AI Engineer

• Lead the development of a new AI-powered product from architecture to production.

• Design sophisticated conversational experiences and workflows.

• Ensure integration between LLM capabilities, backend logic, and frontend interfaces., We are looking for a Senior AI Engineer to join our Engineering team as a founding member of a new, high-impact venture. This is a "greenfield" role: you'll be the first hire for a brand-new AI-powered application within our ecosystem, centered around conversational and agentic interfaces. You won't just be adding features; you'll be designing the system, making core architectural decisions, and reporting directly to the Engineering Director. As the team scales, you'll play a central role in hiring, shaping the culture, and setting engineering standards from day one. If you are a builder who thrives in ambiguity and is excited to turn the latest AI advancements into a product used by millions, this role is for you! What You Will Do

• Lead the development of a new AI-powered product, from initial architecture to production-ready code.

• Design and build sophisticated conversational experiences and agentic workflows that solve real shopper needs.

• Own the full-stack lifecycle, ensuring seamless integration between LLM capabilities, backend logic, and frontend interfaces.

• Set the bar for AI engineering standards, including RAG patterns, prompt engineering, and model orchestration.

• Shape the future team by participating in hiring and mentoring as the project expands.

• Collaborate directly with leadership to influence product strategy and technical roadmap.

• Implement "AI-first" development workflows, leveraging tools like Claude Code to accelerate delivery.

• Proven experience building AI-powered products, especially conversational UIs.

• Strong Full-Stack skills and experience in greenfield environments.

• Deep AI/ML tooling knowledge, comfortable with LLMs and orchestration frameworks., AI-powered product development Full-Stack engineering Expertise in LLMs Product mindset Comfort with ambiguity Growth mindset Fluent in English, * Proven experience building AI-powered products (conversational UIs, agentic systems, or LLM applications).

• Strong Full-Stack skills: you are comfortable owning the entire stack to get a product off the ground.

• Deep AI/ML tooling knowledge: expert-level familiarity with LLMs, RAG, agents, and orchestration frameworks (e.g., LangChain, CrewAI, etc.).

• A Product Mindset: you care about user impact and business value, not just the elegance of the code.

• Comfort with Ambiguity: you excel in greenfield environments where the path isn't always paved.

• Growth Mindset: you seek feedback, learn loudly, and are eager to continuously improve.

• Fluent in English: you'll be working in a global, distributed environment.

Nice to Have

• Experience with the AWS stack and serverless architectures.
• DevOps skills: familiarity with deploying and monitoring AI applications at scale.
• Prior experience in e-commerce or high-traffic consumer-facing products.
• Experience in early-stage startups or vanguard teams within larger orgs.

Shopfully is seeking a Senior AI Engineer to lead the development of an innovative AI-powered application. This foundational role requires expertise in full-stack development and AI product design. The ideal candidate will have a proven track record in building AI solutions and thrive in a greenfield environment. With a flexible hybrid work model based in Spain, this position offers competitive compensation ranging from €80,000 to €100,000 per year, and the chance to shape the future of a rapidly growing company.

We are the platform turning browsing into shopping. We connect 200 million shoppers with deals they love while boosting local sales for hundreds of top retailers and brands. We help consumers save time and money while making smart shopping decisions, and we support retailers and brands in engaging customers from online research to in-store purchases. In 2024, Shopfully joined forces with the North American company Flipp, creating a global leader in the sector. Together, we reach 400 million households and serve over 1,000 top retailers and brands across 27 markets, including Europe, Canada, the USA, Latin America, and Australia. Ready to spark your growth with us?, SALARY RANGE : €80,000 - €100,000 fixed gross salary per year. LOCATION : While we have offices all around the world, you can benefit from our flexible hybrid model, empowering you to work where you're most effective in Europe. Full remote available. What You Will Find At Shopfully An opportunity to thrive in a rapidly scaling multinational company; a vibrant, informal, and inclusive work environment; autonomy, flexibility, and a hybrid work model; access to learning opportunities and regular feedback sessions; central, modern offices with fresh snacks, coffee (including vegan options), and ergonomic setups; meaningful team events; and equipment provided to work effectively from anywhere. Additional country-specific advantages apply based on local contracts and practices. Who We Are We're a team of 450 people (and counting), from 30 different nationalities. We're on a mission to innovate, and we believe the key to that is seeing the world through a variety of perspectives. That's why building a more diverse team, as well as bringing in even more talent, is so important for us. Data and Privacy