Hire the Best Contao CMS Specialists

✔️Performance✔️Accessibility✔️SEO✔️Best Practices✔️Agentic Browsing✔️ GTmetrix 🕒14+ hrs online ✔️WCAG 2.2✔️Guaranteed Core Web Vitals- LCP, CLS, INP improvement with Crux data Monitor - I clean & redo the website based on native coding for a permanent result. (Gutenberg, FSE block & Vanilla Js) Tech: Shopify | WordPress | Lovable| HubSpot | Webflow | Breakdance| gutenberg | Elementor | Cloudflare | PHP | Laravel | HTML | Magento | Shopify | BigCommerce | Codeigniter | Static | Headless | Next.js | React.js | Custom-built stack My Execution Strategy for Speed Optimisation 1. Initial Audit & Benchmarking the current report - Google PageSpeed Insights 2. Identify bottlenecks in Speed Index parameters - FCP, LCP, TBT, SI, and CLS 3. If CMS allow staging, create staging and perform all techniques - code minification, critical/used css, lazy-load, defer, font optimization and reduce on initial page weight 4. Server and CDN cache integrations My plan of execution for Core Web Vitals fixes 1. All steps of the above Speed optimization will be performed 2. I will ensure we get the LCP 2.5 sec and CLS green 3. Modify CDN integration as per need, also suggest the best server initial response time with avoiding downtime 4. Submission of pages for validation in Google Search Console. Note: It passed pages that report gets fetched and updated at GSC. For less traffic-based pages or having slow server response, it usually fails and will have to resubmit those again. I prefer to monitor it and boost the failing URLs if there is any room for improvement. A lot of CMSs have their own CDN and server control, and they do not allow CDN integration. 📍 Ping me, and I will ensure your website is performing at its peak performance 📍 To ensure great results on Google Core Web Vitals, I will share the plan of execution including page weight reduction as cleaning of unrequired elements, identification of errors and providing resolutions for all parameters (LCP, CLS, INP). I have done it for 1000s websites and will make sure your website will achieve those great results. Having 12+ years of core expertise in Website development and being a Page Speed Optimization Expert (CMS or Custom), I am capable of speed optimising any stack-based website to its peak performance, including Server and CDN configuration. I deliver results per any tools such as: ✔️ Google Core Web Vitals (Google Pagespeed optimization) ✔️ Google Search Console fixes ✔️ Lighthouse ✔️ Page Speed Insight | Page Speed Optimization (pagespeed optimisation tool) ✔️ GT-Metrix (gtmetrix com) ✔️ web.dev (web dev/measure) ✔️ Pingdom (tools pingdom com) and many more. My services towards these website development technologies of the website: ✔️ E-commerce Page Speed Insight | Page Speed Optimization | core web vital ✔️ WordPress Page Speed Insight | Page Speed Optimization | core web vital ✔️ Shopify Page Speed Insight | Page Speed Optimization | core web vital ✔️ Webflow Page Speed Insight | Page Speed Optimization | core web vital ✔️ Laravel Page Speed Insight | Page Speed Optimization | core web vital ✔️ Magento Page Speed Insight | Page Speed Optimization | core web vital ✔️ PHP Page Speed Insight | Page Speed Optimization | core web vital

⭐⭐⭐⭐⭐ "It was an excellent experience working with Luis. He communicated effectively, offered great suggestions on how to tackle problems, and completed the project on time and budget. I definitely recommend working with him." ⭐⭐⭐⭐⭐ "It's been an absolute pleasure working with Luis! He do such an incredible job on our projects and come through with the best solutions for our websites. We highly recommend working with Luis and his team!" ⭐⭐⭐⭐⭐ "They were super responsive, flexible in accommodating the odd and considerably less flexible requirements of our corporate finance department, and understanding about the challenges of working with the vendor of a system with which this project needed to be integrated. I absolutely would and will hire them again when an opportunity presents itself and recommend them without reservation." I am a skilled full-stack web developer focused on Drupal, Wordpress, PHP Frameworks and JS Frameworks like React.js with extensive experience with headless CMS. Throughout my career, I have worked on projects for high-profile clients across the globe and built a 10+ year track record of excellence. The results (and reviews) speak for themselves. ⭐ Here's what I can bring to your project ⭐ ✅ Top-notch experience in Drupal, Wordpress, PHP Frameworks and JS Frameworks like React.js ✅ Extensive experience working with large enterprise websites like Santander Bank ✅ Expert understanding of data security best practices. ✅ Ability to quickly diagnose websites issues and identify pain points ✅ Expert ability in designing ETL processes for data warehouses and BI databases ✅ 24/7 ultra-reliable communication: you will always be aware of the project status ✅ Someone who cares about helping you succeed and bringing value to your business ⭐ Why you should choose me over other freelancers ⭐ ✅ I'm available in the Eastern Standard Time (EST) zone. ✅ Client Reviews: I focus on providing value to all of my clients and earning their TRUST. ✅ Over-Delivering: this is core to my work as a freelancer. My focus is on giving more than what I expect to receive. I take pride in leaving all of my clients saying "WOW" ✅ Responsiveness: being extremely responsive and keeping all lines of communication readily open with my clients. ✅ Resilience: reach out to any of my current or former clients and ask them about my resilience. For any issue that my clients face, I attack them and find a solution. ✅ Kindness: one of the main aspects of my life that I implement in every facet. Treating everyone with respect, understanding all situations with empathy, and genuinely wanting to improve my client's situations. The results of this speak for themselves, with high ratings and 100% satisfaction here on Upwork, and across the internet.

⚡ 12+ Years Experience | ⚡ 19000+ Working Hours Expert in Front-end/Back-end web Applications Development, website design and web app development using a variety of web technologies such as Nodejs, Vuejs, Angular, React, WordPress, Joomla, Shopify, Codeigniter, Laravel, Php, MySQL, Html, Css, Ajax, Jquery, bootstrap, UI Having Experience in different Project Management Tools like Asana, Basecamp, GitHub, Trello, Jira Over the past 12 years, I've had the pleasure of working in a diverse range of verticals like eCommerce, social-networking, real estate, healthcare, media and entertainment, retail, automotive, education, financial services, insurance, travel and logistics, Group buying like Group-on, Penny Auction etc. ✨ Why Choose Me? ✨ 🚀 Technical Expertise: With in-depth knowledge of PHP, HTML, CSS, and JavaScript frameworks like React, Vue and angular, I possess the technical skills to tackle any development challenge and provide scalable solutions. 🚀 Attention to Detail: I pay meticulous attention to detail, ensuring pixel-perfect designs, responsive layouts, and seamless navigation for an exceptional user experience. 🚀 Timely Delivery: I am committed to delivering projects on time without compromising on quality. I understand the importance of meeting deadlines and strive to exceed client expectations. 🚀 Effective Communication: I believe that clear and open communication is the key to successful collaborations. I am always available to discuss your project requirements, provide regular updates, and address any concerns. If you are looking for a dedicated and talented full stack developer to bring your website vision to life, I am here to help. Let's work together to create a compelling online presence and drive your business growth! Thanks for checking out my profile and I look forward to speaking with you soon.

HI! I'm Sebastian and I'm SUPER HAPPY TO HAVE YOU HERE 😁 I'm a WordPress Developer & Web Designer with 10+ years of experience building high-performance websites that don't just look beautiful — they convert. Every pixel, every line of code, every animation is crafted to make your brand feel premium while turning visitors into customers. ⭐ If you're looking to take your business to the next level with a fast, secure, and conversion-optimized WordPress site, you are in the right place. 🚀 ━━━━━━━━━━━━━━━━━━━━ 🏆 WHY CLIENTS TRUST ME ━━━━━━━━━━━━━━━━━━━━ ✅ 5.0 ⭐ rating on Upwork ✅ 170+ hours delivered ✅ $9K+ earned with 100% client satisfaction ✅ Verified Freelancer | Native Spanish | Fluent English ✅ Average response time: under 1 hour ━━━━━━━━━━━━━━━━━━━━ 💻 PROGRAMMING LANGUAGES ━━━━━━━━━━━━━━━━━━━━ 🔹 HTML5 🔹 CSS3 / SASS 🔹 JavaScript 🔹 PHP 🔹 MySQL ━━━━━━━━━━━━━━━━━━━━ 🧱 PAGE BUILDERS & FRAMEWORKS ━━━━━━━━━━━━━━━━━━━━ 🔹 Elementor / Elementor Pro 🔹 Divi 🔹 Bricks Builder 🔹 Oxygen Builder 🔹 Beaver Builder 🔹 Gutenberg (Block Editor) ━━━━━━━━━━━━━━━━━━━━ 🛒 ECOMMERCE ━━━━━━━━━━━━━━━━━━━━ 🔹 WooCommerce (custom checkouts, payment gateways, subscriptions) 🔹 Easy Digital Downloads 🔹 Dokan Multivendor 🔹 CartFlows 🔹 YITH plugins suite ━━━━━━━━━━━━━━━━━━━━ 🔌 PLUGINS I WORK WITH DAILY ━━━━━━━━━━━━━━━━━━━━ 🔹 Advanced Custom Fields (ACF & ACF Pro) 🔹 WP Rocket / LiteSpeed Cache 🔹 Yoast SEO / Rank Math 🔹 WPML / Polylang / Loco Translate 🔹 MemberPress / LearnDash 🔹 Gravity Forms / WPForms / Metform 🔹 The Events Calendar / Amelia 🔹 LoginPress / Wordfence / Sucuri ━━━━━━━━━━━━━━━━━━━━ 🎨 DESIGN TOOLS ━━━━━━━━━━━━━━━━━━━━ 🔹 Figma 🔹 Adobe Photoshop 🔹 Adobe Illustrator 🔹 Adobe XD ━━━━━━━━━━━━━━━━━━━━ ⚙️ WEB SOLUTIONS & HOSTING ━━━━━━━━━━━━━━━━━━━━ 🔹 Cloudflare setup & optimization 🔹 SSL certificates 🔹 DNS configuration 🔹 Domain & email setup 🔹 Site migrations (zero downtime) 🔹 Malware removal & WordPress hardening 🔹 PageSpeed optimization (90+ scores) ━━━━━━━━━━━━━━━━━━━━ 💎 WHY WORK WITH ME? ━━━━━━━━━━━━━━━━━━━━ 1️⃣ VALUE FIRST — I focus on results, not just deliverables. 2️⃣ OVER-DELIVERING — My goal is to exceed your expectations, not just meet them. 3️⃣ RESPONSIVE — Clear, fast communication. No ghosting, ever. 4️⃣ PROBLEM SOLVER — I love finding solutions where others see roadblocks. 5️⃣ LONG-TERM PARTNER — Most of my clients come back. That's the best review I can get. ━━━━━━━━━━━━━━━━━━━━ 🗣️ WHAT CLIENTS SAY ━━━━━━━━━━━━━━━━━━━━ ⭐⭐⭐⭐⭐ "Sebastian exceeded my expectations from day one. Professional, fast, and detail-oriented. I'll definitely hire him again for future projects." ━━━━━━━━━━━━━━━━━━━━ 🚀 LET'S GET STARTED ━━━━━━━━━━━━━━━━━━━━ ☑️ Book a FREE 40-minute consultation — no commitment. ☑️ Send me your project details and I'll reply within hours. ☑️ Let's turn your idea into a website that grows your business. Looking forward to working with you! 🤝

If you are losing sales because your WooCommerce/Shopify store doesn't sync correctly with Google Merchant Center, your product feeds are broken, or your site feels slow and unoptimized—I am the partner you need. I solve the technical messes you don’t have time to micromanage. I am a Senior Web Specialist with 10+ years of experience in LATAM and US agency ecosystems. Having served as a Lead Web Designer managing 300+ projects and handling complex integration pipelines, I don't just "install themes." I build scalable, secure, and conversion-focused digital ecosystems that connect perfectly with your marketing infrastructure. Why High-Volume Businesses Hire Me: E-Commerce Data Sovereignty: I specialize in fixing the critical friction points of e-commerce. From complex Shopify & WooCommerce catalog migrations to seamless Google Merchant Center data feed architecture, dynamic remarketing setup, and API/webhook synchronization. Absolute Technical Autonomy: I bridge the gap between design, code, and server architecture. I handle the entire lifecycle: UI/UX layout in Figma, frontend development, custom B2B/B2C logic, and hardcore server hardening via cPanel/WHM. Conversion & Performance First: My background isn't just lines of code; it's business logic. Whether designing a complex B2B rental platform or optimizing Core Web Vitals to boost conversion rates, every asset is engineered to turn traffic into revenue. Core Specializations: E-Commerce Engineering: Advanced WordPress/WooCommerce & Shopify configuration, catalog data integrity, custom product filtering, and multi-currency/language sync. Marketing & Ads Integrations: Google Merchant Center diagnostics, product feed optimization for Google Shopping, and tracking deployments. Server & Infrastructure Administration: WHM/cPanel management, email deliverability protocols, server migrations, and malware remediation. Strategic UI/UX Design: High-fidelity prototyping in Figma optimized for mobile-first user flows. Tech Stack: CMS & Platforms: WordPress, WooCommerce, Shopify, Google Merchant Center. Builders & Frameworks: Elementor Pro, Divi, WPBakery, Vue.js. Languages & Tools: HTML5, CSS3, JavaScript, Figma, Adobe Suite (Ps, Ai). Whether you need a full-scale architecture overhaul, an automated data-sync integration, or an expert to salvage a broken deployment under a tight deadline, let's connect. Click "Invite to Job" and let's discuss a solution that fits your business scope.

We are not just a development team — we are your long-term technology partner. We specialize in solving business challenges through high-quality, maintainable, and well-designed digital products. We have helped numerous companies build secure, stable, feature-rich, and scalable applications. Our Unique Advantages 🎓 Strong International Academic Background Our UI/UX Designer holds a Master's degree from The University of Queensland, Australia. Our Project Lead holds a Master's degree in Software Engineering from the University of Mysore and a Ph.D. in Software Engineering from the Indian Institute of Technology (IIT). Our engineers hold Master's degrees in Software Engineering from leading universities in China. We combine world-class design thinking with rigorous engineering expertise. 👥 Flexible Team Structure Small tasks can be completed independently, while complex projects can be supported by a full team covering design, development, testing, optimization, and maintenance. You pay only for the resources you need, while benefiting from efficient communication and on-time delivery. 🌏 Proven Project Experience 100+ Websites | 100+ Business Systems We have successfully delivered solutions across branding, tourism, professional services, healthcare, eCommerce, logistics, education, finance, and many other industries, helping clients solve a wide range of real-world business challenges. 💰 Excellent Cost Performance With the same budget, you can achieve higher quality, more complete functionality, greater system stability, and stronger long-term technical support. Our Services Requirements Planning, UI/UX Design, Custom Development for Projects of Any Scale, High-Quality Websites, Feature-Rich Platforms, Full-Stack Applications, AI Large Language Model Solutions, Enterprise System Development, Issue Resolution, System Enhancement, and Secondary Development. Technical Capabilities We possess full-stack development capabilities and can independently manage the entire project lifecycle, including planning, development, testing, and maintenance. Both desktop and mobile projects are supported. Frontend Development Proficient in Vue, React, and other mainstream frameworks for interface development, user interaction implementation, cross-platform adaptation, API integration, websites, administrative systems, and feature-rich web applications. Backend Development Highly experienced in Java and the Spring Boot framework for API development, business logic implementation, and database architecture design. We are also proficient in PHP development for corporate websites, lightweight eCommerce platforms, content portals, and management systems across various business scenarios. In addition, we have practical experience with Python, Node.js, Angular, Django, PostgreSQL, AWS, Docker, WordPress, and many other technologies. We select the most suitable technology stack based on your project objectives and business requirements. 💎 Flexible Development Approaches You may choose the approach that best fits your needs. We can rapidly build solutions using platforms such as WordPress, or develop fully customized systems according to your requirements, delivering complete source code ownership. Rather than assembling projects through prebuilt themes, excessive plugins, or AI-generated code, we focus on building reliable and maintainable solutions tailored to your business needs. Benefits of Source Code Delivery ✅ Higher Product Quality – Clean architecture with no bloated code or unnecessary dependencies. ✅ Greater Stability – Thoroughly tested solutions without plugin conflict risks. ✅ Stronger Security – Reduced third-party vulnerabilities and easier security auditing. ✅ Better Marketing Potential – Clean system architecture that supports SEO and future marketing initiatives. ✅ Excellent Scalability – Easily add new features and expand functionality without vendor lock-in concerns. Our Commitment ✔ Complete Source Code Delivery ✔ Quality and Efficiency Assurance ✔ Regular Zoom Meetings ✔ Clear Project Milestones ✔ Continuous Progress Updates ✔ Long-Term Technical Support 🤝 Free Technical Consultation If you have any questions or uncertainties regarding software development, we would be happy to provide free technical consultation. Whether we ultimately work together or not, we are willing to help you clarify your requirements, evaluate feasibility, and identify the most suitable technical solution. We look forward to working with you.