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Full Stack AI Engineer

Groupon, Inc.Madrid; ValenciaNew

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Experience Level

Experience

Qualifications

Key ResponsibilitiesDevelop and enhance our internal AI platform, allowing teams to create autonomous AI agents without needing deep machine learning expertise.Engineer reasoning flows and integration layers that support agent logic.Build robust, long-running AI agent systems that can manage failures at scale and mitigate cascading outages during external LLM provider downtimes.Design node-based tools for intent retrieval, context management, and API routing.Implement agent logic using TypeScript, Node.js, Express, React, Next.js, and SQL.Uphold a high standard for software quality and reliability while innovating rapidly.Integrate AI-native tools (such as Cursor and Claude Code) into your development process without compromising code quality.

About the job

Join Groupon, a leading marketplace where customers explore new experiences and services daily, and where local businesses thrive. We have partnered with over a million merchants worldwide, connecting more than 16 million customers with deals across diverse categories. In a landscape often dominated by e-commerce giants, Groupon stands out as one of the few platforms genuinely committed to propelling local businesses forward based on performance.

We are on an exciting journey to radically transform our business through a relentless focus on results. Despite having thousands of employees across multiple continents, we foster a culture that inspires innovation, rewards risk-taking, and celebrates success. Here, your impact can be immediate due to our scale and the rapid pace of our transformation. We blend the best of both worlds: we have the resources and scale of a large company, yet we empower individuals to have significant autonomy and drive meaningful change.

About the Role

Hybrid from Madrid or Valencia

As a Full Stack AI Engineer, you will engineer the foundation of our proprietary internal platform that democratizes AI across the organization. This role goes beyond standard full-stack duties; you will construct the framework that enables various teams to develop autonomous AI agents. Your responsibilities will include designing reasoning flows, integration layers, and agent logic that empower AI to execute complex business tasks at scale. This is applied AI engineering: focusing on sophisticated system design and relentless execution rather than model fine-tuning. You will collaborate daily with a newly formed team of engineers and work closely with the AIGO team and cross-functional partners across Global Operations, Customer Satisfaction, and Engineering.

About Groupon, Inc.

At Groupon, we are dedicated to creating a marketplace that connects customers with local businesses. Our global network of merchants and customers allows us to provide unique experiences and deals while supporting the success of local enterprises.