Backend Developer: E-Commerce Core API & Payment Orchestration

Description

Experience Level: Expert

Job Type: Hourly (Ongoing/Part-time)

We are expanding the core capabilities of our rapidly growing e-commerce ecosystem and are looking for a highly skilled Backend Developer. This is an hourly contract focused on building out resilient financial infrastructure, localized transactional logic, and high-throughput core APIs.

The ideal candidate brings deep architectural expertise in handling sensitive transactional data, integrating complex third-party APIs, and designing modular, secure backend components. This role requires an engineer who can work autonomously, provide precise hourly tracking against clear milestones, and deliver production-ready, highly secure code.

Scope of Work

Multi-Gateway Payment Orchestration: Design and implement a fault-tolerant payment routing system integrating multiple gateways (e.g., Stripe, PayPal, Adyen). The architecture must handle automatic failovers, split-payment...