Harshdeep S.

Top-Rated Certified Full Stack Developer with 14+ years of experience building high-performance websites, web apps, mobile apps, PaaS, and SaaS across industries like E-Commerce, FinTech, Education, Beauty, Fitness, On-Demand, LMS, Social Media, Healthcare, and many more. 𝐂𝐨𝐫𝐞 𝐒𝐤𝐢𝐥𝐥𝐬:- -- Frontend Development: React.js, Next.js, JavaScript, TypeScript, HTML5, CSS3, Tailwind CSS, Bootstrap 5, Vite, Astro -- Backend Development: PHP 8.3+, Laravel 11+, Node.js, Express.js, REST API Development, GraphQL, MVC, Microservices -- Mobile App Development: React Native, Expo, Flutter, Dart, Android, iOS, Cross-Platform App Development -- Database Management: MySQL, PostgreSQL, MongoDB, Redis, Firebase, Supabase, SQLite, Database Optimization -- CMS & eCommerce: WordPress, WooCommerce, Shopify, Headless WordPress, Headless Shopify, Webflow, Custom Plugin & Theme Development -- API & Integrations: REST APIs, GraphQL, Webhooks, Stripe, PayPal, Razorpay, Google Maps API, Firebase, AI/LLM API Integration -- Cloud & DevOps: AWS, S3, EC2, CloudFront, Lambda, Cloudflare, Docker, CI/CD, GitHub Actions -- Server Management: Linux, Ubuntu, Nginx, Apache, PHP-FPM, VPS Management, Server Deployment -- Authentication & Security: JWT, OAuth 2.0, Laravel Sanctum, Firebase Authentication, RBAC, OWASP, GDPR -- Performance Optimization: Core Web Vitals, Lighthouse, Website Speed Optimization, Caching, CDN, Lazy Loading, SEO-Friendly Development -- Mobile Features: Push Notifications, Google Maps, GPS Integration, Biometric Authentication, Deep Linking, Offline Storage -- Testing & Tools: Git, GitHub, Postman, Swagger, PHPUnit, Pest, Jest, Detox, Appium, Firebase Crashlytics 𝘼𝙫𝙖𝙞𝙡𝙖𝙗𝙞𝙡𝙞𝙩𝙮: ⏱ 40+ hours/week 🌎 Flexible with time zones **I am always eager to learn new technologies and build modern, scalable, and high-performance mobile and web applications using top-notch tech stacks.** 𝟏𝟎𝟎% 𝐡𝐢𝐠𝐡-𝐪𝐮𝐚𝐥𝐢𝐭𝐲 𝐰𝐨𝐫𝐤, 𝐨𝐧-𝐭𝐢𝐦𝐞 𝐝𝐞𝐥𝐢𝐯𝐞𝐫𝐲, 𝐭𝐫𝐚𝐧𝐬𝐩𝐚𝐫𝐞𝐧𝐭 𝐜𝐨𝐦𝐦𝐮𝐧𝐢𝐜𝐚𝐭𝐢𝐨𝐧, 𝐚𝐧𝐝 𝐛𝐮𝐝𝐠𝐞𝐭 𝐟𝐥𝐞𝐱𝐢𝐛𝐢𝐥𝐢𝐭𝐲 𝐭𝐨 𝐚𝐥𝐢𝐠𝐧 𝐰𝐢𝐭𝐡 𝐲𝐨𝐮𝐫 𝐠𝐨𝐚𝐥𝐬. Let's connect and discuss your requirements. Happy to help you!!