Senior Software Engineer - Cloud Platform

About the role

Moody's is hiring a Senior Software Engineer in London for its Corporates and Government (C&G) team, which builds technology solutions for corporate and public sector clients. The role sits within an agile product environment and focuses on the C&G compliance platform, a cloud-based SaaS offering. Candidates who do not meet every requirement are encouraged to apply.

Key responsibilities

• Design, build and maintain secure, scalable software solutions for the C&G engineering team.
• Design, develop, test, deploy and operate backend services, APIs, integrations and platform capabilities.
• Collaborate with product managers, engineers, architects and business stakeholders to deliver product features.
• Contribute to technical design and help shape architecture decisions for assigned services.
• Maintain high standards for code quality, testing, documentation, performance, reliability and security.
• Use AI-powered development tools responsibly to streamline engineering workflows.
• Support production systems through monitoring, troubleshooting, incident response and continuous improvement.
• Mentor associate and software engineers through code review, pairing, debugging and knowledge sharing.

Required profile

• Bachelor's degree in Computer Science, Software Engineering or a related field preferred, or equivalent professional experience.
• Ability to own services, components or features end to end, from design through delivery and production support.
• Willingness to work across different programming languages, using AI tooling such as Claude Code to become productive quickly.
• Awareness of responsible AI, security and risk management in enterprise software delivery.

Required skills

• Modern web and backend technologies such as React.NET Core, C#, Java or Python; Rust is a plus.
• Scalable APIs, microservices, distributed systems and cloud-native applications.
• Hands-on experience with AWS, Kubernetes, CI/CD, automated testing, observability and secure software development.
• AI-assisted development tools to improve coding, testing, documentation and team productivity.