Senior Backend Engineer - Payments

Location: Remote (U.S. overlap preferred)
Type: Contract (Full-Time Preferred)
Domain: Payments / Fintech / eCommerce Infrastructure
About the Project

We are leading a modernization initiative for a high-growth digital commerce platform focused on payment orchestration, gateway optimization, and API-driven architecture .

Experience with orchestration platforms such as Gr4vy, Stripe, etc. is highly desirable, but not required. Deep payments experience is mandatory.
About the Role

We are seeking a senior backend engineer to support a payment modernization initiative. You will work directly under the CTO to build and integrate payment orchestration systems and direct PSP connections.
Responsibilities

- Build and maintain API integrations with multiple PSPs

- Implement payment routing logic

- Develop webhook handlers

- Implement tokenization flows

- Support subscription billing logic

- Ensure resilience, observability, and clean error handling

Requirements
- 6+ years backend experience

- Strong in one or more:

- Node.js

- Java

- Python

- Go

- Extensive REST API integration experience

- Webhook processing experience

- Payments domain experience required

- Strong understanding of:

- Auth/Capture flows

- Refund logic

- Chargeback lifecycle

- Subscription billing

Benefits

- High-Impact Architecture Project

- Executive Visibility

- Competitive Contract Compensation

- Flexible Remote Structure

- Clear Scope, Clear Timeline

- Long-Term Engagement

- Technical Ownership

Originally posted on Himalayas