- We are building seQura’s Smart Agent platform, an intelligent agent system that guides shoppers before, during, and after their purchases. The platform relies on LLMs for human-like interaction, combined with retrieval-augmented generation (RAG) over SeQura’s data, crawling, and structured product/taxonomy information
- This role does not require AI research, data science, or mathematical modeling—all AI/LLM frameworks are already in place. What matters is building solid, production-grade backend systems that allow these agents to reason over shopper needs safely and effectively
- Build robust, scalable backend systems for agent workflows, handling context, state, and interactions
- Integrate AI agent capabilities with core platforms (payments, shopper accounts, risk, merchant services) safely and efficiently
- Use RAG frameworks and structured data to provide intelligent responses, without fine-tuning models
- Collaborate with Product, Frontend, Data, and AI teams to design systems and shape the shopper experience




- Design and build the backend foundations of seQura’s Smart Agent platform to assist shoppers throughout the purchase lifecycle
- Transform ambiguous product ideas and shopper needs into reliable, scalable backend services
- Orchestrate agent workflows across multiple services, managing context, state, and interactions
- Integrate intelligent agent capabilities with core platforms safely and efficiently
- Contribute to architectural decisions with clarity and simplicity in mind
- Collaborate effectively with cross-functional teams, driving alignment and shared ownership
- Monitor, optimize, and improve production systems, ensuring high performance, availability, and reliability
- What success look like:
- The Smart Agent platform operates at scale, handling complex shopper interactions with reliability and speed
- Agents consistently find and act on the right context to guide shoppers effectively
- Backend systems are robust, maintainable, and integrat

📌 Senior Backend Engineer (Barcelona)
🏢 Sequra
📍 Barcelona