer specializing in building intelligent, automated trading systems , computer vision and statistical analysis. I help traders, startups, and businesses automate strategies, improve decision-making using machine learning, and build scalable financial systems. AI/ML Services: -Object detection, segmentation, tracking -OCR/document extraction -Price prediction, sentiment analysis -Automated pipelines (batch processing, folder watchers, reporting, scheduled jobs) -Deployable AI (API/services + clean code + documentation) Trading Bot / Quant Services: -Fully automated trading systems(MT4, MT5, NT8, and TradingView) -Strategy design (rule-based + ML hybrid) -Backtesting framework, walk-forward validation -Risk management (position sizing, max drawdown rules, stop logic) -Performance reports (PnL, Sharpe, win-rate, exposure, drawdowns) -Paper trading + live monitoring dashboards R program, SPSS ,Stata, statistical analysis : -descriptive statistics, inferential statistics, predict model, data analysis, Bayesian model, -averaging meta analysis, Multivariate analysis, non-parametric regression analysis, index creation, -Financial markets, APIs, time series forecasting, feature engineering, Machine Learning Web Application Development -FastAPI / Node.js APIs with clean structure (routers, services, schemas) -Async tasks for long jobs (workers/queues, cron/schedulers) -Secure integrations with third-party APIs (brokers/exchanges/RPCs) -React / Next.js responsive UI 收起 -
雇用 muskaannadaf
Hi, I'm Asma — a Senior Graphic Designer and Full-Stack Web Developer with over 10 years of hands-on experience delivering world-class digital solutions for clients and agencies across the globe. My work sits at the intersection of art and technology — where visually stunning aesthetics meet clean, high-performance...Hi, I'm Asma — a Senior Graphic Designer and Full-Stack Web Developer with over 10 years of hands-on experience delivering world-class digital solutions for clients and agencies across the globe. My work sits at the intersection of art and technology — where visually stunning aesthetics meet clean, high-performance code. A creative problem-solver at heart, I specialize in crafting luxurious brand identities and captivating visual experiences for clients in lifestyle, property, fashion, hospitality, and the luxury sector. Whether it's a pixel-perfect UI, a bespoke logo, or a high-converting e-commerce platform — I bring precision, passion, and artistry to every project. Beyond design, I am an experienced Python developer and data scraping specialist, capable of building intelligent automation tools, custom web scrapers, and data-driven web applications that give your business a real competitive edge. From concept to code, from brand strategy to live deployment — I handle everything under one roof. What I offer: ✦ Website Design & Development (WordPress, HTML, CSS, JavaScript, PHP, Laravel, Shopify, Squarespace) ✦ Figma / PSD to WordPress, HTML, Laravel ✦ Website Speed Optimization (95–99 Score) & SEO ✦ UX/UI Design & Figma Prototyping ✦ Python Development, Data Scraping & Automation ✦ Social Media Marketing & Google Ads ✦ Logo Design, 3D Logo & Brand Identity ✦ Jewelry Design ✦ Graphic Design (Photoshop & Illustrator) ✦ Business Card, Stationery & Letterhead Design ✦ Banner, Book Cover & CD Cover Design ✦ PowerPoint Presentation Design I pride myself on 24/7 availability, faster turnaround times, and a client-first communication approach that has earned me long-term partnerships across continents. Your vision is my mission — and I won't stop until it exceeds every expectation. 📩 Let's build something extraordinary together 收起 -
雇用 cliftonc20
I help businesses automate workflows and save time using AI. I build custom GPT-powered chatbots, document processing tools, and automation systems that reduce manual work and improve efficiency. Whether you need a chatbot for your website, AI-powered data processing, or workflow automation, I can deliver a reliable...I help businesses automate workflows and save time using AI. I build custom GPT-powered chatbots, document processing tools, and automation systems that reduce manual work and improve efficiency. Whether you need a chatbot for your website, AI-powered data processing, or workflow automation, I can deliver a reliable solution quickly. What I can build for you: • AI chatbots (customer support, FAQ, internal tools) • Document Q&A systems (PDF, CSV, knowledge base) • GPT-powered automation workflows (Zapier / Make) • Custom backend APIs using Python and FastAPI Tech stack: Python • OpenAI (GPT-4/5) • FastAPI • Zapier / Make • REST APIs • PostgreSQL Why work with me: • Fast delivery and clear communication • Focus on business results, not just code • Clean, scalable, and production-ready solutions Let’s build something that saves you time and grows your business. 收起 -
雇用 taraskkorol
I build modern web applications and AI-powered SaaS products from idea to production. My focus is creating reliable, scalable systems that are easy to maintain and ready for real users. I work across frontend, backend, APIs, and AI integrations, helping startups and businesses turn concepts into working products...I build modern web applications and AI-powered SaaS products from idea to production. My focus is creating reliable, scalable systems that are easy to maintain and ready for real users. I work across frontend, backend, APIs, and AI integrations, helping startups and businesses turn concepts into working products quickly and cleanly. What I can help with: • Full-stack web development • AI features and automation • SaaS architecture and MVP builds • API integrations and performance optimization - Mobile App development with AI Integration I value clear communication, realistic timelines, and delivering solutions that actually solve business problems. 收起
