Find the World's Best Freelancers

Upwork is the leading online workplace, home to thousands of top-rated freelancers. It’s simple to post your job and get personalized bids, or browse Upwork for amazing talent ready to work on your Payment Gateway Integration project today.

Browse Freelancers
Spotify Logo
Pinterest Logo
Eventbrite Logo
Dropbox Logo
BuzzFeed Logo
Anupjyoti D. - Full-stack Web Developer

Anupjyoti D.

Full-stack Web Developer

$20/hr
1,398 hours
India
100% JOB SUCCESS
“Excellent to work! He keeps you updated all the way through the job and is very prompt to reply. He replies to my message in a timely manner I some times wondered if he sleeps.”
  • WordPress
  • SilverStripe
  • PHP
Lalit K. - Software Developer

Lalit K.

Software Developer

$18/hr
4,333 hours
India
99% JOB SUCCESS
“Lalit has been excellent to work with and I will continue working with him for many years in the future. He has great communication and an amazing work ethic. 5 STARS absolutely.”
  • Caspio Programming
  • C#
Lalatendu K. - Senior Software Developer

Lalatendu K.

Senior Software Developer

$20/hr
2,891 hours
India
96% JOB SUCCESS
“Lalatendu did a great job for us. Will use again on next project.”
  • Caspio Programming
  • C#
  • d3.js
Tarun N. - PHP/MySQL Developer

Tarun N.

PHP/MySQL Developer

$20/hr
1,806 hours
India
95% JOB SUCCESS
  • PHP
  • CakePHP
  • JavaScript
  • AJAX
chinmay s. - Expert yii  Cakephp wordpress codeignitor Developer

chinmay s.

Expert yii Cakephp wordpress codeignitor Developer

$15/hr
140 hours
India
94% JOB SUCCESS
“I had a great experience working which Chinmay. He was very helpful and communicative. Great response time from him and was able to reach him even after hours and weekends.”
  • WordPress
  • Yii
  • CodeIgniter
Kanstantsin H. - QA Engineer, Professional Tester

Kanstantsin H.

QA Engineer, Professional Tester

$14/hr
522 hours
Belarus
100% JOB SUCCESS
“Kanstantsin was a pleasure to work with, excellent communication and work ethic. Would definitely hire him again.”
  • Software Testing
  • HTML5
  • CSS3
Mahmudul H. - Professional Wordpress Designer n Developer

Mahmudul H.

Professional Wordpress Designer n Developer

$15/hr
4,100 hours
Bangladesh
100% JOB SUCCESS
“It was a pleasure working with Mahmudul. He delivered a quality website with a fast turn around, I could not have asked for a better experience working with him. Highly recommended!”
  • WordPress
  • Joomla!
  • HTML5
  • CSS3
Reginald B. - Project Manager, QA Tester

Reginald B.

Project Manager, QA Tester

$11.11/hr
7,662 hours
Philippines
100% JOB SUCCESS
“Reg did a great job! Reccomended!”
  • Project management
  • Joomla!
Roshan B. - Data Entry Professional

Roshan B.

Data Entry Professional

$7.74/hr
278 hours
Sri Lanka
100% JOB SUCCESS
“Great freelancer! Roshan was a clear communicator and turned the project around quickly - even faster than I needed. Would definitely recommend!”
  • Data Entry
  • PDF Conversion
Harpreet S. - Expert in all PHP/MySql based technologies

Harpreet S.

Expert in all PHP/MySql based technologies

$30/hr
639 hours
India
100% JOB SUCCESS
“Harpreet is an awesome programmer and always a pleasure to work with. Seems like he can do just about anything and do it very well and fast.”
  • PHP
  • MySQL Administration
Ali H. - Senior Ruby on Rails Developer & Project Manager

Ali H.

Senior Ruby on Rails Developer & Project Manager

$30/hr
370 hours
Bangladesh
100% JOB SUCCESS
“Has been excellent working with Ali. Looking forward to the new future as Backspace LLC. Thanks1”
  • Ruby
  • Ruby on Rails
  • MongoDB

To view more
profiles,
join Upwork

What our customers are saying


At a Glance: Payment Gateway Integration

Payment gateway integration enables your website to process payments online. If you’re looking to integrate PayPal, Google Checkout, Authorize.net, or another payment gateway into your website, you’ll need the help of a payment gateway specialist to get your project started.
A payment gateway specialist can provide you with a means for your customers to pay online—whether it’s by credit card, check, or debit card. They are experienced with a variety of e-commerce platforms, including Shopify, Bigcommerce, and OpenCart, and can help you identify payment gateways that are compatible with your e-commerce site. Payment integration developers can also use Java, PHP, or other programming languages to help build the back-end APIs that will allow your users to interact with your payment gateway of choice. Whether you need help setting up a merchant account with Amazon Payments or wish to switch gateways for your existing site, payment gateway specialists on Upwork can help you integrate your chosen payment system into your online business.

Bring your idea to life with a Payment Gateway Integration freelancer now

Get Started