I will do stripe integration, stripe connect, subscriptions and webhooks

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MuhammadHamza

About this gig

Payments have a lot of edge cases: declined cards, 3D Secure, webhooks that arrive late or twice. I'm a senior Ruby on Rails engineer with eight years of experience, and I have integrated Stripe, PayPal and other providers into Rails apps and SaaS platforms.


PROVIDERS I WORK WITH

  • Stripe, including 3D Secure
  • PayPal
  • Apple Pay and Google Pay
  • Amazon Pay
  • Checkout


WHAT I CAN DO

  • Stripe Connect payouts for marketplaces
  • Stripe subscriptions, trials and billing changes
  • Add card payments or checkout to your Rails app
  • Add or fix 3D Secure flows
  • Add wallets such as Apple Pay and Google Pay
  • Handle provider webhooks so your records stay in sync
  • Fix payment flows that fail or behave inconsistently
  • Cover the payment code with RSpec or Minitest tests


HOW IT WORKS

  1. Message me with your provider, your app's stack and what you need.
  2. I confirm scope, price and delivery time before you order.
  3. I build and test in the provider's test mode. You add your live keys when you deploy.


I also built and run Hajza, a booking and point-of-sale platform live with paying venues, where every bill has to agree to the cent.


Please message me before ordering so I can confirm the details.

Get to know MuhammadHamza

MuhammadHamza

Senior Ruby on Rails developer for payments, APIs and SaaS

4.8(3)
  • FromPakistan
  • Member sinceDec 2016
  • Languages

    English, Urdu
Senior Ruby on Rails engineer with eight years in production Rails. I build systems that handle money and keep working when the internet doesn't: payment integrations (Stripe with 3D Secure, PayPal, Amazon Pay, Apple Pay, Google Pay), multi-tenant SaaS and API-only backends on PostgreSQL or MySQL. I'm the founder and sole engineer of Hajza, a booking and point-of-sale platform live with paying venues in Pakistan and the UAE, and a Senior Backend Engineer on restaurant reservation software. Every change ships with tests. Message me before ordering and I'll confirm scope, price and delivery.

My Portfolio