Bitcoin Experts For Hire
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Sponsored Freelancers
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I provide complete IT services tailored to modern business needs, with a strong focus on Blockchain development, Artificial Intelligence, Machine Learning, Big Data, Web and Mobile app development, E-commerce platforms, and custom software solutions. I specialize in blockchain technologies including DEXs, DApps,...I provide complete IT services tailored to modern business needs, with a strong focus on Blockchain development, Artificial Intelligence, Machine Learning, Big Data, Web and Mobile app development, E-commerce platforms, and custom software solutions. I specialize in blockchain technologies including DEXs, DApps, NFTs, Web3, smart contracts, and DeFi applications across platforms like Ethereum, BSC, and Polygon. For web and mobile development, I work with Java, Python, PHP, and top JavaScript frameworks such as React.js, Node.js, Angular, and Vue.js—alongside mobile technologies like Flutter and React Native. My e-commerce solutions are built on platforms like WooCommerce, Shopify, and Magento, while my AI and machine learning services leverage tools such as TensorFlow and AWS to create intelligent, data-driven systems. If you're looking for secure blockchain integration, modern web and mobile development, scalable e-commerce systems, or custom AI-driven software, I’m here to help turn your ideas into powerful digital products. less
Hire ma557
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At PTI WebTech, we specialize in building full-stack digital solutions, including web development, ecommerce, mobile app development, digital marketing, and now AI-powered automation & integrations. Our goal is to help businesses scale faster, operate smarter, and deliver exceptional digital experiences. Our core...At PTI WebTech, we specialize in building full-stack digital solutions, including web development, ecommerce, mobile app development, digital marketing, and now AI-powered automation & integrations. Our goal is to help businesses scale faster, operate smarter, and deliver exceptional digital experiences. Our core mission is to automate business operations, workflows, and decision-making using cutting-edge technologies. We help you leverage AI to achieve real business impact — whether you’re a startup developing an MVP or an enterprise optimizing existing systems. With deep technical expertise and a product-first approach, we build solutions that drive growth and efficiency. What We Build: ✅Web & Ecommerce Solutions – Custom websites, CMS solutions (WordPress, Drupal), high-converting ecommerce stores (Shopify, Magento, OpenCart, Bigcommerce), APIs & integrations ✅ Mobile App Development – Cross-platform apps (React Native, Flutter) focused on performance, UX, and scalability ✅ Digital Marketing Services – Data-driven SEO, SMO, and Performance Marketing to boost traffic, engagement, and conversions ✅ AI Automation Systems – Workflow automation, CRM/ERP automation, predictive analytics dashboards, task automation, process optimization ✅AI Assistants & Integrations – Intelligent virtual assistants, chatbot automation, LLM-powered agents for support, scheduling, knowledge retrieval (OpenAI, LangChain, Whisper, Deepgram) ✅ Custom Software & MVPs – Full-stack development of SaaS platforms, web & mobile apps with AI-first capabilities Who We Work With: ✅ Startups building AI-driven or digital-first products ✅ Ecommerce businesses seeking automation, performance, and scalability ✅ Agencies looking to automate operations, lead generation, or client delivery ✅ SMBs & Enterprises integrating AI automation into core workflows ✅ Founders & Product Teams needing full-stack development with AI expertise Why Clients Trust Us: 👉 Full-stack expertise across Web, Mobile, Ecommerce, Digital Marketing & AI 👉 Proven delivery of tailored solutions aligned with business goals 👉 Transparent communication & collaborative process throughout 👉 Agile delivery – PMP & SCRUM certified teams 👉 99% Job Success rate on Upwork 👉 Strict NDA & IP compliance for complete data security Company Introduction Video https://www.youtube.com/watch?v=wLsfY492Y2E less
Hire ptiweb
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Thanks for stopping by my Profile! I am a well-qualified FullStack Engineer familiar with wide range of programming utilities and languages. Knowledgeable of backend and frontend development requirements. Handles any part of the process with ease. Collaborative team player with excellent technical abilities...Thanks for stopping by my Profile! I am a well-qualified FullStack Engineer familiar with wide range of programming utilities and languages. Knowledgeable of backend and frontend development requirements. Handles any part of the process with ease. Collaborative team player with excellent technical abilities offering 10 years of related experience. - Programming Languages : JavaScript, C#, Java, Python, CSS, HTML5, HTML6, C++, TypeScript - Frontend React, Redux, React Native, Angular, Vue.js, Flutter, Jquery, Ember.js,Shopify - Backend Node.js, Django, Express.js, ASP.NET, Ruby on Rails, Laravel - DevOps & System Amazon Web Service, Azure, Linux System Administration - Database MongoDB, MySQL, MariaDB, PostgreSQL, Oracle, SQL Server, Redis, Firebase - Security Cyber Security, System security - OpenAI Building ChatBot using OpenAI models, Fine Tuning, Training Dataset, Voice Chatting - Cryptocurrency Blockchain,cryptocurrency development and integration As you can see, I am well adept at working with all the relevant platforms, and if you’re interested in getting an idea of how I work and what I create, feel free to reach out via Freelancer! I'm always available through message and am happy to give free consultations and proposals for all new and returning clients! less
Hire mogsten
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I am top 1% freelancers. I have 16 years experience with LAMP and Javascript. I build 98 websites and 12 Mobile app with hybrid languages. I manage all following aspects of web development: ✅ From concept to requirements definition ✅ Design ✅ Development ✅ Launch ✅ Maintenance and user support ✅ Security best...I am top 1% freelancers. I have 16 years experience with LAMP and Javascript. I build 98 websites and 12 Mobile app with hybrid languages. I manage all following aspects of web development: ✅ From concept to requirements definition ✅ Design ✅ Development ✅ Launch ✅ Maintenance and user support ✅ Security best practices followed ✅ Error Free Delivery ✅ Fast and accurate ✅ Will do the changes if needed ✅ 100% satisfaction The scope of my skills includes: ★ Custom PHP, Laravel, Codeigniter, Yii, Zend, Wordpress, Expression Engine. ★ Mobile App in React Native ★ Html, CSS, jQuery, Javascript, Vue js. ★ MySQL, No SQL(MongoDB, Redis) ★ REST API Development, Integrate third party API ★ E-Commerce system ★ Exchange Crypto, e-currencies system ★ Payments gateway integration ★ Much much more I look forward to hearing from you. Bang T less
Hire dinhbang19
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Hello, I’m Sushil — a highly skilled expert in graphic design, blockchain development, web platforms, and mobile apps, proudly serving clients on Freelancer.com since 2005. With over 475 successful projects, a 9.9/10 client satisfaction rating, and a 98% job completion rate, I am committed to delivering top-notch...Hello, I’m Sushil — a highly skilled expert in graphic design, blockchain development, web platforms, and mobile apps, proudly serving clients on Freelancer.com since 2005. With over 475 successful projects, a 9.9/10 client satisfaction rating, and a 98% job completion rate, I am committed to delivering top-notch solutions that drive business growth and innovation. What I Bring to Your Project: - Blockchain Mastery: Specialized in creating custom crypto solutions (ERC-20, Bitcoin Core, Polygon, Solana), smart contracts, DEX platforms, NFT marketplaces, and secure wallets. - Full-Stack Development Expertise: From concept to deployment, I craft high-performance web and mobile apps using modern technologies like React, React Native, Node.js, and Flutter — optimized for speed and scalability. - Eye-Catching Designs: Whether it’s a stunning logo, a visually engaging website, or a 3D character for games, I create designs that not only look great but also establish trust and engagement. Tools I Excel In: Adobe Photoshop, Illustrator, Blender, 3DS Max, Maya, React, Node.js, Solidity, Flutter, Ethereum, Solana, and more. Why Clients Choose Me: 19+ Years of Expertise: A proven track record of delivering high-quality, results-driven solutions across a variety of industries. Clear Communication & On-Time Delivery: I pride myself on clear, concise communication, and reliable, professional service. Creative Problem-Solving: No matter the complexity, I approach every project with creativity and precision, ensuring it’s executed to perfection. Free Consultation: I offer a no-obligation consultation to help you define the best strategy for your project, ensuring we’re aligned from the start. Whether you're launching a new product, building a custom blockchain platform, scaling a brand, or developing the next innovative app — I’m here to turn your vision into reality. Let’s collaborate and create something extraordinary — message me today! less
Hire technosystem
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⚡ Welcome to Votive Technologies Your trusted partner for high-quality Web Development and Mobile App Development solutions. ⚡Who We Are Votive Technologies is driven by a team of technology experts based in India and across the globe. We specialize in Web Development and Mobile App Development, delivering...⚡ Welcome to Votive Technologies Your trusted partner for high-quality Web Development and Mobile App Development solutions. ⚡Who We Are Votive Technologies is driven by a team of technology experts based in India and across the globe. We specialize in Web Development and Mobile App Development, delivering high-quality, scalable, and user-friendly digital solutions tailored to your business needs. Our core team of developers and designers ensures seamless execution of new projects, while our business analysts assist clients in understanding and finalizing their requirements. At Votive, we believe in collaborating closely with clients, making them feel as though they are working with their dedicated virtual team. ⚡Why Choose Us? ✅ Experienced Team – Skilled developers with expertise in modern frameworks & technologies ✅ Client-Centric Approach – We prioritize your vision and deliver solutions that drive results ✅ Quality Assurance – Rigorous testing to ensure bug-free, high-performance applications ✅ Timely Delivery – Efficient project management to meet deadlines without compromising quality ✅ Affordable & Transparent Pricing – Competitive rates with no hidden costs --- ⚡ Our Services ➡️ Custom Website Development – WordPress, React, Next.js, Node.js, PHP, Laravel, Python ➡️ Mobile App Development – iOS & Android apps using React Native & Flutter ➡️ E-commerce Solutions – Shopify, WooCommerce, Custom Stores ➡️ Marketplace Development – Service-based & product-based platforms ➡️ UI/UX Design – User-friendly, intuitive interfaces for better engagement ➡️ API & Payment Gateway Integration – Stripe, PayPal, Razorpay, TWINT, and more ➡️ SaaS & Web Apps – Scalable cloud-based solutions for businesses ➡️ Maintenance & Support – Post-launch updates, bug fixes, and performance optimization ⚡ Industries We Serve ✔️ (Healthcare) | ✔️ (Corporate) | ✔️ (E-commerce) |✔️ (Real Estate) | ✔️ (Education) | ✔️ (Startups) | ✔️ (Travel portals) | ✔️ (Figma designs) ⚡ Let’s Discuss Your Project! We are passionate about bringing your ideas to life. Contact us today and let’s build something amazing together! less
Hire michale21
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✅ Full-Time Freelancer ? 5+ Years of Experience ? 100% Satisfied Clients ⭐ 150+ Projects Completed (on Different Platforms) ? Collected Over 100k Emails I have over 5 years of experience as a Data Entry Specialist, Web Researcher, Web Scraper, MCAT professional, Lead Generator, and Shopify Store Developer. I’m fluent...✅ Full-Time Freelancer ? 5+ Years of Experience ? 100% Satisfied Clients ⭐ 150+ Projects Completed (on Different Platforms) ? Collected Over 100k Emails I have over 5 years of experience as a Data Entry Specialist, Web Researcher, Web Scraper, MCAT professional, Lead Generator, and Shopify Store Developer. I’m fluent in Themes Navigation, PDF conversions, and product uploads across platforms like Shopify, WordPress, WooCommerce, Magento, and GoDaddy. My goal is to exceed 100% of my employers’ expectations! ? My Core Skills ⚡ Research & Grant Research ⚡ MCAT ⚡ Notion Workspace Building ⚡ Virtual Assistance & Admin Support ⚡ Data Entry (high accuracy; MS Excel & Google Sheets; fast typing; attention to detail) ⚡ Online/Offline Data Entry & Data Mining/Cleaning ⚡ Data Scraping & Data Extraction ⚡ Lead Generation & Email Finding (valid & verified lists) ⚡ Contact & Email List Building ⚡ CRM Data Entry & Cleanup (Salesforce, HubSpot, Pipedrive) ⚡ Database Building & Real Estate Research ⚡ Skip Tracing & Email Handling ⚡ CMS Expertise ◉ WordPress, SEO, Framer ◉ Module & Plugin Development / Customizations ⚡ Shopify ◉ Product Uploading ◉ Complete Store Building ◉ Store Customization ⚡ Custom Website Development ◉ HTML5, CSS3, JavaScript, XML, Tailwind CSS ◉ Node.js, React.js, Express.js ◉ MySQL, MongoDB (MERN Stack) I can start immediately and am ready to discuss your project. I pride myself on delivering high-quality work on time and surpassing expectations. Looking forward to adding you to my happy client family! Regards, Faisal Zaman less
Hire faisal702
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Hello, I'm Billy Bryan, a passionate and results-driven Full Stack Web Developer with over a 6 years of experience in building cutting-edge websites and web applications. I specialize in delivering efficient, scalable, and user-friendly digital solutions tailored to your business needs. With a keen eye for detail and...Hello, I'm Billy Bryan, a passionate and results-driven Full Stack Web Developer with over a 6 years of experience in building cutting-edge websites and web applications. I specialize in delivering efficient, scalable, and user-friendly digital solutions tailored to your business needs. With a keen eye for detail and a strong focus on problem-solving, I ensure every project I work on exceeds expectations and drives measurable results. Backend Development ✔️ Python: Flask, Django, RESTful APIs, data processing. ✔️ C#: ASP.NET Core, application development, Azure integrations. ✔️ PHP: Laravel, WordPress, custom CMS solutions. ✔️ SQL & Databases: PostgreSQL, MySQL, Couchbase, TypeORM. Frontend Development ✔️ React.js: Next.js, Remix.js, Astro.js ✔️ JavaScript: Angular, Vue, Vuex, TypeScript, jQuery. ✔️ CSS Frameworks: Bootstrap, Tailwind CSS, SCSS, LESS. ✔️ Responsive Design: HTML5, CSS3, Figma, pixel-perfect, cross-browser compatibility. Tools & Platforms: ✔️ Version Control: Git, GitHub, GitLab, Bitbucket ✔️ Cloud: AWS, Azure, Google Cloud, Couldflare ✔️ DevOps: Docker, CI/CD pipelines, Jenkins. ✔️ Collaboration: Trello, Slack, Jira. What I Offer ✔️ Custom Web Applications: Fully responsive and optimized for performance. ✔️ API Development & Integration: Building and connecting APIs for seamless data exchange. ✔️ Database Design & Optimization: Efficient data models and query performance tuning. ✔️ Migration & Upgrades: Smooth transitions with zero downtime. ✔️ Full-Stack Solutions: From UI/UX design to backend logic and deployment. I'm passionate about turning your ideas into functional, scalable, and visually appealing digital solutions. Whether you need a one-off project or long-term collaboration, I’m here to help. Let's bring your project to life! Let’s discuss your project needs and start building something amazing together. Best regards, Billy Bryan less
Hire billybryan98
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Thank you for visiting my profile. I am an AI Developer with over ten years of professional experience in software engineering. I began my career as a Full Stack Web and Mobile Engineer, working extensively with technologies such as JavaScript, TypeScript, React, C#, Python, and modern backend and cloud platforms,...Thank you for visiting my profile. I am an AI Developer with over ten years of professional experience in software engineering. I began my career as a Full Stack Web and Mobile Engineer, working extensively with technologies such as JavaScript, TypeScript, React, C#, Python, and modern backend and cloud platforms, and I have successfully delivered scalable web and mobile applications across industries including business, education, e-commerce, and enterprise environments. In recent years, my professional focus has shifted fully toward the artificial intelligence field, where I have built strong, hands-on expertise designing and deploying production-ready AI solutions. I specialize in developing AI-powered systems such as intelligent chatbots, AI agents, and virtual assistants using GPT and modern large language models. My experience includes advanced prompt engineering, fine-tuning and training machine learning models, retrieval-augmented generation (RAG), vector databases, embeddings, semantic search, and contextual memory systems. I design and implement end-to-end AI workflows using frameworks such as LangChain, integrating AI capabilities seamlessly into real-world products and business processes. I also develop AI-driven automation systems, including intelligent bots and workflows for platforms such as WhatsApp, Slack, and Telegram, as well as scalable business automation solutions using tools like n8n and Zapier to improve efficiency and customer engagement. My background as a full-stack engineer allows me to build AI solutions that are not only intelligent but also reliable, secure, and scalable. I am highly experienced in deploying AI systems to cloud environments such as AWS, Google Cloud Platform, and Firebase, and in integrating AI services into web and mobile applications. In addition, I work with AI-enhanced Web3 and blockchain solutions, including smart contracts, decentralized applications, AI-assisted trading bots, and automation within Ethereum, EVM-based ecosystems, and Solana. I am committed to delivering high-quality AI solutions with clear communication, timely delivery, and long-term technical support. If you are looking for an AI developer with a strong engineering foundation and proven AI expertise, please feel free to send me a private message to discuss your project. less
Hire ska234
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I design and build production-grade digital systems — from advanced blockchain protocols and DeFi platforms to AI-powered trading tools and scalable web/mobile applications. My expertise sits at the intersection of Blockchain Engineering, AI Automation, and Full-Stack Development, allowing me to deliver complete,...I design and build production-grade digital systems — from advanced blockchain protocols and DeFi platforms to AI-powered trading tools and scalable web/mobile applications. My expertise sits at the intersection of Blockchain Engineering, AI Automation, and Full-Stack Development, allowing me to deliver complete, real-world products — not just isolated pieces of tech. 🚀 Core Expertise ① Blockchain & DeFi Engineering I build secure, scalable smart contract systems and the platforms around them. Smart Contracts (Solidity / EVM) ERC-20, BEP-20, ERC-721, ERC-1155 token standards Token launches with presales, treasury logic, fee systems Reflection, burn/mint mechanics, advanced tokenomics Vesting, Lockups & Distribution Team, seed, and marketing vesting vaults Airdrop + claim systems Token distribution dashboards Security & Governance Multisig wallets, timelocks, role-based permissions Anti-bot protections, max wallet/tx, cooldowns Whitelists, blacklists, and upgradeable proxy patterns Staking, Rewards & Liquidity Staking/farming vaults and reward engines Presale + claim portals AMM & DEX integrations (Uniswap / PancakeSwap style) Chainlink oracles, subgraphs, and on-chain analytics Chains & Tools Ethereum, BNB Chain, Polygon, Arbitrum, Base Hardhat, Foundry, OpenZeppelin, Ethers.js, Web3.js, Wagmi, Viem, The Graph, IPFS Security Focus Full test suites, fuzz & invariant testing, gas optimization, and audit preparation/fixes. ② AI, Trading & Automation Systems I build intelligent, risk-aware trading and automation tools that operate across crypto and traditional markets. Strategy design & backtesting (Python, EasyLanguage) MetaTrader (MQL4/5) indicators, Expert Advisors, risk modules Exchange & broker API integrations Risk controls: drawdown limits, position sizing, daily loss caps Data pipelines, performance reporting, and monitoring Light ML models for signal filtering, anomaly detection, and optimization Hybrid systems combining on-chain data + CEX/DEX feeds + AI logic ③ Web, Mobile & Backend Development I don’t just build contracts — I build the entire product ecosystem around them. Web Frontend React, Next.js, Vue, Tailwind DApp interfaces, token dashboards, admin panels, investor analytics Mobile Apps React Native & Flutter Wallet views, staking interfaces, notifications, companion crypto apps Backend & APIs Node.js (Express), Python (Django/FastAPI) REST & GraphQL APIs PostgreSQL/MySQL, Redis, job queues, webhooks Infrastructure & DevOps AWS, Firebase, Docker, CI/CD pipelines Monitoring, logging, and security hardening 🎯 What You Actually Get ✔ Audit-ready tokens and DeFi smart contracts ✔ Staking, vesting, and lockup systems with clean user dashboards ✔ Complete crypto platforms: Smart Contracts + Backend + Frontend + Mobile (optional) ✔ AI-powered trading bots with professional risk management ✔ Clean architecture, documented code, and smooth handover to your team less
Hire freelancerjohnr1
