Dmitry D.

🏆 $2M+ Earned on Upwork — Placing Me Among a Very Small Percentage of Freelancers on the Platform 👋 I'm a veteran PHP full stack developer with 25+ years of hands-on experience building scalable, high-performance web applications across PHP, JavaScript, Laravel and modern cloud-native stacks. From SaaS platforms and ERPs to eCommerce marketplaces, scrapers, LMSs, and automation tools - I’ve engineered over 700+ custom web solutions for startups, enterprises, and government clients worldwide. With a deep command of both backend and frontend technologies, I specialize in crafting robust full-stack architectures that scale to millions of users, run efficiently in production, and support complex business logic. 🏆 What I Bring to Your Project ✔️ 25+ years of experience in full-stack web development, backend engineering & cloud deployment ✔️ 700+ web & SaaS products shipped across 40+ industries ✔️ 98%+ client satisfaction rate on long-term projects ✔️ 100M+ end users served by platforms I've built ✔️ Reduced legacy system costs by 60% through full-stack modernization ✔️ Decreased API latency by 70% via PHP/Symfony optimization ✔️ Built 30+ automation tools & custom CRMs saving 1000s of manual hours ✔️ Migrated 50+ monoliths to modern modular & microservice architectures ✔️ Led cross-functional full-stack teams across 12 countries 🛠️ Tech Stack at a Glance Languages: PHP, JavaScript, TypeScript, SQL, HTML, CSS Backend: Symfony, Laravel, Zend, Express, Adonis.js Frontend: React, Vue, Angular, jQuery, Backbone, Ember DevOps: Docker, Ansible, Jenkins, Capifony, AWS, CloudFront DBs: MySQL, PostgreSQL, MongoDB, Neo4j, ClickHouse CMS/eCommerce: WordPress, Drupal, Magento, Sylius APIs & Tools: Stripe, PayPal, Google APIs, AWS, Twilio, Salesforce, YouTube ORMs: Doctrine ORM/ODM, Zend DB Table 🚀 My Full-stack Development Capabilities 📌 Backend Development (PHP / Node.js / APIs / Microservices) Expert in PHP 8.3, Symfony (4–6), Laravel, Zend, Express.js API-first development (REST, GraphQL), Swagger, API Platform High-performance systems with Redis, PostgreSQL, ClickHouse, MongoDB Cloud-native development with AWS Lambda, API Gateway, Aurora Serverless Message queues: RabbitMQ, SQS, Kafka, Mercure, Symfony Messenger PCI-DSS compliant apps, OAuth2 auth flows, encryption & security best practices Real-time dashboards with ReactPHP, Swoole, and WebSocket integrations Complex cron orchestration, CLI tools, caching layers, task queues 📌 Frontend Development (React, Angular, Vue, jQuery) Responsive UIs using React, Redux, Vue.js, AngularJS, Backbone Modern JavaScript (ES6+), TypeScript, Webpack, Vite, Gulp, Babel Headless CMS & frontend frameworks for eCommerce & SaaS Data-heavy dashboards, admin panels, custom CMS interfaces Advanced UI elements: Leaflet maps, Fabric.js, Three.js visualizations Bootstrap, Tailwind CSS, Material UI, Semantic UI 📌 Full-stack Architecture & DevOps Monolith → Microservices migration expert Dockerized environments, CI/CD pipelines (GitHub Actions, GitLab CI, Jenkins) Infrastructure as Code (Ansible, Packer), AWS Cloud (EC2, S3, CloudFront, Beanstalk) Composer, npm, Capifony, PHPUnit, Behat, Selenium for automated QA 🧠 Specialized Domains & Product Types SaaS (CRM, invoicing, analytics, HR, booking systems) Web automation, crawlers, scrapers, proxies, and bot detection handling eLearning platforms, SCORM/quiz engines, custom LMS Marketplaces, POS systems, ERP/Inventory, order management tools Web-to-print solutions, Chrome extensions, location-based services B2B dashboards, user portals, mobile admin tools (Cordova, React Native) 💼 Industries Served FinTech, LegalTech, PropTech, eCommerce, Healthcare, Travel, Real Estate Government & Defense, Education, Enterprise IT, Media & Publishing Startups (MVPs & scalable builds), Enterprise modernization, White-label platforms Whether you're launching a new SaaS product, migrating legacy systems, scaling to enterprise, or automating mission-critical workflows - I bring decades of real-world full-stack web development experience, technical leadership, and business-driven thinking to every line of code. 📩 Reach out to discuss your next full-stack PHP/JS project — I’m here to help you build it right from day one. ✅ Let’s Build Something that lasts