We’re looking for a
Lead Software Engineer - Al Product development
(Full Stack) to join our Cortellis team in Barcelona, where you’ll build high-impact product features powered by Generative AI and modern software engineering practices. In this role, you’ll take ownership of end-to-end delivery, driving the design and implementation of scalable backend and frontend solutions while integrating AI capabilities—such as GenAI, agent-based workflows, and retrieval-augmented systems—into a mission-critical platform.

You’ll collaborate closely with UX, and distributed engineering teams to define architecture, deliver customer-facing features, and ensure AI integrations are reliable, measurable, and production-ready. If you’re excited about building AI-powered products, driving technical decisions, and shaping scalable systems, we’d love to speak with you.

About You – Experience, Education, Skills, And Accomplishments
- Bachelor’s degree in Computer Science, Engineering, or a related field
- At least 7 years of backend development experience (Java 11/17, Spring Boot,



microservices), including design and delivery of scalable, distributed systems and RESTful APIs
- At least 6 years of experience with frontend technologies (Angular, Node.js) and full-stack product development
- At least 3 years of experience integrating AI capabilities into production systems (OpenAI / Azure OpenAI APIs), including prompt engineering (few-shot, structured outputs, guardrails) and development of AI assistants and agent-based workflows (tool calling, memory patterns)
- Hands-on experience designing and optimizing RAG pipelines (chunking, embeddings, retrieval orchestration) and evaluating AI systems (Ragas, prompt testing, regression evaluation)
- Experience building and scaling AI-enabled platforms and services in production environments
- At least 6 years of experience delivering end-to-end product features, including CI/CD, monitoring, and cloud platforms (AWS or equivalent)

It would be g

📌 Lead Software Engineer (Barcelona)
🏢 Clarivate
📍 Barcelona