Senior Software Engineer, Full-Stack Applications - Ratings Technology (London)

Overview

In this role, you design and build mission-critical, full-stack applications for Ratings Technology, enabling analysts and executives to derive insights. You will shape technical direction, architecture, and AI-driven workflows in a scalable, cloud-native environment. Collaborating with product managers and stakeholders, you’ll push the boundaries of innovation while delivering high-quality user experiences. This is a high-visibility opportunity to influence technology strategy across a global team and contribute to Fitch’s analytical capabilities.

Pay / Benefits

• hybrid work model
• leadership development and mentorship
• retirement planning and financial wellness
• tuition reimbursement
• comprehensive healthcare
• paid volunteer days

Responsibilities

• Design and deliver robust, scalable full-stack applications using Java/Springboot, C#/.NET, Python and React
• Lead architectural decisions, establish technical standards, and explore AI/ML integration to transform workflows
• Mentor engineers, partner with product managers and analysts, and promote experimentation and psychological safety
• Implement CI/CD pipelines, perform architecture reviews, and address performance and scalability challenges
• Shape team processes and drive strategic technical initiatives across multiple teams
• Provide expert troubleshooting and maintain system performance in fast-paced Agile environments

Key requirements

• 10+ years of hands-on enterprise application development
• Proficiency in Java/Springboot, C#/.NET, Python and React
• Strong understanding of software architecture, design patterns, data structures, and algorithms
• Bachelor’s degree in Computer Science, Software Engineering, or related field (or equivalent)
• Excellent collaboration and communication skills
• Experience delivering in cloud-native, microservices architectures
• Familiarity with AI/ML integration and experimentation (desirable)
• curiosity and willingness to challenge status quo
• team collaboration and mentorship
• clear communication of complex concepts
• Docker
• Kubernetes/EKS
• GitHub

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