About The Role We're looking for a Senior Python Engineer to join our Integration team, which owns a broad set of critical integrations across the product. The team is responsible for integrations with KYC providers, geolocation services, payment methods, and other external systems that are essential to product operation and user experience.What You'll Do Take full ownership of backend features and improvements, from design through implementation, deployment, and production supportDesign, develop, and maintain scalable, high-performance backend services using Python and DjangoBuild and maintain integrations with external systems, including KYC, geolocation, and payment partners, and other third-party servicesWork closely with product and engineering teams to scope and deliver new integrationsImplement observability across integration flows, including monitoring, logging, and alertingWrite unit and integration tests to ensure system reliability, prevent regressions,



and improve overall test coverage and testing practicesSupport production issues and participate in on-call rotationsWhat We're Looking For At least 5+ years of development experience, with Python as the primary language and strong experience in API and system integrationsProven experience integrating third-party APIs, with deep understanding of webhooks, callbacks, idempotency, and failure handling. Payments and KYC integrations are strong plusExperience with observability tools to monitor and troubleshoot production integrationsStrong fundamentals in algorithms, data structures and concurrencyExperience in architecture design of highly loaded and scalable solutionsStrong understanding of the full software development lifecycle, from requirements analysis to deployment and production monitoringWillingness to participate in on-call rotationsNice To Have Experience in early-stage startups and fast-paced engineering environmentsExperience in writing automated tests, measuring test coverage, and defining tes

📌 Senior Python Engineer, Integration (Madrid)
🏢 Fliff
📍 Madrid