Senior Software Engineer - AI Product Development

• Bachelor's degree in computer science, Engineering or Related field.

• Experience Building and delivering production-grade software, with experience in deploying AI-powered product capabilities

• 5+ years of professional software engineering experience working on backend systems using TypeScript, Node.js (Nest.js)

• 5+ years designing and maintaining scalable backend services and RESTful APIs.

• 5+ years working with microservices and distributed architecture.

• Experience with relational databases such as PostgreSQL and search technologies like Elasticsearch.

• Hands-on experience working in cloud environments (AWS preferred).

• Experience working with Java in backend environments

• Experience developing applications with Django

We are looking for a Senior Software Engineer - AI Product development to join our Cortellis CMC team in Barcelona and help build the next generation of AI-powered solutions for the pharmaceutical industry.

In this role, you will design, develop, and operate scalable backend services, data pipelines, and AI-driven capabilities that power regulatory intelligence products used by global life sciences organizations. You will work hands-on with modern AI technologies, distributed systems, cloud-native architectures, and large-scale data platforms.

You will take technical ownership of critical components, drive architectural decisions, and collaborate with engineers, data scientists, and product teams across multiple locations to deliver high-impact solutions.

• Build and execute Generative and agent-based AI capabilities, including model integration, feature development, and iterative enhancements.

• Analyze and improve data and retrieval systems that support AI features, with a focus on performance, reliability, and scalability.

• Design and build integrations of AI capabilities into production services and APIs, ensuring alignment with security and quality standards.

• Design, develop, and maintain Java backend services and APIs in microservices architecture.

• Build scalable, secure, and high-performance solutions using TypeScript and NodeJs (Nest.JS)

• Deploy and operate cloud-native applications on AWS, using Docker and CI/CD pipelines.

• Write clean, well-tested, and well-documented code, following backend best practices.

• Troubleshoot, optimize, and maintain existing systems to ensure reliability and performance.

• Collaborate cross-functionally with frontend, QA, DevOps, and product teams.

This is a permanent full-time position at 40 hours a week (35 hours during July and August). The working schedule is flexible, mostly centered on CET time zone with occasional need to accommodate late or early meetings with US or East Asia time zones.

The position is hybrid going to the office in Barcelona 2-3 times per week.