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Platforms handling 10K+ products | 5K+ active users | Up to 60% faster operations ⚡ 𝐓𝐑𝐘 𝐁𝐄𝐅𝐎𝐑𝐄 𝐘𝐎𝐔 𝐇𝐈𝐑𝐄 I'll take one real task from your backlog and 𝗰𝗼𝗺𝗽𝗹𝗲𝘁𝗲 𝗶𝘁 𝗳𝗼𝗿 𝗳𝗿𝗲𝗲🔥 - so you can evaluate the quality, and speed. Available for new projects - Aug 24 𝐈𝐟 𝐈 𝐟𝐢𝐧𝐝 𝐦𝐲𝐬𝐞𝐥𝐟 𝐝𝐨𝐢𝐧𝐠 𝐬𝐨𝐦𝐞𝐭𝐡𝐢𝐧𝐠 𝐭𝐰𝐢𝐜𝐞, 𝐈 𝐛𝐮𝐢𝐥𝐝 𝐚 𝐬𝐲𝐬𝐭𝐞𝐦 𝐟𝐨𝐫 𝐢𝐭. That mindset usually ends up saving my clients weeks (sometimes months) of manual work. My core expertise 𝐅𝐮𝐥𝐥-𝐒𝐭𝐚𝐜𝐤 𝐖𝐞𝐛 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 End-to-end development (MVP to production) for SaaS platforms, B2B systems, and marketplaces — multi-tenant architecture, role-based systems, and high-load readiness. 𝐀𝐈 & 𝐀𝐮𝐭𝐨𝐦𝐚𝐭𝐢𝐨𝐧 𝐈𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐢𝐨𝐧 LLM-powered tools, workflow automation, and internal systems that reduce manual work and streamline operations (OpenAI, LangChain, n8n). 𝐄𝐜𝐨𝐦𝐦𝐞𝐫𝐜𝐞 & 𝐌𝐚𝐫𝐤𝐞𝐭𝐩𝐥𝐚𝐜𝐞 𝐏𝐥𝐚𝐭𝐟𝐨𝐫𝐦𝐬 Building platforms that manage 10,000+ products, support multi-vendor setups, and handle payments and high traffic. 𝐀𝐏𝐈 & 𝐒𝐲𝐬𝐭𝐞𝐦 𝐈𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐢𝐨𝐧 Complex integrations with third-party services (payments, CRM/ERP, internal tools) and building reliable, well-structured APIs that connect web and AI systems. 𝐌𝐨𝐛𝐢𝐥𝐞 𝐀𝐩𝐩𝐥𝐢𝐜𝐚𝐭𝐢𝐨𝐧𝐬 (𝐢𝐎𝐒 & 𝐀𝐧𝐝𝐫𝐨𝐢𝐝) Cross-platform apps (Flutter) with real-time data and backend integrations, available on request alongside web builds. 🔥 SELECTED RESULTS 1) 𝐄𝐜𝐨𝐦𝐦𝐞𝐫𝐜𝐞 𝐏𝐥𝐚𝐭𝐟𝐨𝐫𝐦 (Laravel + Next.js) 10,000+ SKUs, multi-vendor architecture Improved page load speed by 40% (+18% conversion rate) Handles 20,000+ monthly users with stable performance 2) 𝐆𝐨𝐯𝐞𝐫𝐧𝐦𝐞𝐧𝐭 𝐀𝐮𝐭𝐨𝐦𝐚𝐭𝐢𝐨𝐧 𝐒𝐲𝐬𝐭𝐞𝐦 Reduced processing time from 3 days to 4 hours (–92%) 200+ active users across departments Automated document workflows (near-zero manual errors) Fully traceable, compliance-ready system 3) 𝐇𝐞𝐚𝐥𝐭𝐡𝐓𝐞𝐜𝐡 𝐌𝐨𝐛𝐢𝐥𝐞 𝐀𝐩𝐩 (Flutter) Reduced booking time by 60% (from 5 min to 2 min) 5,000+ active users in early stage Increased appointment completion rate by 25% Real-time API integrations with clinic systems 🔥STRONGEST INDUSTRIES 𝐄𝐜𝐨𝐦𝐦𝐞𝐫𝐜𝐞 & 𝐌𝐚𝐫𝐤𝐞𝐭𝐩𝐥𝐚𝐜𝐞𝐬 - custom platforms, multi-vendor, payments 𝐒𝐚𝐚𝐒 & 𝐁𝟐𝐁 𝐏𝐨𝐫𝐭𝐚𝐥𝐬 - subscriptions, dashboards, role-based systems 𝐀𝐈 & 𝐀𝐮𝐭𝐨𝐦𝐚𝐭𝐢𝐨𝐧 - LLM, OpenAI API, chatbots, workflows Also serving: HealthTech, Logistics & Operations, Government & Enterprise Full-Stack & Web PHP (Laravel) • JavaScript • Vue 3 • React • Next.js • Nuxt.js • REST API • MySQL • PostgreSQL AI & Automation Python • OpenAI API • LangChain • Chatbots • n8n • Custom Automation Pipelines Backend & Systems Laravel • Node.js • API Development • Payment Integrations • Custom SaaS & B2B Solutions Mobile Flutter (iOS + Android) • Firebase • REST API Integration 📩 𝐒𝐄𝐍𝐃 𝐌𝐄 𝐀 𝐓𝐀𝐒𝐊 𝐎𝐑 𝐅𝐄𝐀𝐓𝐔𝐑𝐄 You'll get a working result - before you decide to hire. KEYWORDS Full Stack, Web Development, Custom Software Development, Laravel, Node.js, React, Next.js, Vue.js, PHP, JavaScript, API Development, REST API Integration, AI Solutions, AI Automation, AI Integration, OpenAI API, LLM Integration, Chatbot, Workflow Automation, Business Process Automation, n8n, SaaS Development, SaaS Platform, B2B Portal Development, MVP Development, Startup Development, Third-Party Integrations, CRM, ERP Integration, Dashboard, Admin Panel, Web Design, PostgreSQL, MySQL, Payment Integration, Stripe Integration, Ecommerce Development, Marketplace Development, Multi-vendor Platforms, System Integration, Automation, Digital Transformation, HealthTech, Mobile App Development, App Development, Mobile App, Flutter, Firebase

Thinking about building a SaaS or AI product? 🚀 𝗙𝗿𝗲𝗲 𝟑𝟎-𝗠𝗶𝗻𝘂𝘁𝗲 𝗧𝗲𝗰𝗵𝗻𝗶𝗰𝗮𝗹 𝗖𝗼𝗻𝘀𝘂𝗹𝘁𝗮𝘁𝗶𝗼𝗻 - Available Today 21.08 In a 30-minute consultation, I'll help you validate your idea, define your MVP, prioritize features, and identify the fastest path to launch before you spend money on development. I'm a 𝗙𝘂𝗹𝗹 𝗦𝘁𝗮𝗰𝗸 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿 specializing in PHP, Laravel, Node.js, MySQL, JavaScript, and React. I build scalable SaaS platforms, REST APIs, logistics systems, healthcare software, CRM, ERP, marketplaces, admin dashboards, and custom web applications for startups and growing businesses. 𝗣𝗹𝗮𝗻𝗻𝗶𝗻𝗴 𝗮 𝗣𝗛𝗣, 𝗟𝗮𝗿𝗮𝘃𝗲𝗹, 𝗡𝗼𝗱𝗲.𝗷𝘀, 𝗼𝗿 𝗥𝗲𝗮𝗰𝘁 𝗽𝗿𝗼𝗷𝗲𝗰𝘁? Book a FREE 30-minute consultation today. I'll review your requirements, recommend the best architecture, estimate the project scope, identify technical risks, and suggest the most efficient development approach before you spend a dollar. PHP Developer • Laravel Developer • Node.js Developer • Full Stack Developer • MySQL • JavaScript • React • REST API Development • SaaS Development What I Can Build ✔️ PHP Laravel Applications ✔️ Node.js Applications ✔️ Custom Web Applications ✔️ REST API Development ✔️ SaaS Platforms ✔️ CRM & ERP Systems ✔️ Logistics Platforms ✔️ Healthcare Applications ✔️ Admin Dashboards ✔️ API Integrations ✔️ Payment Gateway Integrations ✔️ Business Automation ✔️ React & Next.js Frontends Backend Development Using PHP, Laravel, Node.js, MySQL, and JavaScript, I develop scalable backend systems designed for performance and long-term growth. Services include: • REST API Development • Authentication & Authorization • Database Design • MySQL Optimization • Third-Party API Integrations • Payment Integrations • Queue Processing • Business Logic Development • Performance Optimization • SaaS Architecture Frontend Development I build responsive applications with React, Next.js, JavaScript, TypeScript, and HTML, delivering fast, SEO-friendly, and user-focused interfaces. Industries • SaaS • Logistics & Transportation • Healthcare • FinTech • eCommerce • CRM & ERP • Marketplaces • Business Automation • Startup MVP Development Why Clients Hire Me ✔️ Clean, maintainable code ✔️ Scalable architecture ✔️ Reliable communication ✔️ Fast delivery ✔️ Performance optimization ✔️ Long-term technical support ✔️ Business-focused solutions Technologies PHP • Laravel • Node.js • MySQL • JavaScript • HTML • React • Next.js • TypeScript • Express.js • NestJS • REST API • GraphQL • PostgreSQL • Docker • Git Specializations PHP Developer • Laravel Developer • Node.js Developer • Full Stack Developer • MySQL Developer • JavaScript Developer • REST API Development • SaaS Development • Custom Web Application Development • Backend Development • API Integration • CRM Development • ERP Development • Logistics Software Development • Healthcare Software Development • React Developer • Next.js Developer • eCommerce Development

Full lifecycle: requirements analysis and architecture design through implementation, maintenance, and growth of SaaS products - so founders can focus on the business, not the build. For the past years I ran a crowdsourced logo design platform: 75,000 B2B clients, 14M logos, 99.9% uptime against a 99.75% SLA. At peak I led a team of 7 while remaining the primary engineer on core systems. Experienced with large production codebases without regressions - test coverage, migrations, and zero-downtime deployment. I onboard quickly into unfamiliar teams and projects. SKILLS System Design, Database Design, JavaScript, PHP, MySQL, Node, React, TypeScript, Redis, ElasticSearch, Docker, Ansible, PayPal integration, Nginx, PostgreSQL, Apache Kafka, Sphinx, Cloudflare, S3, SVG, LESS, jQuery, XSLT, Mocha, Selenium, Vite, TailwindCSS, A/B testing, PDF rendering. WORK HISTORY 2008 - 2026 Quinn Ventures Inc. Technical Lead and Software Engineer, working directly with the founder - a continuous Upwork engagement. Owned core architecture for all SaaS products and day-to-day engineering across multiple technology generations. Built and led a team of up to 7 (developers, system administrators, designers), scaling it up and down by project phase - hiring and onboarding, work breakdown, code review, and release planning while staying hands-on in the codebase. LogoTournament - a crowdsourced logo design platform: 75,000 B2B clients, 14M logos. Highlights: - Sustained 99.9% uptime against a 99.75% SLA across 18 years of continuous development - Migrated the platform through three infrastructure generations with zero downtime: storage (local → Rackspace → S3), search (Sphinx → ElasticSearch), plus two full front-end rebuilds - Payments: credit card and PayPal, multi-tier pricing, fraud protection - chargeback rate below 1% - Performance: Redis session and page caching; Kafka for delayed processing, notifications, analytics; Rate Limiting - Admin back-end with performance, statistics, and feedback tracking; sales history, tax, and payment-hold reporting - UI: Production A/B testing for new features, vector drawing and annotation tools, React-based admin back-end. - OpenAI integration for portfolio classification and contest brief analysis - Infrastructure: Ansible IaC, Cloudflare WAF, monitoring/alerting/backups, Mocha/Selenium functional tests Skills: MySQL, PHP, Redis, Apache Kafka, SVG, LESS, React, JavaScript, Docker, ElasticSearch, A/B testing, Sphinx, Node, Mocha, Selenium, Ansible, Ubuntu, Linux, OpenAI, S3 NameSampler - AI-powered SaaS for Quinn Ventures, a modern stack and LLM orchestration: React + TypeScript (Vite, Tailwind CSS), Node, OpenAI integration, deployed on Ubuntu. GUI orchestration of LLM prompts across 83 structured naming methodologies. Features: sorting, favorites, and on-the-fly domain availability checks. Internal product venture, sunset by the client. Skills: Nginx, React, TypeScript, Vite, Tailwind CSS, Node, OpenAI. PathJet - Productivity SPA for Quinn Ventures: Kanban board with integrated Pomodoro timer and productivity analytics. Built end-to-end - React front-end, PHP back-end. Internal product venture, sunset by the client. Skills: React, JavaScript, PHP, Node, Babel, ES6, PostgreSQL Plus numerous other products over the years. The engagement concluded in June 2026, when AI image generation made the LogoTournament business model obsolete. Reference available from Tyler Quinn, CEO, Quinn Ventures Inc. (Canada). EARLIER EXPERIENCE (2003 - 2013) 99znakov (discontinued) Daily Commute Carpooling & Dating Platform. A two-sided marketplace matching drivers and passengers on overlapping daily routes via geo and time analysis. Features: SMS API integration, in-app chat, social user profiles, content moderation, and a community forum. Role: Founder, lead developer, and project manager; team of 3. Skills: PostgreSQL, PHP, Zend, JavaScript, jQuery, Sockets, Android WebView app Online stock trading system - Core architecture, database schema, and optimization for a multi-server trading platform: bank offer submission, AJAX market indexes, inline editing, dynamic XSLT, subscriptions, and a custom Win32 trading browser with technical analysis (EMA, SMA, RSI). Arabic language support. Long-term Upwork engagement. Skills: Sockets, AJAX, XSLT, PostgreSQL, PHP. Role: Lead developer and project manager, team of 4. Sports league management system - League, facility, player, and team management with manual and automatic game scheduling, contract and time-slot operations, and CSV reporting. Role: PHP middle developer in a team. Automated car park software - Operator console, billing with multiple tariff plans, photo/video capture, magnetic card reader and controller programming. Role: UI, database design, and billing; startup team of 3. PERSONAL SIDE PROJECT Reverse-engineered and modified the China-market infotainment system of a 2020-2023 Chevrolet Equinox ADDITIONAL PADI licensed diver.

I help SaaS teams build scalable, high-performance Angular applications used in production. With 12+ years of commercial experience, I specialize in complex admin dashboards, reactive architectures, and NgRx-driven state management. 🔹 Angular (v12–v22) 🔹 Advanced RxJS patterns 🔹 NgRx Store / Effects / Entity 🔹 Performance optimization 🔹 Enterprise frontend architecture What I can help you with: ✅ Build complex Angular dashboards ✅ Refactor messy legacy code ✅ Fix performance bottlenecks ✅ Design scalable state management ✅ Improve maintainability of large apps If your Angular app is growing fast and starting to hurt — I can help stabilize and scale it.

If you’re looking for a senior web engineer or system architect who can deliver reliable, scalable solutions — you’re in the right place. With 20+ years of hands-on experience in web development, backend architecture, and infrastructure, I help businesses build, optimize, and scale their digital products. I’m available for both long-term collaborations and short-term contracts. ⸻ What I Bring to Your Project Backend & Application Development • PHP 7/8 (Laravel, Symfony, Zend, Slim, Yii, CodeIgniter) • Node.js (Express.js, Nest.js, Meteor.js) • REST / SOAP / RPC API development • Mobile app backend architecture • Fintech and payment solutions Cloud & Infrastructure • AWS, Google Cloud, Azure, DigitalOcean, Yandex Cloud • IaaS / PaaS / SaaS architecture • Kubernetes, Docker • CI/CD pipelines, DevOps automation • Linux server administration & monitoring • LAMP / LEMP / MERN / MEAN stacks Integrations & Specialized Solutions • Payment / Email / SMS / Voice gateway integrations • Marketing & transactional mailing systems • GPS tracking & navigation software • OpenStreetMap / OSRM integrations • Video streaming (Flussonic, Wowza, OvenMediaEngine) • Server-side video processing (FFMPEG) • E-commerce (Shopify, Magento, WooCommerce, OpenCart, BigCommerce) • WordPress (themes & plugins) • Sales funnels & custom business logic Frontend • HTML, CSS • React, Vue, Angular Databases • SQL / NoSQL systems Other • Reverse engineering • Performance optimization • Bug fixing & legacy system stabilization • Minor experience in Ballerina / Choreo ⸻ AI-Enhanced Development Workflow I actively use modern AI-powered development tools to increase productivity, accelerate debugging, improve code quality, and speed up delivery — without compromising architecture or long-term maintainability. Within the scope of my technical expertise, AI allows me to: • Prototype faster • Refactor and optimize more efficiently • Detect edge cases earlier • Improve documentation and testing coverage This means faster turnaround times and better results for your project. ⸻ I believe in balancing development speed with long-term product quality. Moving too fast creates technical debt; moving too slow kills momentum. My goal is to deliver clean, scalable solutions — efficiently and responsibly. If this sounds like what you’re looking for, feel free to reach out. Let’s build something solid. Thank you for your time.

Thinking about building a SaaS product or adding AI to an existing application? 🚀 𝗙𝗿𝗲𝗲 𝟑𝟎 𝗠𝗶𝗻𝘂𝘁𝗲 𝗟𝗮𝗿𝗮𝘃𝗲𝗹 𝗕𝗮𝗰𝗸𝗲𝗻𝗱 𝗮𝗻𝗱 𝗔𝗜 𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻 𝗥𝗲𝘃𝗶𝗲𝘄 - Available Today 24.08 During the consultation, I will review your requirements, identify technical risks, suggest the right Laravel architecture, and explain how AI can be integrated into your product. I'm a 𝗣𝗛𝗣 𝗟𝗮𝗿𝗮𝘃𝗲𝗹 𝗕𝗮𝗰𝗸𝗲𝗻𝗱 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿 specializing in PHP, Laravel, MySQL, REST API Development, API Integration, SaaS Development, and AI App Development. I build scalable SaaS platforms, booking systems, CRM and ERP software, marketplaces, healthcare applications, admin dashboards, and custom web applications for startups and growing businesses. 𝗣𝗹𝗮𝗻𝗻𝗶𝗻𝗴 𝗮 𝗣𝗛𝗣, 𝗟𝗮𝗿𝗮𝘃𝗲𝗹, 𝗔𝗣𝗜, 𝗼𝗿 𝗔𝗜 𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻 𝗽𝗿𝗼𝗷𝗲𝗰𝘁? Book a free consultation. I will review your current backend or product idea, recommend the right Software Architecture and Design, estimate the scope, and suggest the most practical development approach. PHP Developer • Laravel Developer • Backend Developer • MySQL Developer • API Developer • AI Integration • AI App Development • REST API Development • SaaS Development What I Can Build ✔️ PHP Laravel Applications ✔️ Laravel Backend Systems ✔️ Custom PHP Applications ✔️ REST API Development ✔️ API Integrations ✔️ SaaS Platforms ✔️ AI Powered Applications ✔️ Booking and Reservation Systems ✔️ CRM and ERP Systems ✔️ Marketplaces ✔️ Healthcare Applications ✔️ Admin Dashboards ✔️ Payment Gateway Integrations ✔️ Business Automation ✔️ Custom Web Applications Backend Development Using PHP, Laravel, Symfony, MySQL, PostgreSQL, MongoDB, and Redis, I develop scalable backend systems designed for performance, security, and long term growth. Services include: • REST API Development • API Integration • Authentication and Authorization • Database Design • MySQL Optimization • PostgreSQL Development • Third Party API Integration • Payment Integrations • Queue Processing • Background Jobs • Business Logic Development • Performance Optimization • Custom PHP Development • Laravel Application Upgrades • SaaS Architecture • Software Architecture and Design AI Integration I integrate Artificial Intelligence into new and existing PHP Laravel applications. AI services include: • OpenAI API Integration • Claude API Integration • Gemini API Integration • LLM Integration • RAG Systems • AI App Development • AI Model Integration • AI Chatbots • Intelligent Search • Document Processing • Personalized Recommendations • Provider and Customer Matching • Demand Forecasting • Dynamic Pricing • Workflow Automation • Customer Support Automation The focus is always practical. AI should reduce manual work, improve customer experience, automate repetitive processes, or help users make better decisions. Frontend and Mobile Integration I build Laravel backends and REST APIs for applications using React, Vue.js, Angular, JavaScript, TypeScript, and React Native. I can connect the backend with: • React Applications • Vue.js Applications • Angular Applications • React Native Mobile Apps • Node.js Services • External CRM and ERP Systems • Payment Providers • Cloud Services • Third Party Business Tools I also work with HTML, HTML5, CSS, CSS 3, Bootstrap, jQuery, and Custom PHP when improving or modernizing an existing web application. Industries • SaaS • Booking and Reservations • Hospitality • Healthcare • Logistics and Transportation • FinTech • eCommerce • CRM and ERP • Marketplaces • Business Automation • Startup MVP Development Why Clients Hire Me ✔️ 12+ years in Software Development ✔️ 105+ shipped products ✔️ Strong PHP and Laravel experience ✔️ Clean and maintainable code ✔️ Scalable backend architecture ✔️ Practical AI Integrations ✔️ Reliable communication ✔️ Performance optimization ✔️ Clear technical direction ✔️ Long term technical support Technologies PHP • Laravel • Symfony • Custom PHP • MySQL • PostgreSQL • MongoDB • Redis • Node.js • NestJS • JavaScript • TypeScript • React • Vue.js • Angular • React Native • HTML • HTML5 • CSS • CSS 3 • Bootstrap • jQuery • REST API • GraphQL • OpenAI • Claude • Gemini • RAG • AWS • Google Cloud • Docker • Kubernetes • Git Specializations PHP Developer • Laravel Developer • PHP Laravel Backend Developer • Backend Development • MySQL Developer • REST API Development • API Integration • SaaS Development • AI Integration • AI App Development • Custom PHP Development • Software Development • Software Architecture and Design • CRM Development • ERP Development • Booking Platform Development • Marketplace Development • Healthcare Software Development • Business Automation • Web Development