Senior Software Engineer

Barcelona, Catalonia

At Moody's, we unite the brightest minds to turn todays risks into tomorrows opportunities. We do this by striving to create an inclusive environment where everyone feels welcome to be who they arewith the freedom to exchange ideas, think innovatively, and listen to each other and customers in meaningful ways. Moodys is transforming how the world sees risk. As a global leader in ratings and integrated risk assessment, were advancing AI to move from insight to actionenabling intelligence that not only understands complexity but responds to it. We decode risk to unlock opportunity, helping our clients navigate uncertainty with clarity, speed, and confidence.

If you are excited about this opportunity but do not meet every single requirement, please apply! You still may be a great fit for this role or other open roles. We are seeking candidates who model our values: invest in every relationship, lead with curiosity, champion diverse perspectives, turn inputs into actions, and uphold trust through integrity. 

Skills and Competencies

• 5+ years of web software development experience with full understanding of end-to-end development lifecycle
• Strong experience in Python or TypeScript with frameworks such as FastAPI or Node.js for scalable application development
• Experience designing and working with relational and NoSQL databases, including PostgreSQL and MongoDB
• Proven experience building microservices and event-driven architectures in cloud-native or serverless environments
• Strong knowledge of software design patterns, SOLID principles, CQRS, and hexagonal architecture to support scalable solutions
• Experience working in agile environments with strong collaboration across engineering teams
• Strong communication and collaboration skills, with ability to contribute in cross-functional and innovative teams
• Preferred
• Experience working with large-scale or high-volume data environments
• Experience working within AWS ecosystem including Lambda, ECS, S3, DynamoDB or similar cloud services
• Demonstrated proficiency in artificial intelligence concepts, with hands-on experience using AI tools to streamline workflows and enhance operational efficiency. Proven ability to implement AI-powered solutions to solve business challenges. Demonstrates a growing awareness of AI risk management and a commitment to responsible and ethical AI use

Education

• Bachelors or Masters degree in Computer Science, Mathematics, Engineering, or a related field

Responsibilities

This role focuses on designing and delivering scalable cloud-native and AI-driven solutions while collaborating across teams to build innovative full-stack applications

• Design and build serverless microservices using Python, TypeScript and modern front-end frameworks to support scalable systems
• Collaborate on the integration of AI and GenAI solutions across full-stack architecture to enhance product capabilities
• Work with cross-functional teams to design, develop, and deploy cloud-native applications aligned with business needs
• Architect and maintain scalable cloud-native solutions for content delivery platforms with high availability requirements
• Lead and contribute to code reviews, technical workshops, and internal documentation to support engineering excellence
• Solve complex technical challenges using modern development practices and innovative technologies
• Contribute to continuous improvement of engineering practices and architecture standards across the team

About the Team

Our Digital Content & Innovations Engineering team is responsible for building and maintaining Moodys next-generation content delivery platforms.
The team supports multiple engineering functions by delivering scalable, highly available, cloud-native solutions and enabling technology transformation across the organization.
By joining our team, you will contribute to innovative technology initiatives, help scale global platforms, and support the adoption of AI-driven capabilities across Moodys digital ecosystem.

Moodys is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, protected veteran status, sexual orientation, gender expression, gender identity or any other characteristic protected by law.

Candidates for Moody's Corporation may be asked to disclose securities holdings pursuant to Moodys Policy for Securities Trading and the requirements of the position. Employment is contingent upon compliance with the Policy, including remediation of positions in those holdings as necessary.