Blockchain Developers Para Contratação
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Mostrando 245 resultados
Freelancers Patrocinados
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Exceed Your Expectation! Let's Do It Together!! We are a team of experienced Mobile App & Web Developers with over 10+ years in delivering high-quality digital solutions. Our expertise spans mobile and web development, backend integration, automated testing, UI/UX design, and performance optimization. We build...Exceed Your Expectation! Let's Do It Together!! We are a team of experienced Mobile App & Web Developers with over 10+ years in delivering high-quality digital solutions. Our expertise spans mobile and web development, backend integration, automated testing, UI/UX design, and performance optimization. We build scalable, secure, and intuitive applications tailored to business needs. Core services: – Custom mobile & web app development – E-commerce platform development (Shopify, Bigcommerce, Woocommerce, Magento) – Blockchain dApp development – User-focused UI/UX design – Backend integration & automation – App optimization & performance monitoring – Security, testing & CI/CD pipelines We collaborate closely with clients to turn ideas into impactful products, staying up to date with the latest tech and trends. Whether launching a new product or improving an existing one, we bring the skill and dedication to help your business succeed. menos
Contratar diektech
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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: 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: 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. menos
Contratar AwaisChaudhry
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freelancerjohnr1 freelancerjohnr1
$50 Dólares / hora
Top1% Web & Mobile | AI | BlockchainUnited StatesI 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 menos
Contratar freelancerjohnr1
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As a software architect and Python developer with 10+ years of experience, I design and deliver full-stack, high-performance crypto trading automation systems for both individuals and organizations. Notable project: 10xTraders.ai – a fully cloud-native, multi-user crypto trading platform that supports strategy...As a software architect and Python developer with 10+ years of experience, I design and deliver full-stack, high-performance crypto trading automation systems for both individuals and organizations. Notable project: 10xTraders.ai – a fully cloud-native, multi-user crypto trading platform that supports strategy generation, live trade execution, smart notifications, user dashboards, and automated scaling, integrating TradingView charts and custom AI modules. My expertise includes: Strategy Engine Development: Design, testing, and deployment of custom and modular trading strategies (momentum, DCA, grid, arbitrage, trend-following, mean reversion, risk management overlays, etc). Exchange Integrations: Multi-exchange (Binance, Bybit, KuCoin, Coinbase, OKX, and more) spot, margin, and derivatives connectivity, robust error handling, and seamless authentication. Backtesting & Simulation: Fast, accurate historical and forward backtesting engines; optimization tooling; walk-forward analysis; metric dashboards. Automated Live Trading: Real-time execution, position sizing, dynamic stoploss/TP, risk management, error recovery, and live trade monitoring. Signal & Webhook Handling: Integration with TradingView, Telegram, Discord, email alerts; advanced webhook processors; custom event triggers. Trading Terminal UI: Web-based terminals for trade monitoring, live logs, analytics, and order management; deep TradingView chart integration; responsive dashboards. AI/ML-Driven Trading: Custom modules for signal generation, position management, and adaptive strategy optimization with machine learning. Portfolio Management: Multi-asset and multi-strategy allocation, wallet/rebalancing, cross-exchange tracking, P&L and risk statistics. Notification & Reporting: Real-time logging, alerting (web, mobile, email, Telegram), performance reporting, and alerting for trade state, errors, fills, or margin events. Cloud & DevOps: Docker, Kubernetes, Helm, NGINX, automated CI/CD pipelines, secure API exposure (REST/WebSockets), volume scaling for thousands of concurrent users. User & Multi-Tenancy: Auth, multi-user session management, isolated deployments, and secure separation for hosted trading platforms. API & Bot Management: REST/WebSocket APIs for strategy control, trade monitoring, status queries, bot lifecycle (spawn/stop/clone/update) at scale. Config & Secrets Handling: Secure, dynamic config management (YAML, JSON), secrets vaults, role-based access, per-user exchange keys. Deployment: Production experience with Linux, bare metal, AWS, GCP, DigitalOcean, Hetzner, OVH; scaling to global audiences. I combine technical rigor, creative engineering, and a passion for clean, robust code to deliver trading solutions that are powerful, resilient, and user-friendly. I’m ready to build and run your next-generation crypto trading or automation platform—end-to-end, from strategy to cloud! menos
Contratar Beannsofts
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DataOnMatrix DataOnMatrix
$25 Dólares / hora
Award-Winning Software Company | Elite 1% TalentPakistan✪ ✪ ✪ Elite 1% Talent on Freelancer.com ✪ ✪ ✪ We are DataOnMatrix, a top-rated software company based in Pakistan, helping startups, SMBs, and enterprises build high-quality digital products quickly, efficiently, and reliably. From custom web development and mobile app development to eCommerce platforms, SaaS...✪ ✪ ✪ Elite 1% Talent on Freelancer.com ✪ ✪ ✪ We are DataOnMatrix, a top-rated software company based in Pakistan, helping startups, SMBs, and enterprises build high-quality digital products quickly, efficiently, and reliably. From custom web development and mobile app development to eCommerce platforms, SaaS solutions, and AI-powered software, we transform your ideas into scalable, high-performance applications that deliver measurable results. Our expertise includes AI/ML development and Generative AI integration, enabling clients to automate processes, enhance user experiences, and implement intelligent features that keep them ahead in their industry. We follow agile development methodologies, use modern technologies, and maintain a client-first approach — delivering clear communication, dependable results, and long-term project support. Our core services include: ✅ UX/UI Design & Prototyping ✅ iOS & Android Mobile App Development ✅ Web Development (ReactJS, Laravel, Ruby on Rails, PHP/MySQL, Python) ✅ WordPress & Shopify Development ✅ Custom eCommerce Platforms & Online Stores ✅ API Development & Integration ✅ AI/ML & Generative AI Development Why Clients Choose DataOnMatrix: ✅ Full-cycle IT services from strategy to deployment and ongoing support ✅ Proven track record in complex, enterprise-scale projects ✅ Strong QA and security compliance for trust and reliability ✅ Transparent, customer-first communication ✅ Agile and scalable models tailored to startups, SMEs, and enterprises ✅ Recognized globally for innovation, quality, and excellence We combine technical expertise, creativity, and strategic thinking to deliver high-quality software solutions that help your business grow. Let’s build your next digital product together — success starts here. menos
Contratar DataOnMatrix
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I’m a senior developer with a first programming certificate earned in 1985 and four decades of hands-on software building. I deliver practical, maintainable solutions: Python apps, automation scripts, data pipelines, APIs, custom dashboards, and integrations across cloud and on-prem systems. I’ve been a full-time...I’m a senior developer with a first programming certificate earned in 1985 and four decades of hands-on software building. I deliver practical, maintainable solutions: Python apps, automation scripts, data pipelines, APIs, custom dashboards, and integrations across cloud and on-prem systems. I’ve been a full-time freelancer since 2021 and previously spent 22 years in industry, turning messy processes into reliable tools. Core stack: Python, VBA, Google Apps Script, SQL, C#, and Java. Also experienced with desktop GUIs, spreadsheets at scale, reporting, OCR, and third-party API integrations; comfortable picking up other languages and frameworks as needed. I hold a Master’s in Finance (1998), bringing strong analytical rigor to cost models, forecasting, and compliance logic. Languages: English, French, Arabic. If you need clean code, clear communication, and on-time delivery, let’s talk. menos
Contratar saliba04
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Mkaits Technologies is a leading IT Firm committed to delivering a range of services that span the entire spectrum of IT Industry. Since 2019, we have specialized in providing Blockchain solutions, AI & Machine Learning, Big Data Analytics, Web & Mobile development, E-commerce, and Custom Software Solutions. We...Mkaits Technologies is a leading IT Firm committed to delivering a range of services that span the entire spectrum of IT Industry. Since 2019, we have specialized in providing Blockchain solutions, AI & Machine Learning, Big Data Analytics, Web & Mobile development, E-commerce, and Custom Software Solutions. We excel in blockchain technologies, offering DEX, DAPP, Web3, NFT, smart contracts, and DeFi solutions, using platforms like ETH, BSC, and Polygon. Our web & app development services cover Java, Python, PHP, JavaScript frameworks (Reactjs, Nodejs, Angular, Vuejs), and mobile platforms (React Native, Flutter). We also provide e-commerce solutions with expertise in WooCommerce, Shopify, and Magento. Our custom software solutions include AI, machine learning, and data science, using advanced technologies like TensorFlow and AWS. Whether you need blockchain integration, web & mobile development, e-commerce platforms, or custom software solutions, Mkaits is your trusted partner! menos
Contratar mughiraaa
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REPLATechnology REPLATechnology
$30 Dólares / hora
Top Rated Verified & Confirmed By Freelancer.comPakistanHello, Thank's for taking the time to visit my profile. I’m a Full-stack Experienced Software & Mobile App developer with 10 years of industry experience / Blockchain, Mobile app & Software Development with over 10 years of experience operating as a high-end professional in the Blockchain & Software Industry. My...Hello, Thank's for taking the time to visit my profile. I’m a Full-stack Experienced Software & Mobile App developer with 10 years of industry experience / Blockchain, Mobile app & Software Development with over 10 years of experience operating as a high-end professional in the Blockchain & Software Industry. My clients consistently receive polished work in a timely manner with constant communications and updates. I offer a number of services through my expertise: ● ✔ BlockChain Development ● ✔ NFT Development ● ✔ Software Development ● ✔ Web App Development ● ✔ Artificial intelligence Projects ● ✔ Mobile App Development (IOS & Android) ● ✔ Website Development ● ✔ Application Design (UI / UX) ● ✔ Figma / XD ● ✔ Website Design ● ✔ Brand Identity Design My portfolio is chock full of these design elements, and I highly suggest you peruse it to better understand my style, work & vision. Along with a team of 18 professional developers who aide me in my design, I hold my skills in high regard & would love to use them to help you create a Best Product for your business. shoot me a message! I’m available through Freelancer & will respond ASAP so that we can break down your needs and decide exactly how we will tackle them. Thanks, & have a great day, Regards menos
Contratar REPLATechnology
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ChainbotSols ChainbotSols
$25 Dólares / hora
Design, Development and Internet MarketingUnited StatesChainBot Solutions is a Maryland-based custom software development company located in Baltimore, specializing in delivering innovative and tailored solutions. We excel in transforming complex ideas into robust, scalable software applications, ensuring that businesses get the tools they need to thrive in a fast-paced...ChainBot Solutions is a Maryland-based custom software development company located in Baltimore, specializing in delivering innovative and tailored solutions. We excel in transforming complex ideas into robust, scalable software applications, ensuring that businesses get the tools they need to thrive in a fast-paced digital world. In addition to our custom software development services, we offer a comprehensive range of creative services, including professional web design, logo design and branding, stationery material, brochures, catalogs, flyers, business websites, and InDesign expertise. Our team also provides advertisements, banners, packaging, and labels that help elevate your brand identity. We pride ourselves on on-time delivery and a focus on high-quality, user-centric designs and development. Whether you're looking for a marketing brochure, website design, eBook/KDP, or a custom report, we are equipped to deliver results that exceed expectations. Our goal is to provide businesses with scalable and engaging solutions that drive success. Highly motivated and results-oriented graphic designer with 7 years of experience crafting impactful visuals for print and digital media. Proven ability to translate complex ideas into clear and engaging designs that elevate brand identity and achieve marketing goals. Highly proficient in Figma, Adobe Photoshop, and Illustrator. Excellent communication skills, exceptional collaboration abilities, and a passion for problem-solving. Special Offer: You will receive a 15% discount if you are a woman-led business! menos
Contratar ChainbotSols
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⭐⭐ “My foremost priority is ensuring client satisfaction.” ⭐⭐ As a seasoned web developer and software engineer, I possess expertise in both front-end and back-end technologies. I am dedicated to crafting elegant, user-centric solutions and excel at transforming complex concepts into highly functional and efficient...⭐⭐ “My foremost priority is ensuring client satisfaction.” ⭐⭐ As a seasoned web developer and software engineer, I possess expertise in both front-end and back-end technologies. I am dedicated to crafting elegant, user-centric solutions and excel at transforming complex concepts into highly functional and efficient web applications. Skills and Expertise: ✅ Web Development: Proficient in Python (Django, FastAPI), PHP (Laravel, WordPress), Node.js (Express.js), and Go (GoLang) ✅ Frontend Technologies: Experienced with React, Next.js, Nuxt.js, and Vue ✅ API Development: Skilled in building and integrating APIs ✅ Cloud Services: Expertise in AWS and Firebase ✅ Payment Integration: Proficient with Stripe, PayPal, Authorize.net, Sofort, and Alipay ✅ Databases: Knowledgeable in SQL, PostgreSQL, and MongoDB ✅ Responsive Design: Competent in HTML5, CSS3, Bootstrap, and Tailwind ✅ UI/UX Design: Specializing in creating mockups and user-centered designs ✅ Microsoft Power Platform: Proficient in Power Apps and Power Automate ✅ Mapping Solutions: Skilled in Google Maps and Mapbox integration ✅ Communication Tools: Familiar with Twilio SMS and SendGrid ✅ Automation and Scripting: Experienced with Google Apps Script Additional Skills: ✅ CI/CD Pipelines: Proficient in GitLab, Bitbucket Pipelines, and Jenkins ✅ Linux Administration: Experienced in VPS and shared server setup, configuration, and cron jobs ✅ Version Control: Familiar with Bitbucket, GitHub, and Git Flow ✅ Web Server Management: Skilled in managing Apache, NGINX, and IIS ✅ Containerization: Proficient in Docker Project Management Qualities: ✅ Commitment to Quality: I guarantee full satisfaction with my work ✅ Timely Delivery: I ensure accurate and on-time project completion ✅ Ongoing Support: I offer long-term support even after project completion I would be grateful for the opportunity to discuss your project in greater detail and demonstrate how my skills can align with your specific requirements. I would be delighted to explore how we can collaborate to achieve your goals. Thank you! menos
Contratar jonathangleon
