This position is listed on behalf of a partner company, which manages all applications and next steps. Our partner is looking for a Full-Stack Engineer (Backend Leaning) – Payments Engineering based in Spain.As a Full-Stack Engineer specializing in backend development, you will help build and evolve the payment infrastructure that powers a rapidly growing AI technology platform. You will work on critical systems responsible for billing, usage tracking, pricing, and payment processing across self-service and enterprise customers. Your work will directly impact revenue accuracy, customer experience, and the reliability of financial operations. You will contribute to modernizing existing systems, developing scalable event-processing services, and integrating new payment solutions while ensuring seamless migrations. Working closely with Engineering, Product, Growth, Finance, Tax, and Sales teams, you will solve complex technical challenges in a fast-paced, AI-first environment. This remote opportunity offers significant technical ownership,



opportunities to tackle challenging engineering problems, and the freedom to make a measurable impact on products used by millions of people and businesses worldwide.AccountabilitiesDesign, develop, and maintain reliable payment and billing systems that support customer transactions, pricing models, and revenue operations across self-service and enterprise offerings.Build and improve usage-tracking and metering systems to ensure accurate measurement of customer activity while minimizing performance overhead and latency.Lead and contribute to the migration and modernization of enterprise pricing and usage-processing infrastructure, including the development of stream-processing services for usage events.Improve payment experiences by simplifying customer upgrades and transactions, supporting payments through different legal entities, and integrating additional payment providers.Collaborate with Finance and Tax teams to meet compliance

📌 Full-Stack Engineer (Valencia)
🏢 Jobgether
📍 Valencia