Hi, I’m Md. Shafayatul Haque — a Senior Mobile & Web Application Developer with 12+ years of experience building scalable, high-performance applications for startups and growing businesses. I specialize in developing cross-platform mobile apps, SaaS platforms, and custom web applications using modern technologies like Flutter, Laravel, React, Nodejs and RESTful APIs. My focus is on delivering clean, maintainable, and scalable solutions that support long-term business growth. 🚀 What I Do Best ✔ Cross-platform Mobile App Development (Flutter — Android & iOS) ✔ SaaS Platform & Custom Web Application Development ✔ Backend Development & REST API Architecture ✔ Scalable Systems with Role-Based Access & Secure Architecture ✔ WordPress Custom Theme & Plugin Development 🧠 My Approach I don’t just write code — I build products with a strong technical foundation: ✔ Clean, scalable architecture for long-term success ✔ Performance-optimized and maintainable code ✔ Clear communication with regular progress updates ✔ Reliable delivery — on time, every time 💼 Additional Advantage Alongside my freelance work, I lead an in-house development team at Encoder IT Limited. This allows me to scale projects efficiently when needed while maintaining full technical control and quality standards. 📩 Let’s Work Together If you're looking for a developer who understands both business goals and technical execution, I’d be happy to help. Let’s discuss your project and turn your idea into a reliable, scalable product.

🏆 Top Rated Plus Full Stack & Mobile App Developer | React Native Developer | Web App Development | iOS & Android Development | Hybrid App Developer | Node.js | Next.js | 𝟖+ 𝐘𝐞𝐚𝐫𝐬 𝐨ｆ 𝐄𝐱𝐩𝐞𝐫𝐢𝐞𝐧𝐜𝐞 | 𝟏𝟎𝟎% 𝐉𝐨𝐛 𝐒𝐮𝐜𝐜𝐞𝐬𝐬 𝐑𝐚𝐭𝐞 | 𝐓𝐨𝐩 𝐑ated Plus Helping startups, entrepreneurs, and enterprises build scalable, high-performance web and mobile applications. As an expert Full-Stack Developer with over 8 years of experience, I specialize in React Native for cross-platform mobile development and robust backend systems to deliver production-ready, feature-rich solutions. Whether you need a brand-new MVP built from scratch or a skilled engineer to collaborate with a large development team on complex architectures, I provide high-quality results, full-time availability, and excellent communication. 𝐓echnology 𝐒tack & 𝐄xpertise ✔️ Mobile App Development: React Native, Expo, Hybrid App Development, iOS & Android Deployment, Ionic Framework ✔️ Frontend Web Development: React.js, Next.js, Vue.js, Nuxt.js, TypeScript, HTML5, CSS3, Bootstrap ✔️ Backend & API Development: Node.js, NestJS, Express.js, Ruby on Rails, Laravel, Python, Django, RESTful APIs, GraphQL ✔️ Databases & DevOps: PostgreSQL, MySQL, MongoDB, Oracle, MariaDB, CouchDB, Neo4j, Docker, Heroku, Linux Server Administration ✔️ Project Workflows: Git (GitHub, BitBucket, GitLab), Jira, Trello, Asana, CI/CD pipelines 𝐈ndustries & 𝐀pplications I bring a wealth of experience in building end-to-end applications across diverse domains: • E-commerce & Marketplace Platforms • On-Demand & Delivery Services • SaaS Web & Mobile Applications • FinTech & Secure Payment Apps • Healthcare & Booking Systems • Social Networking & Real-Time Chat Apps • Custom Enterprise Management Systems 𝐖𝐡𝐚𝐭 𝐘𝐨𝐮 𝐆𝐞𝐭 𝐖𝐨𝐫𝐤𝐢𝐧𝐠 𝐖𝐢𝐭𝐡 𝐌𝐞 ✔ 8+ Years of Proven Industry Experience: Deep technical expertise across the entire development lifecycle. ✔ 100% Job Success Rate: A track record of elite performance, reliability, and high client satisfaction. ✔ Full-Time Availability: Dedicated support with a response time of under 30 minutes. ✔ Clean & Scalable Architecture: Secure, maintainable code optimized for performance and future growth. ✔ Intuitive UI/UX Focus: Ensuring seamless, engaging user experiences for both mobile and web. 📩 Have a project in mind? Send me a message with your app idea, feature list, or project requirements. Let's collaborate on Upwork to bring your digital vision to life! Best Regards, Mohit K. 𝐇𝐢𝐠𝐡𝐥𝐢𝐠𝐡𝐭𝐞𝐝 𝐒𝐤𝐢𝐥𝐥𝐬: Mobile App Development | React Native Developer | Full Stack Developer | Web App Development | iOS App Development | Android App Development | Hybrid App Development | Cross-Platform Developer | React Native App Development | Node.js | Next.js | NestJS | TypeScript | Frontend Development | Backend Development | API Integration | REST API | UI/UX Design | MVP Development | Database Management | PostgreSQL | MongoDB | MySQL | Docker | Startup App Development | Enterprise Software | App Deployment | Git

Is your website ranking well on Google but invisible on AI-driven search engines like ChatGPT, Claude, or Gemini? The shift from keyword-based SEO to AI and LLM-driven ranking systems is redefining how visibility works online. Businesses that fail to adapt are losing organic reach, not because their content is bad, but because AI doesn’t understand or trust it yet. This is where Generative Search Optimization (GSO) and LLM SEO strategies become essential. As an AI Ranking & SEO Expert, I help brands and agencies optimize for AI-powered visibility using a blend of Generative Search Optimization (GSO), LLM insights, and technical SEO. My goal is to align your website with how AI engines rank, interpret, and present content, ensuring you remain competitive in the age of generative search. Here’s how I improve your AI rankings: ✓ Conduct AI-focused SEO audits to detect content comprehension and visibility gaps. ✓ Build a Generative SEO strategy aligned with LLM search behaviors. ✓ Optimize your site architecture, topical authority, and semantic signals for AI relevance. ✓ Continuously monitor AI-driven rankings and refine for better performance. By merging AI intelligence with SEO expertise, I ensure your content not only ranks, but leads in AI search visibility. If you’re ready to scale your reach across both Google and generative search platforms, I can help.

Expert Virtual Assistant specializing in Real Estate Support, Research Analysis, Data Entry, CRM Management, and Web Research. Skilled in delivering highly accurate, detail-oriented administrative support and building verified B2B lead databases. Experienced in data validation, lead generation, database management, and market research, ensuring clean, organized, and actionable data that helps businesses streamline operations and drive growth. Administrative Support: Handling daily tasks to streamline your business operations. CRM Management: Organizing and updating leads in HubSpot, Salesforce, or Excel. Data Entry & Mining: Fast and accurate data collection from web sources to structured sheets. B2B Lead Generation: Finding verified emails and decision-makers using LinkedIn Sales Navigator. 💼 My Core Services ✅ Real Estate Virtual Assistance, Research Analyst ✅ Data Entry (Excel, Google Sheets, CRM) ✅ B2B Lead Generation & Prospect List Building ✅ LinkedIn Lead Generation & Contact Research ✅ Web Research & Data Collection ✅ Email List Building & Verification ✅ CRM Data Management & Data Cleaning ✅ Company & Decision-Maker Research 🛠 Tools I Use 🔹 LinkedIn Sales Navigator 🔹 Apollo 🔹 ZoomInfo 🔹 Lusha 🔹 SignalHire 🔹 Excel & Google Sheets 🔹 CRM Platforms (HubSpot, Salesforce, etc.) ⭐ What You Can Expect ✔️ High-quality and verified data ✔️ Fast turnaround time ✔️ 100% attention to detail ✔️ Clear communication and regular updates ✔️ Client satisfaction as my top priority I am committed to delivering reliable results that help businesses grow and succeed. If you need a dedicated Data Entry and Lead Generation specialist, I’m ready to help. 📩 Let’s connect and discuss how I can support your project.

🌟 🌟 🌟 TOP RATED PHP DEVELOPER AND AUTOMATION/WORKFLOW EXPERT🌟 🌟 🌟 I am a PHP/MySQL developer with more than 10 years of professional experience, and it would be a pleasure to offer you my services in PHP, CSS3, HTML5, jQuery, jQuery UI, MySQL, Ajax, JSON, WordPress, CodeIgniter, and Laravel. With a strong technical foundation and hands-on expertise, I am confident that my skills can contribute significantly to your project’s success. I work extensively with GoHighLevel, helping businesses streamline CRM, automate marketing campaigns, manage pipelines, and enhance customer communication. Whether you need advanced automation, lead management, or workflow optimization, I can help you make the most of the platform. I am experienced with automation tools such as Zapier, Make.com, and N8N, enabling seamless integrations, automated workflows, and efficient data syncing across various applications. In addition, I provide DNS management and server-related services, including configuration and troubleshooting. I also specialize in AWS services such as: Amazon S3 (file storage, backups) Amazon SQS (queue management) Amazon EC2 (server setup, optimization, deployment) Redis (caching & performance optimization) Website migration across servers or hosting environments I have strong experience integrating major payment gateways such as PayPal, Stripe, Worldpay, przelewy24, Payumoney, 2Checkout, Paytm, and Braintree. I am team-oriented, analytical, and passionate about solving challenges. My work is budget-friendly, reliable, and always delivered on time. I aim to exceed client expectations and bring value to every project. I would be delighted to join your team and contribute my expertise to help your company grow. #PHPDeveloper #CodeIgniterExpert #WordPressSpecialist #LaravelPro #AngularDeveloper #VueJS #WebDevelopment #PHPMySQL #FrontendDevelopment #BackendDevelopment #DNSManagement #AWS #S3 #SQS #EC2 #Redis #WebsiteMigration #PaymentGatewayIntegration #OnTimeDelivery #FullStackDeveloper #ResponsiveDesign #MarketingAutomation #CRM #Zapier #Make #N8N #10YearsExperience #ProfessionalDeveloper #CustomWebSolutions #ProfessionalDevelopment #PHPFrameworks #GoHighLevelServices #MarketingAutomation #CRM #Zapier #Make.com #N8N

🌟 TOP-RATED consistently from Last 5 Years. 🏆 50+ Successful Projects On Upwork. 🏅 13K+ Upwork Hours 🏅 10+ years of experience Need more qualified leads, sales, and online visibility? I help businesses grow through Google Ads, Meta Ads, SEO, and Social Media Marketing. With 10+ years of experience, 13,500+ Upwork hours, and a Top Rated badge, I focus on one thing: generating measurable business growth. I have successfully helped eCommerce businesses, local businesses, healthcare providers, real estate companies, home service businesses, startups, and professional service firms improve their online visibility and generate qualified leads. My Core Expertise: ✅ Google Ads Management • Google Search Ads • Google Shopping Ads • Performance Max Campaigns • Display Advertising • Remarketing Campaigns • Conversion Tracking Setup (GA4 & GTM) • Google Ads Optimization • PPC Campaign Management ✅ Meta Ads (Facebook Ads & Instagram Ads) • Lead Generation Campaigns • Facebook Advertising • Instagram Advertising • Retargeting Campaigns • Brand Awareness Campaigns • Conversion-Focused Ad Campaigns • Audience Research & Campaign Optimization ✅ Search Engine Optimization (SEO) • Technical SEO • On-Page SEO • Off-Page SEO • Local SEO • Keyword Research • Competitor Analysis • Link Building • SEO Audits • Google Business Profile Optimization • Search Engine Ranking Improvement ✅ Social Media Marketing • Facebook Marketing • Instagram Marketing • LinkedIn Marketing • TikTok Marketing • X (Twitter) Marketing • Social Media Strategy • Organic Social Media Growth • Community Management • Content Calendar Creation • Social Media Engagement ✅ Content Marketing & Lead Generation • Content Strategy • Content Creation • Reels & Short-Form Video Marketing • Brand Awareness Campaigns • Lead Generation Funnels • Landing Page Optimization • Conversion Rate Optimization Why Work With Me? - Top Rated Freelancer on Upwork - 13,500+ Hours Successfully Completed - 55+ Completed Projects - 10+ Years of Digital Marketing Experience - Proven Experience in Google Ads, Meta Ads, SEO, and Social Media Marketing - Focused on ROI, Leads, Sales, and Long-Term Growth Whether you need help with Google Ads Management, Facebook Ads, Instagram Ads, SEO Services, Local SEO, Social Media Marketing, Lead Generation, or a complete Digital Marketing Strategy, I can create a customized plan to help you achieve your business goals. Let's discuss your project and explore how we can increase your traffic, generate more qualified leads, and grow your revenue. Send me a message today to get started.

Executive Assistant | Admin Support | GoHighLevel CRM Manager | Customer Support I help CEOs, founders, and business owners stay organized, manage daily operations, and free up their time by handling the tasks that keep their businesses running smoothly. With 5+ years of experience in Virtual Assistance, Executive Assistance, Customer Support, CRM Management, and Operations, I have supported businesses across marketing, sales, cleaning services, media, and other industries. What I Do Best • Executive and Administrative Support Calendar management, inbox handling, meeting notes, follow ups, and internal coordination • GoHighLevel CRM Management Updating pipelines, opportunity cards, call notes, follow up dates, client support, and reporting • Operations and Team Coordination Scheduling teams, managing bookings, collecting reports, and ensuring smooth daily workflows • Sales and Lead Support Cold calling, lead generation, customer support, and sales follow ups • Marketing and Communication Support Email campaigns, drip marketing, social media posting, commenting, and client outreach Professional Experience Highlights • Executive VA for Juanpa Global Managed CEO calendar, personal inbox, social media activity, and support emails • VA for HIGH KEY Handled full GoHighLevel CRM management, sales call tracking, opportunity updates, meeting synopses, and client support • VA for MP Star Professionals Managed operations for a cleaning business including scheduling, bookings, and reports • VA for D Wood Media Agency Handled client outreach, email communication, and appointment booking • VA for Soldiers M8 Performed cold calling and customer support Skills and Tools • Executive & Administrative Support • Virtual Assistance • GoHighLevel (GHL) CRM Management • CRM Management & Pipeline Management • Customer Support & Client Communication • Email Management & Follow-ups • Calendar & Appointment Scheduling • Lead Generation & Cold Calling • Data Entry & Web Research • Task & Operations Coordination • Google Workspace • Microsoft Office (Excel, Word, PowerPoint, Outlook) • HubSpot CRM • ClickUp • Trello • Airtable • Bookkeeping & Expense Tracking • Email Marketing & Drip Campaigns • Reporting & Spreadsheet Management • Basic Graphic Design & Video Editing I am highly fluent in spoken and written English with an American accent and known for being organized, reliable, and proactive. I maintain a professional home office with a dedicated high speed internet connection and can work across different time zones, including full time and extended hours of 60+ hours per week if required. If you are looking for a Virtual Assistant who takes ownership, understands systems, and genuinely supports your business growth, I would love to be part of your team. Let’s build something great together. Yusra Muhammad Hayat

I am a skilled web developer specializing in Shopify and full-stack development, with 11+ years of experience building scalable, high-performing web applications and custom, conversion-focused online stores that drive business growth. I have successfully developed custom Shopify apps, integrated payment systems and automation tools, and delivered robust e-commerce solutions tailored to business needs. My focus is on building secure, optimized, and growth-driven applications using modern technologies like JavaScript, React, and Node.js. I have strong experience with Shopify Online Store 2.0 architecture and have worked extensively with popular themes like Dawn, Sense, and Craft, as well as premium themes such as Impulse and Prestige. ➡️ Tech Stack I'm Experienced In : Frontend⋙ React.js, Next.js, JavaScript (ES6+), HTML5, CSS3 Backend⋙ Node.js (Express.js, NestJS), TypeScript, API development (REST, GraphQL) E-commerce⋙ Shopify (Liquid, Polaris, APIs, CLI) Database⋙ MySQL, PostgreSQL, MongoDB, Redis Tools & Workflow⋙ Git, GitHub, CI/CD pipelines ➡️ Services For E-commerce Development (Shopify) I Provide : ▣ Full-scale Shopify store development (Shopify 2.0) ▣ Custom Shopify app development (Private & Public Apps) ▣ Shopify API & Shopify GraphQL API integrations ▣ Shopify CLI-based development workflows ▣ Shopify Liquid theme development & customization ▣ Shopify POS integrations & omnichannel solutions ▣ Headless commerce (Shopify Hydrogen, Next.js, React.js) ▣ Third-party integrations (payments, shipping, ERP, CRM, automation tools) ▣ Store migration (WooCommerce, custom platforms → Shopify) ▣ Performance optimization, CRO & scalability improvements ▣ Security best practices & ongoing maintenance ➡️ Full-Stack Development Services I Can Offer : ▣ Build scalable SaaS platforms and custom web applications ▣ Develop fast frontends using React.js and Next.js ▣ Create secure backend systems with Node.js (REST & GraphQL APIs) ▣ Implement API-first and headless architecture ▣ Add real-time features and microservices-based systems ▣ Set up cloud deployment (AWS, Vercel) and CI/CD pipelines ▣ Optimize performance (Core Web Vitals, caching, CDN) ▣ Design scalable databases (SQL & NoSQL) If you are looking for a reliable developer who can handle both Shopify and full-stack development while understanding your business goals, feel free to reach out. I would be happy to discuss your project.

15+ Years of WordPress & PHP Expertise | Delivering Fast, Bespoke & High-Converting Websites Looking for a seasoned developer who bridges the gap between clean custom code and stunning visual design? With over 15 years of experience building, customizing, and scaling WordPress websites, I help businesses turn complex digital requirements into high-performing web solutions. Whether you need a fully custom PHP theme, bespoke plugin integration, or a complete design revamp, I write clean, maintainable code optimized for speed, security, and mobile responsiveness. Core Expertise & Technical Skills: WordPress & Custom PHP: Custom theme development from scratch, child theme customization, and template overrides. Front-End & Interactive UI: HTML5, CSS3/SASS, JavaScript, jQuery, and responsive mobile-first layouts. Design & UI/UX: Translating Adobe Creative Suite / Figma designs into pixel-perfect, clean WordPress builds. E-Commerce Solutions: Complete WooCommerce setups, secure payment gateway integrations (Stripe, PayPal), and checkout optimization. Performance & Maintenance: Site speed optimization, database cleanup, troubleshooting PHP errors, and ongoing site upkeep. Why Work With Me? Clear & Direct Communication: You get direct access to a veteran developer who understands business goals, not just code. Long-Term Support: Many of my clients have worked with me for years because I build reliable sites and offer ongoing maintenance. Clean, Scalable Code: No bloated themes or unnecessary plugins—just lightweight, fast-loading sites built to convert. Ready to discuss your project? Click the "Invite to Job" button or send me a message, and let’s talk about how we can bring your vision to life!

You have a product idea or a half-built app, and you need a developer who will actually own it, not just take instructions and disappear. Full Stack Developer with 8+ years of experience building SaaS platforms, fintech products, and AI-integrated web applications for clients across the US, UK, Australia, Germany, and beyond. 250+ projects delivered internationally covering MVPs, SaaS platforms, web and mobile apps. Clients have trusted me to take their ideas from zero to live product. Recently I built a fintech payment platform integrating Open Banking for a European client. The client said: "He communicated clearly, managed everything, and delivered high quality." Here's how it works: you share your idea or existing codebase. I ask the right questions upfront, map out a clear plan, and build in milestones so you always know where things stand. I work across the MERN stack (MongoDB, Express, React, Node.js) plus Next.js, Laravel, Supabase, and the OpenAI API, choosing what fits your project. Clean, documented code you can maintain after handover. I don't take on more than I can deliver. If something is outside my scope I'll tell you upfront, not halfway through the project. If you're building a SaaS, marketplace, or AI-powered product and need a developer who communicates well and finishes what he starts, send me a message and let's talk. Core stack: React, Next.js, Node.js, Express, MongoDB, Laravel, PHP, React Native, TypeScript, REST APIs, Supabase, PostgreSQL, OpenAI API, Stripe, payment gateway integration.