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WOW Remote Teams logo
WOW Remote Teams

Globalize Your Team | Hire Top Remote Professionals outside the U.S | Nearshore Same Time Zone

Payment & Billing Systems Engineer

Systems EngineerSystems EngineerFull TimeRemoteMid LevelTeam 1-10Since 2021H1B No SponsorCompany SiteLinkedIn

Location

Worldwide

Posted

108 days ago

Salary

0

Seniority

Mid Level

Job Description

Payment & Billing Systems Engineer

WOW Remote Teams

Role Description This is a remote position. Our client is looking for a Payment & Billing Systems Engineer to take full ownership of their payment infrastructure and ensure reliability across their subscription-based platform. They operate within the tech and digital product space and have recently scaled their platform capabilities, supporting a growing global user base through subscription-driven services. This role sits at the core of their revenue engine. Payment accuracy, subscription logic, and billing reliability directly impact both user experience and business performance, making this one of the most critical positions on the team. Responsibilities - 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. Qualifications - 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. 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. 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.

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