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Startups and product teams hire me to build MVPs, SaaS platforms, and custom web apps that are fast, clean, and ready to scale. React, Next.js, Node.js, NestJS, PostgreSQL, MongoDB, AWS. 9 years. 50+ projects. 100% Job Success on Upwork. What I build: 🚀 MVPs for early-stage startups - full product, not just a prototype 🏗️ SaaS platforms - multi-tenant architecture, role-based access, billing, and dashboards ⚙️ Custom web apps - complex business logic, real-time features, third-party integrations 🔌 REST APIs and GraphQL backends - scalable, well-documented, powering web and mobile apps ☁️ AWS infrastructure - EC2, S3, SES, SNS, CI/CD pipelines, zero-downtime deployments 🛒 Custom e-commerce platforms - full MERN builds, not template stores Recent projects: Multi-tenant SaaS food delivery platform - 3 React Native apps (customer, driver, merchant) plus NestJS backend with geolocation, RBAC, and real-time order tracking. Construction safety SaaS PWA - offline-first Next.js, Node.js, and MySQL. Multi-site RBAC, automated compliance reports, and real-time data sync across field sites. Community networking MVP - real-time messaging, location-based directory, PostgreSQL, scalable member discovery for localized groups. Multi-tenant e-commerce SaaS - 3 integrated apps: Next.js 15 storefront, admin panel, and Express.js/MongoDB API with JWT auth and role-based isolation. E-commerce platform with custom CMS - drag-and-drop page builder, Razorpay payments, AWS S3, Google OAuth, and automated PDF invoicing. What working with me looks like: ✅ Honest scoping - I tell you what your MVP actually needs, not what sounds impressive ✅ Clean architecture - built to add features later without rewriting everything ✅ AWS deployment with CI/CD - your product goes live properly, not on shared hosting ✅ Fast responses - 0 to 4 hour average, I keep you updated without being asked ✅ Flexible contracts - fixed price or hourly, whatever fits your project I work best with: Founders building their first or second product Product teams that need a senior developer, not just a code executor Agencies needing a reliable white-label development partner If you have a product idea, a broken MVP, or a SaaS feature backlog, let's talk. I typically respond within a few hours.

🚀 Senior Web Developer | WordPress, Shopify, Webflow, Wix, Laravel | Framer | PHP I help businesses build, fix, optimize, and scale high-performing websites that look professional, load fast, and convert visitors into customers. With 12+ years of hands-on experience, I’ve delivered reliable, user-friendly websites across multiple platforms — from simple business sites to complex eCommerce and custom web applications. If you need a developer who communicates clearly, meets deadlines, and takes full ownership of your project, I’m here to help. 💡 What I Can Do for You ✔ Build or redesign modern, responsive websites ✔ Fix bugs, errors, and broken functionality ✔ Improve website speed, security, and performance ✔ Develop custom features and integrations ✔ Create conversion-focused landing pages ✔ Provide ongoing maintenance and long-term support 🛠 Platforms & Technologies CMS & Builders WordPress (Elementor, Divi, WPBakery, Visual Composer) Shopify Wix / Wix Studio Webflow Squarespace Magento 2 Joomla BigCommerce HubSpot, GHL, Framer Development PHP, Laravel, CodeIgniter Custom APIs & integrations Front-end & Back-end development E-Commerce WooCommerce & Shopify stores Payment gateways Product & checkout optimization ⚡ Performance, SEO & Security Google PageSpeed & GTmetrix optimization Technical & On-Page SEO (SEO-friendly structure) Website security hardening & backups Malware removal & site recovery 🎨 UI/UX & Design Figma to website conversion Clean, modern, and user-focused design Fully responsive across all devices 🌐 Hosting, Migration & Tools Hosting & server management (AWS EC2, SSH, DNS) Website migration & deployment Google Analytics, Search Console, Tag Manager CRM integrations & automation Multilingual websites (WPML, Polylang, Weglot) ⭐ Why Clients Choose Me ✅ Top-Rated Talent on Upwork ✅ 10+ Years of Professional Experience ✅ Long-Term Client Relationships ✅ Fluent English & Fast Communication ✅ Quality Work, On-Time Delivery I don’t just complete tasks — I focus on results, stability, and long-term value. 📩 Let’s Get Started Feel free to send an invite or message to discuss your project. I’m happy to work on short-term tasks or long-term partnerships. Looking forward to working with you! — Web Developer | WordPress | Shopify | Webflow | Wix | Laravel | Full-Stack Developer | AI

📌 Currently accepting 3 new website projects. Reach out if you’d like to discuss yours. 🥇 You're looking for superior quality & unparalleled service in your next website design and development project. When it comes to your business’s online presence, you must demand the highest quality – because you only get to make a good first impression once. That is where I come in - to make your business stand out through a high-converting, modern & optimized WordPress website designed and developed to be THE advertising billboard for your business. 🔥 Check out my 250+ website portfolio (copy/paste + .com): 🔗 portfolio.markorojnica. com Primary Services ✅ Website Design ✅ Website Development ✅ Website Building ✅ Website Optimization ✅ Website Maintenance ✅ WordPress Website Technology Used 🛠️ WordPress 🛠️ WooCommerce 🛠️ Elementor Pro 🛠️ Cloudflare 🛠️ Rocket.net 🛠️ Shopify Industries Served 👉 Finance 👉 Psychology 👉 PR & Marketing 👉 Healthcare 👉 Sports 👉 SaaS 👉 Real Estate 👉 News & Blogs 👉 Personal Brands 👉 Accounting 👉 Law & Legal 👉 Non-Profit 👉 Auto & Mechanic 👉 Dental 👉 Politics 👉 Blue Collar 👉 Logistics 👉 ... and more! Supplementary Services: ▶️ Website Copywriting ▶️ Search Engine Optimization ▶️ Logo Design ▶️ Brand Development ▶️ Email Marketing ▶️ Content Writing At the end of the day... I don't just design websites - I design experiences. So, the question is: Are you ready to take your digital presence to the next level? 🏆

I’m Kristina, a client-facing Marketing Project Manager who turns “marketing chaos” into clear priorities, shipped deliverables, and clean reporting. On Upwork, I’m Top Rated (4+ years) with a 100% Job Success Score, $250k+ earned, and 80+ clients supported across eCommerce and SaaS. What I do (PM | Marketing Ops | Execution) If you need someone who can manage the work and understand the marketing behind it, you’re in the right place. ------------------------------------------------------------------------ Project Management / Coordination I keep everything moving: timelines, task ownership, stakeholder updates, QA, launch checklists, and “nothing slips” follow-through. Marketing Ops (systems and reporting) I help set up and maintain marketing systems: campaigns, segmentation, automations, newsletter production, and performance reporting so your marketing runs consistently (and you can actually see what’s working). Hands-on digital marketing support When you need execution, I can jump in across website updates/fixes, blog posts, social content, email campaigns, and design/video assets so you’re not juggling five freelancers. ------------------------------------------------------------------------ AI-assisted, trend-aware (without hype) I use AI to move faster without sacrificing quality: research, outlines, content variations, reporting summaries, and QA checklists, all reviewed and finalized by me. I can also build practical workflows (templates, reusable SOPs, and automations with tools like Zapier/Make) so your output stays consistent week to week. ------------------------------------------------------------------------ Common scenarios I help with • You have a strong offer, but execution is inconsistent • Your marketing team is busy and needs a reliable coordinator to keep everything moving • Your CRM/email system is messy or underused • You need one person who can handle website fixes, blogs, social content, and design/video support • You want smarter systems + faster output using AI (without “robot copy”) • You want someone who stays current with trends and platform changes, then turns that into a clear weekly plan ----------------------------------------------------------------------- My process (what it’s like to work with me) Kickoff + access: goals, priorities, timelines, assets, tools Plan + execute: a weekly plan with tasks, owners, deadlines, dependencies Ship + improve: deliver, QA, quick reporting, and optimization based on results I’m proactive, organized, and I’ll tell you what’s happening before you have to ask. ------------------------------------------------------------------------ Tools & platforms Project management: Asana, Trello, Jira, Monday com, ClickUp CRM/Email systems: HubSpot, Zoho CRM, ActiveCampaign, Mailchimp, Klaviyo Web/Analytics: WordPress, Shopify, GA4, Google Search Console Social platforms: Instagram, TikTok, Facebook, LinkedIn, YouTube, X (Twitter), Pinterest Social/Scheduling: Buffer, Hootsuite, Later, Sprout Social (and other schedulers) Design: Canva, Adobe Photoshop, Adobe Illustrator, Figma Video: CapCut (short-form editing workflows) AI + automation: ChatGPT, Gemini, Zapier, Make + templates, prompts, and SOPs I’m also comfortable managing people and outsourced agencies (designers, editors, developers), creating clear tasks, reviewing deliverables, and keeping quality consistent. ------------------------------------------------------------------------ Thanks for taking the time to read this. One last thing… there’s a reason I have a 100% success score on Upwork. I focus on getting it right the first time and if something misses the mark, I’ll make it right. If you’re interested in working together, send me a message with: • your business + offer • what’s currently stuck • your deadline (if any) CET-based and EST/PST friendly. If you’re looking for someone who cares as much about your business as you do, I’d love to chat. Let’s dream big, plan smart, and create something amazing together. Best Kristina

I am a professional Web developer & Designer, Website Developer working with WordPress, Shopify, Wix, Wix Studio, Webflow, Squarespace, Magento 2, Hubspot, GHL, Framer, Joomla, Bigcommerce and Frameworks like Laravel, Codeigniter and other PHP, API, custom website development, Full Stack Web developer (Front-end developer and back-end developer). With over 12 years of expertise in building and customizing websites using popular content management systems (CMS) My skills include developing custom themes and plugins, apps, integrating third-party services, and optimizing website performance to ensure seamless user experiences. My expertise includes Front-end Development and Back-end Development, API integrations, and optimizing websites for peak performance. Key Skills and Achievements: ✅Key Skills: JavaScript, HTML/CSS, Mysql, MariaDB, PHP,JQuery etc. ✅ CMS: WordPress, Shopify, Wix, Webflow, Magento 2, Hubspot, Framer and Joomla, Godaddy builder, Woocommerce, Squarespace, Weebly, Kajabi,Opencart, Bigcommerce, Drupal, Craft CMS ✅ Landing page Design: Unbounce, Leadpages, Instapages, Zapier, Clickfunnel, GoHighLevel (GHL) ✅ Frameworks: Laravel, Codeigniter, Custom PHP website ✅ Wordpress and Wordpress Ecommerce site: Theme customization, Editors , plugins, Elementor, figma to wordpress, Custom plugin, custom theme, Woocommerce, Speed optimization ,Virus removal, website migration, Multisite setup,Dropshipping website , BBpress, buddypress,Landing page Development, Gutenberg, Thrive, Oxygen Builder, Beaver Builder, WPBakery Page Builder, Advanced Custom Field(ACF), Gravity Forms, Contact Form 7,WPForms etc ✅ Themes: Avada, Divi, BeTheme, Ocean WP, GeneratePress, Astra, Salient, Flatsome, Bridge, X Theme, Enfold, Jupiter, Genesis Framework, Kadence ✅Shopify website and store: Theme installation, theme customization , Apps installation and development , Liquid coding, Recharge apps, Dropshipping etc ✅Wix Website setup: wix store, theme design, Wix studio, API integration,Landing page design ✅Webflow site setup: Customization, figma to webflow, theme design,CMS collections ✅Magento Store: Magento 2, theme development , extension development, M2e pro, amazon, ebay store, payment methods, shipping ,Magmi ✅ React, Node ✅ UI/UX- Figma, Design on website ✅Hosting/server management, DNS, Website migration ✅Other Skills: Google analytics, google Search console, Google tag manager, APIs, CRM, Website Maintenance and Support,Website Speed optimization,mailchimp,Email template design, Website backup, Security, Website Migration. Multi Language : GoogleTranslate, WPML, Polylang, Weglot, Custom ✅ SEO and Marketing: On-Page SEO, Technical SEO, 𝗢𝗳𝗳-𝗣𝗮𝗴𝗲 𝗦𝗘𝗢, Semrush ✅ Maintenance of website: Updates websites plugins etc to keep it up, Security , Performance, ongoing support ✅ Front-end and Back-end Web Developer and Web Designer ✅ AI tool, chatgpt, vercel, claude, loveable ⭐ Lets Connect: Looking forward to hearing from you. You can send job invitation so we can discuss more about work. Happy to work with you short term and long term projects. WordPress Developer, Wix Developer, Webflow Developer, Magento Developer, Shopify Developer, theme Designer/Developer, Laravel Developer, Web Developer, Web designer

*Top Rated Plus* 15+ years of experience in Design, Development, Web Applications, Mobile App Development, and Digital Marketing. Specialized in both Front-end and Back-end development. 🤖 Expertise in AI Automation & Integration Tools: I help businesses automate their digital presence using AI, from building smart websites and mobile apps to automating SEO, lead generation, and customer support. Our AI automation services include chatbot development, content optimization, workflow automation, and AI-driven analytics. - Zapier, Make (Integromat), n8n, Pabbly Connect - OpenAI API, Google Cloud AI, AWS AI Services - Custom AI Tool Development (integrating GPT models with websites or CRMs) Make AI Certified | Shopify Partner | Kajabi Partner | Wix Partner | WordPress Certified | Bigcommerce Certified Partner | Google Certified Partner | Blockchain masterclass **Experience and Expertise:** *1. Website Development: Expertise in creating Static and Dynamic sites, E-commerce, Business or Corporate, Personal Websites, Progressive Web Apps, Landing Pages, Online courses, and Sales pages. Key Skills: - PHP, Laravel, Next.js, React, Node.js, Bubble io, CakePHP, CodeIgniter, Shopify, Ecwid, WordPress, Kajabi, Wix, Webflow, Square Space, Weebly, OpenCart, Magento, headless CMS, PrestaShop, Concrete CMS, HubSpot CMS, BigCommerce, Contentful, Joomla, Open Source platforms, Python, MySQL, Smartcommerce, SmartBiz, Order management system (OMS), Skool community platform, Systeme io for online courses. - AI Coding Assistants GitHub Copilot, Cursor, Tabnine, Codeium, Replit Ghostwriter, Sourcegraph Cody, Snyk AI, DeepSource AI, Kite, AI2Code - MVC (Model, View, Controller), Crypto, Blockchain technology, Adobe Experience Manager - Themes & Plugin Customization, WP Plugin Development, Shopify Apps, Wix Apps, Elementor, Smartly Templates, etc - Elementor, Divi Builder, WPBakery, Beaver, etc. - AI Automation Solutions / AI-Compatible Websites - AI LLM Model Development - Figma to WordPress, WooCommerce, Shopify, OpenCart, Laravel - Figma to HTML / Next.js / React.js - MEAN Stack / MERN Stack *2. Website Designing: HTML5, CSS, JavaScript, Bootstrap, AJAX, JQuery, PhotoShop, PSD-to-HTML, Graphic Designing, Responsive design, Wireframe, Foundation, Mobile Websites, Figma, and Canva *3 Mobile Apps: Flutter, IONIC Developer, iPhone IOS and Android app development. Hybrid and Native *4. Payment Gateways: PayPal Pro & IPN, Authorize.net, Protx, SecurePay, Google Pay, EBS, Citrix, Stripe, SagePay, Square, etc. *5. APIs: API Development and integration SOAP, REST, Google Maps, Amazon S3, ChatGPT, Facebook, Twitter, Flickr, Fileshare, CryptoAPI, etc. *6. Hands-on Experience with GitHub, Gitlab, Bitbucket *7. Crypto Technology: Expertise in integrating onramp and offramp widgets to facilitate the buying, selling, and exchanging of cryptocurrencies. Including developing and implementing efficient crypto payment solutions, optimizing user experiences, and improving platform functionalities. Strong understanding of blockchain technology and cryptographic protocols. *8. Website Performance Optimization: Specialize in developing secure and scalable online platforms. - Implementing SSL security protocols to safeguard user data and transactions. - Prioritize user experience, ensuring intuitive and user-friendly interfaces that improve engagement and satisfaction. - Mobile responsiveness & performance optimization, perfect experiences across all devices, employing techniques to enhance speed, efficiency, and overall site performance. - Create customized solutions to clients' unique needs, while optimizing websites for SEO to improve visibility and search engine rankings. *9. Digital Marketing: Always stay updated with industry trends and the latest Google and AI updates/algorithm changes to ensure strategies remain effective and competitive. - AI-Powered SEO Strategies, On-page, Technical, Local, and off-page, to optimize website rankings and increase organic traffic - Schema Markup Implementation(FAQs, How-To, etc), Voice Search Optimization, GEO SEO (Local SEO), Answer Engine Optimization, Generative Engine Optimization - Proven track record in composing effective Google Ads campaigns, Optimization & Management, maximizing ROI, and reaching targeted audiences. - Experience in social media marketing, specializing in creating unique & user-friendly content, and managing campaigns. *10. Experience in Industries: E-commerce platforms, business/corporate sites, personal pages, entertainment hubs, landing pages, portfolios, blogs, educational portals, news & media platforms, Job Sites, Medical Clinics, Real Estate, Blockchain, Crypto, Web3, Service Portals, Social networking sites, Health & Fitness, Travel & Tourism, Corporate, Forums, Social Community, and community platforms. I bring a wealth of knowledge and a proven track record in delivering high-quality work and believe in meeting deadlines and client satisfaction.