Hire the Best PayPal Professionals

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

Top Rated USA Based! Online Payments Specialist. 10+yrs of experience with Low & High Risk Merchants Utilizing Shopify WIX Woo eCommerce Platforms. Specializing in Startups and able to service enterprise level merchants also. Happy to help with the following: - Native Gateway Integration for popular platforms like Shopify, Wix, and WooCommerce (eliminating cart redirects) - Automated Recurring Payments for subscription-based "subscribe & save" offerings - A convenient Buy Now Pay Later option for your customers - An Invoice Feature that allows you to send payable email invoices and text payment links - Comprehensive Credit Card Payment Processing capabilities - Options for Crypto Payment Processing - Echeck Payment Processing functionality - Integrated AI Marketing Tools to support your promotional efforts - Advanced Fraud Tools to protect your transactions - Chargeback Alerts to help you manage payment disputes - ApplePay integration for seamless mobile payments - QuickBooks Integration for streamlined accounting - POS systems and Card Readers for efficient in-person sales * Worldwide Payments Solutions for Any Region and Products or Service type * Navigating the challenges High Risk Merchant Account Setup * Multiple MID's for volume load balancing or different region coverage * Fast Timelines for Approval, Integration, and Deployment * Full project management from start to finish Constant Communication is key to me when dealing with something as important as your sales revenues and functionality. Let's keep in touch, Aloha!

Greetings, Thank you so much for visiting my profile. We’re living in a modern economy. The business has evolved, and customers expect not just products and services, but high-quality customer service as a standard. Customer satisfaction has a huge impact on your business's success. A low satisfaction level means your customer retention and loyalty levels will likely be below too. |♦|The services I can perform are: Call Support • Live chat operator • Email Support • Handle Property management • Answering product Question • Order Tracking • Communication Etiquette • Shopify • Order Fulfillments • Customer Satisfaction • MS-Office • Google sheet • Social Media • Translator If you are unsure about anything, we can discuss everything on hand to give you the best service with satisfaction. Feel free to check FAQs or shoot me a message through Upwork to get your work started with confidence. |♦| Please have a look at the tools I have worked for: ✔️ Live Chat Support ✔️ Email Support ✔️ Phone support ✔️ Zadarma (calling app) ✔️ Airbnb ✔️ HomeAway ✔️ Booking.com ✔️ Phone.com ✔️ Google voice ✔️ Hospitable ✔️ Vrbo ✔️ Agoda ✔️ Airtable ✔️ Guesty ✔️ Smoobo ✔️ Kross booking ✔️ New book ✔️ HomeAway ✔️ Charge Automation ✔️ Shopify ✔️ CRM ✔️ New voice media (calling app) ✔️ Ring central ✔️ Hurrier ✔️ Road Runner ✔️ Leverage ✔️ Freshdesk ✔️ Helpscout ✔️ Zoho CRM ✔️ Slack ✔️ JVZOO ✔️ Zendesk ✔️ Trello ✔️ Leverage ✔️ Freshdesk ✔️ Gorgeous ✔️ Tawk to ✔️ Reamaze ✔️ Signal ✔️ Many chats ✔️ Service Point ✔️ Google sheet ✔️ Microsoft Office ✔️ The command in Data Entry ✔️ 17 track ✔️ Deepl.com ♦ Social Media: ♦ Facebook ♦ Instagram ♦ Linked In ♦ WhatsApp ♦ Twiter ♦ Telegram |♦| I have great experience in customer service in other languages. I have already worked in these languages: || Dutch || Spanish || German ||Italian || English (US & British) || Portuguese || Norway || Swedish || Finnish || Danish |♦| I have done the following projects: |♦| Customer support for Airbnb in Austria (Chat support) • Live chat support (Airbnb, Booking.com & WhatsApp) • Handling 200+ properties • Handling Inquiries • Respond to customers within a minute and resolve their queries • Confirm bookings after receiving the all needed documents. • Informs cleaners about their schedule. |♦| Administrative Coordinator (Property management) • Quality control • Team Leading • Check all yesterday's performances (Day shift & Night Shift) • Check all messages that are responded to by our team. • Mention all the pending tasks on the task tracker (Airtable) • Check the customer's necessary documents for bookings • Handling the Owner's all accounts • Make a schedule for the cleaner and inform them • Confirm the customer's booking after completing the document • Informs the owner of necessary things • Handling maintenance issues. • Respond to customers and resolved their issue |♦| Admin Support for the game as a claimer (24/7) • Handling 60+ Messanger chats group. • Respond to all players within a minute. • Handling Inquiries. • Claimed back the payment from another player's account • Send the payment to other players • Keep an eye on the whole game. (24/7) |♦| Virtual Assistant for Shopify store (Worldwide) • Tickets Solving • Orders fulfillment • Orders tracking • Provide Solutions to Customer's Queries • Checking the Google Sheet where the order input automatically • Send the Google sheet to the Supplier after checking all details • Fulfill the order after receiving the tracking number from the Supplier • Send the order to "AliExpress Supplier" & Dsers • Put the orders on "Trello" due to the missing details/damaged products/ waiting from suppliers • Contact the manufacturer for the special order. • Making Discount codes for the customer • Inform the owner daily of all activities |♦| Inbound and Outbound Calls "B2B" (UK Energy) |♦| Inbound and Outbound Calls "B2B" (USA Gas Supply) |♦| Customer support for 30+ Shopify stores (Worldwide drop shipping) I also have an excellent team who is with me and always ready to work on any project related to customer service. We can provide 365 days of customer service even on holidays. It's important to me to build long-term relationships with clients, so I'm primarily looking for long-term projects. I'm flexible with my working hours and am happy to work closely with any existing freelancers you work with. Looking forward to receiving a favorable response from your side. Stay blessed! Thank you

For 15+ years I was the person at the bank deciding whether merchants won or lost chargebacks. Now I fight for merchants instead. I've worked both sides (Issuing and Acquiring) across Visa, Mastercard, AMEX and UnionPay. Certified directly by Visa and Mastercard in Dispute Resolution, Arbitration, VROL/MasterCom and end-to-end Chargeback Management. That insider perspective is what separates my work from every other chargeback freelancer on this platform. What I do differently: I don't generate template responses. I build cases the way bank reviewers actually evaluate them: right evidence, right order, mapped to the reason code, structured to win. Full dispute lifecycle coverage: → Chargeback responses and rebuttal letters → Re-presentments, Pre/Arbitration and compliance → Threshold monitoring (Ethoca, Verifi, VAMP, MATCH) → Checkout and policy audits to prevent disputes before they start → Chargeback department setup for growing merchants and enterprises Platforms: Shopify · Stripe · PayPal · NMI · Maverick · Braintree · WooCommerce · Amazon · Authorize.net · Klarna · AMEX · Airwallex ·Slack · Gorgias · Freshdesk, Zoho and more. The numbers: → 155+ jobs · 3,700+ hours · 100% Job Success · Top Rated Plus → Ranked #1 on Google search as "The best chargeback freelancer" → Won disputes from $50 to $21,000+ for individual merchants From startups building dispute workflows to enterprise clients seeking full setup - I've handled it. I also run "Chargeback Specialist" a Shopify app for automated dispute responses. Listed in my portfolio. Dealing with chargebacks you should be winning? Message me. I respond within 4 hours.

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.

Are you a founder with an app idea but no clue where to start? I've helped 90+ clients go from rough concept to live products, and I can do the same for you. I'm Viraj Moradiya, a Mobile app developer with 6+ years of experience building apps across health & fitness, food delivery, ecommerce, and AI-powered tools. 🏆 𝐊𝐞𝐲 𝐚𝐜𝐡𝐢𝐞𝐯𝐞𝐦𝐞𝐧𝐭𝐬: → 90+ apps delivered with 100% Job Success and consistent 5-star client ratings → Ranked among the top 2% of Mobile App Developers on Upwork → Helped clients launch apps that reached 500k+ downloads → Reduced project delivery times by up to 30% for multiple clients 𝐖𝐡𝐚𝐭 𝐦𝐚𝐤𝐞𝐬 𝐰𝐨𝐫𝐤𝐢𝐧𝐠 𝐰𝐢𝐭𝐡 𝐦𝐞 𝐝𝐢𝐟𝐟𝐞𝐫𝐞𝐧𝐭? → I keep things simple and transparent. Before any code is written, we agree on milestones, timelines, and costs, so there are no surprises along the way. You get regular updates, honest feedback, and an app that's ready for real users when we're done. ✨ 𝐇𝐨𝐰 𝐈 𝐖𝐨𝐫𝐤: I keep things transparent and simple from day one: 1. Discovery → I learn your idea, goals, and users deeply before writing a single line of code 2. Planning → I break the project into clear milestones with timelines and costs agreed upfront, no moving goalposts 3. Build → Clean, scalable Flutter code with regular updates so you're never left wondering what's happening 4. Launch → Full App Store & Play Store submission, tested and ready for real users No ghost updates. No surprise costs. Just a working app, delivered as agreed. ✨ 𝐖𝐡𝐚𝐭 𝐈 𝐨𝐟𝐟𝐞𝐫: → End-to-end app development: MVPs, SaaS solutions, and fully custom mobile apps → Expertise in Flutter, Firebase, Supabase, custom APIs, AI/ChatGPT integrations, in-app purchases, and advanced API systems → Fast, secure, and user-friendly apps tailored to your business goals ✨ 𝐈𝐧𝐝𝐮𝐬𝐭𝐫𝐢𝐞𝐬 & 𝐀𝐩𝐩 𝐃𝐨𝐦𝐚𝐢𝐧𝐬 𝐈’𝐯𝐞 𝐖𝐨𝐫𝐤𝐞𝐝 𝐈𝐧:
 ✔ AI-Powered Mobile App ✔ Social Media Mobile App ✔ Ecommerce/marketplace Mobile App ✔ Finance and budget management Mobile App ✔ Health, Fitness & Wellness Mobile App ✔ Education app development, edTech Mobile App ✔ On-Demand Service Mobile App (Laundry, Salon, Home Care, etc.) ✔ Food Delivery Mobile App Development with Real-Time Tracking ✔ Marketplace Mobile Apps with Stripe/PayPal Integration ✔ Productivity, To-Do & Task Management Mobile Applications ✔ Travel, Hotel & Ticket Booking Mobile Applications ✔ Real Estate Mobile Apps & Property Listing Mobile Apps ✔ Sports, Events & Entertainment Mobile Applications ✔ MVP Mobile App Development for Startups & Businesses ✔ Health & Fitness Mobile App ✔ Wellness Mobile App ✔ Taxi Driver App Development ✔ Video Streaming Mobile App 🌟 𝐖𝐡𝐚𝐭 𝐂𝐥𝐢𝐞𝐧𝐭𝐬 𝐒𝐚𝐲 𝐀𝐛𝐨𝐮𝐭 𝐌𝐲 𝐖𝐨𝐫𝐤: 𝐕𝐢𝐤 𝐌𝐚𝐧𝐧𝐞 ⭐⭐⭐⭐⭐ "Viraj was responsive and paid attention to the details and turned around the project on time. Recommend him and wouldn't hesitate to re-hire. Unlike some freelancers who think they know it all and have an attitude, Viraj is easy to work with." 𝐌𝐚𝐥𝐜𝐨𝐦 𝐉𝐞𝐧𝐤𝐢𝐧𝐬 ⭐️⭐️⭐️⭐️⭐️ "Awesome experience - we completed the app in the timeframe originally agreed upon and it was live on the app store as promised. From the concept to the design to the actual app build, it was a smooth experience." ✨ 𝐋𝐞𝐭'𝐬 𝐁𝐮𝐢𝐥𝐝 𝐘𝐨𝐮𝐫 𝐍𝐞𝐱𝐭 𝐀𝐩𝐩 Have a mobile app idea or an existing one to upgrade? Let’s connect, I’ll share a short, clear plan. 🚨 Send me your app idea and I'll reply within 8 hours with honest feedback Best Regards, Viraj Moradiya 🔑 𝐅𝐢𝐧𝐝 𝐌𝐞 𝐔𝐬𝐢𝐧𝐠 𝐓𝐡𝐞𝐬𝐞 𝐊𝐞𝐲𝐰𝐨𝐫𝐝𝐬: Flutter developer | Mobile app developer | App development | App development company | Mobile app development company | Android app development | Mobile application development | Freelance app developer | Flutter app development | Flutter app | Flutter mobile app | Flutter application | Flutter mobile application | Flutter mobile app developer | Full stack flutter developer | Flutter app | Flutter app developer | AI app developer | Flutter Supabase | Mobile app development | MVP app development | MVP App developer | application developer | Ai application developer | Full stack developer flutter | Flutter expert | MVP developer | MVP app developer | Fitness app developer | AI mobile app developer | Hire Mobile app developer | Hire iPhone developer | Android app developer | iOS app developer | iPhone app developer | Swift | iPad app developer | iOS development | Fitness app developer | App developer | Ai Mobile app developer | Mobile application develper | AI App developer | App developer | MVP App developer | Real estate app development | Healthcare app development | App Development | AI App developer | Wellness app development | Taxi Driver App Development | MVP Mobile app development