Payment & Billing Systems Engineer

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🕒 April 10

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WOW Remote Teams

WebsiteLinkedInAll Job Openings

1 - 10 employees

Founded 2021

🤝 B2B

🛍️ eCommerce

🎯 Recruiter

B2B • eCommerce • Recruitment

WOW Remote Teams is a company that connects businesses with top-tier virtual professionals from Latin America, including virtual assistants, digital marketers, software developers, graphic designers, and more. Their services aim to help organizations save on salary expenses while providing quality talent that is bilingual and pre-vetted. With a focus on rapid hiring processes, clients can receive candidate matches within just three days, making WOW Remote Teams a cost-effective solution for scaling teams efficiently.

📋 Description

• Take full ownership of the payment ecosystem, including Authorize.net as the primary processor and cryptocurrency payment integrations • Architect and manage the full subscription lifecycle, including activations, plan changes, cancellations, suspensions, and recovery flows • Develop robust webhook handling systems with strong guarantees around idempotency, retries, and event sequencing • Build and maintain billing reconciliation processes across multiple intervals, ensuring financial accuracy and traceability • Design workflows for refunds, disputes, and chargeback handling • Implement automated testing strategies, including integration and end-to-end tests for payment and subscription flows • Introduce fraud prevention mechanisms and enforce rate limiting on payment-related endpoints • Ensure compliance with payment security standards and best practices, including PCI-related requirements

🎯 Requirements

• Proven, hands-on experience working directly with Authorize.net in production environments (Accept Suite, AIM, ARB, CIM, or Transaction APIs) • Experience building a complete payment system from scratch that processes real user transactions • Minimum of 3 years developing payment or billing systems in live environments • Deep understanding of subscription lifecycle management and complex edge cases • Strong experience with financial reconciliation processes and audit tracking • Solid backend engineering skills using Node.js and TypeScript • Experience with asynchronous workflows or job orchestration tools • Familiarity with distributed systems and handling failure scenarios in payment flows • Experience working with PostgreSQL and Redis • Exposure to Temporal or similar workflow orchestration tools • Understanding of crypto payment integrations (Solana, Ethereum, Polygon) is a plus • Knowledge of NestJS and PCI-DSS standards is considered an advantage

🏖️ Benefits

• Full-time, 100% remote opportunity • Work on a high-impact system directly tied to company revenue • Exposure to cutting-edge technologies including Web3 payments • Opportunity to own and scale a critical infrastructure component • Collaborative, engineering-driven environment with strong technical ownership