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Các Freelancer được bảo trợ
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Hi, I'm Johnnie Reece, a Preferred Freelancer and senior full-stack, mobile & emerging tech expert with 10+ years delivering enterprise-grade, high-performance solutions for startups and Fortune 500 companies. 🚀 Core expertise and current tech stack: → Frontend & Web 🌐: React 18+, Next.js 14/15 (App Router, Server...Hi, I'm Johnnie Reece, a Preferred Freelancer and senior full-stack, mobile & emerging tech expert with 10+ years delivering enterprise-grade, high-performance solutions for startups and Fortune 500 companies. 🚀 Core expertise and current tech stack: → Frontend & Web 🌐: React 18+, Next.js 14/15 (App Router, Server Actions), Angular 17/18+, TypeScript, Tailwind CSS, Redux Toolkit, React Query, Zustand, shadcn/ui → Mobile 📱: React Native, Flutter, Expo, Firebase — cross-platform iOS/Android apps with native feel → Backend & APIs ⚙️: C# .NET 8/9, ASP.NET Core, EF Core, SignalR, gRPC; Python (FastAPI, Django, Flask) → CMS & E-commerce 🛒: WordPress, WooCommerce, Elementor — custom themes/plugins, secure & optimized sites → Blockchain & Web3 ⛓️: Solidity, Ethereum, Smart Contracts, Web3.js, Ethers.js, Hardhat — dApps, NFTs, DeFi → Automation 🤖: Python (Selenium, Scrapy), RPA, Zapier/n8n, custom bots & AI tools → Cloud & DevOps ☁️: AWS (Lambda, ECS/Fargate, RDS, S3, Cognito, CDK), Docker, Terraform, GitHub Actions, CI/CD What I deliver – every project: ✅ Pixel-perfect, responsive web & mobile apps (98–100 Lighthouse scores) ✅ Native-feeling cross-platform mobile solutions (React Native + Flutter) ✅ Secure, scalable backends (.NET/Python) with real-time, OAuth2, PCI compliance ✅ High-performance WordPress/WooCommerce sites & custom plugins ✅ Blockchain dApps, smart contracts & Web3 integrations ✅ Automation bots, scraping, workflows & cost-saving optimizations ✅ Full-cycle development: analysis → architecture → MVP → deployment → support ✅ Smooth legacy migrations to modern stacks (React/Next + mobile + .NET/Python + AWS) ✅ Auto-scaling, cost-optimized infrastructure with 99.99%+ uptime My approach: I act as your technical partner — daily updates with live demos, direct access (no middlemen), proactive advice on architecture, performance, security & costs. Code is clean, documented, and built for long-term maintainability & easy handoff. Clients return because I deliver faster, cleaner, more reliably — with zero surprises and maximum value. Ready to launch your project with a verified Preferred Freelancer skilled in web, mobile, WordPress, blockchain, automation & cloud? Message me now! I reply fast and can start immediately. Let's create something exceptional! 💼 ít hơn
Thuê johnnier3
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With over 10 years of experience in the IT industry, I am confident in my ability to make your project a resounding success. Holding a B.S. degree in computer science and numerous successful projects under my belt, I am well-equipped to meet your needs. Services I Offer: ⭐️ Web Development ⭐️ Mobile Development ⭐️...With over 10 years of experience in the IT industry, I am confident in my ability to make your project a resounding success. Holding a B.S. degree in computer science and numerous successful projects under my belt, I am well-equipped to meet your needs. Services I Offer: ⭐️ Web Development ⭐️ Mobile Development ⭐️ Blockchain Development ⭐️ AI/ML Development ⭐️ Embedded Software Development Why Choose Me for Your Project: ✔ Expertise and Experience: My comprehensive knowledge allows me to consistently deliver outstanding results. ✔ Uncompromising Quality: Dedicated to customer satisfaction, I strive for excellence in every project I undertake. ✔ Timely Delivery: Committed to meeting deadlines, I ensure that your plans can proceed uninterrupted. ✔ Effective Communication: Attentive to your goals and requirements, I provide regular progress updates. ✔ Flexible and Adaptable: Open to suggestions and keen on incorporating changes, I am dedicated to achieving your desired outcomes. ✔ Competitive Pricing: Offering competitive rates for my services, I never compromise on the quality of work delivered. Are you ready to embark on this journey with me? Contact me now for further discussion. Thank you ít hơn
Thuê pauldinhdev
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Professional Software Developer with over 7 years of experience in software development and maintenance, seeking challenging projects that match my expertise. Primary Expertise: • Development of Windows Desktop and Web solutions (primarily using C, C++, C#, ASP.NET) • Code migration and translation between...Professional Software Developer with over 7 years of experience in software development and maintenance, seeking challenging projects that match my expertise. Primary Expertise: • Development of Windows Desktop and Web solutions (primarily using C, C++, C#, ASP.NET) • Code migration and translation between programming languages • Creation of wrapper libraries for third-party SDKs and packages to enable cross-language compatibility • Integration of HTTP-based APIs (including RESTful services) • Web scraping implementation, with and without Selenium automation Additional Expertise: • Development of Linux and cross-platform solutions • Creation of automation tools for Excel data processing Technical Highlights: - Extensive experience in systems integration and API development - Strong background in cross-platform compatibility - Expert in legacy code modernization - Proficient in automated data extraction and processing ít hơn
Thuê andriik18
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Versatile Professional with expertise in Front End / Back End development, Mobile App development. Well versed in latest and greatest technologies including React, React Native, JavaScript, Material UI, Node, ASP.Net Core, Laravel, Django, Flutter, WordPress, Shopify, SpringBoot, etc. I collaborate with my clients on...Versatile Professional with expertise in Front End / Back End development, Mobile App development. Well versed in latest and greatest technologies including React, React Native, JavaScript, Material UI, Node, ASP.Net Core, Laravel, Django, Flutter, WordPress, Shopify, SpringBoot, etc. I collaborate with my clients on regular basis and provide them solutions to address their business needs and pain points. Please feel free to reach out to make your idea stand out. ít hơn
Thuê ravd82
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✨ Welcome to Our Profile!✨ AIS Technolabs is a leading developer of: ❖ Mobile Applications (Native & Hybrid) ❖ Multi-player Games (Unity 3D, Unreal Engine 5) ❖ Responsive Websites (Open Source, HTML, CSS, JavaScript) ❖ Advanced Solutions in IoT, VR, and AR ✅ Since 2010, we've successfully completed 3200+...✨ Welcome to Our Profile!✨ AIS Technolabs is a leading developer of: ❖ Mobile Applications (Native & Hybrid) ❖ Multi-player Games (Unity 3D, Unreal Engine 5) ❖ Responsive Websites (Open Source, HTML, CSS, JavaScript) ❖ Advanced Solutions in IoT, VR, and AR ✅ Since 2010, we've successfully completed 3200+ projects and built an impressive portfolio that continues to grow. Specialties ✨ We excel in a diverse range of technical expertise—from a simple HTML page to robust Enterprise Solutions. ✅ Website Development: - Front-End: HTML, CSS, JavaScript, Angular.js, React.js, jQuery, SASS - Back-End: PHP, C++, Java, Python, Node.js, Express.js, Django, Ruby on Rails, Laravel, Spring ✅ Mobile App Development: - iOS/Android Apps (Java, Swift) - Cross-Platform Apps (React Native, Ionic App) ✅ Game Development: - Unity3D, Unreal Engine 5 ✅ IoT, Virtual Reality (VR), and Augmented Reality (AR): - Cutting-edge solutions tailored for innovative and immersive experiences ✅ Blockchain & Cryptocurrency Solutions: - Custom Cryptocurrency Development - Cryptocurrency Wallets - Exchange Applications ✅ Worked With Blockchain Leaders: - Tron, Binance Chain, and Ether Chains Successful Projects Completed ★ Games: - RPG, FPS, Casino, Slot Machine, Crash Game, Jackpot, Roulette, Poker, Coinflip, NFT, Sports Betting, Ludo, Card Game, Action, Adventure, Arcade, Shooting, Bingo, Dice, Lottery, Cricket, Racing, Soccer ★ Apps: - Flight Booking, Hotel Booking, Social Media, Dating, Taxi, Live Streaming, IPTV, Money Transfer, Food Delivery, Courier, Chat, Auction, Trading, Booking, Fintech, Finance, Productivity, etc. ★ Software: - ERP, CRM, Project Management, HR Management, Fleet Management, Employee Management, Vendor Management, Inventory Management, Task Management, Staff Management ★ Websites: - Dating, Social Media, Real Estate, eCommerce, Construction, Bakery, Informative, Blog, Business, Corporate ✱ Why Choose Us? We aim to build long-term relationships with our clients. Your satisfaction is our mission! We are just a click away to assist you! ít hơn
Thuê aistechnolabs
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SiliconNexus is a technology solutions provider dedicated to helping businesses succeed in a rapidly changing world. We specialize in the development of sustainable, end-to-end solutions that are tailored to meet the specific needs of our clients. Our team of experienced professionals is committed to providing the...SiliconNexus is a technology solutions provider dedicated to helping businesses succeed in a rapidly changing world. We specialize in the development of sustainable, end-to-end solutions that are tailored to meet the specific needs of our clients. Our team of experienced professionals is committed to providing the highest quality solutions that are secure, scalable, and cost-effective. We stay at the forefront of technology and leverage the latest innovations to create solutions that are reliable and easy to use. ⭐ Services We Offer ✔ Web 2.0 ☑️ UX/UI research & design ☑️ Frontend development: React.js, Vue.js, Typescript ☑️ Backend development: Python (Django), Node.js, ☑️ Mobile app development: Flutter, React Native ✔ Web3.0 & Blockchain Solutions ☑️ Chains - Ethereum, EOS, Solana, Binance, Polygon ☑️ Smart contracts = ERC20, ERC721, ERC721A, ERC1155 ☑️ DeX's - Pancake Swap, Uniswap, Sushi Swap ☑️ DAO - From smart contract development to DAO governance ☑️ dApps - NFT minting buy, sell OR digital assess buy / sell OR Identity management etc. ☑️ Hyper-ledgers - Substrate [custom chain development] ✔ Embedded Systems Development ☑️ Hardware Design - PCB , High Speed, antennas & FPGA's ☑️ Drivers Development - I2C, CAN, USART, PCIe, AXI, DMA, Interrupt Controllers ☑️ Embedded Linux - Yocto , BitBake, ☑️ IOT application development - BLE, LTE 4G, 5G, LoraWAN, Zigbee, WiFi & Wifi6 ☑️ Cloud Integrations - GoogleCloud, Azure, AWS ☑️ Hardware Design & Verification Services - RISCV SoC design & verification ⭐ Our commitment ✅ 100% work quality ✅ Project demonstration & documentation ✅ Active support against any issue (even after deployment) ✅ 15 hours free-of-cost maintenance & support ✅ Free Discovery sessions & project consultation At SiliconNexus, we believe in building long-term partnerships with our clients. Our commitment to customer service and excellence ensures that we exceed our clients’ expectations. We are passionate about helping our clients stay ahead of the competition by providing them with the best technology solutions available. Silicon Nexus Business Development & Consultant Book a Free Consultation Call ít hơn
Thuê aqibnasim
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We turn powerful AI concepts into scalable tools that drive business outcomes. If you’ve identified an AI idea that could reduce operational costs by 30% or increase user engagement, we’re your go-to team for transforming that concept into a fully functional proof-of-concept or production-grade application. We...We turn powerful AI concepts into scalable tools that drive business outcomes. If you’ve identified an AI idea that could reduce operational costs by 30% or increase user engagement, we’re your go-to team for transforming that concept into a fully functional proof-of-concept or production-grade application. We specialize in building custom AI tools using a broad ecosystem of technologies including LangChain, ChatGPT, OpenAI API, Codex, GPT-J, Claude, Llama 2, GPT-4, GPT-3.5, GPT-4o, Mistral 7B, DALL·E, GPT-Neo, Gemini, Whisper AI, Llama 3, RAG, LangGraph, Lovable, Replit, and more. Our work spans hundreds of AI solutions and chatbot systems tailored for different industries and business goals. Renesis Tech has been recognized among the Top 3% Conversational AI Experts on Upwork and was awarded Top IT Services Provider in 2023 by Clutch. These accolades reflect the depth of our experience and the tangible results we deliver. We bring strategic AI implementation expertise across several focus areas: – Business-focused deployment of AI applications – Generative AI and LLM-based solutions, RAG systems, model fine-tuning – Problem-solving for challenges in AI deployment – AI agent development and web-based AI applications – Chatbots for customer service, internal tools, and niche workflows We work best with: – Startups seeking a long-term AI development partner – Mid-sized businesses ready to automate processes with clear ROI – Marketing and digital agencies looking for reliable white-label AI execution Our technical services extend beyond AI: – AI & Chatbot Development with NLP and advanced LLM integration – Web Development using Python (Django, FastAPI), JavaScript (React, Node.js), and robust databases – API Development & Integration to connect systems seamlessly – Computer Vision & ML using TensorFlow, OpenCV, and deep learning for image/data intelligence Renesis Tech ranks in the Top 10 Blockchain consultancies and Top 15 AI consultancies worldwide, with global offices in Dubai, Pakistan, Canada, Korea, and Japan. Our team of 100+ expert engineers brings cross-functional excellence across AI, blockchain, mobile/web apps, gaming, AR/VR, and digital growth. We pride ourselves on our client-first approach—with an average response time of under 30 minutes, around the clock. You get a dedicated team ready to design, build, and deliver while you focus on growing your business. Our full-spectrum services include: – UI/UX Design – AI/ML Development – Prompt Engineering – Environment-Conscious AI Solutions – Blockchain Engineering – Web and Mobile App Development – Game Development (Unity 3D, Unreal Engine) – AR/VR and Metaverse Projects – Manual and Automated QA Testing – DevOps and MLOps – Growth Hacking and Marketing Partner with Renesis Tech, and let us bring your AI vision to life—fast, focused, and functional. ít hơn
Thuê akkastech
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Hello welcome to my profile, I am a guru in research writing, technical writing, business analysis, web scraping, and SEO content writing. I have been doing this for more than you can imagine. I am a BSc degree holder in computer science and a diploma in project management and CCNA certification. I also hold a...Hello welcome to my profile, I am a guru in research writing, technical writing, business analysis, web scraping, and SEO content writing. I have been doing this for more than you can imagine. I am a BSc degree holder in computer science and a diploma in project management and CCNA certification. I also hold a Bachelor's degree in commerce. I have more than 5 years of experience in providing research writing, technical writing, WordPress, SEO article writing, and content writing. Below are some of the services that I offer, Article and Book Reviews Finance, Accounting, Statistic and Economics Writing. Case study analysis Proposal writing software requirements specification (SRS) and system design specification (SDS) Project management (WBS, scheduling, Gantt charts, charter, scope, project cost estimation) Computer network && Cyber security Database management && design(ERD design, Normalization, database schema ) Computer programming(Python, Java and Php ) Software Engineering (UML diagrams: Use Case, Class diagram, flowcharts, Sequence diagram) Digital forensic Etc. I believe in creating excellent services to my clients by understanding the instructions, thus providing well-versed results. As a researcher, I remain committed to delivering quality work, free from plagiarism, with proper grammar and intensive research. My key purpose in the freelance industry is to relentlessly and passionately deliver high-quality work. My core values are always Commitment, reliability, time- conscious honesty I am always open to invitations from clients who have confidence in my skill set and share the same interest in perfection and good working relations. Please click "Hire me" in my profile "https://www.freelancer.com/u/kaindo2017" and I will never disappoint you, thank you. ít hơn
Thuê kaindo2017
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I’m a web and mobile developer focused on building clean, reliable apps that are easy to use and easy to maintain. I help startups and businesses turn ideas into responsive web and mobile products, with an emphasis on performance, UI/UX, and clear communication throughout the project. I care about writing...I’m a web and mobile developer focused on building clean, reliable apps that are easy to use and easy to maintain. I help startups and businesses turn ideas into responsive web and mobile products, with an emphasis on performance, UI/UX, and clear communication throughout the project. I care about writing thoughtful, production-ready code, asking the right questions early, and delivering work that’s stable, scalable, and aligned with real user needs. ít hơn
Thuê iangcastillo37
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https://github.com/fipil I engineer intelligent software ecosystems that transform complex data into actionable business value. With expertise spanning from low-level system programming to modern web architecture, I build solutions that are not just functional—but foundational to your operational success. 🏗️...https://github.com/fipil I engineer intelligent software ecosystems that transform complex data into actionable business value. With expertise spanning from low-level system programming to modern web architecture, I build solutions that are not just functional—but foundational to your operational success. 🏗️ Enterprise-Grade Software Architecture I design and implement scalable, maintainable software systems using industry-proven patterns and clean code principles. My architectural approach ensures your infrastructure remains robust, secure, and adaptable—whether building microservices, monolithic applications, or hybrid solutions that grow with your business needs. ⚙️ Full-Stack Development & API Engineering I craft high-performance backend systems using PHP, Python, C#, C++, and Qt, delivering everything from enterprise web applications to cross-platform desktop software. My API development expertise includes designing RESTful interfaces, GraphQL endpoints, and seamless third-party integrations that serve as the connective tissue between your systems and the digital ecosystem. 📊 Data Intelligence & Automation I specialize in transforming raw data into strategic assets through: Custom data visualization dashboards that make complex information intuitive Web scraping systems that extract and structure valuable market intelligence Process automation that streamlines operations and eliminates manual workloads 🔌 System-Level Programming & Performance With deep expertise in C/C++ and Qt framework, I develop high-performance applications where efficiency is critical—from real-time data processing tools to hardware-interfacing systems that demand optimal resource utilization. 🚀 End-to-End Project Leadership I guide your vision from concept to deployment, providing technical leadership and architectural oversight throughout the entire development lifecycle. My methodology ensures your project delivers maximum value while maintaining long-term viability and performance. I'm passionate about building software that solves real business problems and creates sustainable competitive advantages. Let's connect to discuss how we can engineer solutions that drive your organization forward. ít hơn
Thuê fipil01
