AI Software Engineer & Python & Angular

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, * The employee will have access to confidential information related to Capitole and the assigned project.
• Compliance with internal security and information protection policies is mandatory.

• 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

• 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 benefits package
• Flexible working hours and hybrid model
• Wellhub: fitness, wellness, and mental health support
• Football and paddle tennis teams sponsored by Capitole
• Team buildings, global events, and strong tech communities