Software Engineer: Backend

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Software Engineer: Backend based in Spain.

As a Backend Engineer, you’ll build scalable infrastructure that powers AI-driven business communication products used across customer support, sales, and marketing. You’ll design robust APIs and backend services that support high-volume messaging and automation workflows. The role gives you ownership across the full development lifecycle, from researching and defining requirements through implementation, testing, deployment, and monitoring. You’ll work in a globally distributed, asynchronous engineering environment where strong written communication is essential. You’ll have significant responsibility and the opportunity to work closely with experienced entrepreneurs and a fast-moving technical team. This is a hands-on role suited to engineers who enjoy solving complex backend problems and taking ownership of meaningful product initiatives. The position is open globally, with recurring team meetings scheduled for Mondays, Wednesdays, and Fridays at 2:30 PM GMT .