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Mostrando 121 resultados
Freelancers Patrocinados
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iosifpeterfi iosifpeterfi
$64 Dólares / hora
Systems Architect, Software Engineer, DeveloperGermanySenior Systems & Security Engineer with 15+ years in enterprise-grade IT. I design, harden, and operate high-availability infrastructure, and I streamline delivery with automation and clean processes. My focus: reliability, security, and clear documentation—so changes are low-risk and handovers are...Senior Systems & Security Engineer with 15+ years in enterprise-grade IT. I design, harden, and operate high-availability infrastructure, and I streamline delivery with automation and clean processes. My focus: reliability, security, and clear documentation—so changes are low-risk and handovers are effortless. Strengths: Infrastructure architecture & operations (Linux/Windows, virtualization, networking) Security hardening, identity & access, monitoring/observability Automation & DevOps practices (CI/CD, config management, IaC) Migrations and upgrades with minimal downtime Concise runbooks, risk-aware planning, and stakeholder-friendly communication Certifications: CompTIA Security+, Microsoft MCSE/MCSA/MCITP Languages: English (C2), German (C1), native Romanian Location: Germany • NDA-friendly • Reliable and responsive menos
Contratar iosifpeterfi
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👋 Welcome! I’m a Senior Full-Stack Developer with 14+ years of experience building scalable, secure, and high-performing applications. With 53 successful projects delivered on Freelancer, I’ve helped startups and enterprises worldwide launch solutions in eCommerce, MLM, live streaming, and AI-driven platforms. 💡...👋 Welcome! I’m a Senior Full-Stack Developer with 14+ years of experience building scalable, secure, and high-performing applications. With 53 successful projects delivered on Freelancer, I’ve helped startups and enterprises worldwide launch solutions in eCommerce, MLM, live streaming, and AI-driven platforms. 💡 What I Offer ✅ Custom Web & Mobile Apps – Laravel, React, Node.js, Flutter, Kotlin ✅ Live Streaming Platforms – apps like Tiki, Tango, TikTalk ✅ WordPress & WooCommerce – custom plugins, themes, eCommerce stores, MLM solutions ✅ Magento & Drupal – extension & theme customization, bug fixing, speed optimization ✅ AI & Python Solutions – Flask, TensorFlow, OCR, automation, data-driven tools ✅ Industries Served ✅ eCommerce & Retail – online stores, marketplaces, custom plugins ✅ Network Marketing (MLM) – smart commission systems, plugins, extensions ✅ Media & Entertainment – live streaming apps, video platforms ✅ Enterprise Solutions – dashboards, workflow automation, data platforms ✅ AI & Data Applications – OCR, predictive analytics, image processing ✅ Tech Stack Languages & Frameworks ✅ PHP (Laravel, YII) ✅ JavaScript (React, Node.js, Angular, Vite.js) ✅ Python (Flask, TensorFlow, Pandas, OpenCV) ✅ Flutter, Kotlin Frontend & Design ✅ HTML5 ✅ CSS3/5 ✅ Tailwind ✅ Responsive UI CMS & eCommerce ✅ WordPress (Plugins, Themes, WooCommerce, WPML, BuddyPress) ✅ Magento (Extensions, Themes) ✅ Drupal (Modules, Themes) Databases & Tools ✅ MySQL ✅ PostgreSQL ✅ MongoDB ✅ Git ✅ Docker ✅ REST APIs ✅ GraphQL ✅ Why Clients Choose Me ✅ 47 completed projects on Freelancer with proven client satisfaction ✅ Pixel-perfect design & clean, well-documented code ✅ Free 1-month maintenance after delivery ✅ Issues resolved within 24 hours max ✅ Strong English communication & dedicated 24/7 support ✅ 14+ years of expertise delivering reliable solutions ✅ Let’s Build Together Whether you need a robust backend, a modern frontend, or a smart AI-powered platform, I bring the skills, experience, and commitment to make your vision a reality. 💬 Message me today — let’s create something impactful that grows your business! menos
Contratar letscms
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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, Next.js (App Router, Server Actions),...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, Next.js (App Router, Server Actions), Angular, TypeScript, Tailwind CSS, Redux Toolkit, React Query, Zustand, shadcn/ui → Mobile 📱: React Native, Flutter, Expo, Firebase — cross-platform iOS/Android apps with native feel; Java (native Android development, legacy support & integrations) → Backend & APIs ⚙️: Node.js (NestJS, Express), Java (Spring Boot, Hibernate, Jakarta EE), C# .NET 8/9, ASP.NET Core, EF Core, SignalR, gRPC; Python (FastAPI, Django, Flask) → CMS & E-commerce 🛒: Shopify (themes, apps, Liquid, API integrations, headless/Headless Commerce), WordPress, WooCommerce, Elementor — custom themes/plugins, secure & optimized sites → Blockchain⛓️: Solidity, Ethereum, Smart Contracts, Web3.js, Ethers.js, Hardhat — dApps, NFTs, DeFi → Automation 🤖: Python (Selenium, Scrapy), RPA, Zapier/n8n/Make.com, 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) + native Android with Java ✅ Secure, scalable backends (Node.js/NestJS, Java/Spring Boot, .NET/Python) with real-time features, OAuth2, PCI compliance, microservices & enterprise integrations ✅ High-performance Shopify stores (custom themes, private/public apps, Liquid development, API integrations, headless setups) + 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 + Node.js/Java/.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, Shopify, WordPress, blockchain, automation, cloud & full-stack Node.js/NestJS development? Message me now! I reply fast and can start immediately. Let's create something exceptional! 💼 menos
Contratar johnnier3
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munibs1 munibs1
$20 Dólares / hora
MERN | PHP/WordPress | Python | AI/ML IntegrationBosnia and HerzegovinaAs a Senior Full Stack Developer with over 8+ years of experience, I specialize in building performant, scalable, and user-friendly ecommerce web interfaces using modern JavaScript frameworks like React, Next, and Vue. And I have experience integrating AI and machine learning solutions to enhance functionality and...As a Senior Full Stack Developer with over 8+ years of experience, I specialize in building performant, scalable, and user-friendly ecommerce web interfaces using modern JavaScript frameworks like React, Next, and Vue. And I have experience integrating AI and machine learning solutions to enhance functionality and drive automation in web applications. With a solid foundation in computer science and extensive experience in both front-end and back-end development, I excel at building everything from small business websites to complex, custom applications. I have a strong eye for design and UX, and I enjoy translating complex requirements into clean, maintainable code. I’ve worked across diverse industries, collaborating with cross-functional teams to deliver responsive web applications and dynamic single-page experiences. I’m especially passionate about pixel-perfect UI, accessibility, and optimizing performance for high-traffic applications and Mobile application with Flutter + Backend. I'm currently looking to contribute to impactful projects where code quality, user experience, and continuous learning are valued. I’m currently seeking a new challenge in a global company where I can further develop my skills, contribute my expertise, and thrive in an environment that fosters both individual and team success. menos
Contratar munibs1
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expertswriting45 expertswriting45
$80 Dólares / hora
Operational Excellence ConsultantUnited KingdomProfessor of Autonomous and Engineering Systems. UK STEM Ambassador, King Trust Educational Mentor, King Trust Business E--mentor. UN member. With over 20 years of experience specializing in engineering systems, autonomous technology, and lean manufacturing. My career bridges cutting-edge research with practical...Professor of Autonomous and Engineering Systems. UK STEM Ambassador, King Trust Educational Mentor, King Trust Business E--mentor. UN member. With over 20 years of experience specializing in engineering systems, autonomous technology, and lean manufacturing. My career bridges cutting-edge research with practical applications, contributing to advancements across sectors like aerospace, healthcare, and manufacturing. I bring a proven track record of success, having supervised 35 PhD candidates, over 490 MSc dissertations, and directed more than 800 capstone projects. My ability to secure over £1.5M in research funding underscores my expertise in leading high-impact initiatives. I excel in developing interdisciplinary research programs, mentoring diverse teams, and translating complex technical concepts into actionable insights. Skills and Expertise Pitch Development Expertise in crafting compelling investor pitches to secure funding and build strategic partnerships. Ability to articulate complex ideas and translate them into persuasive narratives tailored to diverse stakeholders. Business Planning that align innovation with market needs and organizational goals. Skilled in conducting market analysis, identifying growth opportunities, and defining actionable strategies. Presentation and Communication Advanced skills in creating engaging and impactful PowerPoint presentations for investors, clients, and teams. Strong communicator adept at distilling technical concepts into clear, concise, and actionable insights. Marketing Strategy Expertise in developing marketing plans to enhance brand visibility and engage target audiences effectively. Proficient in content marketing, social media strategy, and leveraging data analytics to optimize campaigns. Creative and Branding Design Skilled in conceptualizing and designing professional logos and branding materials that reflect innovation and sustainability. Experience with visual storytelling to enhance brand identity and appeal. Leadership and Collaboration Proven ability to lead interdisciplinary teams and foster collaboration across academic and industry stakeholders. Skilled in mentoring and developing talent, having supervised 35 PhD candidates and over 800 capstone projects. Research and Innovation Adept at bridging academic research with practical applications in fields like aerospace, healthcare, and manufacturing. Track record of securing over £1.5M in funding for high-impact, innovation-driven projects. Sustainability and Autonomous Systems Specialized knowledge in autonomous systems design, AI-driven operations, and sustainable engineering practices. Expertise in integrating sustainable practices into operational workflows. Strategic Insight and Problem Solving Exceptional ability to analyze complex challenges and develop tailored, data-driven solutions. Experienced in aligning research and technology initiatives with organizational goals to maximize impact. menos
Contratar expertswriting45
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Dear Client, Welcome to STALLIONi Our Core Services: + Web Design : HTML, CSS, JavaScript, AngularJS, ReactJS + Web Development : PHP, CodeIgniter, Laravel, Node.js + CMS Customization: WordPress, Magento, Shopify, Joomla + CRM integration : Zoho + Mobile App Development: iOS & Android – native & cross-platform +...Dear Client, Welcome to STALLIONi Our Core Services: + Web Design : HTML, CSS, JavaScript, AngularJS, ReactJS + Web Development : PHP, CodeIgniter, Laravel, Node.js + CMS Customization: WordPress, Magento, Shopify, Joomla + CRM integration : Zoho + Mobile App Development: iOS & Android – native & cross-platform + Graphic Design + Data Entry & Admin Support When you work with us, you're choosing a team that respects your time, understands your vision, and delivers with precision. We’re committed to 100% satisfaction — on budget, and exactly as promised. Let’s bring your ideas to life — efficiently and creatively. #OnTime #OnBudget #TopQuality #FreelancerPro Best regards, The STALLIONi Net Solutions Team Your Go-To Experts on Freelancer.com menos
Contratar graphicaa
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Srashta means CREATOR (Lord Vishnu). We took this name from "विष्णु सहस्त्रनाम” SRASHTA + SOFT = Creator of Software. That's how we are providing CREATIVITY through INNOVATION for your SUCCESS! Expert in Flutter, React Native, and Shopify Technology! Expertise in IoT (Home automation & Industrial Automation) app...Srashta means CREATOR (Lord Vishnu). We took this name from "विष्णु सहस्त्रनाम” SRASHTA + SOFT = Creator of Software. That's how we are providing CREATIVITY through INNOVATION for your SUCCESS! Expert in Flutter, React Native, and Shopify Technology! Expertise in IoT (Home automation & Industrial Automation) app development 3+ IoT apps developed. SrashtaSoft is the best software development company which meets the present and future necessities working dynamically for the success of the operating scenery. We have 9+ years of experience in Mobile application and web development, Graphic design, Web application development, web design and digital marketing. We are experts in Mobile application development, Flutter, PHP, MEAN Stack, Python, Django, Node.js, React Native, WordPress, Shopify, Laravel, Woocommerce, Ajax, Jquery, JavaScript, HTML, Mysql, Bootstrap etc. We have developed 200+ Android and Ios applications and 250+ Websites. We are experts in Shopify store and application development and we are also Shopify Partners. We have developed 50+ Shopify stores and 20+ Shopify apps. We don't just build a Mobile application, Web application, or website development, We build a reputation, trust and Long-term relationship with our clients. menos
Contratar Srashtasoft
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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 menos
Contratar andriik18
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I'm an AI-powered full-stack developer with a focus on building elegant dashboards, business automation tools, and smart web apps that streamline operations and deliver real-time value. From custom quote engines and internal analytics platforms to professional SaaS dashboards, I combine tools like React, Supabase,...I'm an AI-powered full-stack developer with a focus on building elegant dashboards, business automation tools, and smart web apps that streamline operations and deliver real-time value. From custom quote engines and internal analytics platforms to professional SaaS dashboards, I combine tools like React, Supabase, n8n, and Placid to create seamless, scalable systems. My work blends beautiful UI with robust backend logic, tested automation, and performance-first architecture. If you're looking to automate workflows, visualize data, or launch a high-performance platform, I bring the technical expertise and product thinking to make it happen. What I Deliver - High-quality, reliable code - Cross-disciplinary expertise (frontend, backend, AI, automation) - Balance of speed and quality - Full confidentiality of your ideas(NDA) Let's build something useful, efficient, and future-ready. menos
Contratar andriip38
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Full-Stack & Mobile App & CRM & Artificial Intelligence Expert with over 8 years of experience designing and developing high-performance applications for web and mobile platforms. I specialize in creating AI-powered features, agentic AI workflows, machine learning solutions, natural language processing (NLP),...Full-Stack & Mobile App & CRM & Artificial Intelligence Expert with over 8 years of experience designing and developing high-performance applications for web and mobile platforms. I specialize in creating AI-powered features, agentic AI workflows, machine learning solutions, natural language processing (NLP), cloud-native architectures, and scalable digital platforms that help businesses grow and adapt quickly. My technical expertise spans modern frontend frameworks (React, Angular, Vue, Next.js), backend development (Node.js, Python/Django, Java/Spring Boot, .NET Core), and mobile platforms (React Native, Flutter, Swift, Kotlin). I am also skilled in cloud computing (AWS, Azure, GCP), containerization and DevOps (Docker, Kubernetes, CI/CD), and databases (PostgreSQL, MySQL, MongoDB, Firebase, Redis). In the AI domain, I have built intelligent agents, RAG pipelines, and AI-driven SaaS solutions, leveraging frameworks like LangChain and integrating LLMs (OpenAI, HuggingFace, Anthropic) for tasks such as automation, decision-making, and conversational AI. My ML expertise includes computer vision, predictive analytics, and NLP applications such as chatbots, sentiment analysis, and text classification. I have successfully delivered projects across FinTech, Healthcare, E-Commerce, Travel, and EdTech, integrating complex workflows, APIs, and real-time features to provide seamless user experiences. My clients value me for writing clean, maintainable code, solving tough technical challenges, and delivering projects on time. Passionate about turning complex ideas into intuitive, impactful products, I bring a problem-solving mindset, strong communication skills, and a commitment to building solutions that deliver measurable business results. menos
Contratar sekai1116
