AI summary
This role involves building and integrating payment orchestration systems, maintaining API integrations with various payment service providers (PSPs), and implementing payment routing logic.
Job Description
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
About the job
- Posted on
- Feb 27, 2026
- Job type
- Contract
- Location
- Costa RicaRemote
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