PayPal API Jobs

I’m ready to start taking payments through my existing e-commerce website and need someone who has hands-on experience wiring a payment gateway into a live store. The site is already built and operational; what’s missing is a seamless, fully tested checkout flow that accepts major cards, handles refunds, and records transactions cleanly in the back-office. We are a new ISO company looking for a person to handle technical integration for existing merchant and new merchants leaving Pay Pal, Stripe or Square. I am looking for a person that fits our business model, security requirements, and expected transaction volume. Here’s how I see the collaboration: • Audit the current checkout architecture, identify touchpoints for the API calls, and map out any database chang...

I’m launching an online bookstore that will offer E-books, Printed books, Audiobooks, and a small line of branded merchandise. I need a developer who can deliver a clean, secure e-commerce site that brings all four product types under one roof and makes checkout effortless on both desktop and mobile. Core functions I expect • Unified product catalog that can flag an item as digital (instant download), physical (shipping required), audio (stream/download), or merchandise. • Robust search and category filtering so readers quickly find titles by genre, author, or format. • Secure user accounts with purchase history and cloud library access for E-books and Audiobooks. • Integrated payment gateway (Stripe or PayPal are fine; open to suggestions) with automated...

Senior Development Agency Needed — Real-Money Skill Gaming Platform Project Overview We are hiring a development agency, not individual freelancers, to build a real-money skill gaming platform based on a completed SRS, existing UI wireframes, an active GitHub repository, and existing payment/compliance providers. This platform is a full rebuild from a prior Unity implementation into a custom architecture with: • a React Native player app • web dashboards for Admin, Affiliate, and Customer Support • a server-authoritative real-time game engine • Plaid Identity / Auth / Transfer • PayPal integration • tournament systems, fraud controls, geo restrictions, and support tooling The platform is designed to support large-scale tournament play, multiple...

I need a specialist who can fast-track my merchant onboarding with Payu, RazorpayX, HoadaPay or a similar gateway that offers instant settlement, then wire the live APIs into my WordPress site so payments start flowing immediately. Here is what a successful engagement looks like: • Obtain gateway approval and live credentials, including activation of instant (T+0) settlement. • Set up the merchant dashboard and confirm that reports, refunds and webhook alerts all function correctly. • Integrate the gateway on my WordPress front end, pass test mode, switch to live and run a real transaction. • Deliver clean, well-commented code, store keys securely in wp-config and supply a brief hand-off guide or screen-recording. Acceptance is a live INR payment that lands ...

I own the existing site at and need it rebuilt under the new domain thepopuptournaments.com. The core concept stays the same—organising popup pickleball tournaments—but several features must be repaired or expanded while we keep only minor design tweaks in mind. Key deliverables • Round-robin engine: adjust the current match-making logic so every player meets any given opponent no more than twice during round-robin play. • Payments: integrate a Stripe credit-card checkout flow tied to each event registration. Players should be charged automatically once their spot is confirmed, with basic refund handling in the dashboard. • Email validation: block invalid or disposable email addresses at sign-up and during any profile edits, both client- and server-side. ...