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Mostrando 134 resultados
Freelancers patrocinados
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Contratar iosifpeterfi
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...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 mannanmaan1425
✅ Core Expertise Web & App Development | SaaS & CRM Systems | AI Solutions | Automation | Digital Experience Web Development & Design – Modern, responsive, SEO-optimized, high-converting websites Mobile App Development – Cross-platform & native (Android & iOS) SaaS / CRM Platforms – Scalable systems &...✅ Core Expertise Web & App Development | SaaS & CRM Systems | AI Solutions | Automation | Digital Experience Web Development & Design – Modern, responsive, SEO-optimized, high-converting websites Mobile App Development – Cross-platform & native (Android & iOS) SaaS / CRM Platforms – Scalable systems & enterprise-grade applications, dashboard development Automation & Workflows – N8N, Zapier, Make.com, Zoho integrations SEO & Performance Optimization – Technical SEO, speed, and conversion optimization ✅ What I Offer 🤖 AI & Machine Learning AI-powered applications & intelligent systems Chatbots, NLP & Generative AI AI Agents & workflow automation Predictive analytics & data-driven solutions 🏗 Development & Architecture Full-Stack Development (UI/UX + Backend Engineering) REST & GraphQL API Development Scalable backend systems (Django, FastAPI, Node.js, ASP.NET) Software Architecture & System Design 🛒 E-Commerce & CMS Shopify & Custom E-Commerce Solutions WordPress Development (Elementor, Custom Themes) Payment gateway & third-party integrations ⚙️ Automation & Engineering Web scraping & data extraction Workflow automation systems AI-driven process automation Microcontroller & hardware integrations ✅ Additional Capabilities (Positioned as supporting skills, not core focus) Technical Writing & Documentation Project Management (Agile, Asana, workflows) UI/UX & Graphic Design fundamentals Word processing & structured documentation Data handling & operational support systems ✅ Tech Stack Python, JavaScript, C#, Dart, Java, Swift Django, Flask, FastAPI, Node.js, NestJS, ASP.NET Core React, Next.js, Vue, Angular | Flutter PostgreSQL, MongoDB | Docker, Kubernetes, AWS, GCP PyTorch, Scikit-learn, OpenAI N8N, Zapier, Make.com, Zoho ✅ Why Work With Me 8+ Years of Proven Experience Clean, Scalable & Maintainable Architecture Strong Communication & Remote Collaboration Business-Focused & Results-Driven Approach On-Time Delivery with High-Quality Standards menos -
Contratar naminghn
With more than a decade of experience as a senior web developer, I’ve had the privilege of working with multidisciplinary teams ranging from startups to midsized corporations. My career has spanned the full lifecycle of software development—architecting applications from the ground up, optimizing and scaling existing...With more than a decade of experience as a senior web developer, I’ve had the privilege of working with multidisciplinary teams ranging from startups to midsized corporations. My career has spanned the full lifecycle of software development—architecting applications from the ground up, optimizing and scaling existing systems, and delivering modern, maintainable codebases aligned with business goals. Technical Expertise Backend Development: - Proficient in PHP, Laravel, RESTful architecture, API development, authentication workflows, queues, caching, and scalable backend systems. Frontend Development: - Strong command of React, Next.js, Redux, and modern JavaScript (ES6+). - Experience with shadcn/ui, Tailwind CSS, Bootstrap, and component-driven UI development. - Skilled in building responsive, mobile-first layouts and accessible user interfaces. Styling & UI Engineering: - Expertise in CSS-in-JS solutions such as Styled Components and modern utility-based design with Tailwind. - Ability to transform Figma/Adobe XD designs into pixel-perfect implementations. Full-Stack Capabilities: - Proficient in integrating frontend and backend systems, building full-stack solutions, and optimizing applications for performance, SEO, and scalability. Additional Experience: - Familiarity with Git workflows, CI/CD pipelines, Docker, server management, AWS/S3, and modern development tooling. I am always enthusiastic about leveraging my expertise to craft impactful, modern, and scalable digital products. I look forward to collaborating with like-minded professionals who value innovation, clean architecture, and high-quality engineering. menos -
Contratar letscms
👋 Welcome! I’m a Senior Full-Stack Developer with 14+ years of experience building scalable, secure, and high-performing applications. With 62 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 62 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 Shopify Development Expertise ✅ Shopify Custom App Development (Private & Public Apps) ✅ Shopify Theme Development & Customization ✅ Shopify Liquid Programming 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 ✅ 62 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 johnnier3
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 Hubready
We don’t just write code — we build systems that work in the real world. We are a senior Full-Stack & AI Engineering team with extensive experience designing, building, and scaling production-grade software across AI automation, SaaS platforms, data pipelines, and high-volume e-commerce systems. We approach every...We don’t just write code — we build systems that work in the real world. We are a senior Full-Stack & AI Engineering team with extensive experience designing, building, and scaling production-grade software across AI automation, SaaS platforms, data pipelines, and high-volume e-commerce systems. We approach every project with both an engineering and business mindset, ensuring solutions are not only technically sound but also practical, maintainable, and ROI-driven. ✓ What we do best – AI & Automation • LLM integrations (OpenAI, RAG pipelines, embeddings, copilots) • Intelligent workflow automation and data processing • AI-powered internal tools and dashboards • Zapier, n8n, Selenium, Python, Beautiful Soap • Stock trading algorithm/bot development for Schwab, E*TRADE, etc – Backend & Data Engineering • Custom APIs and event-driven architectures • PostgreSQL at scale (partitioning, optimization, analytics) • ETL pipelines across Shopify, Salesforce, ERP, and custom systems • Node.js, Python, TypeScript – Frontend Development & UX • Modern, responsive frontends built for real users • React, Next.js, and component-driven UI architecture • Data-heavy dashboards with performance in mind • Clean UI/UX that balances usability, speed, and clarity • Frontends tightly integrated with backend and analytics layers – Mobile App Development • Cross-platform mobile apps (iOS & Android) • React Native, Flutter, and modern mobile stacks • Secure API integration and real-time data sync • Apps designed for performance, stability, and growth – Cloud, DevOps & Reliability • Docker / Podman, CI/CD pipelines, secure deployments • Observability, logging, and performance tuning • Systems designed to scale without constant maintenance ✓ How we work • Clear communication and structured milestones • Production-ready code — no shortcuts or fragile builds • Proactive technical guidance when we see risks or better paths • Long-term thinking: solutions that grow with your business Clients bring me in when systems become too complex, too slow, or unreliable, or when an AI idea needs to become a real, production-ready product — not just a prototype. If you need a senior engineer who can own frontend, backend, data, and AI end-to-end, and deliver clean, scalable results — let’s build it right. menos -
Contratar graphicaa
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 / Automation : Zoho CRM, SuiteCRM, GHL (Go High Level), SuiteCRM, Zapier,...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 / Automation : Zoho CRM, SuiteCRM, GHL (Go High Level), SuiteCRM, Zapier, Google sheets, QuickBase + Mobile App Development: iOS & Android – native & cross-platform + Graphic Design + AI chatbot development and integration. 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 Webxpert4u
Expertise: Visual Basic, Excel, Data Scientist, Power BI, Accounting, Xero, Finance, QuickBooks, Lead Generation, Research, MS Word, Formatting and Layout, Market Research, Financial Research, DocuSign, Salesforce, Pitch Deck, Google Sheet Automation, Gantt Chart, Smartsheet, PDF, forms, MS Access, Statistical...Expertise: Visual Basic, Excel, Data Scientist, Power BI, Accounting, Xero, Finance, QuickBooks, Lead Generation, Research, MS Word, Formatting and Layout, Market Research, Financial Research, DocuSign, Salesforce, Pitch Deck, Google Sheet Automation, Gantt Chart, Smartsheet, PDF, forms, MS Access, Statistical Analysis, SPSS Statistics, Data Science, Web Scrapping, Python, Web Search, Contact person email search, Leads, Data Entry, Copy Typing, Data Transfer in Excel & Word from any source like Handwritten files, Tableau & Power BI, Data Analysis, Bookkeeping, Finance, Audio/Video Transcription, Type Form, Latex. Hablo español, inglés e hindi, lo que facilito la ejecución perfecta de todos tus proyectos sin que las fronteras te obstaculicen. I am good in Claim submissions, Handling patient billing queries and Insurance follow-ups also. Satisfaction Guaranteed: 100% Areas of Proficiency and Experience: ✓ Data Modeling and Analysis ✓ Data Visualization : Tableau & PowerBI ✓ Accounting, Xero, Finance, QuickBooks, ✓ Excel VBA - Advance MS excel/access/outlook/PowerPoint VBA (Macros) modeling, VB6, Analysis and Reports, FINANCIAL Models, Account Reconciliation, Financial analysis, MIS reporting, Bookkeeping, and invoicing part, Mail Merge /Emails through Outlook-Gmail-others, Arrays, Forecasting ✓ VBA- Desktop Applications ✓ Format, Edit and Design MS Word Document. ✓ Google Sheet Automation, Formulas and Macros ✓ Power BI - reports and dashboards, Data Model with DAX development ✓ MS Access DB, SQL, MySQL, Database Management ✓ Websites Scraping (VB, Python, C#, Java) ✓ ZoomInfo B2B DB- 5 Millions ✓ Web search, Market research, Financial Research, Company Data Research, All about to search ✓ Personal Email Searching - (CEO, Director, President, Sales Person, Marketing person, VP etc) ✓ Search Google for Specific Company's Website and contact details ✓ Virtual Assistant✓ Inventory Management✓ Data Entry✓ Product Listing✓ Shopify ✓ Copy Typing✓ Pdf/Word/Web to Excel✓ Excel to Web✓Excel to XML Thank you for visiting my profile. Feel free to drop a message to initiate a chat. menos -
Contratar abhichaudharii
Tired of repetitive tasks, unreliable scraping tools, or wasting hours managing trading or e-commerce ops? Hi, I’m Abhishek a Python automation expert with 7+ years of experience building bots, web scrapers, and trading systems for founders, fintech startups, and e-commerce sellers. I’ve helped clients: ✅ Save $10K+...Tired of repetitive tasks, unreliable scraping tools, or wasting hours managing trading or e-commerce ops? Hi, I’m Abhishek a Python automation expert with 7+ years of experience building bots, web scrapers, and trading systems for founders, fintech startups, and e-commerce sellers. I’ve helped clients: ✅ Save $10K+ annually in manual costs with custom automation ✅ Reclaim 15+ hours/week with Shopify and Telegram bots ✅ Automate trading on Binance & Deriv with 99.8% uptime What I Can Build for You: Bots & Workflow Automation • Telegram/Discord bots with admin panels • Selenium/Appium automation for web and Android • Internal tools to simplify reports, notifications, and admin ops Web Scraping (100+ sites done) • Anti-bot bypass (IP rotation, Captcha, Cloudflare) • Scrapy, Requests, Selenium, Playwright • Auto-schedulers with data exports (Excel, JSON, Dashboards) Trading Bots & Dashboards • Strategies for Binance, Bybit, Deriv, QuantConnect • FastAPI/Flask-based dashboards with webhook triggers • Signal-based executions + full logging system Chrome Extensions • UI-based tools for scraping, automation, and integrations • Hidden API/XHR exploitation (Amazon, Shopify, custom targets) API & GUI Development • REST APIs (FastAPI, Flask) and PyQt5/Flet desktop tools • Clean UX for internal teams or clients My Stack: Python, FastAPI, Flask, Selenium, Scrapy, PyQt5, Shopify API, TradingView, Telegram API, Google Apps Script, SQLite, XHR, WebSockets, Playwright. Let’s talk. I usually respond within 30–60 minutes. Drop me a message with your idea or pain point — I’ll help you automate it fast, clean, and ROI-focused. Client Feedback: “Abhishek’s automation saved us 20+ hours a week with flawless execution.” – Brett B. “He understood my trading logic and built a system better than I imagined.” – James D. menos -
Contratar bhaveshjnariya
** 100% Satisfaction Guaranteed — Results You Can Trust ** Hi, Bhavesh here I am full stack web developer who can confidently say that, as Preferred Freelancer, I am in the elite top 1% on this platform. With over 12 years of experience in the field, I have gained an insurmountable wealth of knowledge in web...** 100% Satisfaction Guaranteed — Results You Can Trust ** Hi, Bhavesh here I am full stack web developer who can confidently say that, as Preferred Freelancer, I am in the elite top 1% on this platform. With over 12 years of experience in the field, I have gained an insurmountable wealth of knowledge in web development, and as such can offer a plethora of services, including: • Website Development • Website Design • Custom Web Development • OpenAI integration • WordPress Development & Customization ◦ Theme Development ◦ Plugin Development ◦ WooCommerce • Laravel Development • SEO Services • Shopify Theme & App Development • Yii Framework • CodeIgniter Development & Customization • Custom PHP Development I have developed everything from business websites to web portals to blogs, and I can confidently put together any type of framework and design you could possibly need. I am committed to quality, transparency, and timely delivery and I stand by my work with a simple promise: Love the results or you don't pay. No risk, just results. Let's connect to discuss your project. I am ready to get started right away! menos
