Senior Software Engineer - AI Fintech foundation (Spain)

📋 Description

• • As a Senior Software Engineer on Hopper's Fintech Foundation team, you will design, build, and evolve machine learning systems that power the company's pricing engine, directly impacting revenue, financial risk management, and customer experience for over 100 million monthly active users.
• • Your day-to-day will involve designing automated training pipelines, building ETL pipelines with feature engineering, deploying real-time ML pricing solutions, monitoring production systems for latency and drift, running champion-challenger tests, and collaborating with data science, engineering, and product teams to translate business needs into technical solutions.
• • You will join a high-impact team at the core of Hopper's mission, working with partners like Capital One, Air Canada, and Spirit Airlines to shape how ancillary products are priced in real time and at scale.
• • This role offers the opportunity to deepen expertise in production ML systems, scalable software architecture, and data-driven decision-making while contributing to a fast-growing fintech platform serving hundreds of millions of travelers globally.