Hire the Best Payment Gateway Integration Specialists
in Bangladesh

With over 14 years of experience, I specialize in transforming complex business requirements into scalable web applications that drive real revenue growth. My expertise spans full stack development, AI integration, and payment solutions, ensuring that every project I undertake is both innovative and robust. Core Expertise & Skills Backend Development 1. PHP: Developing robust applications since 2007 2. Laravel: Building enterprise-grade applications since 2012 3. Livewire: Real-time interfaces for modern web apps 5. API Development: RESTful services handling millions of requests 6. Database Design: MySQL optimization for high-traffic systems AI & Code Auditing 1. AI-driven code verification for enhanced accuracy 2. Comprehensive code reviews to ensure quality and security 3. Migrating legacy systems to AI-driven platforms for modern business needs Payment Solutions 1. Stripe / Stripe Connect: Certified expert with 50+ marketplace integrations since 2014 2. Payment Orchestration: Designing and implementing complex payment systems 3. E-commerce: Complete online store development and optimization Frontend & UI/UX 1. WordPress: Crafting dynamic websites since 2010 2. Modern CSS: Tailwind CSS, Bootstrap responsive design 3. Figma: Mastery in creating intuitive UI/UX designs 4. JavaScript: Dynamic interfaces and real-time functionality 6. Performance: Sub-3-second load times on complex applications MCP Experience 1. Figma, WordPress, Laravel: Mastery in creating and managing complex projects Additional Technologies 1. React.js, Python, Vue.js: Proficient in understanding and coding with AI assistance Data Analysis & Visualization 1. Analytical insights for data-driven decision making 3. Creating visualizations to simplify complex data sets Enterprise Integration 1. CRM Systems: Zoho CRM, custom business workflows 2. Marketing Automation: Email sequences, customer lifecycle management 3. Third-party APIs: Google services, social authentication, AI chatbots Cloud & DevOps 1. AWS & Digital Ocean: Scalable infrastructure deployment 2. Laravel Forge: Automated deployment and server management 3. Git/GitHub: Version control and collaborative development Professional Experience 1. Built 100+ web applications across various industries 3. Specialized in SaaS platforms and e-commerce solutions 4. Led development teams and mentored junior developers 4. Consulted for Fortune 500 companies and funded startups Key Achievements 1. Generated $50M+ in client revenue through platforms I've built 2. Maintained 99.99% uptime across all production applications 3. Improved client conversion rates by 30-50% consistently 4. Recognized by Stripe as integration methodology contributor 5. My Development Approach I focus on building solutions that scale with your business growth. Every project includes: 1. Future-proof architecture designed for expansion 2. Security best practices with PCI compliance when needed 3. Performance optimization for exceptional user experience 4. Comprehensive documentation for long-term maintainability Ideal Project Types 1. SaaS application development and migration 2. E-commerce platforms with complex requirements 3. Payment system integration and optimization 4. Custom web applications for growing businesses 5. API development and third-party integrations I work best with ambitious businesses ready to invest in quality solutions that drive measurable results. Ready to discuss your project? Let's build something exceptional together.

Hi, I'm a full time freelancer Stripe developer working in Upwork since 2011 and have completed 70+ projects including some large projects. ***I have expert knowledge in: ✅ Languages & Frameworks: PHP, CodeIgniter, jQuery, Ajax, JavaScript, CSS, HTML etc. ✅ APIs: Stripe, Vonage, Twilio, Telegram, Dropbox, Google Map, 1up and other third-party APIs. ✅ Server: AWS, Linux Server Installation/Setup, Configuration and Management. ***Specialist in: ✅ CodeIgniter: Any kinds of CodeIgniter Web Application Development or Modification. ✅ Stripe API Integration: Stripe Subscription or Recurring Payment, Stripe-Webhook, Stripe-PAD, Stripe-Affirm, Stripe-Klarna, Stripe-Charges, Stripe-Customer-Portal and any kinds of other Stripe related task. ***Why I'm the best for your web development service? ✅ 100% Client Satisfaction and Client Recommendation! ✅ Near 24/7 Availability - Always find a convenient time that works best for you. There is absolutely no need for you to adapt your busy life/work schedule to get this project done. ✅ More than 10 years in Web Development, Mostly specialized on back-end and high load, but also good at front-end! I look forward to working with you. Thanks for reading. Please ping me if you need any of my services or have any question. I'm open for any new long-term/short-term contract. Kind regards, Mozammel H.

Hi there! 👋 I’m a GoHighLevel & Voice AI Expert who helps businesses never miss a lead, automate their sales, and grow faster. I build premium websites, smart automations, and Voice AI agents that work for you 24/7. Here’s how I can help: ✅ GoHighLevel CRM & Automation – funnels, pipelines, workflows, SMS/email campaigns, reminders ✅ Voice AI Build – AI agent that answers calls, books appointments, sends reminders & follows up automatically ✅ Premium Website Design – modern, mobile-friendly, conversion-focused sites & landing pages ✅ Lead Scraping & Prospecting – targeted, verified leads ready to import into your CRM ✅ Workflow Automation – connect tools like Zapier to save time and boost ROI Whether you’re an agency, small business, or solo entrepreneur — I’ll set up systems that bring you more clients on autopilot 🚀

I am a professional Squarespace developer and e-commerce specialist with 13+ years of experience building modern, responsive, and conversion-focused websites. I help businesses create powerful online experiences using Squarespace, Jotform, custom coding, and domain/DNS management. Whether you need a brand-new website, migration from WordPress, advanced forms, or technical troubleshooting, I can deliver reliable and professional solutions. My expertise includes: • Squarespace Website Design & Development • Squarespace Ecommerce Setup • WordPress to Squarespace Migration • Custom CSS, JavaScript & Code Injection • Jotform Forms & Workflow Automation • Domain Transfer & DNS Configuration • Google Workspace & Email Setup • SEO Optimization • Mobile Responsive Design • Payment Gateway Integration • Booking & Membership Systems • Website Speed & Performance Optimization Why work with me? ✔ 13+ Years of Professional Experience ✔ Squarespace Circle / Gold Circle Member ✔ Fast Communication & Reliable Support ✔ Clean, Modern & SEO-Friendly Design ✔ Technical Problem Solver ✔ Long-Term Client Support I have successfully worked with businesses, clinics, ecommerce stores, ranches, service companies, and startups worldwide. If you are looking for a dependable Squarespace professional who understands both design and technical systems, I would love to help with your project.

Top Rated Expert WordPress Website Developer, WooCommerce, and Laravel Developer with 7+ years of experience building high-converting ecommerce websites, business websites, and custom web applications. (You can hire me & create the milestone as a refundable deposit under your control - You can release it only if you are 100% satisfied with the work.) ******** Vibe coding Expert ************ I specialize in GoHighLevel, Elementor-based WooCommerce stores, checkout optimization, payment gateway integration, and scalable WordPress solutions. For more advanced custom requirements, I also develop Laravel-based platforms, SaaS applications, and custom business systems. ⭐ 500+ websites completed ⭐ Top Rated Upwork freelancer ⭐ Long-term partnerships with agencies and growing brands 💡 What I Deliver ✔ WooCommerce store setup & customization ✔ Conversion-focused product & checkout optimization ✔ Custom WordPress themes and plugin customization ✔ Figma to WordPress (pixel-perfect builds) ✔ Payment gateway integration (Stripe, PayPal, etc.) ✔ Shipping, tax & subscription setup ✔ Speed optimization & Core Web Vitals improvements ✔ Security hardening & safe migration 💡 Ecommerce Growth & Optimization ✔ SEO-friendly store structure ✔ Upsells, cross-sells & cart optimization ✔ Abandoned cart improvements ✔ Analytics & tracking setup 💡 AI Tools & Automation ✔ Claude ✔ ChatGPT / OpenAI ✔ Cursor ✔ GitHub Copilot ✔ Lovable ✔ Base44 ✔ GoHighLevel ✔ Zapier ✔ Make ✔ n8n ✔ V0 ✔ Bolt.new ✔ Google Gemini 💡 Used for: ✔ AI chatbots ✔ Workflow automation ✔ Content generation ✔ Faster website and app development with modern design 💡 Advanced Custom Solutions When projects require more than a standard store, I also develop scalable custom systems and SaaS platforms using Laravel. 💡 Tech Stack WordPress, WooCommerce, Elementor, PHP, Laravel, MySQL, REST API, Stripe, PayPal. I build eCommerce websites that don’t just look good — they convert, scale, and generate revenue. SEARCH ME FOR: WordPress Developer, Website Builder, Elementor Expert, Elementor Pro Developer, WooCommerce Expert, WooCommerce Customization, WooCommerce API Integration, GoHighLevel Expert, Go High Level, GHL Setup, Workflow, API, Custom Dev, CPT & ACF Expert, Gutenberg Specialist, Kadence Theme Expert, Beaver Builder Developer, Thrive Architect Expert, Speed Optimization, Website Migration, Website Redesign, Website revamped, WPML Multilingual Expert, Security & SSL Setup, Custom Theme Development, Custom Plugin Development, SEO-Friendly Website Hire a WP professional to manage WordPress website and WooCommerce Online Shop. Web Developer for your Web Design and Development, Domain & Hosting, SSL, Security, and optimization requirement. Let’s build a business website that grows your business.

I help startups and growing businesses build reliable 𝐒𝐚𝐚𝐬 𝐩𝐫𝐨𝐝𝐮𝐜𝐭𝐬, 𝐏𝐚𝐲𝐦𝐞𝐧𝐭 𝐬𝐲𝐬𝐭𝐞𝐦𝐬, and 𝐀𝐈-𝐩𝐨𝐰𝐞𝐫𝐞𝐝 𝐰𝐨𝐫𝐤𝐟𝐥𝐨𝐰𝐬 that are production-ready. 𝐈’𝐦 𝐚 𝐒𝐞𝐧𝐢𝐨𝐫 𝐅𝐮𝐥𝐥-𝐒𝐭𝐚𝐜𝐤 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫(𝒲ℯ𝒷&ℳℴ𝒷𝒾𝓁ℯ) 𝐚𝐧𝐝 𝐒𝐭𝐫𝐢𝐩𝐞/𝐏𝐚𝐲𝐦𝐞𝐧𝐭𝐬 𝐒𝐩𝐞𝐜𝐢𝐚𝐥𝐢𝐬𝐭 𝐰𝐢𝐭𝐡 $𝟏𝟓𝟎𝐤+ 𝐞𝐚𝐫𝐧𝐞𝐝 𝐨𝐧 𝐔𝐩𝐰𝐨𝐫𝐤 𝐚𝐧𝐝 𝟏𝟓𝟎+ 𝐬𝐮𝐜𝐜𝐞𝐬𝐬𝐟𝐮𝐥𝐥𝐲 𝐝𝐞𝐥𝐢𝐯𝐞𝐫𝐞𝐝 𝐩𝐫𝐨𝐣𝐞𝐜𝐭𝐬, 𝐢𝐧𝐜𝐥𝐮𝐝𝐢𝐧𝐠 𝐩𝐥𝐚𝐭𝐟𝐨𝐫𝐦𝐬 𝐩𝐫𝐨𝐜𝐞𝐬𝐬𝐢𝐧𝐠 𝐦𝐢𝐥𝐥𝐢𝐨𝐧𝐬 𝐢𝐧 𝐚𝐧𝐧𝐮𝐚𝐥 𝐫𝐞𝐯𝐞𝐧𝐮𝐞. ❇️ I focus on outcomes that matter: 🔹Higher checkout conversion 🔹Fewer payment failures 🔹Faster product launches 🔹Secure, scalable architecture ❇️Why clients hire me: 🔹Clean, reliable implementation 🔹Clear communication and on-time delivery 🔹Strong ownership from planning to production 𝐑𝐞𝐜𝐞𝐧𝐭 𝐜𝐥𝐢𝐞𝐧𝐭 𝐟𝐞𝐞𝐝𝐛𝐚𝐜𝐤 (𝟓 star): “Saidur is an excellent developer who goes above and beyond to get the job done. I recommend Saidur for any work you need done. 5 Stars from Me.” “I’m bringing Saidur back for the Google Cloud setup because his work quality is consistently high... clean, secure implementations... confident in the outcome.” ❇️ Core expertise: 🔹Full-stack web and mobile development 🔹SaaS platforms (multi-tenant, RBAC, subscriptions, billing) 🔹Stripe integrations (Checkout, Subscriptions, Connect, Webhooks, Invoicing, Tax, Payouts, SCA/3DS, ACH, SEPA, Apple Pay, Google Pay) 🔹Payment migrations (between Stripe accounts or from other gateways) 🔹AI features (OpenAI/ChatGPT, RAG, function calling, agentic workflows, AI automation) 🔹API development and integrations (REST, webhook-driven systems) 🔹MVP development (rapid build to production-ready architecture) ❇️ AI/LLM capabilities: 🔹Prompt design and tool/function workflows 🔹RAG pipelines (embeddings, vector search, reranking) 🔹AI + rule-engine hybrid systems 🔹Deployment patterns (queues, workers, caching, monitoring) ❇️ Tech stack: 𝐁𝐚𝐜𝐤𝐞𝐧𝐝: Node.js, Python, Next.js, NestJS, Laravel, CodeIgniter, CakePHP, WordPress, Java, MySQL, MongoDB, Supabase 𝐅𝐫𝐨𝐧𝐭𝐞𝐧𝐝: React, Next.js, React Native, Vue, TypeScript, Tailwind CSS 𝐃𝐞𝐯𝐎𝐩𝐬/𝐂𝐥𝐨𝐮𝐝: Docker, Kubernetes, Nginx, AWS, GCP (Cloud Run, Cloud SQL), Terraform, Ansible, Jenkins, Grafana, CI/CD automation, infrastructure as code (IaC), load balancing, CDN, monitoring, logging, and observability. 𝐈𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐢𝐨𝐧𝐬: Stripe, PayPal, WorldPay, Plaid, Mollie, Scalapay, Zapier, Pabbly, QuickBooks, FreshBooks, Pipedrive, Mailchimp, Facebook Pixel, Google Analytics, and many more. If you need a developer who can build, fix, and scale your product with quality and speed, send me a message with your goals and timeline. I can start with a quick technical assessment and clear implementation plan. Thanks, Saidur Rohman