Hire the Best Payments Professionals

Clients rate our Payments Professionals
Rating is 4.6 out of 5.
4.6/5
Based on 3,121 client reviews
Scott T.

Kalaheo, Hawaii

$66/hr
5.0
124 jobs

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!

  • Wix
  • Shopify
  • API Integration
  • Payment Gateway Integration
  • Payment Gateway
  • Merchant Account Setup
  • Payment Processing
  • Payment Functionality
  • Payment Plugin
  • Mobile Payment Functionality
  • In-App Subscription
  • Ecommerce
  • Ecommerce Store Setup
  • Ecommerce Plugin Installation
  • Ecommerce Platform
Bhavesh D.

San Francisco, California

$75/hr
4.5
290 jobs

CRO | CTO | STRIPE CONNECT | STRIPE BILLING | STRIPE RADAR | STRIPE API | STRIPE CHECKOUT | STRIPE TERMINAL | FINTECH | SAAS | AI | PAYMENTS | COMPLIANCE ( PCI DSS, GDPR) CRO | Meta Ads | Google Ads | ROAS | CAC XERO | QUICKBOOKS | ACCOUNTING SOFTWARE INTEGRATION FRACTIONAL CTO SERVICES | SCALABLE MVP DEVELOPMENT | REMOTE TEAM LEADERSHIP | TECHNICAL ROADMAPPING | STRIPE CONSULTING & DEVELOPMENT | AI | AUTOMATION Fractional CTO | 17+ Years IT Leadership | FinTech & Healthcare | Scalable MVPs | Stripe & Payments Expert I bring 17+ years of experience in technology, 10 years in FinTech and 2 years in AI—leading startups from concept to scale. As a Fractional CTO, I specialize in architecting investor-ready MVPs, building and managing remote engineering teams, and aligning technical roadmaps with business milestones. My approach balances speed-to-market with the long-term stability investors expect. As a Certified Stripe Expert, I’ve delivered 200+ projects across SaaS, eCommerce, and healthcare, helping founders design, integrate, and optimize payments that drive revenue and meet global compliance standards. Beyond Stripe, I manage full product lifecycles, ensuring delivery on time, within budget, and aligned with growth objectives. I’m also passionate about AI-driven automation, applying conversational AI, intelligent bots, and no/low-code workflows to simplify operations and create scalable, cost-efficient systems. What I Offer: Fractional CTO leadership & technical roadmapping Stripe consulting, integration, and optimization Scalable MVP development with investor alignment End-to-end project & product management (Agile/Scrum) AI-powered automation for payments, SaaS, and operations If you’re looking for a CTO who blends deep technical expertise with executive strategy, I’d be glad to help shape and scale your product. SKILLS: ✓✓✓ Payment Gateway Integrations ✓✓✓ Payment Gateway Migrations ✓✓✓ Technical Roadmapping ✓✓✓ Startup Fundraising Support ✓✓✓ Cloud Architecture (AWS, GCP, Azure) ✓✓✓ Remote Team Leadership ✓✓✓ SaaS Architecture ✓✓✓ Healthcare Technology (HIPAA, HL7, FHIR) ✓✓✓ FinTech Compliance (PCI DSS, PSD2) ✓✓✓ Scalable MVP Development ✓✓✓ Vendor Management ✓✓✓ AI Software Development ✓✓✓ AI Agent Development ✓✓✓ No/Low Code Development • STRIPE • PAYPAL • Authorize.net • 2 Checkout • Sage Pay • Square • WorldPay • RazorPay • WeChat Pay • iDeal • Klarna • QuickBook TaxJar • Xero • AI • ChatGPT • LangChain Tech Stack & Leadership Capabilities ✓ DevOps & Infrastructure: CI/CD pipelines, Docker, Kubernetes, infrastructure-as-code (Terraform, Ansible), monitoring & observability (Datadog, Prometheus, Grafana). ✓ Cybersecurity & Compliance: Identity and access management, encryption standards, SOC2 & GDPR compliance, penetration testing oversight. ✓ Data & Analytics: Data pipelines, ETL, real-time processing (Kafka, Spark), business intelligence dashboards. ✓ Mobile Oversight: iOS/Android (Swift, Kotlin, React Native, Flutter) – leadership & architectural guidance. ✓ Scalability & Reliability: Microservices architecture, high availability (HA), disaster recovery (DR), event-driven systems. ✓ Product Strategy: Product-market fit, UX/UI oversight, customer-driven roadmaps, investor milestone alignment. Core Development Expertise: ✓ Languages & Frameworks: Python, Java, Node.js, Next.js, PHP, Java EE (Servlet, JSP, EJB, Hibernate, Spring). ✓ Web & CMS: WordPress, WooCommerce. ✓ Databases: MySQL, Oracle. ✓ Cloud: AWS, GCP, Azure. ✓ OS: Linux, Windows. ✓ Front-End: JavaScript, jQuery, AJAX, Node.js. ✓ APIs & Integrations: REST APIs, ChartMogul, Twilio, Mailchimp, HubSpot, Facebook Graph, Google Maps, Twitter. ✓ Video Handling: Cloudflare Stream (direct upload, processing, secure playback). ✓ Tooling & Automation: Jenkins, MQ, Agile/Scrum workflows.

  • Stripe
  • Payment Gateway Integration
  • PayPal Development
  • Payment Plugin
  • Payment Gateway
  • Payment Processing
  • Payment Functionality
  • Payment Integration Framework
  • Mobile Payment Functionality
  • Point of Sale & Payment Systems
  • PayPal
  • Stripe API
  • Stripe SDK
  • Google Ads
  • Conversion Rate Optimization
Harish K.

Mohali, India

$18/hr
4.4
343 jobs

I am a Full Stack Web & Mobile App Developer with expertise in Web Development, iOS & Android App Development (Top 3%), maintaining 100% Client Satisfaction on Upwork and successfully delivering hundreds of projects across industries. I am a Top-Rated Plus Mobile App Developer specializing in Flutter, React Native, iOS (Swift), Android (Kotlin) and Full-Stack Application Development. I build AI-powered mobile apps, real-time video streaming platforms, SaaS products, MVPs and on-demand service applications with scalable backend architectures using Node.js, NestJS, Laravel and Firebase. I have had the opportunity to work with numerous startups, scale-ups and enterprises, helping them design, develop, launch and scale high-performance mobile and web applications that work flawlessly across devices. ✅ I Can Help You With: - Mobile App Development with Web Admin Panel - MVP Development & SaaS Application Development - API Development & Third-Party Integrations - Node.js / NestJS Backend for Mobile & Web Apps - Laravel / PHP Backend Development - Firebase Integration (Auth, Firestore, Cloud Functions) - Payment Gateway Integration (Stripe, Razorpay, PayPal) - Real-Time Chat, Notifications & WebSocket Integration 💡 Having Expertise In: - AI-Powered Mobile Applications - Real-Time Video Streaming Apps - Live Streaming & Video Sharing Platforms - E-Learning & EdTech Applications - E-Commerce & Marketplace Apps - On-Demand Service Apps (Taxi, Food, Delivery, Booking) - Chat & Social Networking Apps - SaaS & Subscription-Based Platforms - Gamified Mobile Applications - AR/VR Mobile App Development - IoT & BLE-Based Mobile Applications 🎯Key Milestones: 🚀 Rewarded as 🏆 𝗧𝗢𝗣 𝗥𝗔𝗧𝗘𝗗 𝗣𝗟𝗨𝗦 🏆 by Upwork (𝗧𝗼𝗽 𝟯%) 🚀 7000+ personal hours on Upwork and still counting 🚀 100000+ agency hours on Upwork and still counting 🚀 100% Job Success (Client Satisfaction Ratio) 🚀 500+ jobs completed successfully as an Agency 🎯 Checkout my portfolio of apps on Upwork: Over the past decade, I have honed my skills in developing a diverse array of iPhone and Android applications Development ✅ Health and Fitness Apps ✅ GPS/ Geo Location Apps ✅ Trade Apps ✅ Homeowner/Contractor App ✅ Artificial Intelligence based Apps ✅ Bluetooth / BLE Integration Apps ✅ Food Delivery Apps ✅ Nutrition Planning Apps ✅ Restaurant Search Apps ✅ Salon Booking Apps ✅ Gym Booking Apps ✅ Taxi Apps ✅ AI Powered Apps ✅ E-commerce Apps ✅ Dating and TikTok Style Apps ✅ Video Streaming, Voice Calling, Chat and Messaging Apps ✅ Real Estate Apps ✅ Driver Instructor Finding Application ✅ Hotel and Travel Booking Apps ✅ E-Learning Mobile Application ✅ Wellness & Meditation Application ✅ NDI's Industry Applications 🎯 Areas of Expertise ◉ Mobile App Development: Swift, Objective C, Kotlin, Java, Jetpack ◉ Cross-Platform App Development: Flutter (Dart), React Native ◉ Backend Development: Node JS, Nest JS, Laravel, PHP, Express ◉ Frontend Development: React JS, Next JS, Angular, HTML5, CSS3 ◉ API Development & Integrations: REST APIs, AWS Lambda, API Gateway ◉ Databases & Cloud Storage: MySQL, MongoDB, Firebase, DynamoDB ◉ Real-Time App Features: Socket IO, Firebase Real Time Database, Twilio ◉ Payment Gateway Integration: Stripe, Razorpay, PayPal, Braintree ◉ Maps & Location Services: Google Maps, Apple Map Kit, GPS Tracking ◉ Version Control & Collaboration: GitHub, Bitbucket, GitLab I specialize in no-code/low-code development and AI integrations, allowing you to launch faster while keeping costs low without compromising quality. Additional Services that i am offering: - 6 Months Free Maintenance once the apps goes live on apple store and Google play store - Ownership/iP rights from the day one uploaded on the Client Github - Regular Updates & Scrum meetings. - Following Agile Scrum Methodology from day one - Strictly adhering to the Apple Guidelines and Google Guidelines. - Taking Complete responsibility of Deployment on both Apple store and Google Play store. I specialize in no-code/low-code development and AI integrations, allowing you to launch faster while keeping costs low without compromising quality. I work with tools like Bubble, FlutterFlow, Webflow and integrate powerful AI solutions using Claude, GPT and OpenAI APIs to build smart, automated systems. 🔹 What I Do - Full Stack Web & Mobile App Development - No-Code / Low-Code Development (Bubble, FlutterFlow, Webflow) - AI App Development & Integration (Claude AI, GPT-4/5, OpenAI API, Chatbots, Automation) - SaaS Application Development (Subscription Models, Multi-Tenant Systems) - API Integration (Payment gateways, third-party services) - Dashboard & Admin Panel Development - Workflow Automation (Zapier, Make, AI Automation Systems)) - UI/UX Design (Figma) 👉 Let’s start with a FREE 15–30 minute consultation to discuss your project and define the best approach. Contact us today to discuss your project requirements.

  • Flutter
  • iOS Development
  • Smartphone
  • User Profile Creation
  • Android App Development
  • iOS
  • Mobile App Development
  • Chat & Messaging Software
  • User Authentication
  • Hybrid App Development
  • In-App Purchases
  • Web Development
  • React Native
  • Android
  • AI Chatbot
  • React
  • JavaScript
  • iPad App Development
  • API
  • API Integration
Neella K.

Hyderabad, India

$30/hr
5.0
7 jobs

STRIPE CONNECT | STRIPE BILLING | STRIPE RADAR | STRIPE API | STRIPE CHECKOUT | STRIPE TERMINAL | FINTECH | SAAS | AI | PAYMENTS | COMPLIANCE (PCI DSS, GDPR) If Stripe is slowing down your product, breaking your billing logic, or causing failed payments you can’t explain, I can fix that. I’ve delivered 100+ Stripe integrations for SaaS and tech companies, and I’m a 4× Stripe Certified professional. You’re not getting a basic integration, you’re getting a payments system designed to reduce churn, recover revenue, and scale with your growth. I specialize in building Stripe systems that directly impact metrics like churn, AOV (Average Order Value), LTV, and checkout conversion rates. I don’t just plug APIs. I step into your architecture and make sure your billing, subscriptions, and payment flows are optimized end-to-end. I can help if you’re dealing with: 🔹 High checkout abandonment rates 🔹 Unexpected churn from failed payments or poor retry logic 🔹 Broken or confusing subscription upgrades/downgrades 🔹 Low AOV due to poor pricing or payment flow design 🔹 Inconsistent or unreliable webhook handling 🔹 Stripe setups that “work” but don’t scale What I can help you with: 🔹 End-to-end Stripe integration for SaaS platforms 🔹 Subscription architecture (plans, trials, proration, lifecycle logic) 🔹 Reducing churn with smarter retry logic and dunning strategies 🔹 Checkout optimization to improve conversion rates 🔹 Webhook architecture (reliable, scalable, no missed events) 🔹 Stripe account audits with revenue-focused insights 🔹 Advanced Stripe products (Connect, Sigma, custom workflows) If you already have developers, I can work directly with them or guide them through the correct architecture in live sessions. Most Stripe implementations leave money on the table. I help you close those gaps so your payments system actually drives revenue, not just processes it. If you want to improve conversion, reduce churn, or fix hidden issues in your Stripe setup, send me a message and let’s take a look.

  • Python
  • JavaScript
  • React
  • Next.js
  • WordPress
  • CMS Development
  • Node.js
  • API Development
  • Java
  • AWS Development
  • OpenAI API
  • Payment Gateway Integration
  • Stripe
  • Stripe API
  • Stripe SDK
MD Rifazul I.

Madhukhali, Bangladesh

$5/hr
5.0
5 jobs

Certified QuickBooks Online Advanced ProAdvisor ✫ Bookkeeper ✫ Bank Reconciliation Specialist ✫ QuickBooks Cleanup & Catch Up ✫ Transaction Categorization Mastery ✫ Profit & Loss & Balance Sheet Reporting ✫ Tax Ready Books for CPA I am a QuickBooks cleanup expert bookkeeper and bank reconciliation specialist dedicated to helping businesses achieve accurate, organized, and tax‑ready books. My services are designed for Real Estate, Ecommerce sellers, Restaurants, Hotels, Wellness clinics, Trucking and Logistics firms, Construction contractors, Service providers, Healthcare practices, Law firms, Consultants, and Startups. Whether your books are months behind or years overdue, I deliver precise quickbooks cleanup, catch up bookkeeping, and reconciliation services that restore clarity and confidence. ➤ QuickBooks Online Cleanup & Catch Up ✦ Historical cleanup of accounts, backlog reconciliation, duplicate transaction removal, and discrepancy resolution. ✦ Fixing uncategorized transactions, unapplied payments, undeposited funds, and beginning balance issues. ✦ Correcting mismatches between bank balances and quickbooks balances for complete accuracy. ✦ Organizing ledgers, mapping accounts, and optimizing the chart of accounts for industry‑specific needs. ➤ Bank Reconciliation Expertise ✦ Full reconciliation of bank accounts, credit cards, merchant accounts, PayPal, Stripe, Square, and cash transactions. ✦ Deposit matching, invoice and receipt reconciliation, and clearing of outstanding discrepancies. ✦ Vendor and customer reconciliation to ensure accounts payable and accounts receivable are balanced. ✦ Loan reconciliation and merchant settlement reconciliation for ecommerce and service businesses. ➤ Transaction Categorization & Reporting ✦ Accurate categorization of income, expenses, assets, and liabilities in quickbooks online. ✦ Preparation of monthly financials, profit & loss statements, balance sheets, and cash flow reports. ✦ Tax‑ready books with reconciled accounts and clean ledgers for compliance and audit support. ✦ Reporting automation with recurring invoices, recurring expenses, and bank feed rules setup. ➤ Industry‑Specific QuickBooks Online Services ✦ Real Estate & Property Management: Rental property accounting, escrow/trust reconciliation, tenant payment tracking. ✦ Construction & Contracting: Job costing, progress invoicing, retainage accounting, reconciliation of project expenses. ✦ Ecommerce & Retail: Amazon FBA, Shopify, Etsy, Walmart, WooCommerce, eBay sellers, marketplace reconciliation. ✦ Restaurants & Hospitality: POS sync, daily sales reconciliation, payroll, vendor bills, food cost tracking. ✦ Healthcare & Wellness: Medical practice accounting, dental bookkeeping, therapy centers, reconciliation of insurance payments. ✦ Professional Services: Law firms (trust accounting), consultants, freelancers, marketing agencies, IT companies, SaaS businesses. ✦ Logistics & Trucking: Fleet accounting, fuel expense tracking, loan reconciliation, vendor management. ✦ Service Providers: Roofing, plumbing, HVAC, landscaping, moving services, cleaning services, and household services. Why Work With Me As a QuickBooks cleanup expert and bank reconciliation specialist, I focus on accuracy, efficiency, and industry‑specific solutions. My expertise ensures every transaction is categorized correctly, every account is reconciled, and every report is reliable. I help businesses achieve tax‑ready books, accurate profit & loss statements, clean balance sheets, and clear cash flow visibility. Whether your books are 2 months behind or 5 years behind, I restore accuracy with catch up bookkeeping, historical cleanup, and reconciliation fixes. My goal is to deliver clean books, reconciled accounts, and stress‑free accounting using QuickBooks Online across every industry. Keywords: books reconciliation, quickbooks cleanup, quickbooks online cleanup, quickbooks reconciliation, quickbooks bank reconciliation, quickbooks credit card reconciliation, quickbooks merchant reconciliation, quickbooks paypal reconciliation, quickbooks stripe reconciliation, quickbooks square reconciliation, quickbooks cash reconciliation, quickbooks loan reconciliation, quickbooks vendor reconciliation, quickbooks customer reconciliation, quickbooks unapplied payments fix, quickbooks undeposited funds cleanup, quickbooks beginning balance fix, quickbooks discrepancy fix, quickbooks duplicate transaction cleanup, quickbooks backlog cleanup, quickbooks historical cleanup, quickbooks catch up bookkeeping, account reconciliation, chart of accounts cleanup, quickbooks ledger reconciliation, quickbooks transaction categorization, quickbooks invoice reconciliation, quickbooks receipt reconciliation, quickbooks deposit matching, quickbooks sales receipt cleanup, quickbooks balance sheet reconciliation, quickbooks profit and loss cleanup, quickbooks cash flow reconciliation, reconciliation fix quickbooks, reconciliation errors book keepr

  • Accounting
  • Bookkeeping
  • Light Bookkeeping
  • Accounting Basics
  • Intuit QuickBooks
  • QuickBooks Enterprise
  • QuickBooks Online
  • QuickBooks Online API
  • Accounting Advisory
  • Accounting Report
  • Accounting Software
  • Tax Accounting
  • Bank Reconciliation
  • Balance Sheet
  • Income Statement
Arun Kumar M.

Noida, India

$35/hr
4.9
414 jobs

Please read below for a full list of my proficiencies, but for your quick reference as to what I am a master at: * payment gateway solutions (Stripe Certified Developer, PayPal, Authorize.net, Skrill, Braintree, Square, Adyen, cybersource,NMI,2 Checkout, stripe terminal,stripe identity verification, Moneris ,Airwallex,eway, Razorpay, Payu, Paytm, Icici bank, Master CardStripe, cloaking payment gateway expert, etc). * Chat Air.AI with GHL , live trasnfer, call recording , zapier setup with chat air ai, Update GHL lead with Chat Air.AI. * I will solve whatever your payment challenge is or solution that you are looking for. * Generally, I am quite clever with Rest APIs * I have now built several fundraising websites from the ground up that have exceeded my clients expectations. I obviously also maintain them as necessary (which isn’t much if I built them). 
 I'm a Software enthusiast with over 14 years of development experience. I am an expert in Javascript (Node.js, React.js, Vue.js & Angular.js) and all things PHP (Laravel, Magneto, Wordpress, Drupal, Shopify, YII, CAKE) and their complimentary mobile applications (Native Android, IOS, Flutter and React Native to develop applications). I am also experienced with Python, if that is your preference. Along my journey creating web applications, websites, and mobile applications I have contributed to several open-source libraries along the way. I have a strong base in software development with an awesome educational record in my curricula. Over the years, regardless of the technical challenge, I solve the issue with great precision and accuracy. Whether working autonomously or with a team I always exceed best practices, stringently employing version control systems (BitBucket, GIT, Deployment Pipes, Jenkins, etc..), and excel within Linux, AWS, CDNs, S3, Amplify , RDS, etc… I'm addicted to clean workflow using testing frameworks like Karma, Mocha, and Tape. I'm also a part of a team creating a cross-platform desktop application in Electron.js. I have sharp skills in database systems including MySQL, NoSQL databases, and Graph databases like OrientDB and Neo4j. I am Swiftlane api Integrator partner I write impeccable and maintainable code, building a reusable foundation, while also keeping my clients updated about emerging technologies. If the project involves a new technology, I easily and quickly become proficient in the new technologies without any complications, with hundreds of successfully completed projects. 
I look forward to working with you, Arun 

For fundraising website references, please find: 
 Our Fund ugive2 – Simple-Fast-Fundraising Colour Blast – Fundraising Made Easy

  • Drupal
  • Magento 2
  • Server
  • MySQL
  • AngularJS
  • Stripe
  • Custom PHP
  • CodeIgniter
  • React Native
  • Amazon Web Services
  • Payment Gateway Integration
  • Laravel
  • API
  • Shopify
  • WordPress

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