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When a business operation runs on people instead of systems, or when an AI layer drifts because it's answering from generic knowledge instead of the company's own data, or when three platforms are supposed to sync and none of them do, that's the kind of system I built. I build AI systems using Laravel and Python as the foundation. RAG pipelines, multi-agent workflows, LLM integrations, production backends with deep third-party integrations, compliance-grade where the domain demands it. ✦ Work that reflects this: » Built Therapy adherence workflow engine for a home medical equipment provider, 40+ states, millions of patients. Medicare only reimburses CPAP if documented compliance is proven within a fixed window. Built a system that monitors 12 trigger types per patient, low usage, mask leak, high AHI, missed downloads surfaces them by proximity to their reimbursement deadline, not just trigger volume. Every outreach outcome and compliance date writes back to the ERP in the same session. Integrated with device telemetry. Built each trigger type independently, a generic handler for all 12 would have made compliance auditing unmanageable at that scale. » Designed Patient intake pipeline for the same company. Agents were triaging faxes manually, re-keying data into the ERP, entering insurance tiers separately. Replaced the whole thing, document triage, patient matching, primary/secondary/tertiary insurance write-back, sales order creation, document attachment, all through the ERP's services layer in one session. ~70% reduction in intake processing time. » Shipped Virtual-first outpatient care platform for a NASDAQ-listed healthcare clinic. Two treatment journeys: overactive bladder and menopause. Symptom checking, daily tracking tools, behaviour recording, compliance reports auto-distributed to ordering physicians. Integrated Auth0, Redox, SurveyJS, Kommunicate, Convo, Twilio, Logrocket. Compliance surface: HIPAA, HITRUST, OWASP, SOC2, CURES. » RAG-based AI operations assistant for a 30-year insurance consultancy. Hard requirement: cannot answer outside its approved document scope. Each agency gets its own assistant trained only on their SOPs, no generic drift. Survey engine auto-generates customised audit guidelines per agency from submitted responses, versioned, admin-approved, downloadable as compliance PDFs. Audit handling time down 45%, staff training ramp-up cut by ~50%. » Loan origination flow for a non-bank lender, lead to settlement, with a live three-way sync between the custom platform, HubSpot, and the origination system. Any status change propagates to all three without manual reconciliation. » AI email triage system on N8N, classifies support, sales, and job applications, generates branch-specific replies using separate prompt templates per category, logs to Airtable, posts Slack summaries. Architecture built for a multi-agent upgrade, classifier, responder, and auditor agents running independently with shared memory. » E-commerce: AI fraud detection for bulk orders, automated product description and meta ad generation, AI image and media creation, OpenAI, Gemini, and Claude running in production on a high-volume DTC platform. ✦ Stack: Laravel · PHP · Python · React · Node.js · LangChain · OpenAI · Claude · Gemini · RAG · Pinecone · FAISS · Weaviate · Filament · Laravel Nova · PostgreSQL · MySQL · Redis · Docker · AWS · GCP · Brightree · Redox · HubSpot · Twilio · N8N · Auth0 · ElevenLabs ✦ Compliance: HIPAA · HITECH · HITRUST · GDPR · SOC2 · OWASP · PCI DSS · CURES

🌟 100% Job Success Score | Expert-Vetted Top 1% | Upwork Enterprise Partner 🌟 100+ projects delivered · $600K+ earned 🌟 Products generating millions in client revenue ⭐ Long-term client partnerships across US and Europe Your 𝐑𝐄𝐋𝐈𝐀𝐁𝐋𝐄 AI-powered development partner who won't miss 𝐃𝐄𝐀𝐃𝐋𝐈𝐍𝐄𝐒, won't break the 𝐁𝐀𝐍𝐊, and will deliver 𝐒𝐂𝐀𝐋𝐀𝐁𝐋𝐄 solutions that won't need to be rebuilt from scratch later. I built Zen Projects around a different model: AI-powered, AI-first development under senior oversight. ✅ You get the speed of modern AI tooling with the judgment of an experienced full stack developer on every decision. Marketing website in 5 days. MVP development in 4 weeks. Fixed price. No surprises. ------- I offer structured, fixed-price development packages for teams that need predictable timelines and zero budget surprises: ✔️ Marketing Website Development - $5,000 / 5 business days ✔️ Lean MVP Development - from $15,000 / ~4 weeks ✔️ Growth MVP Development - from $30,000 / ~6 weeks ✔️ Platform MVP Development - from $60,000 / 8-12 weeks Every package includes discovery, full specification, UI/UX design, senior-led development, staging review, and deployment. 𝐑𝐞𝐚𝐜𝐡 𝐨𝐮𝐭 𝐭𝐨 𝐝𝐢𝐬𝐜𝐮𝐬𝐬 𝐬𝐜𝐨𝐩𝐞 𝐚𝐧𝐝 𝐩𝐫𝐢𝐜𝐢𝐧𝐠 - I'll come back with a clear, fixed number before any work begins. 🧠 𝐅𝐮𝐥𝐥-𝐒𝐭𝐚𝐜𝐤 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 𝐒𝐞𝐫𝐯𝐢𝐜𝐞𝐬 ⚙️ Laravel Development & Full-Stack Web Development Senior Laravel development, Laravel Vue.js full-stack development, Laravel React development, Laravel Inertia development, Laravel Nuxt development. REST API development and GraphQL API development - fast, secure, built to scale. Laravel PHP development, multi-tenant SaaS development, Laravel admin panel development, Laravel e-commerce development. ⚛️ React & Vue.js Frontend Development React development, Vue.js development, Nuxt.js development, Next.js development, React frontend development, Vue frontend development. High-performance frontend web applications - component-driven architecture, clean state management, seamless REST API and GraphQL integration. React SaaS development, Vue.js SaaS development, React MVP development. 🚀 MVP Development & SaaS Development Fixed-price MVP development for early-stage startups and funded teams. Lean MVP development, Growth MVP development, Platform MVP development - built on proven Laravel and React or Vue.js full-stack architecture. AI-powered MVP development with structured discovery, full specification, and micro-milestone delivery. SaaS platform development, SaaS MVP development, web app MVP development. 🌐 Marketing Website Development High-performance marketing website development using Astro.js - static-first, edge-deployed, SEO-optimized marketing websites in 5 business days. Fast marketing website development without WordPress complexity or ongoing maintenance overhead. 🤖 AI-Powered Development & AI-First Development AI-first web application development, AI-powered SaaS development, AI-powered MVP development. I use AI as a force multiplier - accelerating full-stack development while maintaining senior-level Laravel and React architecture oversight. AI-powered development that ships faster without sacrificing code quality or long-term maintainability. 🔧 Fractional CTO & Technical Consulting Fractional CTO services, CTO as a service, technical consulting for startups and growing businesses. Senior full-stack development oversight, AI integration strategy, technical architecture planning, SOP creation, and operational process optimization. 🌟🌟🌟🌟🌟 "If I had to sum up what Dan and his team deliver: PEACE OF MIND." "By far one of the very best developers we've ever had the pleasure of working with." "I would unequivocally recommend Dan to anybody contracting development work within his portfolio." 🌟🌟🌟🌟🌟 Have a web application, MVP development, or SaaS development project in mind? Send me a message with a brief description and your budget - I'll respond within 24 hours with a clear scope, honest timeline, and whether my full-stack Laravel and React development services are the right fit. Keywords:Laravel developer, Vue.js developer, React developer, full stack developer, Laravel Vue developer, Laravel React developer, Nuxt.js developer, Astro.js developer, MVP development, SaaS development, SaaS platform, AI-powered development, AI-first development, web application development, custom web application, marketing website development, startup MVP, fixed price development, API development, REST API, GraphQL, PHP developer, Laravel PHP, frontend development, backend development, technical consulting, fractional CTO, CTO as a service, senior developer, full stack web development, web app development, Laravel SaaS, React SaaS, Vue SaaS, Nuxt SaaS, Inertia Laravel, WordPress development, PHP, AI-Powered Developent, Claude, Ai-Driven

🙋‍♂️ With over 10+ years of programming experience and more than 7+ years dedicated to Software Development and Information Technology, I have honed my expertise in a range of critical areas including Web and AI Application or Solution Development, Database Management, Server-Side Programming, and Software Management. 🧑‍💻 My approach to coding emphasizes maintainability and scalability throughout the entire software development lifecycle. When crafting web-based applications, I prioritize user experience as a paramount concern, ensuring that user interfaces are not only trendy and modern but also maintain a high level of professionalism. This dedication to user-centric design is where my proficiency in Front-End development shines, enabling me to deliver seamless and exceptional user experiences. On top of my expertise, I use Github Copilot , which makes my work crazy fast and smart, for quick client delivery. 🕵️‍♂️ Moreover, I specialize in efficiently managing data servers to ensure secure and smooth communication between the front-end application layer and the back-end layer, contributing to the overall robustness and reliability of software solutions. 🛎️ My Services 🔹 Small to Large Scale Web and AI application development from Scratch (N-Tier, Monolithic, Microservices) 🔹 AI application or solution development using Foundation Model (OpenAI API integrations, ChatGPT, DeepSeek or similar), text embedding, PineCone vector Database implementation for RAG (includes text and image training) or similar application. Custom AI chatbot, AI Agent or Knowledge-base development. Video tools using Veo 3, Sora, Kling AI or similar APIs. Go all Microsoft with Azure - OpenAI, AI Search, Vision AI, Custom Vision, Cosmos DB, Blob Container 🔹 Front-End Development using Vue.js (Vue 2 or Vue 3, HTML, CSS, ES6, TypeScript) 🔹 UI/UX or Prototype design using Figma 🔹 Figma design to Page development using HTML, CSS, JS or Vue.js 🔹 Responsive UI development for all screen sizes like desktop, mobile, tablet etc. (pixel perfect) 🔹 API integrations in the Front-End using AXIOS / Fetch or other. 🔹 Back-End API development using Node.js, Express.js, JWT for Security (Rest API) 🔹 Entire database development and management using MS SQL / MySQL / Firebase / Mongo 🔹 Automated / End-to-End Tests for any Website or API, using TestCafe (JavaScript framework) 🔹 Load / Stress test of API or Website using Octoperf, Kibana and Grafana 🔹 Any kind of Management System, E-Commerce, Social Media, or totally Custom Software Development. 🔹 Research and Develop any AI, particularly Machine Learning, based application or product 🔹 Data Visualization, Big Data analysis and Report generation from User or Business data 🔹 Deploying / Hosting web application using Amazon Web Services (AWS) or Custom 💼 Expert In 🔹 Front End: Vue 2 & 3, Nuxt, TypeScript, Axios, VUEX, Pinia, Bootstrap, Vuetify, Quasar, jQuery. 🔹 Back End / Server: Node.js, AWS (EC2, S3, Lambda), Express.js, GraphQL, CI/CD (Jenkins). 🔹 AI: OpenAI API integrations, ChatGPT, DeepSeek, Grok, Gemini or similar LLM usage, RAG operations, knowledge-base using PineCone vector database, AI chatbot or agent development. Azure - A. OpenAI, A. AI Search, A. Vision AI, Custom Vision, A. Cosmos DB, A. Blob Container 🔹 Database: MySQL, Firebase, MS SQL, PineCone (vector database) 🔹 Design Tools: Figma, Adobe XD, Adobe Photoshop, Adobe Illustrator. 🔹 Project Management Tool: Bitbucket, GitHub, Jira, Azure DevOps, MS Teams, Trello. 🔹 Other: ChatGPT or any LLM, Knowledge Base, NLP, Artificial-Intelligence based web application development. 🎓 Education 🔹 Master's Degree in Computer & Electrical Engineering, Canada. (2 yrs) 🔹 Bachelor's Degree in Computer Science & Engineering, Bangladesh. (4 yrs) Feel free to ping 👋 me on Upwork to discuss ideas. I am sure I can help you out with a Software Solution. If it doesn't match up, we can always go our own directions.

⭐⭐⭐⭐ "Eugene is a smart, highly communicative, and competent developer. He was able to quickly solve our issues and we are eager to work with him again." "Struggling with slow, outdated web apps or complex tech issues? " I specialize in optimizing and transforming digital experiences with cutting-edge AI and modern web technologies. With 15+ years of experience in full-stack development, I’ve built and optimized scalable, high-performance web applications that help businesses drive growth. My expertise lies in solving complex problems and delivering high-performance solutions across various industries, from SaaS and e-commerce to enterprise-level applications. I focus on creating robust, user-friendly web apps that not only meet your technical requirements but also drive business growth. ✅ Case Study 1: Project: API Integration for E-Commerce: I worked with an e-commerce platform to integrate a custom API for real-time product data and inventory management. This resulted in a 25% reduction in cart abandonment and improved overall user engagement. The integration streamlined operations and allowed for seamless product updates, driving a 30% increase in monthly sales. ✅ Case Study 2: Project: WordPress Maintenance & PHP Upgrade: For a WordPress client, I handled PHP upgrades from v7.4 to 8.x, ensuring full compatibility and improved site performance. This upgrade reduced load times by 40%, improved SEO rankings, and fixed critical security vulnerabilities. The client reported a significant drop in page load times, leading to a better user experience and higher conversion rates. ✅ What I Can Do for You: - Build scalable apps with React, Next.js, and Laravel. - Develop AI-powered solutions to enhance user experience and automate tasks. - Integrate APIs (payments, inventory, marketing tools, etc.). - Optimize MySQL & PostgreSQL for faster performance. - Maintain & upgrade existing WordPress sites for better security and performance. - Integrate Vue.js for modern, responsive web apps. - Troubleshoot and optimize systems for scalability, security, and speed. ✅ Industries I Work With: - SaaS & Tech Platforms - E-Commerce & Retail - AI Solutions - Healthtech & Fintech - Real Estate & Property 💼 If you need a reliable, results-driven developer to create or optimize your web application, integrate AI, or improve performance, let's connect! I’m here to help you achieve scalable, user-friendly solutions that drive business results. KEYWORDS: Full Stack Developer, React Developer, Next.js Developer, AI Solutions, AI Integration, Laravel Development, PHP Developer, Web Application Development, SaaS Development, MySQL Optimization, PostgreSQL Development, API Integration, WordPress Maintenance, E-commerce Development, Vue.js Development, Database Optimization, Web Performance Optimization, Custom API Integration, Frontend Development, Backend Development, Mobile App Development.

✔️ Drupal & WordPress Expert ✔️ Laravel & Vue.js Developer ✔️ 10+ Years Experience, 30K+ Upwork Hours ✔️ MVP & SaaS Specialist ✔️ Full Stack Web Development ✔️ AI-Powered Efficiency ✔️ AngularJS As an IT engineer and seasoned web developer, I build high-performance websites and applications that deliver measurable results. I specialize in Drupal and WordPress development, with a strong focus on security, scalability, and long-term maintainability. Over the past decade, I’ve developed enterprise SaaS platforms, optimized marketing sites for conversions, and built everything from lightweight landing pages to fully custom web applications. I'm just as comfortable working with modern site builders like Webflow and Squarespace as I am building backend systems in PHP, Python, or JavaScript. If you need something custom, from tools and dashboards to integrations and CMS extensions, I can architect, build, and maintain it without hand-holding. What I deliver: 🟢 Custom Drupal and WordPress development 🟢 Conversion-focused frontends with clean UX/UI using Elementor, Gutenberg, and Avada 🟢 Secure, scalable backend systems and API integrations (PHP, Laravel, custom endpoints) 🟢 Performance optimization and technical SEO 🟢 Fast, ongoing support and DevOps where needed 🟢 ADA compliance and accessibility improvements based on WCAG 2.1 standards 🟢 HIPAA, SOC 2, and GDPR-compliant development practices for data privacy and security 🟢 Marketing and analytics integration including GCLID, GTM, GA4, and Meta Pixel Notable projects include: 🏛️ New York University 🏛️ University of New South Wales 🏛️ ADRC Wyoming (nonprofit accessibility initiative) I’ve also worked with multiple Upwork Enterprise clients to improve their web presence and business outcomes. Let’s build something reliable, fast, and built to scale. Skill Highlights: ❯ Drupal, WordPress, PHP, Python/Flask, JavaScript, React ❯ Webflow, Wix, Squarespace, Framer, HubSpot CMS ❯ Performance Optimization, Conversion Strategy, Technical SEO ❯ Custom Tools, API Integrations, Backend Systems ❯ Docker, Pantheon.io, Platform.sh, WP Engine, Azure DevOps ❯ Linux Servers, Nginx, DigitalOcean, AWS, MySQL ❯ Security Audits, GDPR, SOC2 Compliance ❯ Git, Lighthouse Scoring, Cross-Browser QA

Senior Full Stack Developer | Web & Mobile Apps | Laravel, React, Next.js, Vue, Nuxt, Node.js, React Native I’m a Senior Full Stack Developer specializing in both Web and Mobile App Development, with strong expertise in Laravel, React.js, Next.js, Vue.js, Nuxt.js, Node.js, and React Native. I build scalable SaaS platforms, high-performance web applications, and cross-platform mobile apps with modern architecture, clean code, and AI-powered features. 💡 TECH STACK & EXPERTISE • Backend: Laravel, PHP, Node.js, Express.js • Frontend (Web): React.js, Next.js, Vue.js, Nuxt.js, JavaScript (ES6+), TypeScript • Mobile Apps: React Native (iOS & Android), API-based mobile apps • Styling: Tailwind CSS, Bootstrap, SASS, SCSS • Databases: MySQL, PostgreSQL, MongoDB • APIs: REST API, GraphQL, Third-party integrations • SaaS Development: Multi-tenant apps, subscriptions, billing systems • Payments: Stripe, PayPal integration • AI Integrations: OpenAI API, ChatGPT, automation systems • Admin Panels: Laravel Nova, Filament • DevOps & Tools: Git, GitHub, Docker, CI/CD, AWS, Vercel, DigitalOcean 🚀 WHAT I CAN BUILD • Full Stack Web Applications (Laravel + React / Vue / Next / Nuxt) • Cross-Platform Mobile Apps (React Native for iOS & Android) • SaaS Platforms (Scalable & multi-tenant architecture) • Custom Dashboards & Admin Panels • API Development & Third-party Integrations • AI-powered Apps & Automation Tools • E-commerce & Subscription-based Platforms 📱 MOBILE APP EXPERTISE • React Native Apps (iOS + Android) • API Integration with Mobile Apps • Push Notifications • Firebase Integration • App Performance Optimization • Clean UI/UX with responsive design ⚡ KEY SKILLS • Scalable Architecture & System Design • Clean, maintainable code • Performance Optimization • Secure Application Development • Responsive Web & Mobile UI • Debugging & Problem Solving 🎯 WHY CHOOSE ME • Strong communication & fast response • Deadline-focused & reliable • Long-term collaboration mindset • Business-focused solutions • High-quality, production-ready apps 🎯 If You Need: ✔ A Laravel SaaS Developer ✔ A Full Stack Laravel Developer (Web & Mobile) ✔ A React / Next.js / Vue / Nuxt Expert ✔ A React Native Mobile App Developer (iOS & Android) ✔ AI Integration into your Web or Mobile App ✔ A Scalable Startup / SaaS Architecture ✔ REST API / GraphQL API Development ✔ A Long-term Technical Partner ✔ Laravel Vue.js Full Stack Developer ✔ PHP Laravel Vue.js Developer ✔ Full Stack Laravel React Developer ✔ Full Stack Laravel Vue Developer ✔ Laravel API & Vue.js Developer ✔ Laravel SaaS Application Developer ✔ Senior Full Stack Laravel Developer ✔ Laravel AWS Cloud Developer ✔ Laravel + React Native App Developer ✔ Node.js & Full Stack JavaScript Developer ✔ MERN / MEVN Stack Developer 🚀 Click “Invite” or “Hire” — and let’s build something powerful. 🔎 Core Expertise Laravel Developer • Senior Laravel Developer • Full Stack Developer • Full Stack Laravel Developer • PHP Laravel Developer • Laravel SaaS Development • Laravel Vue.js Developer • Laravel React Developer • Vue.js Developer • React.js Developer • Next.js Developer • Nuxt.js Developer • Node.js Developer • Express.js Developer • React Native Developer • Mobile App Developer (iOS & Android) SaaS Application Development • Multi-Tenant SaaS Architecture • Startup MVP Development • REST API Development • GraphQL API • API Integration • Third-party API Integration • Payment Gateway Integration • Stripe API • PayPal Integration AWS Deployment • AWS EC2 • AWS S3 • AWS SES • Docker • CI/CD • GitHub • Vercel • DigitalOcean MySQL • PostgreSQL • MongoDB • Database Design • Query Optimization Tailwind CSS • Bootstrap • SASS • SCSS • Vite • Responsive Design • UI/UX Development AI Integration • OpenAI API • ChatGPT Integration • AI Automation • AI SaaS Applications Web Application Development • Mobile App Development • Cross-platform Apps • High-performance Scalable Systems