Hire the Best Payment Gateway Integration Specialists

Clients rate our Payment Gateway Integration Specialists
Rating is 4.7 out of 5.
4.7/5
Based on 1,598 client reviews
Ahmad M.

Bahawalnagar, Pakistan

$17/hr
4.8
444 jobs

✅ ✨✨💥Top Rated Plus✨✨💥 by Upwork (𝗧𝗼𝗽 3%) ✅ ✨✨💥350+ Jobs Completed✨✨💥 ✅ ✨✨💥6+ years of Experience in Mobile App Development ✨✨💥 ✅ ✨✨💥5+ years of Freelancing Experience✨✨💥 ✅ ✨✨💥24/7 Availability ✨✨💥 I am a Software Engineer with professional experience in developing hybrid applications using Flutter and FlutterFlow. I have over 6 years of experience building responsive, scalable, and complex mobile applications in Flutter. I have developed and published multiple apps on the Google Play Store, achieving numerous downloads. I also have strong experience in in-app marketing, performance optimization, and full end-to-end app deployment. I now provide my services on upwork. Feel free to place your order with confidence that you’re in the right place for high-quality mobile app development. I provide full concentration on my client. Thanks! ⭐️🌟Flutter and FlutterFlow Development Skills⭐️🌟 ✅ ✅ Technical Skills ✅ ✅ ✅ Knowledge of Dart, Java, Kotlin, SQLite, C++, HTML, JavaScript, CSS3 ✅ Designing reusable code and modules ✅ Third-party libraries and RESTful APIs integration ✅ Code versioning tools like Git, Jenkins, etc. ✅ Android and iOS development ✅ State management and app architecture ✅ Known to Firebase, PWA, and Azure DevOps integration ✅ Automated building and testing in FlutterFlow ✅ IDEs like Android Studio, VS Code, etc. ✅ Familiarity with Material Design guidelines ✅ Networking and handling push notifications ✅ Test cases for better performance and debugging of the code of Flutter ✅ Offline storage, performance tuning, and threading operations ✅ ✅ Soft Skills: ✅ ✅ ✅ Problem-solving and team spirit ✅ Understanding of business requirements of Skills: ✅ Problem-solving and team spirit ✅ Communication and self-initiation ✅ A practical approach to issue resolution ✅ Understanding of business requirements ✅ ✅ Roles and Responsibilities ✅ ✅ ✅ Design, develop, test, and implement applications ✅ Cooperation with designers, testers, managers, product owners, and other stakeholders ✅ Take complete ownership of developing user-friendly, good-quality software delivery ✅ Identify and solve errors and discrepancies in the system in Flutter development. ✅ Support and maintenance of all applications in Flutter and FlutterFlow. ✅ Application compatibility with multiple platforms developed ✅ Get involved in the entire software development life cycle ✅ Optimize development processes through different approaches in Flutter ✅ Create and ship apps to Android/iOS devices with a single codebase ✅ Write UI components for the reusability of code ⭐️🌟 Programming Language⭐️🌟: ✅ Dart with Flutter and FlutterFlow Framework ⭐️🌟Based on your requirement⭐️🌟: ✅ I will do mobile app development in IOS & Android. The mobile app development will have the following phases. ⭐️🌟Figma⭐️🌟: ✅ App and website UI/UX to Flutter and FlutterFlow. ✅ Prototype ⭐️🌟Mobile app design⭐️🌟: ✅ Designing the views of every screen of the mobile app. ⭐️🌟Mobile app development⭐️🌟: ✅Converting the approved design to the actual mobile app. ⭐️🌟Database & API interface development⭐️🌟: Creating the data structure and setting up all necessary APIs that the apps will use. ⭐️🌟Database & API integration with the mobile app⭐️🌟: Adding all the necessary real-life functionalities to the mobile app UIs developed ⭐️🌟 Why choose me?⭐️🌟 ✅ 100% Satisfaction ✅ 100% Positive Rating ✅ High-Quality Code ✅ Great Support Period ✅ 4+ years of Experience 👉 How it works Here are the steps to complete your project: ⭐️🌟Requirements⭐️🌟 We make sure I have everything I need to complete your project successfully. ✅ UI design (Figma / XD / Zeplin file) ✅ Logo ✅ App Icon ✅ Document (Optional) ⭐️🌟This step includes:⭐️🌟 ✅ Video meetup ✅ Mobile App Design ✅ Designing the views of every screen of the mobile app. 👉Devices: iPhone 11, iPhone 13, iPhone 13 Pro, iPhone 13 Pro Max, Samsung A52, A30, and other latest devices 👉Final Design I'll deliver the final design of the app for your approval. ⭐️🌟This step includes:⭐️🌟 ✅ Video meetup 👉Database & API interface development ✅ Create a MySQL database and create a REST API based on app screens in JSON format. ⭐️🌟App Development: ⭐️🌟 I'll develop the app and deliver a working product for your review. ⭐️🌟This step includes:⭐️🌟 ✅ Video meetup ✅ Backend Admin Panel (Extra Optional) I will create a website admin panel dashboard so you can track all things from it. Example: ✅ Manage Users (Listing / Add / Edit / Delete Users) ✅ Manage Category (Listing / Add / Edit / Delete Category) ⭐️🌟 Final Review⭐️🌟 I'll deliver the final version of the app for your review. ⭐️🌟This step includes:⭐️🌟 ✅ Video meetup

  • Payment Gateway Integration
  • Hybrid App Development
  • Android App Development
  • Dart
  • Firebase
  • Mobile App Development
  • Flutter
  • API Integration
  • Android
  • iOS Development
  • iOS
  • Node.js
  • Mobile App Design
  • FlutterFlow
  • Mobile App
  • AI Development
  • AI App Development
  • Hybrid App
  • App Design
  • App Development
Krishna K.

Ujjain, India

$6/hr
5.0
19 jobs

Laravel & CodeIgniter backend developer specializing in Stripe payment integration and secure REST APIs. I help businesses build reliable checkout systems, payment workflows, and scalable backend solutions used in real production environments. If you are looking for a developer who understands real payment flows, checkout logic, and backend security, I can help you build it right from the start. What I can do for you: - Laravel & CodeIgniter backend development - Stripe Payment Integration (Payment Intent, Webhooks) - Secure checkout & payment workflows - REST API development for web & mobile apps - Database design & performance optimization - Bug fixing & existing code improvements Why clients hire me: - Clean, maintainable & secure code - Clear communication & quick response - On-time delivery - Long-term support Let’s discuss your project and build a reliable backend solution.

  • Payment Gateway Integration
  • Laravel
  • CodeIgniter
  • Stripe API
  • REST API
  • PHP
  • MySQL
  • API Development
  • API Integration
  • Web Application Development
  • Bug Fix
  • Git
  • Code Refactoring
  • Database Design
  • Admin Panel Setup
  • Core PHP
  • MySQL Programming
  • PSD to HTML
  • jQuery
  • AJAX
  • phpMyAdmin
  • Stripe
Louie Jay M.

Zamboanga, Philippines

$20/hr
4.4
56 jobs

Is your website slow, outdated, or not converting visitors into leads? 🛠️ Website Redesign & Migration Expert 📱 Fully Responsive and Mobile-Friendly 🚀 A+ Speed Optimization Here are the key services I specialize in:👇 🔥 Website Redesign That Converts Modern, clean, mobile-first websites designed to build trust and increase inquiries or sales. ⚡ Speed Optimization (90+ Page Speed Score) Slow websites kill conversions. I optimize: ✦ Core Web Vitals ✦ Image & code compression ✦ Caching & database cleanup ✦ Hosting-level improvements 🔄 Website Migration (Zero Downtime) ✦ Safe migration between hosts ✦ Staging to live deployment ✦ Domain transfers ✦ Backup & restore 🛒 WooCommerce Development ✦ Custom product pages ✦ Conversion-focused checkout ✦ Payment gateway setup ✦ SKU & inventory structure ✦ Performance optimization for large stores 🎯 What Makes Me Different? ✦ I focus on performance + conversion, not just design. ✦ I understand SEO structure and technical optimization. ✦ I communicate clearly and deliver on time. ✦ I think like a business owner — not just a developer. I’ve worked with: ✦ Home improvement companies ✦ Service-based businesses ✦ Ecommerce stores ✦ Law firms ✦ Agencies Services Offered: ✦ WordPress Development ✦ WooCommerce Development ✦ Web Development Essentials ✦ Pixel-Perfect Design Conversion ✦ Security & Troubleshooting ✦ Speed Optimization ✦ Website Migration & Redesign ✦ WordPress Website Management ✦ Custom Website Development using any page builders (Elementor, Oxygen, Divi, Beaver, WP Bakery, WP Builder, Gutenberg): I'm fluent in your preferred builder for maximum flexibility. WordPress Website Security: ✦ WordPress Plugin error fixing ✦ WordPress SSL Installation ✦ WordPress Server migration ✦ WordPress Malware/Virus Removal ✦ WordPress Backups and Restore ✦ WordPress issue or error fixing ✦ WordPress maintenance Design Conversion to Dynamic WordPress Website: ✦ WordPress Landing Page Design ✦ Figma to WordPress Design ✦ PSD to WordPress Design As you can see, I can hit the ground running. Ready to make your website awesome? ✅ If you feeling the vibe and think we'd get well together.. 📨 Send me your personalized message and fill me in.. 📞 When's a good time for you to jump on a discovery call? "Wink"✨ Talk Soon! Louie

  • Payment Gateway Integration
  • WordPress
  • Web Design
  • Web Development
  • Figma
  • Elementor
  • WooCommerce
  • Avada Theme Customization
  • Responsive Design
  • Graphic Design
  • PSD to HTML
  • Website Builder
  • Page Speed Optimization
  • Design Mockup
  • QA Testing
Anatolii N.

Kyiv, Ukraine

$35/hr
4.9
30 jobs

Payment bugs and failed webhooks cost you real revenue. I build and fix payment flows that reconcile to the cent: Stripe integrations, subscriptions and billing, invoicing, card processing, bank APIs. 10+ years of backend engineering (Node.js, TypeScript, PostgreSQL), currently a team lead at a fintech company processing millions of transactions. $100K+ earned on Upwork, 100% Job Success, including two 6-year contracts with the same clients Senior full-stack engineer with $100K+ earned on Upwork, 4,300+ hours, and a 100% Job Success Score. I ship and stabilize production web systems—from urgent Vue/Nuxt/React frontend work to Node.js APIs, PostgreSQL, payment flows, and AI integrations. I’m a strong fit when you need: • a production bug fixed without destabilizing an existing codebase • a responsive landing page or frontend implemented from Figma • a Node.js/TypeScript API or third-party integration • payment, transaction, invoicing, or fintech business logic • an n8n or OpenAI/Claude workflow engineered with retries, validation, and safe failure handling My Upwork history includes long-running full-stack products, complex frontend animation, and quick delivery on focused frontend tasks. Clients have specifically highlighted speed, reliability, and the ability to get difficult UI work right the first time. Core stack: Node.js, TypeScript, JavaScript, PostgreSQL, Vue.js, Nuxt, React, NestJS, REST APIs, Docker, payment integrations, n8n, and OpenAI/Claude APIs. Send me the current codebase, design, or production issue, and I’ll give you a direct assessment of the solution, risks, and realistic delivery time.

  • Payment Gateway Integration
  • Node.js
  • Stripe
  • FinTech
  • PostgreSQL
  • TypeScript
  • JavaScript
  • Software Architecture
  • Database Design
  • REST API
  • API Integration
  • Payment Processing
  • Vue.js
  • NestJS
  • AI Agent Development
  • n8n
  • OpenAI API
  • React
  • Nuxt.js
  • Front-End Development
Chetan S.

Panchkula, India

$18/hr
5.0
51 jobs

I am a backend developer specializing in Laravel and PHP applications. What I can help with: • Fix Laravel errors and bugs • Build or repair APIs • Optimize slow MySQL queries • Integrate payment systems (Stripe, PayPal) • Maintain and improve existing PHP applications Tech Stack Laravel | PHP | MySQL | REST API | Node.js | Docker | AWS Why clients hire me: * Clean and maintainable code * Fast debugging * Good communication * Reliable delivery

  • Responsive Design
  • CodeIgniter
  • Node.js
  • Angular
  • WordPress
  • JavaScript
  • PHP
  • Laravel
  • CakePHP
  • React Native
  • Google Maps API
  • SQL
  • PostgreSQL
  • Python
SK Motahar H.

Kolkata, India

$15/hr
4.8
104 jobs

⭐ Top-Rated Professional ⭐ 20+ Years Industry Experience ⭐ 2,000+ Successful Client Projects Delivered ⭐ Team of 70+ Designers, Developers & Digital Marketing Experts ⭐ End-to-End Web, eCommerce & Custom Software Solutions Hello and welcome to my profile. I'm Motahar, a Full Stack Development Leader and Co-Founder of a software company with more than 20 years of experience in web development, eCommerce solutions, custom software development, UI/UX design, and digital marketing. I started my career as a programmer and have grown into leading a talented team of over 70 professionals, including project managers, UI/UX designers, WordPress experts, Shopify specialists, Laravel developers, React engineers, mobile app developers, QA testers, SEO specialists, and digital marketers. Over the past two decades, we have successfully delivered more than 2,000 projects for startups, small businesses, enterprises, agencies, and entrepreneurs worldwide. Our work has earned numerous positive reviews, long-term client relationships, and repeat business from satisfied customers. Why Clients Choose Me ✅ 20+ years of hands-on technical and business experience ✅ Dedicated team of 70+ specialists under one roof ✅ Proven delivery of 2,000+ projects across multiple industries ✅ Strong project management and communication skills ✅ Reliable long-term support and maintenance ✅ Transparent process with clear milestones and reporting ✅ Focus on business results, not just technical delivery Our Core Expertise Web Development ✔ WordPress Development ✔ WooCommerce Development ✔ Shopify Development ✔ Wix Development ✔ Custom PHP Development ✔ CodeIgniter Development ✔ Laravel Development Frontend Development ✔ React.js ✔ Next.js ✔ Vue.js ✔ Express.js ✔ JavaScript ✔ HTML5 / CSS3 ✔ Tailwind CSS ✔ Bootstrap Backend Development ✔ PHP ✔ Node.js ✔ Nest.js ✔ REST APIs ✔ Custom Web Applications ✔ SaaS Platforms ✔ CRM & ERP Solutions Mobile Applications ✔ React Native ✔ Hybrid Mobile Apps ✔ API Integration ✔ Ionic ✔ Flutter eCommerce Solutions ✔ Shopify Stores ✔ WooCommerce Stores ✔ Custom eCommerce Platforms ✔ Payment Gateway Integration ✔ Subscription Systems ✔ Marketplace Development ✔ Big Commerce ✔ Open Cart ✔ Magento ✔ Prestashop Digital Marketing & Growth ✔ SEO ✔ GEO ✔ AEO ✔ SMO ✔ PPC ✔ GMB ✔ Technical SEO ✔ Google Analytics ✔ Conversion Optimization ✔ Email Marketing ✔ Performance Marketing ✔ CRO What You Can Expect ⭐ Transparent and Prompt Communication ⭐ Professional Project Management ⭐ High-Quality Development Standards ⭐ On-Time Delivery ⭐ Long-Term Partnership Mindset ⭐ Scalable Solutions Built for Growth Whether you need a WordPress website, Shopify store, custom Laravel application, React frontend, mobile app, API integration, or a complete digital solution, my team and I have the expertise and capacity to deliver successfully. Let's discuss your project and build something exceptional together.

  • Payment Gateway Integration
  • WordPress
  • Shopify
  • PHP
  • CodeIgniter
  • Laravel
  • NodeJS Framework
  • React Native
  • React
  • Responsive Design
  • Figma
  • UX & UI Design
  • API Integration
  • Artificial Intelligence
  • Machine Learning
  • Next.js
  • Magento 2
  • Python
  • MERN Stack
  • AWS Development

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How to Hire Top Payment Gateway Integration Developers

How to hire payment gateway integration developers

If you want your customers to stay happy, you need a way for them to securely make purchases on your website. A payment gateway integration developer can help.

So how do you hire payment gateway integration developers? What follows are some tips for finding top payment gateway integration developers on Upwork.

How to shortlist payment gateway integration professionals

As you’re browsing available payment gateway integration consultants, it can be helpful to develop a shortlist of the professionals you may want to interview. You can screen profiles on criteria such as:

  • Technology fit. You want a payment gateway developer who understands the web technologies behind your online store. 
  • Project experience. Screen candidate profiles for specific skills and experience (e.g., cybersecurity background for penetration testing your payment gateway).
  • Feedback. Check reviews from past clients for glowing testimonials or red flags that can tell you what it’s like to work with a particular payment gateway integration developer.

How to write an effective payment gateway integration job post

With a clear picture of your ideal payment gateway integration developer in mind, it’s time to write that job post. Although you don’t need a full job description as you would when hiring an employee, aim to provide enough detail for a freelancer to know if they’re the right fit for the project. 

An effective payment gateway integration job post should include: 

  • Scope of work: From unit tests to payment gateway integrations, list all the deliverables you’ll need. 
  • Project length: Your job post should indicate whether this is a smaller or larger project. 
  • Background: If you prefer experience with certain payment gateways or web technologies, mention this here. 
  • Budget: Set a budget and note your preference for hourly rates vs. fixed-price contracts.

Ready to set up a third-party payment gateway on your ecommerce site? Log in and post your payment gateway integration job on Upwork today.

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PAYMENT GATEWAY INTEGRATION DEVELOPERS FAQ

Frequently asked questions

What is payment gateway integration? 

A payment gateway is like the cash register in a physical store. It provides a secure way for customers to make purchases online. Payment gateway integration is the process of setting up a third-party payment gateway on your website. 

Here’s a quick overview of the skills you should look for in payment gateway integration professionals:

  • Payment gateway integration
  • Ecommerce development fundamentals (e.g., PHP, MySQL, HTML, CSS, JavaScript)
  • Content management systems (CMSs) such as WordPress
  • Payment gateways (e.g., PayPal, Stripe, Square)

Why hire payment gateway integration developers?

The trick to finding top payment gateway integration developers is to identify your needs. Is your goal to integrate PayPal with your WooCommerce store? Or do you plan on using Square with your Magento storefront? The cost of your project will depend largely on your scope of work and the specific skills needed to bring your project to life. 

How much does it cost to hire a payment gateway integration developer?

Rates can vary due to many factors, including expertise and experience, location, and market conditions.

  • An experienced payment gateway integration developer may command higher fees but also work faster, have more specialized areas of expertise, and deliver a higher-quality product.
  • A freelancer who is still in the process of building a client base may price their payment gateway integration more competitively. 

Which one is right for you will depend on the specifics of your project.