AI Software Engineer

About the role We are looking for a Senior AI Software Engineer to join an international Artificial Intelligence & Innovation team working on advanced enterprise software solutions in a highly regulated industrial environment. In this role, you will design, build, and maintain full-stack applications that combine modern software engineering with applied AI capabilities, including LLM integrations, RAG patterns, agentic workflows, secure APIs, and cloud-native services. This is a hands-on software engineering role with a strong focus on building reliable, secure and scalable applications. You will collaborate closely with teams in Spain and the US, contributing to AI-enabled products built on top of an existing internal AI core platform. If you enjoy working across frontend, backend, cloud, and AI-powered applications, and you are motivated by complex enterprise environments where quality, security, and compliance really matter, this could be a great fit. What you'll do - Design, develop, support, and maintain enterprise-grade software applications based on business, engineering, and regulatory requirements - Build AI-enabled applications integrating LLMs, RAG patterns, vectorization, and agentic AI capabilities into real business workflows - Develop scalable backend services and REST APIs using Python to support AI features, product workflows, and enterprise applications - Design and implement agentic AI applications capable of interpreting context, planning actions, calling tools or services, and automating multi-step workflows - Integrate AI capabilities into SaaS-style applications through secure and robust service layers - Work with cloud-native services across Azure, GCP, AWS, or similar environments - Containerize services using Docker and contribute to CI/CD delivery practices - Collaborate with product, UX, data engineering, and international engineering teams to deliver end-to-end solutions - Apply secure coding practices, software quality standards, and troubleshooting best practices - Participate in Agile / Scrum ceremonies and contribute to a collaborative engineering culture - Provide technical leadership as a senior individual contributor, contributing to architecture, code quality, best practices, and mentoring Qualifications - 6+ years of experience in software development - Strong proficiency in Python - Experience building scalable backend services and REST APIs - Experience with frontend development using Angular, React, Svelte, TypeScript, or similar technologies - Previous experience building full-stack or SaaS-style applications - Experience integrating LLMs/Generative AI into cloud-based applications - Knowledge of modern AI patterns such as RAG, vector search, LLM orchestration, or agentic workflows - Experience working with cloud environments such as Azure, GCP, AWS, or similar - Experience with Docker and containerized services - Good understanding of software architecture, clean code, secure development, and engineering best practices - Experience working in Agile / Scrum environments - Strong problem-solving skills, attention to detail, and excellent troubleshooting mindset - Fluent in English and Spanish - Experience building agentic AI systems that integrate with APIs, tools, or external services - Experience with vector databases such as Milvus or similar technologies - Database experience with MongoDB and relational databases such as MS SQL or Oracle - Experience with Kubernetes or container orchestration platforms - Experience with Azure CI/CD automation or similar CI/CD tools - Knowledge of data modeling, domain-driven design, or test-driven development - Experience supporting testing activities or improving automated testing practices Benefits - Hybrid model - up to 50% remote work annually - International collaboration with teams in Spain and the US - People first - diverse and inclusive culture in an international environment - Work on applied AI solutions in a real enterprise software environment - Contribute to full-stack applications combining frontend, backend, cloud, and AI capabilities - Be part of an Artificial Intelligence & Innovation team working across Spain and the US - Join a team where curiosity, ownership, collaboration, and new ideas are highly valued - High team stability and collaborative culture - €1200 per year training budget and continuous learning opportunities - Private health insurance and benefit