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

Join a high-impact engineering team building advanced AI-powered systems that transform how complex industries make critical decisions. In this role, you will work at the intersection of backend engineering, artificial intelligence, and large-scale data processing to create reliable systems that handle billions of unstructured data points. As a Staff Engineer, you will have significant ownership over architecture, technical direction, and end-to-end solutions while solving challenging problems that require creativity and deep technical expertise. You will collaborate with a talented integral team in a fast-moving environment where experimentation, ownership, and measurable customer impact are central. This is an opportunity to shape the future of AI-driven workflows while contributing directly to products used in real-world, high-stakes scenarios.

Accountabilities

Design, build,



and scale backend systems that power AI-driven workflows for processing and analyzing large volumes of complex, unstructured data.

Take ownership of technical direction within the Submission Processing team, making architectural decisions and driving engineering excellence.

Develop and maintain LLM-based systems capable of extracting insights, automating workflows, and supporting critical business decisions.

Build robust, scalable infrastructure using cloud technologies, asynchronous processing patterns, and modern backend engineering practices.

Lead system design discussions, identify technical challenges, and deliver solutions from concept through production with minimal oversight.

Improve reliability, performance, and scalability of backend services while maintaining high engineering standards.

Collaborate closely with cross‑functional teams to understand business needs, translate requirement

📌 Staff Backend Engineer (Madrid)
🏢 Jobgether
📍 Madrid