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You need a system that works while you sleep. You need content that runs without you. You need more & qualified leads. That's exactly what you get. Built hands on, with you or for you. And if you want to run it yourself, I coach you and your team to operate Claude like pros. ⭐️⭐️⭐️⭐️⭐️ "Lukas was Head of Digital Learning in my team. He streamlined our entire production workflow using AI and delivered consistently at the highest level. He knows how to build systems the right way — a strong recommendation from my side." 𝑫𝒊𝒓𝒌 𝑲𝒓𝒆𝒖𝒕𝒆𝒓 — 𝑬𝒖𝒓𝒐𝒑𝒆'𝒔 #1 𝑺𝒂𝒍𝒆𝒔 𝑻𝒓𝒂𝒊𝒏𝒆𝒓, 𝑫𝒖𝒃𝒂𝒊 ⭐️⭐️⭐️⭐️⭐️ "Absolutely professional from day one. Extremely fast workflow — when you message Lukas, you get a response within minutes, no matter the time zone. He delivers. I can absolutely recommend him." 𝑪𝒉𝒓𝒊𝒔𝒕𝒐𝒑𝒉 — 𝑬𝒏𝒕𝒓𝒆𝒑𝒓𝒆𝒏𝒆𝒖𝒓, 𝑮𝒆𝒓𝒎𝒂𝒏𝒚 ⭐️⭐️⭐️⭐️⭐️ "The system Lukas built changed everything. Our conversations became effortless — clients now convert on their own without any objection handling. Massive trust builder. Absolutely outstanding." 𝑹𝒐𝒃𝒆𝒓𝒕 — 𝑩𝒖𝒔𝒊𝒏𝒆𝒔𝒔 𝑶𝒘𝒏𝒆𝒓, 𝑮𝒆𝒓𝒎𝒂𝒏𝒚 ⭐️⭐️⭐️⭐️⭐️ "Super structured, always on schedule, great at explaining things via Loom. When problems came up, he found solutions immediately. I've already referred him to others — and I will continue to do so." 𝑨𝒏𝒏𝒆 — 𝑩𝒖𝒔𝒊𝒏𝒆𝒔𝒔 𝑶𝒘𝒏𝒆𝒓, 𝑮𝒆𝒓𝒎𝒂𝒏𝒚 ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 𝗪𝗛𝗔𝗧 𝗬𝗢𝗨 𝗚𝗘𝗧 ▶︎ 𝗔𝗜 𝗢𝗽𝗲𝗿𝗮𝘁𝗶𝗼𝗻𝗮𝗹 𝗦𝘆𝘀𝘁𝗲𝗺 (𝗔𝗜𝗢𝗦) Your business gets an AI layer that handles what your team shouldn't be doing. Admin, reporting, follow-ups, onboarding, internal communication — systematically automated so you and your people focus on what actually moves the needle. ▶︎ 𝗟𝗲𝗮𝗱 𝗚𝗲𝗻𝗲𝗿𝗮𝘁𝗶𝗼𝗻 & 𝗡𝘂𝗿𝘁𝘂𝗿𝗲 𝗦𝘆𝘀𝘁𝗲𝗺𝘀 Your leads get captured, qualified, and followed up automatically. CRM integration, email sequences, SMS follow-ups, AI-powered lead scoring — built so you never miss a prospect again. ▶︎ 𝗖𝗼𝗻𝘁𝗲𝗻𝘁 𝗔𝘂𝘁𝗼𝗺𝗮𝘁𝗶𝗼𝗻 𝗣𝗶𝗽𝗲𝗹𝗶𝗻𝗲𝘀 Your content gets created, reviewed, and published without manual work. LinkedIn, Instagram, blogs, newsletters — AI generates, you approve, the system posts. ▶︎ 𝗔𝗜 𝗔𝗴𝗲𝗻𝘁𝘀 & 𝗪𝗼𝗿𝗸𝗳𝗹𝗼𝘄 𝗔𝘂𝘁𝗼𝗺𝗮𝘁𝗶𝗼𝗻 Your repetitive tasks disappear. Invoicing, onboarding, reporting, data processing — connected end-to-end so your business runs 24/7 without manual input. ▶︎ 𝗖𝗹𝗮𝘂𝗱𝗲 𝗖𝗼𝗮𝗰𝗵𝗶𝗻𝗴 𝗳𝗼𝗿 𝗕𝘂𝘀𝗶𝗻𝗲𝘀𝘀 You and your team learn to use Claude like operators, not tourists. Live sessions, real workflows, your actual business. Prompting, agent design, Claude Code in daily work, building internal tools. You walk away knowing exactly how to apply it tomorrow. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 𝗛𝗢𝗪 𝗜𝗧 𝗪𝗢𝗥𝗞𝗦 You tell me what you need. I scope it, build it, test it, and hand it over. Fully documented and working. For coaching, you tell me what you want to learn or unlock. We work hands on in your environment, not on slides. Every project comes with a Loom walkthrough, ongoing support, and the confidence that your system actually delivers results. If something breaks, you message me and it gets fixed. This isn't a one-and-done handoff. You get a partner who makes sure your automation keeps running and keeps performing. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 𝗧𝗘𝗖𝗛 𝗦𝗧𝗔𝗖𝗞 𝗔𝗜 & 𝗕𝘂𝗶𝗹𝗱𝗶𝗻𝗴: Claude Code (primary) • Claude API • Claude Cowork • OpenAI APIs • n8n 𝗗𝗲𝗽𝗹𝗼𝘆𝗺𝗲𝗻𝘁: Netlify • Vercel • Google Cloud 𝗖𝗥𝗠 & 𝗙𝘂𝗻𝗻𝗲𝗹𝘀: GoHighLevel (GHL) • HubSpot 𝗗𝗮𝘁𝗮: Google Workspace • Airtable • Notion • Supabase 𝗖𝗼𝗺𝗺𝘂𝗻𝗶𝗰𝗮𝘁𝗶𝗼𝗻: Telegram • Slack • WhatsApp • Twilio 𝗖𝗼𝗻𝘁𝗲𝗻𝘁: LinkedIn • Instagram • Facebook • HeyGen ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 𝗪𝗛𝗬 𝗖𝗟𝗜𝗘𝗡𝗧𝗦 𝗖𝗛𝗢𝗢𝗦𝗘 𝗠𝗘 🟢 You get an owner, not a freelancer. Your project is managed end-to-end until it delivers results 🟢 You get ongoing support. Not a handoff and goodbye 🟢 You get speed. Responses in minutes, not days. Dubai-based, flexible for any timezone. 🟢 You get business thinking. 2 years running AI operations for Europe's top sales organization 🟢 You get clean systems. Documented, tested, built to last 🟢 You get teaching, not just delivery. If you want to understand how it works, I show you ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ Send me a message with a quick overview of what you're looking to automate. I'll reply with a personalized Loom video on how I'd approach your project. 🇩🇪/🇦🇹 Austrian national. German speaking clients are most welcome. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 𝗦𝗞𝗜𝗟𝗟𝗦 𝗧𝗔𝗚𝗦 Claude Code • AI Agents • n8n • Workflow Automation • AI App Development OpenAI API • Claude API • Python • JavaScript • Airtable Web Scraping • Chatbot Development • API Integration • Business Process Automation Content Automation • Lead Generation • CRM Automation • Google Workspace AI Coaching • Claude Coaching • Team Training • Prompt Engineer

👉 Are you struggling to create a lead pipeline for your business? 👉 Are you tired of messy business systems, lack of workflow & automations? 👉 𝐎𝐫 𝐦𝐚𝐲𝐛𝐞 𝐲𝐨𝐮 𝐚𝐫𝐞 𝐥𝐨𝐨𝐤𝐢𝐧𝐠 𝐟𝐨𝐫 𝐭𝐡𝐞 𝐛𝐞𝐬𝐭 𝐟𝐢𝐭 𝐭𝐨 𝐡𝐞𝐥𝐩 𝐡𝐚𝐧𝐝𝐥𝐞 𝐲𝐨𝐮𝐫 𝐆𝐨𝐡𝐢𝐠𝐡𝐥𝐞𝐯𝐞𝐥 𝐚𝐜𝐜𝐨𝐮𝐧𝐭 𝐬𝐞𝐭𝐮𝐩 𝐚𝐧𝐝 𝐦𝐚𝐧𝐚𝐠𝐞𝐦𝐞𝐧𝐭 (𝐇𝐢𝐠𝐡𝐥𝐞𝐯𝐞𝐥 𝐕𝐢𝐫𝐭𝐮𝐚𝐥 𝐀𝐬𝐬𝐢𝐬𝐭𝐚𝐧𝐭)? I worked onhave 5+ years of experience, building sales funnels on different platforms such as 📊 Go High Level, 📝 Google Sheets, ⚡ Zapier, ✉️ activecampaign , 🛒 Klaviyo Expert 💌 , clickfunnels , 💻 Kajabi , 📢 and WordPress Expert . I am an expert in a funnel , GHL Automation , 🔄 GHL Workflows , 📈 CRM Automation 🌐 website design and, A2P Verification . 𝐖𝐡𝐚𝐭 𝐈 𝐎𝐟𝐟𝐞𝐫 (𝐃𝐞𝐥𝐢𝐯𝐞𝐫𝐞𝐝 𝐢𝐧 𝟐𝟒-𝟒𝟖𝐡𝐫𝐬): ✅ Build high-converting funnels ✅ Automate email & SMS sequences ✅ Course Creation ✅ Gohighlevel Affiliate links for easier signup ✅ Set up CRM pipelines and workflows ✅ Create white-label snapshots in GHL ✅ Optimize Systeme.io for sales pages, webinars, and upsells ✅ Migrate from ClickFunnels, Kajabi, or Kartra with zero data loss 𝐖𝐡𝐲 𝐂𝐥𝐢𝐞𝐧𝐭𝐬 𝐂𝐡𝐨𝐨𝐬𝐞 𝐌𝐞: ✅ 24/7 availability & fast response ✅ Diligent and Efficient ✅ Fast delivery ✅ Tech made simple even if you're not tech-savvy ✅ Budget-friendly and high quality work ✅ Clear communication Zoom or chat, I'm here 🤝 My Approach: I believe in a client-first approach. I take the time to understand your goals, target audience, and business needs before diving into any project. This ensures that the end result is not just visually appealing but also aligned with your objectives. I enjoy collaborating with business owners and entrepreneurs to create funnels and landing pages. Now I'm using Upwork to share my expertise. I've created and optimized funnels for clients in a broad spectrum of businesses, which include life insurance, beauty and health, consulting, construction, and real estate, among many others. 📞 Reach out to me if you want your work done efficiently and professionally! 𝗕𝗲𝘀𝘁 𝗥𝗲𝗴𝗮𝗿𝗱𝘀,

I help eCommerce brands scale faster, convert better, and automate smarter using Shopify, Shopify Plus, Conversion Rate Optimization (CRO), and advanced automation systems. If your store is getting traffic but not converting—or you want to build a scalable system that grows with your business—I create high-performing Shopify experiences combined with automation-driven workflows that increase revenue and efficiency. 🛒 Shopify & Shopify Plus Development I specialize in building and optimizing high-converting Shopify and Shopify Plus stores designed for performance and growth: - Shopify & Shopify Plus store setup and customization - Custom theme development and UI/UX optimization - Conversion-focused product and landing pages - Shopify Plus checkout optimization (scripts, flows, upsells) - Store speed optimization and Core Web Vitals improvement - Mobile-first responsive design - App integrations and store scalability 📈 Conversion Rate Optimization (CRO) Getting traffic is only half the battle—converting visitors into customers is where real growth happens. I implement data-driven CRO strategies to maximize performance: - Full store CRO audits and user behavior analysis - Funnel optimization and customer journey improvements - Product page and checkout optimization - A/B testing strategies and performance tracking - Cart abandonment reduction techniques - Upsell and cross-sell strategies to increase AOV - UX/UI enhancements for higher engagement ⚙️ Automation, CRM & Workflow Systems I build smart automation systems that streamline operations, improve lead management, and increase conversions. 🔹 CRM Systems (GoHighLevel & HubSpot) - CRM setup, customization, and pipeline management - Lead tracking and lifecycle automation - Email, SMS, and follow-up sequences - Sales funnels and landing page systems 🔹 Workflow Automation & Integrations - Zapier, Make (Integromat), and n8n workflows - Shopify automation (orders, customer data, triggers) - API integrations and data synchronization - Automated lead capture and routing systems - Abandoned cart and re-engagement workflows These systems allow your business to run efficiently, reduce manual work, and scale effortlessly. 📊 Marketing & Growth Strategy I design performance-driven marketing systems focused on ROI: - Email marketing automation (Klaviyo, Mailchimp) - Funnel strategy and conversion optimization - Retargeting and customer lifecycle marketing - Offer positioning and campaign structuring 🔍 Shopify SEO Optimization I improve your store’s visibility and organic growth: - Keyword research and SEO strategy - On-page SEO (products, collections, blogs) - Technical SEO improvements - Site structure and internal linking - Content optimization for ranking and conversions 🛠 Tools & Technologies - Shopify & Shopify Plus - GoHighLevel, HubSpot - Zapier, Make, n8n - Klaviyo, Mailchimp - Google Analytics (GA4), Search Console - CRO tools and tracking platforms 🎯 What I Can Help You Achieve ✔ Higher conversion rates and increased sales ✔ Fully optimized Shopify / Shopify Plus store ✔ Automated CRM and workflow systems ✔ Improved customer journey and retention ✔ Scalable marketing and automation infrastructure ✔ Increased average order value (AOV) ✔ Better organic visibility through SEO 🚀 Why Work With Me ✔ Deep expertise in Shopify + CRO + Automation systems ✔ Strong understanding of eCommerce growth strategies ✔ Data-driven, ROI-focused approach ✔ End-to-end solutions (Store + Marketing + Automation) ✔ Clean, scalable, and performance-driven execution ✔ Reliable communication and timely delivery 💡 My Approach I don’t just build stores—I build growth ecosystems: - Analyze → Identify gaps and opportunities - Optimize → Improve conversions and UX - Automate → Reduce manual work and increase efficiency - Scale → Build systems for long-term growth 📈 Results You Can Expect - Increased conversion rates and revenue - Higher average order value (AOV) - Reduced cart abandonment - Automated workflows and lead systems - Better customer retention and engagement - Scalable and efficient business operations If you're looking for a Shopify / Shopify Plus expert who combines CRO, automation, and growth strategy, I’d love to help you build a system that not only looks great—but performs.

I'm a senior digital marketing specialist with 10+ years running paid campaigns for tech, SaaS, EdTech, Wellness and ECommerce companies across the US, Canada, UAE and GCC. I don't just run campaigns, I build the system around them. Here's what that looks like in real numbers: → Increased B2B leads by 116% for a US EdTech company → Grew monthly leads by 330% in a single month during a product launch → Delivered $0.77 cost-per-lead for a SaaS AI product at 137% conversion rate → Doubled eCommerce sales in 2 months by fixing tracking and restructuring campaigns → Built an SEO program that made organic traffic overtake paid as the #1 lead source What I work on: - Google Ads - Search, Performance Max, Display, YouTube - Meta / Instagram Ads - Lead gen, retargeting, video campaigns - Bing / Microsoft Ads - Amazon Ads & store optimization - HubSpot CRM - setup, migration, automation, reporting - Email marketing & lead nurture funnels - B2B lead generation strategy, end to end I also take on design work for startups and growing teams - pitch decks, brochures, one-pagers, e-books, social media creatives and LinkedIn content. I've worked with global teams across US, Canada, Europe and GCC, remote collaboration and async delivery are second nature to me. Whether you need to launch, fix, or scale - let's start with a conversation. Message me or book a consultation call through my profile.

I’m a 🥇𝐓𝐨𝐩 𝐑𝐚𝐭𝐞𝐝 Plus 𝐂𝐞𝐫𝐭𝐢𝐟𝐢𝐞𝐝 𝐈𝐧𝐝𝐞𝐩𝐞𝐧𝐝𝐞𝐧𝐭 𝐅𝐫𝐞𝐞𝐥𝐚𝐧𝐜𝐞𝐫 🔥 𝟏𝟎𝟎 % 𝐉𝐨𝐛 𝐒𝐮𝐜𝐜𝐞𝐬𝐬 𝐑𝐚𝐭𝐞 🔥 𝐑𝐚𝐧𝐤𝐢𝐧𝐠 𝐢𝐧 𝐭𝐡𝐞 𝐭𝐨𝐩 3% 𝐄𝐱𝐩𝐞𝐫𝐭 𝐨𝐧 𝐔𝐩𝐰𝐨𝐫𝐤. 📅Feel free to hit "𝐈𝐍𝐕𝐈𝐓𝐄" Button. Available to Start Immediately. 🚀 𝐄𝐱𝐩𝐞𝐫𝐢𝐞𝐧𝐜𝐞 𝐓𝐡𝐚𝐭 𝐃𝐞𝐥𝐢𝐯𝐞𝐫𝐬: I’m an experienced professional with proven expertise in Prospect List Building, Lead Lists, Skip Tracing, CRM Data Cleaning, LinkedIn Lead Generation, Market Research, Crunchbase Data, Web Scraping, LinkedIn Sales Navigator Searches, Web Research, and Google Studio Reporting. 🌟 𝐔𝐧𝐢𝐪𝐮𝐞 𝐇𝐲𝐛𝐫𝐢𝐝 𝐑𝐞𝐬𝐞𝐚𝐫𝐜𝐡 𝐌𝐞𝐭𝐡𝐨𝐝𝐬: I combine the efficiency of automation with the precision of manual research—ensuring accurate, reliable, and up-to-date data extraction. 💼 𝐅𝐫𝐞𝐞 𝐓𝐫𝐢𝐚𝐥: I believe in showing, not just telling. That’s why I offer a no-obligation Free Sample Work so you can see the quality before committing. 🛠 𝐏𝐫𝐞𝐦𝐢𝐮𝐦 𝐓𝐨𝐨𝐥𝐬: I use top-tier paid tools and subscriptions to deliver authentic and verified data every time. 📊 𝐒𝐞𝐫𝐯𝐢𝐜𝐞𝐬 𝐈 𝐄𝐱𝐜𝐞𝐥 𝐈𝐧: 💼 Lead Generation 🌐 Web Research 📈 Market Research 🌐 Web Scraping 💻 CRM Data Cleaning ✉️ Email Verification 📊 Data Merging 🚀 LinkedIn Sales Navigator Pro 📧 Email Outreach 📤 LinkedIn Campaigns 📊 Google Spreadsheets Mastery 📈 Google Studio Reporting 📌 𝐈𝐧𝐟𝐨𝐫𝐦𝐚𝐭𝐢𝐨𝐧 𝐈 𝐂𝐚𝐧 𝐏𝐫𝐨𝐯𝐢𝐝𝐞 𝐢𝐧 𝐄𝐱𝐜𝐞𝐥 / 𝐂𝐒𝐕 / 𝐆𝐨𝐨𝐠𝐥𝐞 𝐒𝐡𝐞𝐞𝐭𝐬: ➡️ Company Name | Website | Email | Phone | Location ➡️ Contact First & Last Name | Job Title | Email Address | Phone Number ➡️ LinkedIn Profile | Job Description | Company Revenue | Company Size | Competitor Info 🔍 𝐏𝐫𝐞𝐦𝐢𝐮𝐦 𝐃𝐚𝐭𝐚 𝐒𝐨𝐮𝐫𝐜𝐞𝐬 𝐈 𝐔𝐬𝐞: ✔️ LinkedIn | ZoomInfo | Data.com | Yellow Pages | Crunchbase | AngelList | HomeAdvisor | Manta.com 🏠 𝐑𝐞𝐚𝐥 𝐄𝐬𝐭𝐚𝐭𝐞 𝐒𝐤𝐢𝐩 𝐓𝐫𝐚𝐜𝐢𝐧𝐠 𝐄𝐱𝐩𝐞𝐫𝐭𝐢𝐬𝐞: Proficient in RealQuest, AgentPro247 for property ownership details, and TLOxp, Lexis Nexis, Intelius, Locate Plus, BeenVerified, Spokeo, LandVision for accurate owner contact information—including LLC property owners. 📦 𝐀𝐝𝐝𝐢𝐭𝐢𝐨𝐧𝐚𝐥 𝐒𝐞𝐫𝐯𝐢𝐜𝐞𝐬: 📦 Drop Shipping Research | 🛒 E-commerce Virtual Assistance | 📝 Product Listing ⚡ 𝟐𝟒/𝟕 𝐀𝐯𝐚𝐢𝐥𝐚𝐛𝐢𝐥𝐢𝐭𝐲: Always ready to respond quickly to project requests and deliver results that exceed expectations. 📩 Ready to boost your lead generation and data accuracy? Contact me today for a Free Trial!

I engineer production-grade web applications and high-performance e-commerce platforms using a hybrid modular strategy. I construct the core system using my library of battle-tested modules, then leverage specialized E-commerce frameworks or Low-Code tools to further optimize complexity, cost, and risks. This approach decreases development budget and timeline by 30-60%. Beyond building features, I am a performance guru. I optimize e-commerce stores for maximum speed (90+ Google PageSpeed), Technical SEO, and conversion – ensuring your platform doesn't just work, but ranks and sells. 🔹 Full-Stack: React, Node.js, Python (Django/FastAPI). 🔹 E-commerce: Advanced Shopify & WooCommerce (Headless, Custom Themes, Speed Optimization). 🔹 Performance Expert: Core Web Vitals, Technical SEO, Load Time Reduction, Caching strategies. Core Technology Stacks: MERN Stack (React & Node.js) – Frontend: React 18, Next.js 14, TypeScript, Tailwind CSS, Material-UI. – React Architecture: Hooks, Context API, Server Components, Suspense. – Backend: Node.js/Express REST APIs, GraphQL, Microservices architecture. – Real-time: Socket-io / WebSockets for chat. – State Management: Redux, NgRx, Zustand, MobX, Signals. – Build Tools: Webpack, Vite, Nrwl Nx. E-commerce & Performance Engineering – Shopify: Custom Theme/App development (Liquid, Remix), Headless builds. – WordPress / WooCommerce: High-performance themes, Complex migrations, Headless setups. – Optimization: Core Web Vitals (CWV), Technical SEO audits, Image compression pipelines. – Infrastructure: Redis/Varnish caching, Cloudflare CDN configuration, Database query tuning. Python Stack – Web: Django & Flask for robust web apps; FastAPI for high-performance APIs. – Data: PostgreSQL with SQLAlchemy; Pandas/Numpy for data processing. – Async: Celery with Redis for background tasks. Low-Code & No-Code Toolset – Retool: Rapid development of Admin Panels, Dashboards, and Internal Tools. – FlutterFlow / Bubble: Fast MVP builds and mobile-first prototypes. – Automation: n8n, Make, Zapier for connecting apps without custom backend code. My proprietary library of battle-tested components: – User Management: Complete Auth (Social/Email/2FA), RBAC, Profile Settings. – Admin Panels: User management, Analytics dashboards, Data export. – Payments: Stripe integration, Tier management, Invoicing, Webhooks. – Business Features: Multi-channel notifications, File Uploads, Real-time Chat. – Common Integrations: SendGrid, Twilio, AWS S3, Algolia Search. What I Deliver: ✅ Production-Ready Architecture: Scalable systems designed for growth. ✅ Speed & SEO: 90+ PageSpeed scores, optimized CWV, and clean Technical SEO. ✅ Cost Reduction: Modules + Low-Code tools cut budget by 30-60%. ✅ Faster Launch: MVP development in 8-16 weeks. ✅ Clean Code: Well-documented, TypeScript-safe, and easy for teams to maintain. Ideal Projects: – Custom Shopify Apps and high-traffic WooCommerce platforms. – E-commerce performance optimization (Speed + Technical SEO). – SaaS applications with subscription and payment workflows. – MERN/Python web apps with complex business logic. – Internal Tools & Admin Panels (Retool). Reach out to me – all pre-contract communication is absolutely free, and I’m always glad to discuss new and interesting opportunities. ⚠️ Please note that if you require candidates to “perform a flamenco dance” in order to qualify for an interview, I will not reply to your proposal. I have a very strong work history and request that you demonstrate respect for professionals here by avoiding wasting their time on useless tasks. Keywords for search: Full Stack Developer, MERN Stack, React Developer, Node.js Expert, Shopify Expert, WooCommerce Developer, WordPress Speed Optimization, Technical SEO, Python Developer, Django, Next.js, Retool Expert, Low-Code, Bubble, SaaS Development, API Integration.