Senior AI Platform Engineer

Moody's Corporation; Greater London; On-site; GBP 110,000 - 170,000; Full time

Job summary

Moody's Corporation seeks a senior software engineer to design and deliver scalable AI platforms that advance risk assessment through enterprise AI solutions. You will contribute production code, lead technical reviews, and mentor engineers while collaborating across product and data science teams.

The role emphasizes real-time and batch AI workloads, deployment automation, and responsible AI practices within a cloud-native environment. Moody’s fosters curiosity, integrity, and continuous growth.

Qualifications

• Experience designing, coding, testing, and operating scalable backend systems.
• Expert-level coding in Python, TypeScript, Java, Go, or similar languages.
• Experience building enterprise AI applications using LLMs, retrieval-augmented generation, and prompt engineering.
• Ability to balance performance, scalability, reliability, security, and cost in complex AI solutions.

Responsibilities

• Design, code, and lead delivery of scalable AI platforms and intelligent applications that bring emerging AI capabilities into production.
• Hands-on technical leader: design, code, review, debug, and improve production systems.
• Design and build scalable backend services, APIs, data pipelines, and platform capabilities for real-time and batch AI workloads.
• Implement advanced LLM applications using RAG, prompt orchestration, evaluation frameworks, and model optimisation.
• Make key technical decisions with accountability for maintainable, secure, and efficient systems.
• Establish engineering best practices through reviews, automated testing, observability, and operations.
• Champion MLOps: model lifecycle management, monitoring, deployment pipelines, and continuous improvement.
• Collaborate with product managers, data scientists, ML engineers, and stakeholders to translate priorities into robust solutions.
• Build reusable frameworks and tooling to accelerate AI development across teams.

Skills

Backend system design

Cloud-native services

Python

TypeScript

Go

Java

LLM / AI applications

Prompt engineering

Distributed systems

Code review & mentoring

Education

Bachelor’s degree or higher in Computer Science, Software Engineering, AI, or related field

Tools

Docker

Kubernetes

PostgreSQL

MongoDB

Redis

Vector databases

Observability tools

CI/CD pipelines

AWS

GCP / Azure

Job description

Moody's Corporation seeks a senior software engineer to design and deliver scalable AI platforms that advance risk assessment through enterprise AI solutions. You will contribute production code, lead technical reviews, and mentor engineers while collaborating across product and data science teams.

The role emphasizes real-time and batch AI workloads, deployment automation, and responsible AI practices within a cloud-native environment. Moody’s fosters curiosity, integrity, and continuous growth.