Cryptographers para contratar
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Freelancers patrocinados
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Contratar joseteixeira06
Obrigado por visitar meu perfil. Sou um desenvolvedor altamente organizado, comprometido e focado em entregar soluções de qualidade. Trabalho com atenção aos detalhes, comunicação clara e total compromisso com o sucesso do cliente. Tenho experiência em transformar ideias em projetos completos, funcionais e...Obrigado por visitar meu perfil. Sou um desenvolvedor altamente organizado, comprometido e focado em entregar soluções de qualidade. Trabalho com atenção aos detalhes, comunicação clara e total compromisso com o sucesso do cliente. Tenho experiência em transformar ideias em projetos completos, funcionais e otimizados. Possuo fortes habilidades em interfaces modernas, desenvolvimento responsivo e criação de aplicativos híbridos utilizando tecnologias web. Tenho a capacidade de levar seu projeto desde o conceito inicial até o produto final publicado. Tenho me desenvolvido nestes domínios: HTML5, CSS3 e JavaScript (ES6+) Desenvolvimento de Apps Mobile com Apache Cordova Integração de plugins: câmera, GPS, armazenamento, push notifications Layouts responsivos e design intuitivo Firebase (Realtime Database / Firestore / Auth) Integração com APIs e sistemas externos Otimização de desempenho e melhoria de código Correção de bugs e manutenção contínua Se você entrar em contato comigo, terá meu comprometimento total e um resultado final que atenderá — e superará — suas expectativas. menos -
Contratar arfharwinder
⚡ Preferred Freelancer | ⚡ 14+ Years Experience in Web Security and WordPress Hello! I am Harwinder Kumar, a seasoned professional specializing in comprehensive Web Security and WordPress. I offer services in Malware Removal, Virus Removal, Ethical Hacking, Internet Security, WordPress Speed Optimization, Websites...⚡ Preferred Freelancer | ⚡ 14+ Years Experience in Web Security and WordPress Hello! I am Harwinder Kumar, a seasoned professional specializing in comprehensive Web Security and WordPress. I offer services in Malware Removal, Virus Removal, Ethical Hacking, Internet Security, WordPress Speed Optimization, Websites Transfer, SSL Installation, WordPress Development, Linux Server Administration and Zen Cart / Drupal / MODX / Moodle / Joomla CMS Upgrades. Achievements: ✅ Cleaned 5000+ websites successfully from malware with security enhancement. ✅ Conducted 1,000+ seamless website transfers. ✅ Completed more than 500 SSL installations. ✅ Optimized speed of 200+ WordPress websites. Services Offered: 1. Malware and Virus Removal (Cleaning Hacked Websites and Servers): ✔ Guaranteed 100% cleanup of websites, including databases from malicious code. ✔ Remediation of WP-VCD malware, backdoors, malicious javascript and conditional redirects. ✔ Specialized solutions for japanese keyword hack, SEO spam / pharma hack, credit card stealers and ecommerce malware. ✔ Google blacklist removal (This site may be hacked, The site ahead contains malware), google deceptive warning fix. ✔ McAfee SiteAdvisor, norton blacklist or any VirusTotal based blacklist fix. 2. Website Security Maintenance: Strategic security enhancements and guidance for future-proofing your digital assets. 3. Website Transfer and Migration: Expert transfer of websites to new hosts or domains for any PHP-based CMS or custom-coded websites. 4. SSL Installation and HTTPS Migration: Seamless migration from HTTP to HTTPS with secure padlock implementation. 5. WordPress Development and Troubleshooting: Comprehensive development and issue resolution, including critical and fatal error fixes. 6. HTTP Security Headers Fix: Implementation of essential security headers to protect your web application from common vulnerabilities and threats. 7. Linux Server Administration: Efficient server management promoting optimal performance and security. 8. WordPress Speed Optimization: Proven methods to enhance website performance following Google PageSpeed and GTmetrix standards. 9. Platform Upgrades: Upgrading Zen Cart, Drupal, MODX, Moodle and Joomla to their latest stable versions. 10. Penetration Testing: Thorough security vulnerability assessments to safeguard your web presence. If you're looking for a trusted partner to secure, optimize and enhance your digital operations, I am here to deliver superior solutions tailored to your needs. Let's collaborate to ensure your website is both secure and performing at its peak! menos -
Contratar nuprogramer
I am a senior Blockchain, Web3, AI, and Full Stack Software Developer with 13+ years of programming experience and 5+ years working as a full time freelancer. I specialize in building secure, scalable, and production ready decentralized and centralized systems that solve real business problems. My expertise includes...I am a senior Blockchain, Web3, AI, and Full Stack Software Developer with 13+ years of programming experience and 5+ years working as a full time freelancer. I specialize in building secure, scalable, and production ready decentralized and centralized systems that solve real business problems. My expertise includes blockchain development such as smart contract engineering, DeFi protocols, NFT marketplaces, crypto wallet systems, DEX/CEX exchange platforms, and Web3 application architecture. I have worked with major blockchain ecosystems including Ethereum, Bitcoin, Solana, XRPL, Stellar, Hyperledger, and Corda. I also integrate AI/ML capabilities into applications using algorithms such as Decision Tree, Random Forest, KNN, and Linear Regression, while working with modern generative AI and OpenAI based solutions for practical product development. Over the years, I have built and launched 140+ web and mobile applications with active userbases. My experience includes high performance backend systems, scalable microservices architecture, cloud infrastructure, and DevOps pipelines using AWS, Google Cloud, and Azure. Technical Skills & Technologies Blockchain & Web3 Development > Smart Contract Development (Solidity, Rust) > ERC20, ERC721, ERC1155 Token Standards > DeFi Applications, Staking, Yield Systems > NFT Marketplace Development > DEX / CEX Exchange Platforms > Crypto Wallet Development > Web3 Integration & Blockchain Security Backend & Full Stack Development > Node.js, PHP, Laravel, Django, Flask > React.js, Next.js, Electron.js > RESTful APIs, Microservices, JSON/XML Systems Databases & Storage > PostgreSQL, MySQL, MongoDB, Redis DevOps, Cloud & Infrastructure > AWS, Azure, Google Cloud Platform > Docker, Docker Compose, CI/CD Automation > Server Security & Performance Optimization Automation & Data Engineering > Web Scraping: Selenium, Scrapy, BeautifulSoup > Process Automation and Data Pipelines Platforms & CMS > WordPress, Shopify, and Custom E Commerce Solutions Mobile App Development > React Native Development (React Native, React Native Mobile Applications) > Expo / React Native Expo > Flutter Mobile App Development (Flutter, Dart) > Cross Platform Mobile Applications (iOS & Android) > iOS App Development (Swift, Swift UI) > Android App Development (Java, Kotlin) > Mobile App UI/UX Implementation & API Integration Web & Backend Development > PHP Development (Custom PHP Applications) > Laravel Development (Laravel Web Applications, Laravel REST APIs) > Python Backend Development (Django, Flask, FastAPI) > Full Stack Web Application Development > REST API Development & System Integrations Blockchain Networks I Work With > Bitcoin | Ethereum | Solana | XRPL | Stellar | Hyperledger | Corda I lead a team of experienced engineers capable of building large scale Web3, fintech, and modern software platforms, with a strong focus on research driven development (R&D) to ensure solid architecture, security, and performance. menos -
Contratar owebest
Hello "Business Owners", glad you're here! We are a technology partner focused on building intelligent and scalable digital systems for Start-ups and enterprises. Our work is centered around solving complex business challenges using a combination of AI, blockchain, and connected technologies, while ensuring that...Hello "Business Owners", glad you're here! We are a technology partner focused on building intelligent and scalable digital systems for Start-ups and enterprises. Our work is centered around solving complex business challenges using a combination of AI, blockchain, and connected technologies, while ensuring that every solution is practical, secure, and production-ready. We do not just build features—we design systems that support long-term growth, automation, and decision-making. Core Expertise - AI Systems & Automation: We build AI-driven platforms that go beyond basic automation. Our systems are designed to assist in decision-making, optimize operations, and extract meaningful insights from business data. This includes AI-powered CRM systems, predictive analytics, and workflow intelligence. Blockchain & Fintech Solutions: We develop secure and scalable blockchain-based systems, including stablecoin architectures, digital asset platforms, and fintech integrations. Our focus is on building compliant, efficient, and real-world usable financial systems—not just prototypes. IoT & Intelligent Data Systems: We design IoT ecosystems integrated with AI to enable real-time monitoring, automation, and data-driven control systems. This is especially useful for industries requiring operational visibility and predictive maintenance. Custom Software Engineering: Alongside advanced technologies, we build robust and scalable applications across web, backend, and cloud—ensuring seamless integration with modern systems. How We Work: We follow a structured, sprint-based approach, where each phase is clearly defined before execution. Our goal is not just to deliver a project, but to establish a long-term technology partnership aligned with your business vision. We work across early-stage startups to enterprise-level systems, adapting our approach based on the scale and complexity of the problem. What Makes Us Different • Focus on real-world implementation, not just concepts • Strong alignment with modern technology trends • Ability to combine multiple domains into one cohesive system • Experience in building systems that are already in use by businesses "Ready to get started? Send me a message or invite me to your project to discuss your goals!" menos -
Contratar Lightcanon
Digital & Analog Electronics VHDL-Verilog-System verilog Matlab/Simulink Analog and Digital Communications Rust Python C/ C++/C# Micro-controllers Data Structures OOP Qt/ PyQt OpenCV x86 assemblyDigital & Analog Electronics VHDL-Verilog-System verilog Matlab/Simulink Analog and Digital Communications Rust Python C/ C++/C# Micro-controllers Data Structures OOP Qt/ PyQt OpenCV x86 assembly menos -
Contratar arhamsoftltd
arhamsoftltd arhamsoftltd
$65 USD / hora
Award-Winning ISO-Certified IT firm | Among Top 1%United States: ArhamSoft LLC is an ISO-certified software development company, proudly serving clients worldwide since 2007. With a strong presence across the USA, UK, Germany, UAE, and Saudi Arabia, we have delivered innovative, scalable, and business-driven solutions to organizations of all sizes. Over the years, we have had...: ArhamSoft LLC is an ISO-certified software development company, proudly serving clients worldwide since 2007. With a strong presence across the USA, UK, Germany, UAE, and Saudi Arabia, we have delivered innovative, scalable, and business-driven solutions to organizations of all sizes. Over the years, we have had the privilege of working with Fortune 500 companies, helping them achieve digital transformation with efficiency and excellence. As trusted technology partners, we hold official partnerships with Odoo, Salesforce, and Microsoft, enabling us to deliver cutting-edge solutions powered by the latest tools and platforms. With a team of dedicated professionals and a proven track record across industries, ArhamSoft continues to empower businesses with ERP systems, custom software, AI/ML, mobile applications, and enterprise-grade solutions that drive growth and long-term success. Our Expertise: - Artificial Intelligence (AI), Machine Learning (ML), and Natural Language Processing (NLP) - Blockchain & Web3 Solutions - Mobile App Development (iOS & Android) - Web Development & Custom SaaS Platforms - ERP & CRM Solutions (Odoo, Salesforce, Microsoft Dynamics) - Cloud Computing & Enterprise Software Integration & : - Presidential Award for Best Software Company - Clutch Top IT Service Provider - Pakistan Digital Award (PDA) 2021 - P@SHA ICT Award Winner (2021) - LCCI Best Software House Award & - ISO 9001:2015 Quality Management Systems - ISO 27001:2013 Information Security Management Salesforce Partner: https://appexchange.salesforce.com/appxConsultingListingDetail?listingId=a0NHu00000p0vBtMAI Odoo Partner: https://www.odoo.com/partners/arhamsoft-13313341 Microsoft Partner ? ISO Certified for Quality & Information Security Official Odoo, Microsoft & Salesforce Partner 18+ Years of Proven Industry Experience with 500+ global clients 100% Client Satisfaction Rate backed by long-term partnerships 230+ In-house Skilled Resources across AI, Web, Mobile, and Blockchain Full-Cycle IT Services: From strategy & development to deployment & support Proven Expertise in Complex, Enterprise-Scale Projects Strong QA & Security Practices ensuring compliance and reliability Customer-Centric Approach with transparent communication Agile & Scalable Delivery Models to fit startups, SMEs, and enterprises Award-Winning Company recognized for innovation & excellence : Looking to bring your next big idea to life or optimize your business with advanced technology? Lets make it happen together. Contact us today and discover how ArhamSoft can become your trusted technology partner. menos -
Contratar technosystem
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. menos -
Contratar dakdgdl
Web Client Development Windows Client Development (WinForms, WPF, MAUI) Windows Services Development Websites Design & Development Web API Development Web API Integration Azure Cloud Solutions Development ML/AI Solutions Development ChatBot Development PowerBI Custom Visuals Development Tableau Extensions...Web Client Development Windows Client Development (WinForms, WPF, MAUI) Windows Services Development Websites Design & Development Web API Development Web API Integration Azure Cloud Solutions Development ML/AI Solutions Development ChatBot Development PowerBI Custom Visuals Development Tableau Extensions Development Video Editor Graphic Designer YouTuber 20 years of experience in industry. Technologies Used =============== Microsoft Visual Studio 2019 Microsoft Visual Studio 2022 Microsoft .Net Frameworks 4.7 Microsoft .Net Core 3.1 Microsoft .Net Core 5 Microsoft .Net Core 6 Microsoft SQL Server 2014 Microsoft SQL Server 2018 MySQL Microsoft Windows APIs C# .Net MVC Razor HTML 5 JQuery JQuery KineticJS JavaScript Node.JS AngularJS TypeScript React.JS JQuery ASP.Net WCF REST SOAP XML Open XML SDK XSLT WMI Team Foundation Server Microsoft Visual Sourcesafe Tortoise SVN Microsoft Visio Rational Rose Enterprise UML Microsoft SQL CLR T-SQL IIS Microsoft Azure Microsoft Dynamics 365 (CRM) Microsoft PowerBI Tableau Microsoft PowerApps MassTransit / RabbitMQ Web Services Web API Google Scripts ML / AI Natural Language Processing ShopifySharp Twitter API V2 QuickBook API Sage 50 API Stripe APIs & Elements Paddle CapCut GIMP menos -
Contratar faisal702
✅ 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 menos -
Contratar arwamoizds
A dominant Harvard Grad who is simultaneously being integrated into the diverse business consciousness with an in-depth understanding of how to scale operations for best results, I am skilled at guiding people and businesses, and developing processes to ignite growth within an organization for funding, expanding, and...A dominant Harvard Grad who is simultaneously being integrated into the diverse business consciousness with an in-depth understanding of how to scale operations for best results, I am skilled at guiding people and businesses, and developing processes to ignite growth within an organization for funding, expanding, and maximizing profits. Whether you need your idea to be analyzed that how feasible it is, your firm to be formed or registered, multiply your revenues through a new marketing approach, expand in new markets through successful strategies, or revive from de-growth by competing with the industry giants, my professional attitude and services are available to assist you in achieving the goals. Better to be called a Business Consultant, I'm here to help you discover the answers on how to improve your Business Processes, Blueprint, Margins, Efficiency, and even Customer Satisfaction. Whether an Advisory Project or Implementation Project, I am capable of managing all the phases starting from the Preparation, Information Gathering, Data Analysis, till the deliverable of information for all the stakeholders involved. I revel in facilitating collaboration and contributing to the overall performance of each, such as Creatrox.com, as I assisted them from soup to nuts now it became a brand & generating great revenues annually. As a market analyst, I have assessed details like the economic, employment, educational, and even the ecological health of the area. I have examined local social, technology, and political issues, and determined whether those factors match your personal and financial goals and preferences. I don't settle for anything less than your very best, so connect with me! menos
