Senior FullStack - Integration Engineer

The company is hiring a Senior FullStack Integration Engineer to join one of its clients, an international SaaS company that builds product configuration and personalization technology for e-commerce and enterprise customers. The role owns customer integrations end to end, from development through delivery, with roughly 70% hands-on technical work and 30% coordination and communication. The engineer works closely with Project Managers, developers and other specialists, investigating and resolving integration issues across different customer platforms and supporting discovery and pre-sales with technical requirements. The position sits within a hybrid setup in Alicante, with office days on Tuesday and Thursday.