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I’m passionate about building top-tier web and mobile applications that are not only functional but also optimized for performance and scalability. With a deep commitment to excellence, I bring over 5 years of experience in FullStack development and am always ready to turn your ideas into reality. What I Bring to the Table: ✅ Experience & Expertise: I have extensive experience in delivering high-quality applications using Next, React, and NodeJS, with a focus on both front-end and back-end technologies. My expertise spans across building scalable microservices, developing dynamic single-page applications, and ensuring seamless mobile experiences. ✅ Key Skills: • Languages & Frameworks: Next, React, NodeJS, Express, NestJS • State Management & Libraries: Redux, RTK Query, MobX • Database Technologies: MongoDB, PostgreSQL, MySQL • UI/UX Design & Styling: MUI, SCSS, Tailwind, Bootstrap • APIs: GraphQL, RESTful services ✅ Tools & Technologies: Jira, Trello, Figma, Git, GitHub, GitLab, Azure DevOps, Bitbucket ✅ Collaboration Approach: I excel in both collaborative team settings and working directly with clients. From initial planning to final delivery, I focus on providing a seamless development process and maintaining open communication throughout the journey. Whether working with large teams or clients individually, I ensure that every project is executed with precision and efficiency. I’m excited about the opportunity to contribute to your project and help bring your vision to life. Let’s collaborate, innovate, and create something impactful together. Your success is my priority, and I’m eager to make this a productive and rewarding partnership. Thank you for considering me for your next project. Best regards, Danylo

Hi 👋 I’m a Senior Frontend Developer with 6+ years of commercial experience building modern, high-performance web applications. I specialize in developing scalable, maintainable and user-focused interfaces that transform complex requirements into clean and efficient digital products 💻 🎯 What I Do I design and develop robust frontend architectures that ensure performance, accessibility and long-term scalability. My focus is not just UI implementation, but delivering reliable systems aligned with business goals. 🖥 Frontend Development • React & Next.js applications (SPA & SSR) • TypeScript for scalable and type-safe architecture • Context API, Redux Toolkit, Zustand for advanced state management • React Query for server-state synchronization • Clean component architecture and reusable UI systems 🎨 UI & Styling • Tailwind CSS, Material UI, Chakra UI, Bootstrap, Sass • Shadcn-based component systems • Responsive and pixel-perfect layouts • Animations with Framer Motion • Accessibility and cross-browser compatibility 🔗 API & Integrations • REST API & GraphQL integration • Firebase & Supabase connectivity • Authentication flows and protected routes • AI integrations with OpenAI, Google Gemini, Anthropic Claude, xAI Grok 🤖 ⚡ Performance & Optimization • Vite & Webpack configuration • Code Splitting & Lazy Loading • Lighthouse optimization • SEO best practices in Next.js • Rendering optimization and bundle size reduction 🧪 Quality & Deployment • Jest, React Testing Library, Cypress, Playwright • Storybook for UI documentation • Git (GitHub, GitLab, Bitbucket) • CI/CD with GitHub Actions & GitLab CI • Deployment via Vercel & Firebase 🚀 🏆 Professional Highlights • Delivered multiple production-ready frontend systems from scratch • Built scalable UI architectures with complex data flows • Implemented AI-driven user experiences and smart automation • Improved performance, accessibility, and SEO across projects • Established reliable testing and deployment pipelines 💡 How I Work I prioritize clean code, structured architecture and clear communication. I adapt quickly to evolving requirements and maintain strong attention to performance and user experience. My goal is to build frontend solutions that are fast, stable, visually polished and ready to scale with your business. If you’re looking for a developer who can take ownership of your frontend and deliver high-quality, future-ready applications - I’m ready to collaborate 🤝

Are you looking for a Shopify expert who can build, optimize, and scale a store that doesn't just look great—but actually generates sales? 🛒💰📈 You're in the right place! 👋 I help startups 🚀, growing brands 📈, and established eCommerce businesses 🏆 create high-converting Shopify stores that increase revenue, improve customer experience, and support long-term growth. With expertise in Shopify Development 💻, Shopify Design 🎨, Conversion Rate Optimization (CRO) 📊, Shopify SEO 🔍, Klaviyo Email Marketing 📧, and Performance Optimization ⚡, I build stores that are fast 🚀, user-friendly 🤝, mobile-optimized 📱, and engineered for conversions 💰. ━━━━━━━━━━━━━━━━━━━━━━ 🎯 WHAT I HELP YOU ACHIEVE 💰 Increase Sales & Revenue 📈 Improve Conversion Rates ⚡ Faster Website Speed 📱 Better Mobile Shopping Experience 🛒 Reduced Cart Abandonment 📦 Higher Average Order Value (AOV) 🔍 Improved Search Engine Visibility ⭐ Enhanced Brand Credibility & Trust 🚀 Scalable Growth Infrastructure ━━━━━━━━━━━━━━━━━━━━━━ 🛠️ SHOPIFY SERVICES I OFFER 💻 Shopify Development & Customization ✅ Custom Shopify Development ✅ Theme Customization & Advanced Coding ✅ Shopify Store Setup & Configuration ✅ Shopify Plus Development ✅ Custom Sections & Templates ✅ Metafields & Dynamic Content ✅ Shopify API Integrations ✅ App Installation & Configuration ✅ Subscription & Membership Setup 🎨 Shopify Design & UX/UI ✅ High-Converting Homepage Design ✅ Product Page Design & Optimization ✅ Landing Page Design ✅ Mobile-First Responsive Design ✅ Figma to Shopify Implementation ✅ Brand-Focused Store Design ✅ User Experience (UX) Optimization 📈 Conversion Rate Optimization (CRO) ✅ Store Conversion Audits ✅ Product Page Optimization ✅ Cart Drawer Enhancements ✅ Checkout Optimization ✅ Upsell & Cross-Sell Funnels ✅ Trust Badge Implementation ✅ Customer Journey Optimization ✅ A/B Testing Recommendations ⚡ Shopify Speed Optimization ✅ Core Web Vitals Optimization ✅ Google PageSpeed Improvements ✅ Image Compression & Optimization ✅ Script Optimization ✅ App Performance Cleanup ✅ Mobile Speed Improvements 📧 Email Marketing & Tracking ✅ Klaviyo Setup & Integration ✅ Welcome Series Automation ✅ Abandoned Cart Flows ✅ Post-Purchase Sequences ✅ Customer Retention Campaigns ✅ GA4 Setup & Tracking ✅ Meta Pixel Integration ✅ Conversion API Setup ━━━━━━━━━━━━━━━━━━━━━━ 🧰 TOOLS & PLATFORMS 🛒 Shopify 🚀 Shopify Plus 💻 Liquid 📧 Klaviyo 📊 Google Analytics 4 (GA4) 📈 Google Search Console 🎯 Meta Ads 🎨 Figma 📄 GemPages 📱 PageFly 🔄 Appstle 📩 Postscript ⚡ GTmetrix 📊 Google PageSpeed Insights ━━━━━━━━━━━━━━━━━━━━━━ 🏆 WHY CLIENTS CHOOSE ME ✔ Shopify-Focused Specialist 🎯 ✔ Design + Development + CRO Expertise 🧠 ✔ Revenue-Driven Strategy 💰 ✔ Clean & Scalable Solutions 🏗️ ✔ Fast Communication 💬 ✔ Reliable Project Delivery 🚀 ✔ Long-Term Support 🤝 ✔ Attention to Detail 🔍 ✔ Results-Oriented Mindset 📈 ━━━━━━━━━━━━━━━━━━━━━━ 🚀 PERFECT FOR 🛒 New Shopify Store Builds 🎨 Shopify Redesign Projects 📈 Conversion Rate Optimization ⚡ Speed Optimization Projects 📧 Klaviyo Email Marketing Setup 🏆 Shopify Plus Stores 🔧 Ongoing Shopify Support 📊 Shopify Audits & Growth Strategy ━━━━━━━━━━━━━━━━━━━━━━ 🔥 LET'S GROW YOUR SHOPIFY BUSINESS 🔥 Whether you're launching a new store 🚀, redesigning an existing one 🎨, improving conversions 📈, or scaling to the next level 🏆, I'm here to help. 💬 Ready to increase sales and build a Shopify store that works as hard as you do? 📩 Send me a message today! 🤝 Let's discuss your goals. 🚀 Let's create a Shopify store that converts visitors into customers. 💰 Let's turn your traffic into revenue. 🏆 Let's build a store designed for long-term growth and success. 👇 MESSAGE ME NOW TO GET STARTED! 👇 📩🚀💰🛒📈🔥

Are you looking for a 𝗙𝘂𝗹𝗹-𝗦𝘁𝗮𝗰𝗸 𝗘𝗻𝗴𝗶𝗻𝗲𝗲𝗿 who actually gets things done? I'm Artem. I've been building web products for years — React, Next.js, Node.js, TypeScript — the full picture, frontend to backend. Not "I touched React once" kind of experience. Real production systems, real users, real scale. I built and scaled Yumzi.app to 10,000+ restaurants. That kind of thing. 𝗛𝗼𝘄 𝗜 𝗮𝗰𝘁𝘂𝗮𝗹𝗹𝘆 𝘄𝗼𝗿𝗸: I don't wait around for someone to explain every detail. I jump into the codebase, understand the architecture, ask the right questions, and start moving. If something in the project doesn't make sense technically — I'll tell you honestly instead of just building it the wrong way. I care about the product, not just the ticket. So if I notice something broken or a better approach while working on your project — I'll bring it up. That's just how I operate. 𝗪𝗵𝗮𝘁 𝗜 𝘄𝗼𝗿𝗸 𝘄𝗶𝘁𝗵: 𝗙𝗿𝗼𝗻𝘁𝗲𝗻𝗱: React, Next.js (App Router), TypeScript, Tailwind CSS, Shadcn/ui, Framer Motion, Redux, Zustand 𝗕𝗮𝗰𝗸𝗲𝗻𝗱 𝗮𝗻𝗱 𝗗𝗮𝘁𝗮: Node.js, NestJS, Prisma, PostgreSQL, Supabase, Firebase, REST/GraphQL 𝗔𝗜 𝗮𝗻𝗱 𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻𝘀: OpenAI API, Claude, Grok, Stripe, DLocal, Twilio, SendGrid 𝗧𝗼𝗼𝗹𝘀: Git, Vercel, Docker, Figma to code I'm open to both — long-term product work where I become a core part of your team, or shorter engagements like MVPs, new features, or performance problems nobody else wants to debug. Send me a message, let's talk about your project.

Top Rated Frontend Developer with 782+ hours on Upwork, helping startups, agencies, founders, and businesses build fast, scalable, and production-ready frontend applications. Whether you need a custom website, web application, SaaS dashboard, landing page, AI interface, internal tool, or ongoing frontend development, I build responsive, maintainable, and high-performance user interfaces that are ready for production. From turning Figma designs into pixel-perfect code to developing new features, improving existing applications, fixing frontend issues, or optimizing performance, I focus on writing clean, scalable code that delivers a great user experience and is easy for teams to maintain. 𝗪𝗵𝗮𝘁 𝗜 𝗰𝗮𝗻 𝗵𝗲𝗹𝗽 𝘄𝗶𝘁𝗵 • Frontend development for modern websites and web applications • React, Next.js, JavaScript, TypeScript, Vue.js, Angular, Nuxt, and Astro development • Landing pages, marketing websites, SaaS dashboards, and admin panels • Figma to responsive, pixel-perfect frontend implementation • UI development with reusable, scalable component architecture • REST API and GraphQL integration • Feature development, bug fixes, code refactoring, and ongoing maintenance • Performance optimization, accessibility, responsive design, and Core Web Vitals improvements • Interactive animations and micro-interactions using GSAP and Framer Motion 𝗧𝗲𝗰𝗵 𝗦𝘁𝗮𝗰𝗸 React • Next.js • JavaScript • TypeScript • Vue.js • Angular • Nuxt • Astro • HTML5 • CSS3 • Tailwind CSS • Bootstrap • GSAP • Framer Motion • Redux • TanStack Query • REST APIs • GraphQL • Git • GitHub 𝗪𝗵𝘆 𝗰𝗹𝗶𝗲𝗻𝘁𝘀 𝘄𝗼𝗿𝗸 𝘄𝗶𝘁𝗵 𝗺𝗲 ✓ Top Rated on Upwork ✓ 782+ hours successfully delivered ✓ Clean, scalable, and maintainable code ✓ Responsive interfaces across modern browsers and devices ✓ Strong focus on performance, usability, accessibility, and long-term maintainability ✓ Clear communication, reliable delivery, and realistic timelines If you're looking for a frontend developer who can seamlessly join your team, build high-quality user interfaces, and deliver production-ready results, I'd be happy to discuss your project and recommend the best approach.

I build lightning-fast, highly interactive web applications that don't just look stunning they perform flawlessly. As a Frontend Architect specializing in React, Next.js, and Astro, I help companies optimize their Core Web Vitals, eliminate technical debt, and deliver premium user experiences backed by robust, optimized APIs. I bridge the gap between complex backend architecture and pristine UI/UX. Whether you need a pixel-perfect design transformation or a scalable SaaS platform, I build production-ready applications engineered for speed, accessibility, and long-term maintainability. Core Expertise Frontend Architecture: Next.js, React, Astro, SvelteKit, TypeScript, Tailwind CSS Performance & Motion: Core Web Vitals optimization, bundle size reduction, GSAP, Framer Motion Backend & APIs: Go (Golang), Hono.js, NestJS, Rest/GraphQL APIs System Design: Monorepo orchestration, component-driven development, and custom design systems What I Build AI-Driven SaaS Platforms: High-traffic dashboards with intelligent feature integrations and complex state management. High-Conversion Web Experiences: Production-ready marketing sites and landing pages built with Astro for near-zero client-side JS and maximum SEO. Real-Time Data Interfaces: Fluid, reactive interfaces tailored for high-density data and seamless user workflows. My Approach I don't just write code; I design scalable systems. I specialize in the "Linear-style" aesthetic minimalism, high contrast, clean layouts, and snappy, physics-based interactions. My codebases are strictly typed and structured to scale, ensuring your team can easily maintain and expand the product long after deployment. Let’s turn your vision into a high-performance reality. Click the "Invite to Job" button, and let's discuss how we can elevate your product.